1093 lines
66 KiB
LLVM
1093 lines
66 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -loop-vectorize -scalable-vectorization=on -mtriple riscv64-linux-gnu -mattr=+v,+f -S 2>%t | FileCheck %s
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; RUN: opt < %s -loop-vectorize -scalable-vectorization=off -riscv-v-vector-bits-min=-1 -mtriple riscv64-linux-gnu -mattr=+v,+f -S 2>%t | FileCheck --check-prefix=FIXED %s
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; Tests specific to div/rem handling - both predicated and not
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target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"
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target triple = "riscv64"
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define void @vector_udiv(ptr noalias nocapture %a, i64 %v, i64 %n) {
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; CHECK-LABEL: @vector_udiv(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[V:%.*]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = udiv <vscale x 1 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
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; CHECK-NEXT: store <vscale x 1 x i64> [[TMP5]], ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]]
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; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
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; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]]
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; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
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; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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; FIXED-LABEL: @vector_udiv(
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; FIXED-NEXT: entry:
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; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; FIXED: vector.ph:
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; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[V:%.*]], i32 0
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; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
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; FIXED-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i64> poison, i64 [[V]], i32 0
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; FIXED-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT2]], <2 x i64> poison, <2 x i32> zeroinitializer
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; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
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; FIXED: vector.body:
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; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
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; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
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; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
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; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
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; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
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; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
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; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
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; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
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; FIXED-NEXT: [[TMP6:%.*]] = udiv <2 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
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; FIXED-NEXT: [[TMP7:%.*]] = udiv <2 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT3]]
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; FIXED-NEXT: store <2 x i64> [[TMP6]], ptr [[TMP4]], align 8
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; FIXED-NEXT: store <2 x i64> [[TMP7]], ptr [[TMP5]], align 8
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; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; FIXED-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
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; FIXED-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
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; FIXED: middle.block:
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; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
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; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
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; FIXED: scalar.ph:
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; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; FIXED-NEXT: br label [[FOR_BODY:%.*]]
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; FIXED: for.body:
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; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
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; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
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; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
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; FIXED-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]]
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; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
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; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
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; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
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; FIXED: for.end:
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; FIXED-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
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%elem = load i64, ptr %arrayidx
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%divrem = udiv i64 %elem, %v
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store i64 %divrem, ptr %arrayidx
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%iv.next = add nuw nsw i64 %iv, 1
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%exitcond.not = icmp eq i64 %iv.next, 1024
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br i1 %exitcond.not, label %for.end, label %for.body
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for.end:
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ret void
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}
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define void @vector_sdiv(ptr noalias nocapture %a, i64 %v, i64 %n) {
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; CHECK-LABEL: @vector_sdiv(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[V:%.*]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = sdiv <vscale x 1 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
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; CHECK-NEXT: store <vscale x 1 x i64> [[TMP5]], ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]]
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; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
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; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]]
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; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
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; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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;
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; FIXED-LABEL: @vector_sdiv(
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; FIXED-NEXT: entry:
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; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; FIXED: vector.ph:
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; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[V:%.*]], i32 0
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; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
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; FIXED-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i64> poison, i64 [[V]], i32 0
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; FIXED-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT2]], <2 x i64> poison, <2 x i32> zeroinitializer
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; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
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; FIXED: vector.body:
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; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
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; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
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; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
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; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
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; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
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; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
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; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
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; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
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; FIXED-NEXT: [[TMP6:%.*]] = sdiv <2 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
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; FIXED-NEXT: [[TMP7:%.*]] = sdiv <2 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT3]]
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; FIXED-NEXT: store <2 x i64> [[TMP6]], ptr [[TMP4]], align 8
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; FIXED-NEXT: store <2 x i64> [[TMP7]], ptr [[TMP5]], align 8
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; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
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; FIXED-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
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; FIXED-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
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; FIXED: middle.block:
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; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
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; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
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; FIXED: scalar.ph:
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; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; FIXED-NEXT: br label [[FOR_BODY:%.*]]
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; FIXED: for.body:
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; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
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; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
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; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
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; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]]
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; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
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; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
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; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
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; FIXED: for.end:
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; FIXED-NEXT: ret void
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;
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entry:
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br label %for.body
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for.body:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
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%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
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%elem = load i64, ptr %arrayidx
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%divrem = sdiv i64 %elem, %v
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store i64 %divrem, ptr %arrayidx
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%iv.next = add nuw nsw i64 %iv, 1
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%exitcond.not = icmp eq i64 %iv.next, 1024
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br i1 %exitcond.not, label %for.end, label %for.body
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for.end:
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ret void
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}
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define void @vector_urem(ptr noalias nocapture %a, i64 %v, i64 %n) {
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; CHECK-LABEL: @vector_urem(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
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; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
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; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[V:%.*]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
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; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP5:%.*]] = urem <vscale x 1 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
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; CHECK-NEXT: store <vscale x 1 x i64> [[TMP5]], ptr [[TMP4]], align 8
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; CHECK-NEXT: [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
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; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]]
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; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
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; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
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; CHECK: middle.block:
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; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
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; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
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; CHECK: scalar.ph:
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; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
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; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[DIVREM:%.*]] = urem i64 [[ELEM]], [[V]]
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; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
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; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
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; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @vector_urem(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i64> poison, i64 [[V]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT2]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[TMP6:%.*]] = urem <2 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
|
|
; FIXED-NEXT: [[TMP7:%.*]] = urem <2 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT3]]
|
|
; FIXED-NEXT: store <2 x i64> [[TMP6]], ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: store <2 x i64> [[TMP7]], ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
|
|
; FIXED-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = urem i64 [[ELEM]], [[V]]
|
|
; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
|
|
%elem = load i64, ptr %arrayidx
|
|
%divrem = urem i64 %elem, %v
|
|
store i64 %divrem, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
define void @vector_srem(ptr noalias nocapture %a, i64 %v, i64 %n) {
|
|
; CHECK-LABEL: @vector_srem(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; CHECK: vector.ph:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
|
|
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer
|
|
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
|
|
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
|
|
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP5:%.*]] = srem <vscale x 1 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
|
|
; CHECK-NEXT: store <vscale x 1 x i64> [[TMP5]], ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]]
|
|
; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
|
|
; CHECK: middle.block:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; CHECK: scalar.ph:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[DIVREM:%.*]] = srem i64 [[ELEM]], [[V]]
|
|
; CHECK-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @vector_srem(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i64> poison, i64 [[V]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT2]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[TMP6:%.*]] = srem <2 x i64> [[WIDE_LOAD]], [[BROADCAST_SPLAT]]
|
|
; FIXED-NEXT: [[TMP7:%.*]] = srem <2 x i64> [[WIDE_LOAD1]], [[BROADCAST_SPLAT3]]
|
|
; FIXED-NEXT: store <2 x i64> [[TMP6]], ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: store <2 x i64> [[TMP7]], ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
|
|
; FIXED-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = srem i64 [[ELEM]], [[V]]
|
|
; FIXED-NEXT: store i64 [[DIVREM]], ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
|
|
%elem = load i64, ptr %arrayidx
|
|
%divrem = srem i64 %elem, %v
|
|
store i64 %divrem, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
define void @predicated_udiv(ptr noalias nocapture %a, i64 %v, i64 %n) {
|
|
; CHECK-LABEL: @predicated_udiv(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; CHECK: vector.ph:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
|
|
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer
|
|
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
|
|
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
|
|
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP5:%.*]] = icmp ne <vscale x 1 x i64> [[BROADCAST_SPLAT]], zeroinitializer
|
|
; CHECK-NEXT: [[TMP6:%.*]] = select <vscale x 1 x i1> [[TMP5]], <vscale x 1 x i64> [[BROADCAST_SPLAT]], <vscale x 1 x i64> shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 1, i32 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP7:%.*]] = udiv <vscale x 1 x i64> [[WIDE_LOAD]], [[TMP6]]
|
|
; CHECK-NEXT: [[TMP8:%.*]] = xor <vscale x 1 x i1> [[TMP5]], shufflevector (<vscale x 1 x i1> insertelement (<vscale x 1 x i1> poison, i1 true, i32 0), <vscale x 1 x i1> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 1 x i1> [[TMP5]], <vscale x 1 x i64> [[TMP7]], <vscale x 1 x i64> [[WIDE_LOAD]]
|
|
; CHECK-NEXT: store <vscale x 1 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP9]]
|
|
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
|
|
; CHECK: middle.block:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; CHECK: scalar.ph:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0
|
|
; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; CHECK: do_op:
|
|
; CHECK-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]]
|
|
; CHECK-NEXT: br label [[LATCH]]
|
|
; CHECK: latch:
|
|
; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @predicated_udiv(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i64> poison, i64 [[V]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT2]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[TMP6:%.*]] = icmp ne <2 x i64> [[BROADCAST_SPLAT]], zeroinitializer
|
|
; FIXED-NEXT: [[TMP7:%.*]] = icmp ne <2 x i64> [[BROADCAST_SPLAT3]], zeroinitializer
|
|
; FIXED-NEXT: [[TMP8:%.*]] = select <2 x i1> [[TMP6]], <2 x i64> [[BROADCAST_SPLAT]], <2 x i64> <i64 1, i64 1>
|
|
; FIXED-NEXT: [[TMP9:%.*]] = select <2 x i1> [[TMP7]], <2 x i64> [[BROADCAST_SPLAT3]], <2 x i64> <i64 1, i64 1>
|
|
; FIXED-NEXT: [[TMP10:%.*]] = udiv <2 x i64> [[WIDE_LOAD]], [[TMP8]]
|
|
; FIXED-NEXT: [[TMP11:%.*]] = udiv <2 x i64> [[WIDE_LOAD1]], [[TMP9]]
|
|
; FIXED-NEXT: [[TMP12:%.*]] = xor <2 x i1> [[TMP6]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[TMP13:%.*]] = xor <2 x i1> [[TMP7]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP6]], <2 x i64> [[TMP10]], <2 x i64> [[WIDE_LOAD]]
|
|
; FIXED-NEXT: [[PREDPHI4:%.*]] = select <2 x i1> [[TMP7]], <2 x i64> [[TMP11]], <2 x i64> [[WIDE_LOAD1]]
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI4]], ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
|
|
; FIXED-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0
|
|
; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; FIXED: do_op:
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], [[V]]
|
|
; FIXED-NEXT: br label [[LATCH]]
|
|
; FIXED: latch:
|
|
; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
|
|
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
|
|
%elem = load i64, ptr %arrayidx
|
|
%c = icmp ne i64 %v, 0
|
|
br i1 %c, label %do_op, label %latch
|
|
do_op:
|
|
%divrem = udiv i64 %elem, %v
|
|
br label %latch
|
|
latch:
|
|
%phi = phi i64 [%elem, %for.body], [%divrem, %do_op]
|
|
store i64 %phi, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
define void @predicated_sdiv(ptr noalias nocapture %a, i64 %v, i64 %n) {
|
|
; CHECK-LABEL: @predicated_sdiv(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; CHECK: vector.ph:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
|
|
; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 1 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 1 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer
|
|
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
|
|
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
|
|
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP5:%.*]] = icmp ne <vscale x 1 x i64> [[BROADCAST_SPLAT]], zeroinitializer
|
|
; CHECK-NEXT: [[TMP6:%.*]] = select <vscale x 1 x i1> [[TMP5]], <vscale x 1 x i64> [[BROADCAST_SPLAT]], <vscale x 1 x i64> shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 1, i32 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP7:%.*]] = sdiv <vscale x 1 x i64> [[WIDE_LOAD]], [[TMP6]]
|
|
; CHECK-NEXT: [[TMP8:%.*]] = xor <vscale x 1 x i1> [[TMP5]], shufflevector (<vscale x 1 x i1> insertelement (<vscale x 1 x i1> poison, i1 true, i32 0), <vscale x 1 x i1> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 1 x i1> [[TMP5]], <vscale x 1 x i64> [[TMP7]], <vscale x 1 x i64> [[WIDE_LOAD]]
|
|
; CHECK-NEXT: store <vscale x 1 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP9]]
|
|
; CHECK-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
|
|
; CHECK: middle.block:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; CHECK: scalar.ph:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0
|
|
; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; CHECK: do_op:
|
|
; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]]
|
|
; CHECK-NEXT: br label [[LATCH]]
|
|
; CHECK: latch:
|
|
; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @predicated_sdiv(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i64> poison, i64 [[V:%.*]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i64> poison, i64 [[V]], i32 0
|
|
; FIXED-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i64> [[BROADCAST_SPLATINSERT2]], <2 x i64> poison, <2 x i32> zeroinitializer
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[TMP6:%.*]] = icmp ne <2 x i64> [[BROADCAST_SPLAT]], zeroinitializer
|
|
; FIXED-NEXT: [[TMP7:%.*]] = icmp ne <2 x i64> [[BROADCAST_SPLAT3]], zeroinitializer
|
|
; FIXED-NEXT: [[TMP8:%.*]] = select <2 x i1> [[TMP6]], <2 x i64> [[BROADCAST_SPLAT]], <2 x i64> <i64 1, i64 1>
|
|
; FIXED-NEXT: [[TMP9:%.*]] = select <2 x i1> [[TMP7]], <2 x i64> [[BROADCAST_SPLAT3]], <2 x i64> <i64 1, i64 1>
|
|
; FIXED-NEXT: [[TMP10:%.*]] = sdiv <2 x i64> [[WIDE_LOAD]], [[TMP8]]
|
|
; FIXED-NEXT: [[TMP11:%.*]] = sdiv <2 x i64> [[WIDE_LOAD1]], [[TMP9]]
|
|
; FIXED-NEXT: [[TMP12:%.*]] = xor <2 x i1> [[TMP6]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[TMP13:%.*]] = xor <2 x i1> [[TMP7]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP6]], <2 x i64> [[TMP10]], <2 x i64> [[WIDE_LOAD]]
|
|
; FIXED-NEXT: [[PREDPHI4:%.*]] = select <2 x i1> [[TMP7]], <2 x i64> [[TMP11]], <2 x i64> [[WIDE_LOAD1]]
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI4]], ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
|
|
; FIXED-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[V]], 0
|
|
; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; FIXED: do_op:
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], [[V]]
|
|
; FIXED-NEXT: br label [[LATCH]]
|
|
; FIXED: latch:
|
|
; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
|
|
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
|
|
%elem = load i64, ptr %arrayidx
|
|
%c = icmp ne i64 %v, 0
|
|
br i1 %c, label %do_op, label %latch
|
|
do_op:
|
|
%divrem = sdiv i64 %elem, %v
|
|
br label %latch
|
|
latch:
|
|
%phi = phi i64 [%elem, %for.body], [%divrem, %do_op]
|
|
store i64 %phi, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
define void @predicated_udiv_by_constant(ptr noalias nocapture %a, i64 %n) {
|
|
; CHECK-LABEL: @predicated_udiv_by_constant(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; CHECK: vector.ph:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
|
|
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
|
|
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
|
|
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP5:%.*]] = icmp ne <vscale x 1 x i64> [[WIDE_LOAD]], shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 42, i32 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP6:%.*]] = udiv <vscale x 1 x i64> [[WIDE_LOAD]], shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 27, i32 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP7:%.*]] = xor <vscale x 1 x i1> [[TMP5]], shufflevector (<vscale x 1 x i1> insertelement (<vscale x 1 x i1> poison, i1 true, i32 0), <vscale x 1 x i1> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 1 x i1> [[TMP5]], <vscale x 1 x i64> [[TMP6]], <vscale x 1 x i64> [[WIDE_LOAD]]
|
|
; CHECK-NEXT: store <vscale x 1 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
|
|
; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
|
|
; CHECK: middle.block:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; CHECK: scalar.ph:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42
|
|
; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; CHECK: do_op:
|
|
; CHECK-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], 27
|
|
; CHECK-NEXT: br label [[LATCH]]
|
|
; CHECK: latch:
|
|
; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @predicated_udiv_by_constant(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[TMP6:%.*]] = icmp ne <2 x i64> [[WIDE_LOAD]], <i64 42, i64 42>
|
|
; FIXED-NEXT: [[TMP7:%.*]] = icmp ne <2 x i64> [[WIDE_LOAD1]], <i64 42, i64 42>
|
|
; FIXED-NEXT: [[TMP8:%.*]] = udiv <2 x i64> [[WIDE_LOAD]], <i64 27, i64 27>
|
|
; FIXED-NEXT: [[TMP9:%.*]] = udiv <2 x i64> [[WIDE_LOAD1]], <i64 27, i64 27>
|
|
; FIXED-NEXT: [[TMP10:%.*]] = xor <2 x i1> [[TMP6]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[TMP11:%.*]] = xor <2 x i1> [[TMP7]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP6]], <2 x i64> [[TMP8]], <2 x i64> [[WIDE_LOAD]]
|
|
; FIXED-NEXT: [[PREDPHI2:%.*]] = select <2 x i1> [[TMP7]], <2 x i64> [[TMP9]], <2 x i64> [[WIDE_LOAD1]]
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI2]], ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
|
|
; FIXED-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42
|
|
; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; FIXED: do_op:
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = udiv i64 [[ELEM]], 27
|
|
; FIXED-NEXT: br label [[LATCH]]
|
|
; FIXED: latch:
|
|
; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
|
|
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
|
|
%elem = load i64, ptr %arrayidx
|
|
%c = icmp ne i64 %elem, 42
|
|
br i1 %c, label %do_op, label %latch
|
|
do_op:
|
|
%divrem = udiv i64 %elem, 27
|
|
br label %latch
|
|
latch:
|
|
%phi = phi i64 [%elem, %for.body], [%divrem, %do_op]
|
|
store i64 %phi, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
define void @predicated_sdiv_by_constant(ptr noalias nocapture %a, i64 %n) {
|
|
; CHECK-LABEL: @predicated_sdiv_by_constant(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP0]]
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; CHECK: vector.ph:
|
|
; CHECK-NEXT: [[TMP1:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
|
|
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
|
|
; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP2]]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP3]], i32 0
|
|
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 1 x i64>, ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP5:%.*]] = icmp ne <vscale x 1 x i64> [[WIDE_LOAD]], shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 42, i32 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP6:%.*]] = sdiv <vscale x 1 x i64> [[WIDE_LOAD]], shufflevector (<vscale x 1 x i64> insertelement (<vscale x 1 x i64> poison, i64 27, i32 0), <vscale x 1 x i64> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP7:%.*]] = xor <vscale x 1 x i1> [[TMP5]], shufflevector (<vscale x 1 x i1> insertelement (<vscale x 1 x i1> poison, i1 true, i32 0), <vscale x 1 x i1> poison, <vscale x 1 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 1 x i1> [[TMP5]], <vscale x 1 x i64> [[TMP6]], <vscale x 1 x i64> [[WIDE_LOAD]]
|
|
; CHECK-NEXT: store <vscale x 1 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; CHECK-NEXT: [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
|
|
; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
|
|
; CHECK: middle.block:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; CHECK: scalar.ph:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; CHECK-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42
|
|
; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; CHECK: do_op:
|
|
; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], 27
|
|
; CHECK-NEXT: br label [[LATCH]]
|
|
; CHECK: latch:
|
|
; CHECK-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; CHECK-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @predicated_sdiv_by_constant(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, ptr [[TMP2]], i32 2
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x i64>, ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[TMP6:%.*]] = icmp ne <2 x i64> [[WIDE_LOAD]], <i64 42, i64 42>
|
|
; FIXED-NEXT: [[TMP7:%.*]] = icmp ne <2 x i64> [[WIDE_LOAD1]], <i64 42, i64 42>
|
|
; FIXED-NEXT: [[TMP8:%.*]] = sdiv <2 x i64> [[WIDE_LOAD]], <i64 27, i64 27>
|
|
; FIXED-NEXT: [[TMP9:%.*]] = sdiv <2 x i64> [[WIDE_LOAD1]], <i64 27, i64 27>
|
|
; FIXED-NEXT: [[TMP10:%.*]] = xor <2 x i1> [[TMP6]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[TMP11:%.*]] = xor <2 x i1> [[TMP7]], <i1 true, i1 true>
|
|
; FIXED-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP6]], <2 x i64> [[TMP8]], <2 x i64> [[WIDE_LOAD]]
|
|
; FIXED-NEXT: [[PREDPHI2:%.*]] = select <2 x i1> [[TMP7]], <2 x i64> [[TMP9]], <2 x i64> [[WIDE_LOAD1]]
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI]], ptr [[TMP4]], align 8
|
|
; FIXED-NEXT: store <2 x i64> [[PREDPHI2]], ptr [[TMP5]], align 8
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
|
|
; FIXED-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[C:%.*]] = icmp ne i64 [[ELEM]], 42
|
|
; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; FIXED: do_op:
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i64 [[ELEM]], 27
|
|
; FIXED-NEXT: br label [[LATCH]]
|
|
; FIXED: latch:
|
|
; FIXED-NEXT: [[PHI:%.*]] = phi i64 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; FIXED-NEXT: store i64 [[PHI]], ptr [[ARRAYIDX]], align 8
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP17:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
|
|
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
|
|
%elem = load i64, ptr %arrayidx
|
|
%c = icmp ne i64 %elem, 42
|
|
br i1 %c, label %do_op, label %latch
|
|
do_op:
|
|
%divrem = sdiv i64 %elem, 27
|
|
br label %latch
|
|
latch:
|
|
%phi = phi i64 [%elem, %for.body], [%divrem, %do_op]
|
|
store i64 %phi, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
define void @predicated_sdiv_by_minus_one(ptr noalias nocapture %a, i64 %n) {
|
|
; CHECK-LABEL: @predicated_sdiv_by_minus_one(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 16
|
|
; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP1]]
|
|
; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; CHECK: vector.ph:
|
|
; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 16
|
|
; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP3]]
|
|
; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
|
|
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; CHECK: vector.body:
|
|
; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 0
|
|
; CHECK-NEXT: [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[TMP6:%.*]] = mul i64 [[TMP5]], 8
|
|
; CHECK-NEXT: [[TMP7:%.*]] = add i64 [[TMP6]], 0
|
|
; CHECK-NEXT: [[TMP8:%.*]] = mul i64 [[TMP7]], 1
|
|
; CHECK-NEXT: [[TMP9:%.*]] = add i64 [[INDEX]], [[TMP8]]
|
|
; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[TMP4]]
|
|
; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[TMP9]]
|
|
; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i8, ptr [[TMP10]], i32 0
|
|
; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <vscale x 8 x i8>, ptr [[TMP12]], align 1
|
|
; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.vscale.i32()
|
|
; CHECK-NEXT: [[TMP14:%.*]] = mul i32 [[TMP13]], 8
|
|
; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i8, ptr [[TMP10]], i32 [[TMP14]]
|
|
; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <vscale x 8 x i8>, ptr [[TMP15]], align 1
|
|
; CHECK-NEXT: [[TMP16:%.*]] = icmp ne <vscale x 8 x i8> [[WIDE_LOAD]], shufflevector (<vscale x 8 x i8> insertelement (<vscale x 8 x i8> poison, i8 -128, i32 0), <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP17:%.*]] = icmp ne <vscale x 8 x i8> [[WIDE_LOAD1]], shufflevector (<vscale x 8 x i8> insertelement (<vscale x 8 x i8> poison, i8 -128, i32 0), <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP18:%.*]] = select <vscale x 8 x i1> [[TMP16]], <vscale x 8 x i8> shufflevector (<vscale x 8 x i8> insertelement (<vscale x 8 x i8> poison, i8 -1, i32 0), <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer), <vscale x 8 x i8> shufflevector (<vscale x 8 x i8> insertelement (<vscale x 8 x i8> poison, i8 1, i32 0), <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP19:%.*]] = select <vscale x 8 x i1> [[TMP17]], <vscale x 8 x i8> shufflevector (<vscale x 8 x i8> insertelement (<vscale x 8 x i8> poison, i8 -1, i32 0), <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer), <vscale x 8 x i8> shufflevector (<vscale x 8 x i8> insertelement (<vscale x 8 x i8> poison, i8 1, i32 0), <vscale x 8 x i8> poison, <vscale x 8 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP20:%.*]] = sdiv <vscale x 8 x i8> [[WIDE_LOAD]], [[TMP18]]
|
|
; CHECK-NEXT: [[TMP21:%.*]] = sdiv <vscale x 8 x i8> [[WIDE_LOAD1]], [[TMP19]]
|
|
; CHECK-NEXT: [[TMP22:%.*]] = xor <vscale x 8 x i1> [[TMP16]], shufflevector (<vscale x 8 x i1> insertelement (<vscale x 8 x i1> poison, i1 true, i32 0), <vscale x 8 x i1> poison, <vscale x 8 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[TMP23:%.*]] = xor <vscale x 8 x i1> [[TMP17]], shufflevector (<vscale x 8 x i1> insertelement (<vscale x 8 x i1> poison, i1 true, i32 0), <vscale x 8 x i1> poison, <vscale x 8 x i32> zeroinitializer)
|
|
; CHECK-NEXT: [[PREDPHI:%.*]] = select <vscale x 8 x i1> [[TMP16]], <vscale x 8 x i8> [[TMP20]], <vscale x 8 x i8> [[WIDE_LOAD]]
|
|
; CHECK-NEXT: [[PREDPHI2:%.*]] = select <vscale x 8 x i1> [[TMP17]], <vscale x 8 x i8> [[TMP21]], <vscale x 8 x i8> [[WIDE_LOAD1]]
|
|
; CHECK-NEXT: store <vscale x 8 x i8> [[PREDPHI]], ptr [[TMP12]], align 1
|
|
; CHECK-NEXT: [[TMP24:%.*]] = call i32 @llvm.vscale.i32()
|
|
; CHECK-NEXT: [[TMP25:%.*]] = mul i32 [[TMP24]], 8
|
|
; CHECK-NEXT: [[TMP26:%.*]] = getelementptr inbounds i8, ptr [[TMP10]], i32 [[TMP25]]
|
|
; CHECK-NEXT: store <vscale x 8 x i8> [[PREDPHI2]], ptr [[TMP26]], align 1
|
|
; CHECK-NEXT: [[TMP27:%.*]] = call i64 @llvm.vscale.i64()
|
|
; CHECK-NEXT: [[TMP28:%.*]] = mul i64 [[TMP27]], 16
|
|
; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP28]]
|
|
; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[TMP29]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
|
|
; CHECK: middle.block:
|
|
; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
|
|
; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; CHECK: scalar.ph:
|
|
; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
|
|
; CHECK: for.body:
|
|
; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]
|
|
; CHECK-NEXT: [[ELEM:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
|
|
; CHECK-NEXT: [[C:%.*]] = icmp ne i8 [[ELEM]], -128
|
|
; CHECK-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; CHECK: do_op:
|
|
; CHECK-NEXT: [[DIVREM:%.*]] = sdiv i8 [[ELEM]], -1
|
|
; CHECK-NEXT: br label [[LATCH]]
|
|
; CHECK: latch:
|
|
; CHECK-NEXT: [[PHI:%.*]] = phi i8 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; CHECK-NEXT: store i8 [[PHI]], ptr [[ARRAYIDX]], align 1
|
|
; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
|
|
; CHECK: for.end:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
; FIXED-LABEL: @predicated_sdiv_by_minus_one(
|
|
; FIXED-NEXT: entry:
|
|
; FIXED-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
|
|
; FIXED: vector.ph:
|
|
; FIXED-NEXT: br label [[VECTOR_BODY:%.*]]
|
|
; FIXED: vector.body:
|
|
; FIXED-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
|
|
; FIXED-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
|
|
; FIXED-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 16
|
|
; FIXED-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, ptr [[A:%.*]], i64 [[TMP0]]
|
|
; FIXED-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[TMP1]]
|
|
; FIXED-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, ptr [[TMP2]], i32 0
|
|
; FIXED-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP4]], align 1
|
|
; FIXED-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, ptr [[TMP2]], i32 16
|
|
; FIXED-NEXT: [[WIDE_LOAD1:%.*]] = load <16 x i8>, ptr [[TMP5]], align 1
|
|
; FIXED-NEXT: [[TMP6:%.*]] = icmp ne <16 x i8> [[WIDE_LOAD]], <i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128>
|
|
; FIXED-NEXT: [[TMP7:%.*]] = icmp ne <16 x i8> [[WIDE_LOAD1]], <i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128, i8 -128>
|
|
; FIXED-NEXT: [[TMP8:%.*]] = select <16 x i1> [[TMP6]], <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8> <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>
|
|
; FIXED-NEXT: [[TMP9:%.*]] = select <16 x i1> [[TMP7]], <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <16 x i8> <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>
|
|
; FIXED-NEXT: [[TMP10:%.*]] = sdiv <16 x i8> [[WIDE_LOAD]], [[TMP8]]
|
|
; FIXED-NEXT: [[TMP11:%.*]] = sdiv <16 x i8> [[WIDE_LOAD1]], [[TMP9]]
|
|
; FIXED-NEXT: [[TMP12:%.*]] = xor <16 x i1> [[TMP6]], <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>
|
|
; FIXED-NEXT: [[TMP13:%.*]] = xor <16 x i1> [[TMP7]], <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>
|
|
; FIXED-NEXT: [[PREDPHI:%.*]] = select <16 x i1> [[TMP6]], <16 x i8> [[TMP10]], <16 x i8> [[WIDE_LOAD]]
|
|
; FIXED-NEXT: [[PREDPHI2:%.*]] = select <16 x i1> [[TMP7]], <16 x i8> [[TMP11]], <16 x i8> [[WIDE_LOAD1]]
|
|
; FIXED-NEXT: store <16 x i8> [[PREDPHI]], ptr [[TMP4]], align 1
|
|
; FIXED-NEXT: store <16 x i8> [[PREDPHI2]], ptr [[TMP5]], align 1
|
|
; FIXED-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32
|
|
; FIXED-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
|
|
; FIXED: middle.block:
|
|
; FIXED-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, 1024
|
|
; FIXED-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
|
|
; FIXED: scalar.ph:
|
|
; FIXED-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1024, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
|
|
; FIXED-NEXT: br label [[FOR_BODY:%.*]]
|
|
; FIXED: for.body:
|
|
; FIXED-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LATCH:%.*]] ]
|
|
; FIXED-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[A]], i64 [[IV]]
|
|
; FIXED-NEXT: [[ELEM:%.*]] = load i8, ptr [[ARRAYIDX]], align 1
|
|
; FIXED-NEXT: [[C:%.*]] = icmp ne i8 [[ELEM]], -128
|
|
; FIXED-NEXT: br i1 [[C]], label [[DO_OP:%.*]], label [[LATCH]]
|
|
; FIXED: do_op:
|
|
; FIXED-NEXT: [[DIVREM:%.*]] = sdiv i8 [[ELEM]], -1
|
|
; FIXED-NEXT: br label [[LATCH]]
|
|
; FIXED: latch:
|
|
; FIXED-NEXT: [[PHI:%.*]] = phi i8 [ [[ELEM]], [[FOR_BODY]] ], [ [[DIVREM]], [[DO_OP]] ]
|
|
; FIXED-NEXT: store i8 [[PHI]], ptr [[ARRAYIDX]], align 1
|
|
; FIXED-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
|
|
; FIXED-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[IV_NEXT]], 1024
|
|
; FIXED-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
|
|
; FIXED: for.end:
|
|
; FIXED-NEXT: ret void
|
|
;
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body:
|
|
%iv = phi i64 [ 0, %entry ], [ %iv.next, %latch ]
|
|
%arrayidx = getelementptr inbounds i8, ptr %a, i64 %iv
|
|
%elem = load i8, ptr %arrayidx
|
|
%c = icmp ne i8 %elem, 128
|
|
br i1 %c, label %do_op, label %latch
|
|
do_op:
|
|
%divrem = sdiv i8 %elem, -1 ;; UB if %elem = INT_MIN
|
|
br label %latch
|
|
latch:
|
|
%phi = phi i8 [%elem, %for.body], [%divrem, %do_op]
|
|
store i8 %phi, ptr %arrayidx
|
|
%iv.next = add nuw nsw i64 %iv, 1
|
|
%exitcond.not = icmp eq i64 %iv.next, 1024
|
|
br i1 %exitcond.not, label %for.end, label %for.body
|
|
|
|
for.end:
|
|
ret void
|
|
}
|