70 lines
2.8 KiB
LLVM
70 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -irce -irce-print-changed-loops=true < %s | FileCheck %s
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; RUN: opt -S -passes=irce -irce-print-changed-loops=true < %s | FileCheck %s
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128-ni:1-p2:32:8:8:32-ni:2"
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target triple = "x86_64-unknown-linux-gnu"
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; REQUIRES: asserts
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define void @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: br label [[OUTER_HEADER:%.*]]
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; CHECK: outer_latch:
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; CHECK-NEXT: [[TMP:%.*]] = or i32 [[TMP5:%.*]], 1
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; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i32 [[TMP5]], 1
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; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP8:%.*]], 0
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; CHECK-NEXT: br i1 [[TMP3]], label [[RET2:%.*]], label [[OUTER_HEADER]]
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; CHECK: outer_header:
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; CHECK-NEXT: [[TMP5]] = phi i32 [ 0, [[BB:%.*]] ], [ [[TMP2]], [[OUTER_LATCH:%.*]] ]
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; CHECK-NEXT: br label [[INNER_HEADER:%.*]]
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; CHECK: inner_exit:
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; CHECK-NEXT: [[TMP12_LCSSA:%.*]] = phi i32 [ [[TMP12:%.*]], [[INNER_HEADER]] ]
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; CHECK-NEXT: [[TMP7:%.*]] = or i32 [[TMP12_LCSSA]], [[TMP5]]
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; CHECK-NEXT: [[TMP8]] = add nuw i32 [[TMP12_LCSSA]], [[TMP5]]
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; CHECK-NEXT: [[TMP9:%.*]] = icmp ult i32 [[TMP5]], 0
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; CHECK-NEXT: br i1 [[TMP9]], label [[OUTER_LATCH]], label [[RET1:%.*]]
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; CHECK: ret1:
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; CHECK-NEXT: ret void
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; CHECK: inner_header:
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; CHECK-NEXT: [[TMP12]] = phi i32 [ [[TMP14:%.*]], [[INNER_HEADER]] ], [ 0, [[OUTER_HEADER]] ]
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; CHECK-NEXT: [[TMP13:%.*]] = or i32 [[TMP12]], 1
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; CHECK-NEXT: [[TMP14]] = add nuw nsw i32 [[TMP12]], 1
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; CHECK-NEXT: br i1 true, label [[INNER_EXIT:%.*]], label [[INNER_HEADER]]
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; CHECK: ret2:
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; CHECK-NEXT: ret void
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;
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bb:
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br label %outer_header
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outer_latch: ; preds = %inner_exit
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%tmp = or i32 %tmp5, 1
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%tmp2 = add nuw nsw i32 %tmp5, 1
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%tmp3 = icmp eq i32 %tmp8, 0
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br i1 %tmp3, label %ret2, label %outer_header
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outer_header: ; preds = %outer_latch, %bb
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%tmp5 = phi i32 [ 0, %bb ], [ %tmp2, %outer_latch ]
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br label %inner_header
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inner_exit: ; preds = %inner_header
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%tmp12.lcssa = phi i32 [ %tmp12, %inner_header ]
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%tmp7 = or i32 %tmp12.lcssa, %tmp5
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%tmp8 = add nuw i32 %tmp12.lcssa, %tmp5
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%tmp9 = icmp ult i32 %tmp5, 0
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br i1 %tmp9, label %outer_latch, label %ret1
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ret1: ; preds = %inner_exit
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ret void
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inner_header: ; preds = %inner_header, %outer_header
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%tmp12 = phi i32 [ %tmp14, %inner_header ], [ 0, %outer_header ]
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%tmp13 = or i32 %tmp12, 1
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%tmp14 = add nuw nsw i32 %tmp12, 1
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br i1 true, label %inner_exit, label %inner_header
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ret2: ; preds = %outer_latch
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ret void
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}
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