43 lines
1.4 KiB
LLVM
43 lines
1.4 KiB
LLVM
; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S %s | FileCheck --check-prefix=VF4 %s
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; RUN: opt -passes=loop-vectorize -force-vector-interleave=2 -force-vector-width=1 -S %s | FileCheck --check-prefix=IC2 %s
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; rdar://problem/12848162
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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@a = common global [2048 x i32] zeroinitializer, align 16
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define void @example12() {
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; VF4-LABEL: @example12(
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; VF4-LABEL: vector.body:
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; VF4: [[VEC_IND:%.+]] = phi <4 x i32>
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; VF4: store <4 x i32> [[VEC_IND]]
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; VF4: middle.block:
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;
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; IC2-LABEL: @example12(
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; IC2-LABEL: vector.body:
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; IC2-NEXT: [[INDEX:%.+]] = phi i64 [ 0, %vector.ph ]
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; IC2-NEXT: [[TRUNC:%.+]] = trunc i64 [[INDEX]] to i32
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; IC2-NEXT: [[TRUNC0:%.+]] = add i32 [[TRUNC]], 0
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; IC2-NEXT: [[TRUNC1:%.+]] = add i32 [[TRUNC]], 1
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; IC2: store i32 [[TRUNC0]],
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; IC2-NEXT: store i32 [[TRUNC1]],
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;
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entry:
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br label %loop
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loop:
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%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
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%gep = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %iv
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%iv.trunc = trunc i64 %iv to i32
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store i32 %iv.trunc, i32* %gep, align 4
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%iv.next = add i64 %iv, 1
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%iv.next.trunc = trunc i64 %iv.next to i32
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%exitcond = icmp eq i32 %iv.next.trunc, 1024
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br i1 %exitcond, label %exit, label %loop
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exit:
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ret void
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}
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