39 lines
1.7 KiB
LLVM
39 lines
1.7 KiB
LLVM
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; RUN: opt < %s -loop-vectorize -mtriple=ve-linux -S | FileCheck %s -check-prefix=VE
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; RUN: opt < %s -loop-vectorize -mtriple=x86_64-pc_linux -mcpu=core-avx2 -S | FileCheck %s -check-prefix=AVX
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; Make sure LV does not trigger for VE on an appealing loop that vectorizes for x86 AVX.
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; TODO: Remove this test once VE vector isel is deemed stable.
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; VE-NOT: llvm.loop.isvectorized
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; AVX: llvm.loop.isvectorized
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define dso_local void @foo(i32* noalias nocapture %A, i32* noalias nocapture readonly %B, i32 signext %n) local_unnamed_addr {
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entry:
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%cmp = icmp sgt i32 %n, 0
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br i1 %cmp, label %omp.inner.for.body.preheader, label %simd.if.end
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omp.inner.for.body.preheader: ; preds = %entry
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%wide.trip.count = zext i32 %n to i64
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br label %omp.inner.for.body
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omp.inner.for.body: ; preds = %omp.inner.for.body.preheader, %omp.inner.for.body
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%indvars.iv = phi i64 [ 0, %omp.inner.for.body.preheader ], [ %indvars.iv.next, %omp.inner.for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
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%0 = load i32, i32* %arrayidx, align 4, !llvm.access.group !6
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%mul6 = mul nsw i32 %0, 3
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%arrayidx8 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
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store i32 %mul6, i32* %arrayidx8, align 4, !llvm.access.group !6
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
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br i1 %exitcond.not, label %simd.if.end, label %omp.inner.for.body, !llvm.loop !7
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simd.if.end: ; preds = %omp.inner.for.body, %entry
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ret void
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}
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!6 = distinct !{}
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!7 = distinct !{!7, !8, !9}
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!8 = !{!"llvm.loop.parallel_accesses", !6}
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!9 = !{!"llvm.loop.vectorize.enable", i1 true}
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