forked from OSchip/llvm-project
51 lines
2.0 KiB
LLVM
51 lines
2.0 KiB
LLVM
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; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7 -debug-only=loop-vectorize -S 2>&1 | FileCheck %s
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; REQUIRES: asserts
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: test
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; CHECK-DAG: LV: Found uniform instruction: %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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; CHECK-DAG: LV: Found uniform instruction: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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; CHECK-DAG: LV: Found uniform instruction: %exitcond = icmp eq i64 %indvars.iv, 1599
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define void @test(float* noalias nocapture %a, float* noalias nocapture readonly %b) #0 {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds float, float* %b, i64 %indvars.iv
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%tmp0 = load float, float* %arrayidx, align 4
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%add = fadd float %tmp0, 1.000000e+00
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%arrayidx5 = getelementptr inbounds float, float* %a, i64 %indvars.iv
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store float %add, float* %arrayidx5, align 4
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv, 1599
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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}
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; CHECK-LABEL: foo
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; CHECK-DAG: LV: Found uniform instruction: %cond = icmp eq i64 %i.next, %n
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; CHECK-DAG: LV: Found uniform instruction: %tmp1 = getelementptr inbounds i32, i32* %a, i32 %tmp0
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; CHECK-NOT: LV: Found uniform instruction: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
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define void @foo(i32* %a, i64 %n) {
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entry:
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br label %for.body
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for.body:
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%i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
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%tmp0 = trunc i64 %i to i32
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%tmp1 = getelementptr inbounds i32, i32* %a, i32 %tmp0
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store i32 %tmp0, i32* %tmp1, align 4
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%i.next = add nuw nsw i64 %i, 1
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%cond = icmp eq i64 %i.next, %n
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br i1 %cond, 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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