forked from OSchip/llvm-project
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
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; RUN: opt -S -basicaa -loop-vectorize < %s | FileCheck %s
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target datalayout = "E-m:e-i64:64-n32:64"
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target triple = "powerpc64-unknown-linux-gnu"
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; Function Attrs: nounwind
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define void @foo(double* noalias nocapture %a, double* noalias nocapture readonly %b) #0 {
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entry:
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br label %for.body
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; CHECK-LABEL: @foo
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; CHECK: <2 x double>
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for.cond.cleanup: ; preds = %for.body
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ret void
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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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%0 = shl nsw i64 %indvars.iv, 1
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%odd.idx = add nsw i64 %0, 1
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%arrayidx = getelementptr inbounds double, double* %b, i64 %0
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%arrayidx.odd = getelementptr inbounds double, double* %b, i64 %odd.idx
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%1 = load double, double* %arrayidx, align 8
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%2 = load double, double* %arrayidx.odd, align 8
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%add = fadd double %1, %2
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%arrayidx2 = getelementptr inbounds double, double* %a, i64 %indvars.iv
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store double %add, double* %arrayidx2, align 8
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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%exitcond = icmp eq i64 %indvars.iv.next, 1600
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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attributes #0 = { nounwind "target-cpu"="pwr8" }
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