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