| ; RUN: opt -mcpu=a2 -loop-data-prefetch -S < %s | FileCheck %s | |
| ; RUN: opt -mcpu=a2 -passes=loop-data-prefetch -S < %s | FileCheck %s | |
| target datalayout = "E-m:e-i64:64-n32:64" | |
| target triple = "powerpc64-bgq-linux" | |
| define void @foo(double* nocapture %a, double* nocapture readonly %b) { | |
| entry: | |
| br label %for.body | |
| ; CHECK: for.body: | |
| for.body: ; preds = %for.body, %entry | |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] | |
| %arrayidx = getelementptr inbounds double, double* %b, i64 %indvars.iv | |
| ; CHECK: call void @llvm.prefetch | |
| %0 = load double, double* %arrayidx, align 8 | |
| %add = fadd double %0, 1.000000e+00 | |
| %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.end, label %for.body | |
| ; CHECK: for.end: | |
| for.end: ; preds = %for.body | |
| ret void | |
| } |