1 ; RUN: opt -mcpu=a2 -loop-data-prefetch -S < %s | FileCheck %s 2 target datalayout = "E-m:e-i64:64-n32:64" 3 target triple = "powerpc64-bgq-linux" 4 5 define void @foo(double* nocapture %a, double* nocapture readonly %b) { 6 entry: 7 br label %for.body 8 9 ; CHECK: for.body: 10 for.body: ; preds = %for.body, %entry 11 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 12 %arrayidx = getelementptr inbounds double, double* %b, i64 %indvars.iv 13 ; CHECK: call void @llvm.prefetch 14 %0 = load double, double* %arrayidx, align 8 15 %add = fadd double %0, 1.000000e+00 16 %arrayidx2 = getelementptr inbounds double, double* %a, i64 %indvars.iv 17 store double %add, double* %arrayidx2, align 8 18 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 19 %exitcond = icmp eq i64 %indvars.iv.next, 1600 20 br i1 %exitcond, label %for.end, label %for.body 21 22 ; CHECK: for.end: 23 for.end: ; preds = %for.body 24 ret void 25 } 26
