blob: ea46fd0d5a8f8513e2ed4433ada2e214c82d45ba [file] [log] [blame]
; 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
}