| Eric Christopher | cee313d | 2019-04-17 04:52:47 +0000 | [diff] [blame] | 1 | ; RUN: opt -mcpu=a2 -loop-data-prefetch -S < %s | FileCheck %s |
| 2 | ; RUN: opt -mcpu=a2 -passes=loop-data-prefetch -S < %s | FileCheck %s |
| 3 | target datalayout = "E-m:e-i64:64-n32:64" |
| 4 | target triple = "powerpc64-bgq-linux" |
| 5 | |
| 6 | define void @foo(double* nocapture %a, double* nocapture readonly %b) { |
| 7 | entry: |
| 8 | br label %for.body |
| 9 | |
| 10 | ; CHECK: for.body: |
| 11 | for.body: ; preds = %for.body, %entry |
| 12 | %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| 13 | %arrayidx = getelementptr inbounds double, double* %b, i64 %indvars.iv |
| 14 | ; CHECK: call void @llvm.prefetch |
| 15 | %0 = load double, double* %arrayidx, align 8 |
| 16 | %add = fadd double %0, 1.000000e+00 |
| 17 | %arrayidx2 = getelementptr inbounds double, double* %a, i64 %indvars.iv |
| 18 | store double %add, double* %arrayidx2, align 8 |
| 19 | %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| 20 | %exitcond = icmp eq i64 %indvars.iv.next, 1600 |
| 21 | br i1 %exitcond, label %for.end, label %for.body |
| 22 | |
| 23 | ; CHECK: for.end: |
| 24 | for.end: ; preds = %for.body |
| 25 | ret void |
| 26 | } |