| Hal Finkel | abdf755 | 2012-12-25 18:51:18 +0000 | [diff] [blame] | 1 | target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" |
| 2 | target triple = "powerpc64-unknown-linux-gnu" |
| 3 | ; RUN: llc -mcpu=a2 -enable-misched -enable-aa-sched-mi < %s | FileCheck %s |
| 4 | |
| 5 | define i8 @test1(i8* noalias %a, i8* noalias %b, i8* noalias %c) nounwind { |
| 6 | entry: |
| 7 | %q = load i8* %b |
| 8 | call void @llvm.prefetch(i8* %a, i32 0, i32 3, i32 1) |
| 9 | %r = load i8* %c |
| 10 | %s = add i8 %q, %r |
| 11 | ret i8 %s |
| 12 | } |
| 13 | |
| 14 | declare void @llvm.prefetch(i8*, i32, i32, i32) |
| 15 | |
| 16 | ; Test that we've moved the second load to before the dcbt to better |
| 17 | ; hide its latency. |
| 18 | ; CHECK: @test1 |
| 19 | ; CHECK: lbz |
| 20 | ; CHECK: lbz |
| 21 | ; CHECK: dcbt |
| 22 | |