| 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" |
| target triple = "powerpc64-unknown-linux-gnu" |
| ; RUN: llc -mcpu=a2 -enable-misched -enable-aa-sched-mi < %s | FileCheck %s |
| |
| define i8 @test1(i8* noalias %a, i8* noalias %b, i8* noalias %c) nounwind { |
| entry: |
| %q = load i8* %b |
| call void @llvm.prefetch(i8* %a, i32 0, i32 3, i32 1) |
| %r = load i8* %c |
| %s = add i8 %q, %r |
| ret i8 %s |
| } |
| |
| declare void @llvm.prefetch(i8*, i32, i32, i32) |
| |
| ; Test that we've moved the second load to before the dcbt to better |
| ; hide its latency. |
| ; CHECK: @test1 |
| ; CHECK: lbz |
| ; CHECK: lbz |
| ; CHECK: dcbt |
| |