forked from OSchip/llvm-project
23 lines
650 B
LLVM
23 lines
650 B
LLVM
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
|
|
|