llvm/test/CodeGen/X86/prefetch.ll
Evan Cheng e9c1e07c5f Add test for r146163.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146167 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-08 19:21:39 +00:00

20 lines
580 B
LLVM

; RUN: llc < %s -march=x86 -mattr=+sse | FileCheck %s
; RUN: llc < %s -march=x86 -mattr=+avx | FileCheck %s
; rdar://10538297
define void @t(i8* %ptr) nounwind {
entry:
; CHECK: prefetcht2
; CHECK: prefetcht1
; CHECK: prefetcht0
; CHECK: prefetchnta
tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 1, i32 1 )
tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 2, i32 1 )
tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 1 )
tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 0, i32 1 )
ret void
}
declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind