1; RUN: llc < %s -march=x86 -mattr=+sse | FileCheck %s
2; RUN: llc < %s -march=x86 -mattr=+avx | FileCheck %s
3; RUN: llc < %s -march=x86 -mattr=+sse -mattr=+prfchw | FileCheck %s -check-prefix=PRFCHW
4; RUN: llc < %s -march=x86 -mcpu=slm | FileCheck %s -check-prefix=SLM
5; RUN: llc < %s -march=x86 -mcpu=btver2 | FileCheck %s -check-prefix=PRFCHW
6; RUN: llc < %s -march=x86 -mcpu=btver2 -mattr=-prfchw | FileCheck %s -check-prefix=NOPRFCHW
7
8; rdar://10538297
9
10define void @t(i8* %ptr) nounwind  {
11entry:
12; CHECK: prefetcht2
13; CHECK: prefetcht1
14; CHECK: prefetcht0
15; CHECK: prefetchnta
16; PRFCHW: prefetchw
17; NOPRFCHW-NOT: prefetchw
18; SLM: prefetchw
19	tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 1, i32 1 )
20	tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 2, i32 1 )
21	tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3, i32 1 )
22	tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 0, i32 1 )
23	tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3, i32 1 )
24	ret void
25}
26
27declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind
28