-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse > %t
-; RUN: grep prefetchnta %t
-; RUN: grep prefetcht0 %t
-; RUN: grep prefetcht1 %t
-; RUN: grep prefetcht2 %t
+; RUN: llc < %s -march=x86 -mattr=+sse | FileCheck %s
+; RUN: llc < %s -march=x86 -mattr=+avx | FileCheck %s
+; RUN: llc < %s -march=x86 -mattr=+sse -mattr=+prfchw | FileCheck %s -check-prefix=PRFCHW
+; RUN: llc < %s -march=x86 -mcpu=slm | FileCheck %s -check-prefix=SLM
+; RUN: llc < %s -march=x86 -mcpu=btver2 | FileCheck %s -check-prefix=PRFCHW
+; RUN: llc < %s -march=x86 -mcpu=btver2 -mattr=-prfchw | FileCheck %s -check-prefix=NOPRFCHW
+
+; rdar://10538297
define void @t(i8* %ptr) nounwind {
entry:
- tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 1 )
- tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 2 )
- tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 3 )
- tail call void @llvm.prefetch( i8* %ptr, i32 0, i32 0 )
+; CHECK: prefetcht2
+; CHECK: prefetcht1
+; CHECK: prefetcht0
+; CHECK: prefetchnta
+; PRFCHW: prefetchw
+; NOPRFCHW-NOT: prefetchw
+; SLM: prefetchw
+ 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 )
+ tail call void @llvm.prefetch( i8* %ptr, i32 1, i32 3, i32 1 )
ret void
}
-declare void @llvm.prefetch(i8*, i32, i32) nounwind
+declare void @llvm.prefetch(i8*, i32, i32, i32) nounwind