[llvm] r190957 - Verify that llvm can generate the prefetchw instruction when the CPU is

[Preston Gurd]

Author: pgurd
Date: Wed Sep 18 16:08:09 2013
New Revision: 190957

URL: http://llvm.org/viewvc/llvm-project?rev=190957&view=rev
Log:
Verify that llvm can generate the prefetchw instruction when the CPU is
Atom Silvermont.

Patch by Sriram Murali.


Modified:
    llvm/trunk/test/CodeGen/X86/prefetch.ll

Modified: llvm/trunk/test/CodeGen/X86/prefetch.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/prefetch.ll?rev=190957&r1=190956&r2=190957&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/prefetch.ll (original)
+++ llvm/trunk/test/CodeGen/X86/prefetch.ll Wed Sep 18 16:08:09 2013
@@ -1,6 +1,7 @@
 ; 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 -mcpu=slm | FileCheck %s -check-prefix=SLM
 
 ; rdar://10538297
 
@@ -11,6 +12,7 @@ entry:
 ; CHECK: prefetcht0
 ; CHECK: prefetchnta
 ; PRFCHW: 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 )