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Diffstat (limited to 'test/CodeGen/X86/prefetch.ll')
| -rw-r--r-- | test/CodeGen/X86/prefetch.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/X86/prefetch.ll b/test/CodeGen/X86/prefetch.ll new file mode 100644 index 0000000..fac5915 --- /dev/null +++ b/test/CodeGen/X86/prefetch.ll @@ -0,0 +1,16 @@ +; RUN: llc < %s -march=x86 -mattr=+sse > %t +; RUN: grep prefetchnta %t +; RUN: grep prefetcht0 %t +; RUN: grep prefetcht1 %t +; RUN: grep prefetcht2 %t + +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 ) + ret void +} + +declare void @llvm.prefetch(i8*, i32, i32) nounwind |