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| author | Evan Cheng <evan.cheng@apple.com> | 2008-03-08 00:58:38 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2008-03-08 00:58:38 +0000 |
| commit | 95cf661534ff6c24e5dba4d156842a00b6af8499 (patch) | |
| tree | de7a94e33d8a94211cf1e8f56c3b5b32ec731ceb /llvm/test/CodeGen/X86/prefetch.ll | |
| parent | d2ab5fd713eb933c48876c1cb9f627a99c64f2b9 (diff) | |
| download | bcm5719-llvm-95cf661534ff6c24e5dba4d156842a00b6af8499.tar.gz bcm5719-llvm-95cf661534ff6c24e5dba4d156842a00b6af8499.zip | |
Implement x86 support for @llvm.prefetch. It corresponds to prefetcht{0|1|2} and prefetchnta instructions.
llvm-svn: 48042
Diffstat (limited to 'llvm/test/CodeGen/X86/prefetch.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/prefetch.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/prefetch.ll b/llvm/test/CodeGen/X86/prefetch.ll new file mode 100644 index 00000000000..bcc6e3ad3dd --- /dev/null +++ b/llvm/test/CodeGen/X86/prefetch.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse1 | grep prefetchnta +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse1 | grep prefetcht0 +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse1 | grep prefetcht1 +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse1 | grep prefetcht2 + +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 |
