llvm/test/CodeGen/X86/prefetch.ll
2009-09-08 23:54:48 +00:00

17 lines
488 B
LLVM

; 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