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; RUN: llc < %s -o - -march=x86-64 | FileCheck %s
; PR8573
; CHECK: foo:
; CHECK: leaq (%rdi), %rax
; CHECK-NEXT: movl %esi, %ecx
; CHECK-NEXT: monitor
define void @foo(i8* %P, i32 %E, i32 %H) nounwind {
entry:
tail call void @llvm.x86.sse3.monitor(i8* %P, i32 %E, i32 %H)
ret void
}
declare void @llvm.x86.sse3.monitor(i8*, i32, i32) nounwind
; CHECK: bar:
; CHECK: movl %edi, %ecx
; CHECK-NEXT: movl %esi, %eax
; CHECK-NEXT: mwait
define void @bar(i32 %E, i32 %H) nounwind {
entry:
tail call void @llvm.x86.sse3.mwait(i32 %E, i32 %H)
ret void
}
declare void @llvm.x86.sse3.mwait(i32, i32) nounwind
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