39 lines
1.1 KiB
LLVM
39 lines
1.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-linux -mattr=+mwaitx | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+mwaitx | FileCheck %s -check-prefix=WIN64
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; RUN: llc < %s -mtriple=x86_64-linux -mcpu=bdver4 | FileCheck %s
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; RUN: llc < %s -mtriple=x86_64-win32 -mcpu=bdver4 | FileCheck %s -check-prefix=WIN64
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; CHECK-LABEL: foo:
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; CHECK: leaq (%rdi), %rax
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; CHECK-NEXT: movl %esi, %ecx
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; CHECK-NEXT: monitorx
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; WIN64-LABEL: foo:
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; WIN64: leaq (%rcx), %rax
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; WIN64-NEXT: movl %edx, %ecx
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; WIN64-NEXT: movl %r8d, %edx
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; WIN64-NEXT: monitorx
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define void @foo(i8* %P, i32 %E, i32 %H) nounwind {
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entry:
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tail call void @llvm.x86.monitorx(i8* %P, i32 %E, i32 %H)
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ret void
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}
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declare void @llvm.x86.monitorx(i8*, i32, i32) nounwind
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; CHECK-LABEL: bar:
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; CHECK: movl %edi, %ecx
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; CHECK-NEXT: movl %esi, %eax
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; CHECK-NEXT: movl %edx, %ebx
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; CHECK-NEXT: mwaitx
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; WIN64-LABEL: bar:
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; WIN64: movl %edx, %eax
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; WIN64: movl %r8d, %ebx
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; WIN64-NEXT: mwaitx
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define void @bar(i32 %E, i32 %H, i32 %C) nounwind {
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entry:
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tail call void @llvm.x86.mwaitx(i32 %E, i32 %H, i32 %C)
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ret void
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}
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declare void @llvm.x86.mwaitx(i32, i32, i32) nounwind
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