diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/mwaitx.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/mwaitx.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/mwaitx.ll b/llvm/test/CodeGen/X86/mwaitx.ll new file mode 100644 index 00000000000..5bf64311282 --- /dev/null +++ b/llvm/test/CodeGen/X86/mwaitx.ll @@ -0,0 +1,38 @@ +; RUN: llc < %s -mtriple=x86_64-linux -mattr=+mwaitx | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+mwaitx | FileCheck %s -check-prefix=WIN64 +; RUN: llc < %s -mtriple=x86_64-linux -mcpu=bdver4 | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-win32 -mcpu=bdver4 | FileCheck %s -check-prefix=WIN64 + +; CHECK-LABEL: foo: +; CHECK: leaq (%rdi), %rax +; CHECK-NEXT: movl %esi, %ecx +; CHECK-NEXT: monitorx +; WIN64-LABEL: foo: +; WIN64: leaq (%rcx), %rax +; WIN64-NEXT: movl %edx, %ecx +; WIN64-NEXT: movl %r8d, %edx +; WIN64-NEXT: monitorx +define void @foo(i8* %P, i32 %E, i32 %H) nounwind { +entry: + tail call void @llvm.x86.monitorx(i8* %P, i32 %E, i32 %H) + ret void +} + +declare void @llvm.x86.monitorx(i8*, i32, i32) nounwind + +; CHECK-LABEL: bar: +; CHECK: movl %edi, %ecx +; CHECK-NEXT: movl %esi, %eax +; CHECK-NEXT: movl %edx, %ebx +; CHECK-NEXT: mwaitx +; WIN64-LABEL: bar: +; WIN64: movl %edx, %eax +; WIN64: movl %r8d, %ebx +; WIN64-NEXT: mwaitx +define void @bar(i32 %E, i32 %H, i32 %C) nounwind { +entry: + tail call void @llvm.x86.mwaitx(i32 %E, i32 %H, i32 %C) + ret void +} + +declare void @llvm.x86.mwaitx(i32, i32, i32) nounwind |
