| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; 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 |
| |
| define void @foo(i8* %P, i32 %E, i32 %H) nounwind { |
| ; CHECK-LABEL: foo: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movl %esi, %ecx |
| ; CHECK-NEXT: movq %rdi, %rax |
| ; CHECK-NEXT: monitorx |
| ; CHECK-NEXT: retq |
| ; |
| ; WIN64-LABEL: foo: |
| ; WIN64: # %bb.0: # %entry |
| ; WIN64-NEXT: movq %rcx, %rax |
| ; WIN64-NEXT: movl %edx, %ecx |
| ; WIN64-NEXT: movl %r8d, %edx |
| ; WIN64-NEXT: monitorx |
| ; WIN64-NEXT: retq |
| entry: |
| tail call void @llvm.x86.monitorx(i8* %P, i32 %E, i32 %H) |
| ret void |
| } |
| |
| declare void @llvm.x86.monitorx(i8*, i32, i32) nounwind |
| |
| define void @bar(i32 %E, i32 %H, i32 %C) nounwind { |
| ; CHECK-LABEL: bar: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: pushq %rbx |
| ; CHECK-NEXT: movl %edx, %ebx |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: movl %edi, %ecx |
| ; CHECK-NEXT: mwaitx |
| ; CHECK-NEXT: popq %rbx |
| ; CHECK-NEXT: retq |
| ; |
| ; WIN64-LABEL: bar: |
| ; WIN64: # %bb.0: # %entry |
| ; WIN64-NEXT: pushq %rbx |
| ; WIN64-NEXT: movl %r8d, %ebx |
| ; WIN64-NEXT: movl %edx, %eax |
| ; WIN64-NEXT: mwaitx |
| ; WIN64-NEXT: popq %rbx |
| ; WIN64-NEXT: retq |
| entry: |
| tail call void @llvm.x86.mwaitx(i32 %E, i32 %H, i32 %C) |
| ret void |
| } |
| |
| declare void @llvm.x86.mwaitx(i32, i32, i32) nounwind |
