1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-linux -mattr=+mwaitx | FileCheck %s 3; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+mwaitx | FileCheck %s -check-prefix=WIN64 4; RUN: llc < %s -mtriple=x86_64-linux -mcpu=bdver4 | FileCheck %s 5; RUN: llc < %s -mtriple=x86_64-win32 -mcpu=bdver4 | FileCheck %s -check-prefix=WIN64 6 7define void @foo(i8* %P, i32 %E, i32 %H) nounwind { 8; CHECK-LABEL: foo: 9; CHECK: # %bb.0: # %entry 10; CHECK-NEXT: movl %esi, %ecx 11; CHECK-NEXT: movq %rdi, %rax 12; CHECK-NEXT: monitorx 13; CHECK-NEXT: retq 14; 15; WIN64-LABEL: foo: 16; WIN64: # %bb.0: # %entry 17; WIN64-NEXT: movq %rcx, %rax 18; WIN64-NEXT: movl %edx, %ecx 19; WIN64-NEXT: movl %r8d, %edx 20; WIN64-NEXT: monitorx 21; WIN64-NEXT: retq 22entry: 23 tail call void @llvm.x86.monitorx(i8* %P, i32 %E, i32 %H) 24 ret void 25} 26 27declare void @llvm.x86.monitorx(i8*, i32, i32) nounwind 28 29define void @bar(i32 %E, i32 %H, i32 %C) nounwind { 30; CHECK-LABEL: bar: 31; CHECK: # %bb.0: # %entry 32; CHECK-NEXT: pushq %rbx 33; CHECK-NEXT: movl %edx, %ebx 34; CHECK-NEXT: movl %esi, %eax 35; CHECK-NEXT: movl %edi, %ecx 36; CHECK-NEXT: mwaitx 37; CHECK-NEXT: popq %rbx 38; CHECK-NEXT: retq 39; 40; WIN64-LABEL: bar: 41; WIN64: # %bb.0: # %entry 42; WIN64-NEXT: pushq %rbx 43; WIN64-NEXT: movl %r8d, %ebx 44; WIN64-NEXT: movl %edx, %eax 45; WIN64-NEXT: mwaitx 46; WIN64-NEXT: popq %rbx 47; WIN64-NEXT: retq 48entry: 49 tail call void @llvm.x86.mwaitx(i32 %E, i32 %H, i32 %C) 50 ret void 51} 52 53declare void @llvm.x86.mwaitx(i32, i32, i32) nounwind 54