1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
; 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(ptr %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(ptr %P, i32 %E, i32 %H)
ret void
}
declare void @llvm.x86.monitorx(ptr, 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
|
