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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-linux -mattr=-avx | FileCheck %s -check-prefix=X64
; Win64 has not supported byval yet.
; RUN: llc < %s -mtriple=i686-- -mattr=-avx | FileCheck %s -check-prefix=X86
%struct.s = type { i64, i64, i64, i64, i64, i64, i64, i64,
i64, i64, i64, i64, i64, i64, i64, i64,
i64 }
define void @g(i64 %a, i64 %b, i64 %c) nounwind {
; X64-LABEL: g:
; X64: # %bb.0: # %entry
; X64-NEXT: pushq %rbx
; X64-NEXT: subq $288, %rsp # imm = 0x120
; X64-NEXT: movq %rdi, {{[0-9]+}}(%rsp)
; X64-NEXT: movq %rsi, {{[0-9]+}}(%rsp)
; X64-NEXT: movq %rdx, {{[0-9]+}}(%rsp)
; X64-NEXT: leaq {{[0-9]+}}(%rsp), %rbx
; X64-NEXT: movl $17, %ecx
; X64-NEXT: movq %rsp, %rdi
; X64-NEXT: movq %rbx, %rsi
; X64-NEXT: rep;movsq (%rsi), %es:(%rdi)
; X64-NEXT: callq f@PLT
; X64-NEXT: movl $17, %ecx
; X64-NEXT: movq %rsp, %rdi
; X64-NEXT: movq %rbx, %rsi
; X64-NEXT: rep;movsq (%rsi), %es:(%rdi)
; X64-NEXT: callq f@PLT
; X64-NEXT: addq $288, %rsp # imm = 0x120
; X64-NEXT: popq %rbx
; X64-NEXT: retq
;
; X86-LABEL: g:
; X86: # %bb.0: # %entry
; X86-NEXT: pushl %ebp
; X86-NEXT: movl %esp, %ebp
; X86-NEXT: pushl %ebx
; X86-NEXT: pushl %edi
; X86-NEXT: pushl %esi
; X86-NEXT: andl $-16, %esp
; X86-NEXT: subl $288, %esp # imm = 0x120
; X86-NEXT: movl 12(%ebp), %eax
; X86-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-NEXT: movl 8(%ebp), %eax
; X86-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-NEXT: movl 20(%ebp), %eax
; X86-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-NEXT: movl 16(%ebp), %eax
; X86-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-NEXT: movl 28(%ebp), %eax
; X86-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-NEXT: movl 24(%ebp), %eax
; X86-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X86-NEXT: leal {{[0-9]+}}(%esp), %ebx
; X86-NEXT: movl $34, %ecx
; X86-NEXT: movl %esp, %edi
; X86-NEXT: movl %ebx, %esi
; X86-NEXT: rep;movsl (%esi), %es:(%edi)
; X86-NEXT: calll f@PLT
; X86-NEXT: movl $34, %ecx
; X86-NEXT: movl %esp, %edi
; X86-NEXT: movl %ebx, %esi
; X86-NEXT: rep;movsl (%esi), %es:(%edi)
; X86-NEXT: calll f@PLT
; X86-NEXT: leal -12(%ebp), %esp
; X86-NEXT: popl %esi
; X86-NEXT: popl %edi
; X86-NEXT: popl %ebx
; X86-NEXT: popl %ebp
; X86-NEXT: retl
entry:
%d = alloca %struct.s, align 16
%tmp = getelementptr %struct.s, %struct.s* %d, i32 0, i32 0
store i64 %a, i64* %tmp, align 16
%tmp2 = getelementptr %struct.s, %struct.s* %d, i32 0, i32 1
store i64 %b, i64* %tmp2, align 16
%tmp4 = getelementptr %struct.s, %struct.s* %d, i32 0, i32 2
store i64 %c, i64* %tmp4, align 16
call void @f(%struct.s* byval(%struct.s) %d)
call void @f(%struct.s* byval(%struct.s) %d)
ret void
}
declare void @f(%struct.s* byval(%struct.s))
|
