aboutsummaryrefslogtreecommitdiff
path: root/llvm/test/CodeGen/X86/stack-protector-msvc-oz.ll
blob: d8a772efbd7ed4ff043d8b69fcc775a3f2e1753c (plain)
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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=i386-pc-windows-msvc < %s -o - | FileCheck -check-prefix=MSVC-X86 %s
; RUN: llc -mtriple=x86_64-pc-windows-msvc < %s -o - | FileCheck -check-prefix=MSVC-X64 %s

; Make sure fastisel falls back and does something secure.
; RUN: llc -mtriple=i686-pc-windows-msvc -O0 < %s -o - | FileCheck -check-prefix=MSVC-X86-O0 %s
; RUN: llc -mtriple=x86_64-pc-windows-msvc -O0 < %s -o - | FileCheck -check-prefix=MSVC-X64-O0 %s

@"\01LC" = internal constant [11 x i8] c"buf == %s\0A\00"    ; <ptr> [#uses=1]

define void @test(ptr %a) nounwind ssp minsize {
; MSVC-X86-LABEL: test:
; MSVC-X86:       # %bb.0: # %entry
; MSVC-X86-NEXT:    pushl %esi
; MSVC-X86-NEXT:    subl $12, %esp
; MSVC-X86-NEXT:    movl ___security_cookie, %eax
; MSVC-X86-NEXT:    xorl %esp, %eax
; MSVC-X86-NEXT:    movl %eax, {{[0-9]+}}(%esp)
; MSVC-X86-NEXT:    movl %esp, %esi
; MSVC-X86-NEXT:    pushl {{[0-9]+}}(%esp)
; MSVC-X86-NEXT:    pushl %esi
; MSVC-X86-NEXT:    calll _strcpy
; MSVC-X86-NEXT:    popl %ecx
; MSVC-X86-NEXT:    popl %edx
; MSVC-X86-NEXT:    pushl %esi
; MSVC-X86-NEXT:    pushl $LC
; MSVC-X86-NEXT:    calll _printf
; MSVC-X86-NEXT:    popl %ecx
; MSVC-X86-NEXT:    popl %edx
; MSVC-X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; MSVC-X86-NEXT:    xorl %esp, %ecx
; MSVC-X86-NEXT:    calll @__security_check_cookie@4
; MSVC-X86-NEXT:    addl $12, %esp
; MSVC-X86-NEXT:    popl %esi
; MSVC-X86-NEXT:    retl
;
; MSVC-X64-LABEL: test:
; MSVC-X64:       # %bb.0: # %entry
; MSVC-X64-NEXT:    pushq %rsi
; MSVC-X64-NEXT:    subq $64, %rsp
; MSVC-X64-NEXT:    movq %rcx, %rdx
; MSVC-X64-NEXT:    movq __security_cookie(%rip), %rax
; MSVC-X64-NEXT:    xorq %rsp, %rax
; MSVC-X64-NEXT:    movq %rax, {{[0-9]+}}(%rsp)
; MSVC-X64-NEXT:    movq %rcx, {{[0-9]+}}(%rsp)
; MSVC-X64-NEXT:    leaq {{[0-9]+}}(%rsp), %rsi
; MSVC-X64-NEXT:    movq %rsi, %rcx
; MSVC-X64-NEXT:    callq strcpy
; MSVC-X64-NEXT:    leaq LC(%rip), %rcx
; MSVC-X64-NEXT:    movq %rsi, %rdx
; MSVC-X64-NEXT:    callq printf
; MSVC-X64-NEXT:    movq {{[0-9]+}}(%rsp), %rcx
; MSVC-X64-NEXT:    xorq %rsp, %rcx
; MSVC-X64-NEXT:    callq __security_check_cookie
; MSVC-X64-NEXT:    addq $64, %rsp
; MSVC-X64-NEXT:    popq %rsi
; MSVC-X64-NEXT:    retq
;
; MSVC-X86-O0-LABEL: test:
; MSVC-X86-O0:       # %bb.0: # %entry
; MSVC-X86-O0-NEXT:    subl $20, %esp
; MSVC-X86-O0-NEXT:    movl {{[0-9]+}}(%esp), %eax
; MSVC-X86-O0-NEXT:    movl ___security_cookie, %eax
; MSVC-X86-O0-NEXT:    xorl %esp, %eax
; MSVC-X86-O0-NEXT:    movl %eax, {{[0-9]+}}(%esp)
; MSVC-X86-O0-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; MSVC-X86-O0-NEXT:    movl %esp, %eax
; MSVC-X86-O0-NEXT:    movl %ecx, 4(%eax)
; MSVC-X86-O0-NEXT:    leal {{[0-9]+}}(%esp), %ecx
; MSVC-X86-O0-NEXT:    movl %ecx, (%eax)
; MSVC-X86-O0-NEXT:    calll _strcpy
; MSVC-X86-O0-NEXT:    leal LC, %ecx
; MSVC-X86-O0-NEXT:    leal {{[0-9]+}}(%esp), %eax
; MSVC-X86-O0-NEXT:    movl %ecx, (%esp)
; MSVC-X86-O0-NEXT:    movl %eax, {{[0-9]+}}(%esp)
; MSVC-X86-O0-NEXT:    calll _printf
; MSVC-X86-O0-NEXT:  # %bb.1: # %return
; MSVC-X86-O0-NEXT:    movl {{[0-9]+}}(%esp), %ecx
; MSVC-X86-O0-NEXT:    xorl %esp, %ecx
; MSVC-X86-O0-NEXT:    calll @__security_check_cookie@4
; MSVC-X86-O0-NEXT:    addl $20, %esp
; MSVC-X86-O0-NEXT:    retl
;
; MSVC-X64-O0-LABEL: test:
; MSVC-X64-O0:       # %bb.0: # %entry
; MSVC-X64-O0-NEXT:    subq $56, %rsp
; MSVC-X64-O0-NEXT:    movq __security_cookie(%rip), %rax
; MSVC-X64-O0-NEXT:    xorq %rsp, %rax
; MSVC-X64-O0-NEXT:    movq %rax, {{[0-9]+}}(%rsp)
; MSVC-X64-O0-NEXT:    movq %rcx, {{[0-9]+}}(%rsp)
; MSVC-X64-O0-NEXT:    movq {{[0-9]+}}(%rsp), %rdx
; MSVC-X64-O0-NEXT:    leaq {{[0-9]+}}(%rsp), %rcx
; MSVC-X64-O0-NEXT:    callq strcpy
; MSVC-X64-O0-NEXT:    leaq LC(%rip), %rcx
; MSVC-X64-O0-NEXT:    leaq {{[0-9]+}}(%rsp), %rdx
; MSVC-X64-O0-NEXT:    callq printf
; MSVC-X64-O0-NEXT:  # %bb.1: # %return
; MSVC-X64-O0-NEXT:    movq {{[0-9]+}}(%rsp), %rcx
; MSVC-X64-O0-NEXT:    xorq %rsp, %rcx
; MSVC-X64-O0-NEXT:    callq __security_check_cookie
; MSVC-X64-O0-NEXT:    addq $56, %rsp
; MSVC-X64-O0-NEXT:    retq
entry:
 %a_addr = alloca ptr    ; <ptr> [#uses=2]
 %buf = alloca [8 x i8]    ; <ptr> [#uses=2]
 store ptr %a, ptr %a_addr
 %0 = load ptr, ptr %a_addr, align 4    ; <ptr> [#uses=1]
 %1 = call ptr @strcpy(ptr %buf, ptr %0) nounwind   ; <ptr> [#uses=0]
 %2 = call i32 (ptr, ...) @printf(ptr @"\01LC", ptr %buf) nounwind    ; <i32> [#uses=0]
 br label %return

return:    ; preds = %entry
 ret void
}

declare ptr @strcpy(ptr, ptr) nounwind

declare i32 @printf(ptr, ...) nounwind