xref: /llvm-project/llvm/test/CodeGen/X86/PR40322.ll (revision f0dd12ec5c0169ba5b4363b62d59511181cf954a)
1; RUN: llc < %s -mtriple=i686-windows-gnu | FileCheck %s --check-prefix=CHECK-MINGW-X86
2
3%struct.as = type { ptr }
4
5@_ZZ2amiE2au = internal unnamed_addr global %struct.as zeroinitializer, align 4
6@_ZGVZ2amiE2au = internal global i64 0, align 8
7@_ZTIi = external constant ptr
8
9define void @_Z2ami(i32) #0 personality ptr @__gxx_personality_v0 {
10; CHECK-MINGW-X86-LABEL: _Z2ami:
11; CHECK-MINGW-X86:       # %bb.0: # %entry
12; CHECK-MINGW-X86-NEXT:    pushl %edi
13; CHECK-MINGW-X86-NEXT:    .cfi_def_cfa_offset 8
14; CHECK-MINGW-X86-NEXT:    pushl %esi
15; CHECK-MINGW-X86-NEXT:    .cfi_def_cfa_offset 12
16; CHECK-MINGW-X86-NEXT:    .cfi_offset %esi, -12
17; CHECK-MINGW-X86-NEXT:    .cfi_offset %edi, -8
18; CHECK-MINGW-X86-NEXT:    movzbl __ZGVZ2amiE2au, %eax
19; CHECK-MINGW-X86-NEXT:    testb %al, %al
20; CHECK-MINGW-X86-NEXT:    jne LBB0_4
21; CHECK-MINGW-X86-NEXT:  # %bb.1: # %init.check
22; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
23; CHECK-MINGW-X86-NEXT:    pushl $__ZGVZ2amiE2au
24; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
25; CHECK-MINGW-X86-NEXT:    calll ___cxa_guard_acquire
26; CHECK-MINGW-X86-NEXT:    addl $4, %esp
27; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -4
28; CHECK-MINGW-X86-NEXT:    testl %eax, %eax
29; CHECK-MINGW-X86-NEXT:    je LBB0_4
30; CHECK-MINGW-X86-NEXT:  # %bb.2: # %init
31; CHECK-MINGW-X86-NEXT:  Ltmp0:
32; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
33; CHECK-MINGW-X86-NEXT:    pushl $4
34; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
35; CHECK-MINGW-X86-NEXT:    calll __Znwj
36; CHECK-MINGW-X86-NEXT:    addl $4, %esp
37; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -4
38; CHECK-MINGW-X86-NEXT:  Ltmp1:
39; CHECK-MINGW-X86-NEXT:  # %bb.3: # %invoke.cont
40; CHECK-MINGW-X86-NEXT:    movl %eax, __ZZ2amiE2au
41; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
42; CHECK-MINGW-X86-NEXT:    pushl $__ZGVZ2amiE2au
43; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
44; CHECK-MINGW-X86-NEXT:    calll ___cxa_guard_release
45; CHECK-MINGW-X86-NEXT:    addl $4, %esp
46; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -4
47; CHECK-MINGW-X86-NEXT:  LBB0_4: # %init.end
48; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
49; CHECK-MINGW-X86-NEXT:    pushl $4
50; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
51; CHECK-MINGW-X86-NEXT:    calll __Znwj
52; CHECK-MINGW-X86-NEXT:    addl $4, %esp
53; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -4
54; CHECK-MINGW-X86-NEXT:    movl %eax, %esi
55; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
56; CHECK-MINGW-X86-NEXT:    pushl $4
57; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
58; CHECK-MINGW-X86-NEXT:    calll ___cxa_allocate_exception
59; CHECK-MINGW-X86-NEXT:    addl $4, %esp
60; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -4
61; CHECK-MINGW-X86-NEXT:    movl $0, (%eax)
62; CHECK-MINGW-X86-NEXT:  Ltmp3:
63; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x0c
64; CHECK-MINGW-X86-NEXT:    movl .refptr.__ZTIi, %ecx
65; CHECK-MINGW-X86-NEXT:    pushl $0
66; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
67; CHECK-MINGW-X86-NEXT:    pushl %ecx
68; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
69; CHECK-MINGW-X86-NEXT:    pushl %eax
70; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
71; CHECK-MINGW-X86-NEXT:    calll ___cxa_throw
72; CHECK-MINGW-X86-NEXT:    addl $12, %esp
73; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -12
74; CHECK-MINGW-X86-NEXT:  Ltmp4:
75; CHECK-MINGW-X86-NEXT:  # %bb.8: # %unreachable
76; CHECK-MINGW-X86-NEXT:  LBB0_5: # %lpad
77; CHECK-MINGW-X86-NEXT:  Ltmp2:
78; CHECK-MINGW-X86-NEXT:    movl %eax, %edi
79; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
80; CHECK-MINGW-X86-NEXT:    pushl $__ZGVZ2amiE2au
81; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
82; CHECK-MINGW-X86-NEXT:    calll ___cxa_guard_abort
83; CHECK-MINGW-X86-NEXT:    jmp LBB0_7
84; CHECK-MINGW-X86-NEXT:  LBB0_6: # %lpad1
85; CHECK-MINGW-X86-NEXT:    .cfi_def_cfa_offset 12
86; CHECK-MINGW-X86-NEXT:  Ltmp5:
87; CHECK-MINGW-X86-NEXT:    movl %eax, %edi
88; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
89; CHECK-MINGW-X86-NEXT:    pushl %esi
90; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
91; CHECK-MINGW-X86-NEXT:    calll __ZdlPv
92; CHECK-MINGW-X86-NEXT:  LBB0_7: # %eh.resume
93; CHECK-MINGW-X86-NEXT:    addl $4, %esp
94; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset -4
95; CHECK-MINGW-X86-NEXT:    .cfi_escape 0x2e, 0x04
96; CHECK-MINGW-X86-NEXT:    pushl %edi
97; CHECK-MINGW-X86-NEXT:    .cfi_adjust_cfa_offset 4
98; CHECK-MINGW-X86-NEXT:    calll __Unwind_Resume
99; CHECK-MINGW-X86-NEXT:  Lfunc_end0:
100entry:
101  %1 = load atomic i8, ptr @_ZGVZ2amiE2au acquire, align 8
102  %guard.uninitialized = icmp eq i8 %1, 0
103  br i1 %guard.uninitialized, label %init.check, label %init.end
104
105init.check:                                       ; preds = %entry
106  %2 = tail call i32 @__cxa_guard_acquire(ptr nonnull @_ZGVZ2amiE2au)
107  %tobool = icmp eq i32 %2, 0
108  br i1 %tobool, label %init.end, label %init
109
110init:                                             ; preds = %init.check
111  %call.i3 = invoke ptr @_Znwj(i32 4)
112          to label %invoke.cont unwind label %lpad
113
114invoke.cont:                                      ; preds = %init
115  store ptr %call.i3, ptr @_ZZ2amiE2au, align 4
116  tail call void @__cxa_guard_release(ptr nonnull @_ZGVZ2amiE2au)
117  br label %init.end
118
119init.end:                                         ; preds = %init.check, %invoke.cont, %entry
120  %call.i = tail call ptr @_Znwj(i32 4)
121  %exception = tail call ptr @__cxa_allocate_exception(i32 4)
122  store i32 0, ptr %exception, align 16
123  invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)
124          to label %unreachable unwind label %lpad1
125
126lpad:                                             ; preds = %init
127  %3 = landingpad { ptr, i32 }
128          cleanup
129  %4 = extractvalue { ptr, i32 } %3, 0
130  %5 = extractvalue { ptr, i32 } %3, 1
131  tail call void @__cxa_guard_abort(ptr nonnull @_ZGVZ2amiE2au) #1
132  br label %eh.resume
133
134lpad1:                                            ; preds = %init.end
135  %6 = landingpad { ptr, i32 }
136          cleanup
137  %7 = extractvalue { ptr, i32 } %6, 0
138  %8 = extractvalue { ptr, i32 } %6, 1
139  tail call void @_ZdlPv(ptr nonnull %call.i)
140  br label %eh.resume
141
142eh.resume:                                        ; preds = %lpad1, %lpad
143  %exn.slot.0 = phi ptr [ %7, %lpad1 ], [ %4, %lpad ]
144  %ehselector.slot.0 = phi i32 [ %8, %lpad1 ], [ %5, %lpad ]
145  %lpad.val = insertvalue { ptr, i32 } undef, ptr %exn.slot.0, 0
146  %lpad.val2 = insertvalue { ptr, i32 } %lpad.val, i32 %ehselector.slot.0, 1
147  resume { ptr, i32 } %lpad.val2
148
149unreachable:                                      ; preds = %init.end
150  unreachable
151}
152
153declare i32 @__cxa_guard_acquire(ptr)
154declare i32 @__gxx_personality_v0(...)
155declare void @__cxa_guard_abort(ptr)
156declare void @__cxa_guard_release(ptr)
157declare ptr @__cxa_allocate_exception(i32)
158declare void @__cxa_throw(ptr, ptr, ptr)
159declare noalias nonnull ptr @_Znwj(i32)
160declare ptr @__cxa_begin_catch(ptr)
161declare void @__cxa_end_catch()
162declare void @_ZdlPv(ptr)
163