1 ; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s
3 declare void @may_throw_or_crash()
4 declare i32 @_except_handler3(...)
5 declare i32 @_except_handler4(...)
6 declare i32 @__CxxFrameHandler3(...)
7 declare void @llvm.eh.begincatch(i8*, i8*)
8 declare void @llvm.eh.endcatch()
9 declare i32 @llvm.eh.typeid.for(i8*)
11 define internal i32 @catchall_filt() {
15 define void @use_except_handler3() {
17 invoke void @may_throw_or_crash()
18 to label %cont unwind label %catchall
22 %0 = landingpad { i8*, i32 } personality i32 (...)* @_except_handler3
23 catch i8* bitcast (i32 ()* @catchall_filt to i8*)
24 %1 = extractvalue { i8*, i32 } %0, 1
25 %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @catchall_filt to i8*)) #4
26 %matches = icmp eq i32 %1, %2
27 br i1 %matches, label %cont, label %eh.resume
29 resume { i8*, i32 } %0
32 ; CHECK-LABEL: _use_except_handler3:
34 ; CHECK: movl %esp, %ebp
35 ; CHECK: subl ${{[0-9]+}}, %esp
36 ; CHECK: movl $-1, -4(%ebp)
37 ; CHECK: movl $L__ehtable$use_except_handler3, -8(%ebp)
38 ; CHECK: leal -16(%ebp), %[[node:[^ ,]*]]
39 ; CHECK: movl $__except_handler3, -12(%ebp)
40 ; CHECK: movl %fs:0, %[[next:[^ ,]*]]
41 ; CHECK: movl %[[next]], -16(%ebp)
42 ; CHECK: movl %[[node]], %fs:0
43 ; CHECK: calll _may_throw_or_crash
44 ; CHECK: movl -16(%ebp), %[[next:[^ ,]*]]
45 ; CHECK: movl %[[next]], %fs:0
48 ; CHECK: .section .xdata,"dr"
49 ; CHECK-LABEL: L__ehtable$use_except_handler3:
50 ; CHECK-NEXT: .long -1
51 ; CHECK-NEXT: .long _catchall_filt
52 ; CHECK-NEXT: .long Ltmp{{[0-9]+}}
54 define void @use_except_handler4() {
56 invoke void @may_throw_or_crash()
57 to label %cont unwind label %catchall
61 %0 = landingpad { i8*, i32 } personality i32 (...)* @_except_handler4
62 catch i8* bitcast (i32 ()* @catchall_filt to i8*)
63 %1 = extractvalue { i8*, i32 } %0, 1
64 %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @catchall_filt to i8*)) #4
65 %matches = icmp eq i32 %1, %2
66 br i1 %matches, label %cont, label %eh.resume
68 resume { i8*, i32 } %0
71 ; CHECK-LABEL: _use_except_handler4:
73 ; CHECK: movl %esp, %ebp
74 ; CHECK: subl ${{[0-9]+}}, %esp
75 ; CHECK: movl %esp, -24(%ebp)
76 ; CHECK: movl $-2, -4(%ebp)
77 ; CHECK: movl $L__ehtable$use_except_handler4, %[[lsda:[^ ,]*]]
78 ; CHECK: xorl ___security_cookie, %[[lsda]]
79 ; CHECK: movl %[[lsda]], -8(%ebp)
80 ; CHECK: leal -16(%ebp), %[[node:[^ ,]*]]
81 ; CHECK: movl $__except_handler4, -12(%ebp)
82 ; CHECK: movl %fs:0, %[[next:[^ ,]*]]
83 ; CHECK: movl %[[next]], -16(%ebp)
84 ; CHECK: movl %[[node]], %fs:0
85 ; CHECK: calll _may_throw_or_crash
86 ; CHECK: movl -16(%ebp), %[[next:[^ ,]*]]
87 ; CHECK: movl %[[next]], %fs:0
90 ; CHECK: .section .xdata,"dr"
91 ; CHECK-LABEL: L__ehtable$use_except_handler4:
92 ; CHECK-NEXT: .long -2
94 ; CHECK-NEXT: .long 9999
96 ; CHECK-NEXT: .long -2
97 ; CHECK-NEXT: .long _catchall_filt
98 ; CHECK-NEXT: .long Ltmp{{[0-9]+}}
100 define void @use_CxxFrameHandler3() {
101 invoke void @may_throw_or_crash()
102 to label %cont unwind label %catchall
106 %ehvals = landingpad { i8*, i32 } personality i32 (...)* @__CxxFrameHandler3
108 %ehptr = extractvalue { i8*, i32 } %ehvals, 0
109 call void @llvm.eh.begincatch(i8* %ehptr, i8* null)
110 call void @llvm.eh.endcatch()
114 ; CHECK-LABEL: _use_CxxFrameHandler3:
116 ; CHECK: movl %esp, %ebp
117 ; CHECK: subl ${{[0-9]+}}, %esp
118 ; CHECK: movl %esp, -16(%ebp)
119 ; CHECK: movl $-1, -4(%ebp)
120 ; CHECK: leal -12(%ebp), %[[node:[^ ,]*]]
121 ; CHECK: movl $___ehhandler$use_CxxFrameHandler3, -8(%ebp)
122 ; CHECK: movl %fs:0, %[[next:[^ ,]*]]
123 ; CHECK: movl %[[next]], -12(%ebp)
124 ; CHECK: movl %[[node]], %fs:0
125 ; CHECK: movl $0, -4(%ebp)
126 ; CHECK: calll _may_throw_or_crash
127 ; CHECK: movl -12(%ebp), %[[next:[^ ,]*]]
128 ; CHECK: movl %[[next]], %fs:0
131 ; CHECK: .section .xdata,"dr"
132 ; CHECK-LABEL: L__ehtable$use_CxxFrameHandler3:
133 ; CHECK-NEXT: .long 429065506
134 ; CHECK-NEXT: .long 2
135 ; CHECK-NEXT: .long ($stateUnwindMap$use_CxxFrameHandler3)
136 ; CHECK-NEXT: .long 1
137 ; CHECK-NEXT: .long ($tryMap$use_CxxFrameHandler3)
138 ; CHECK-NEXT: .long 0
139 ; CHECK-NEXT: .long 0
140 ; CHECK-NEXT: .long 0
141 ; CHECK-NEXT: .long 1
143 ; CHECK-LABEL: ___ehhandler$use_CxxFrameHandler3:
144 ; CHECK: movl $L__ehtable$use_CxxFrameHandler3, %eax
145 ; CHECK: jmp ___CxxFrameHandler3 # TAILCALL
147 ; CHECK: .safeseh __except_handler3
148 ; CHECK: .safeseh __except_handler4
149 ; CHECK: .safeseh ___ehhandler$use_CxxFrameHandler3