1 ; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s 2 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*) 10 11 define internal i32 @catchall_filt() { 12 ret i32 1 13 } 14 15 define void @use_except_handler3() personality i32 (...)* @_except_handler3 { 16 entry: 17 invoke void @may_throw_or_crash() 18 to label %cont unwind label %lpad 19 cont: 20 ret void 21 lpad: 22 %cs = catchswitch within none [label %catch] unwind to caller 23 catch: 24 %p = catchpad within %cs [i8* bitcast (i32 ()* @catchall_filt to i8*)] 25 catchret from %p to label %cont 26 } 27 28 ; CHECK-LABEL: _use_except_handler3: 29 ; CHECK: pushl %ebp 30 ; CHECK: movl %esp, %ebp 31 ; CHECK: pushl %ebx 32 ; CHECK: pushl %edi 33 ; CHECK: pushl %esi 34 ; CHECK: subl ${{[0-9]+}}, %esp 35 ; CHECK: movl $-1, -16(%ebp) 36 ; CHECK: movl $L__ehtable$use_except_handler3, -20(%ebp) 37 ; CHECK: leal -28(%ebp), %[[node:[^ ,]*]] 38 ; CHECK: movl $__except_handler3, -24(%ebp) 39 ; CHECK: movl %fs:0, %[[next:[^ ,]*]] 40 ; CHECK: movl %[[next]], -28(%ebp) 41 ; CHECK: movl %[[node]], %fs:0 42 ; CHECK: calll _may_throw_or_crash 43 ; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] 44 ; CHECK: movl %[[next]], %fs:0 45 ; CHECK: retl 46 ; CHECK: LBB1_2: # %catch{{$}} 47 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 LBB1_2 53 54 define void @use_except_handler4() personality i32 (...)* @_except_handler4 { 55 entry: 56 invoke void @may_throw_or_crash() 57 to label %cont unwind label %lpad 58 cont: 59 ret void 60 lpad: 61 %cs = catchswitch within none [label %catch] unwind to caller 62 catch: 63 %p = catchpad within %cs [i8* bitcast (i32 ()* @catchall_filt to i8*)] 64 catchret from %p to label %cont 65 } 66 67 ; CHECK-LABEL: _use_except_handler4: 68 ; CHECK: pushl %ebp 69 ; CHECK: movl %esp, %ebp 70 ; CHECK: subl ${{[0-9]+}}, %esp 71 ; CHECK: movl %esp, -36(%ebp) 72 ; CHECK: movl $-2, -16(%ebp) 73 ; CHECK: movl $L__ehtable$use_except_handler4, %[[lsda:[^ ,]*]] 74 ; CHECK: xorl ___security_cookie, %[[lsda]] 75 ; CHECK: movl %[[lsda]], -20(%ebp) 76 ; CHECK: leal -28(%ebp), %[[node:[^ ,]*]] 77 ; CHECK: movl $__except_handler4, -24(%ebp) 78 ; CHECK: movl %fs:0, %[[next:[^ ,]*]] 79 ; CHECK: movl %[[next]], -28(%ebp) 80 ; CHECK: movl %[[node]], %fs:0 81 ; CHECK: calll _may_throw_or_crash 82 ; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] 83 ; CHECK: movl %[[next]], %fs:0 84 ; CHECK: retl 85 ; CHECK: LBB2_2: # %catch{{$}} 86 87 ; CHECK: .section .xdata,"dr" 88 ; CHECK-LABEL: L__ehtable$use_except_handler4: 89 ; CHECK-NEXT: .long -2 90 ; CHECK-NEXT: .long 0 91 ; CHECK-NEXT: .long -40 92 ; CHECK-NEXT: .long 0 93 ; CHECK-NEXT: .long -2 94 ; CHECK-NEXT: .long _catchall_filt 95 ; CHECK-NEXT: .long LBB2_2 96 97 define void @use_except_handler4_ssp() sspstrong personality i32 (...)* @_except_handler4 { 98 entry: 99 invoke void @may_throw_or_crash() 100 to label %cont unwind label %lpad 101 cont: 102 ret void 103 lpad: 104 %cs = catchswitch within none [label %catch] unwind to caller 105 catch: 106 %p = catchpad within %cs [i8* bitcast (i32 ()* @catchall_filt to i8*)] 107 catchret from %p to label %cont 108 } 109 110 ; CHECK-LABEL: _use_except_handler4_ssp: 111 ; CHECK: pushl %ebp 112 ; CHECK: movl %esp, %ebp 113 ; CHECK: subl ${{[0-9]+}}, %esp 114 ; CHECK: movl %ebp, %[[ehguard:[^ ,]*]] 115 ; CHECK: movl %esp, -36(%ebp) 116 ; CHECK: movl $-2, -16(%ebp) 117 ; CHECK: movl $L__ehtable$use_except_handler4_ssp, %[[lsda:[^ ,]*]] 118 ; CHECK: xorl ___security_cookie, %[[lsda]] 119 ; CHECK: movl %[[lsda]], -20(%ebp) 120 ; CHECK: xorl ___security_cookie, %[[ehguard]] 121 ; CHECK: movl %[[ehguard]], -40(%ebp) 122 ; CHECK: leal -28(%ebp), %[[node:[^ ,]*]] 123 ; CHECK: movl $__except_handler4, -24(%ebp) 124 ; CHECK: movl %fs:0, %[[next:[^ ,]*]] 125 ; CHECK: movl %[[next]], -28(%ebp) 126 ; CHECK: movl %[[node]], %fs:0 127 ; CHECK: calll _may_throw_or_crash 128 ; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] 129 ; CHECK: movl %[[next]], %fs:0 130 ; CHECK: retl 131 ; CHECK: [[catch:[^ ,]*]]: # %catch{{$}} 132 133 ; CHECK: .section .xdata,"dr" 134 ; CHECK-LABEL: L__ehtable$use_except_handler4_ssp: 135 ; CHECK-NEXT: .long -2 136 ; CHECK-NEXT: .long 0 137 ; CHECK-NEXT: .long -40 138 ; CHECK-NEXT: .long 0 139 ; CHECK-NEXT: .long -2 140 ; CHECK-NEXT: .long _catchall_filt 141 ; CHECK-NEXT: .long [[catch]] 142 143 define void @use_CxxFrameHandler3() personality i32 (...)* @__CxxFrameHandler3 { 144 invoke void @may_throw_or_crash() 145 to label %cont unwind label %catchall 146 cont: 147 ret void 148 149 catchall: 150 %cs = catchswitch within none [label %catch] unwind to caller 151 catch: 152 %p = catchpad within %cs [i8* null, i32 64, i8* null] 153 catchret from %p to label %cont 154 } 155 156 ; CHECK-LABEL: _use_CxxFrameHandler3: 157 ; CHECK: pushl %ebp 158 ; CHECK: movl %esp, %ebp 159 ; CHECK: subl ${{[0-9]+}}, %esp 160 ; CHECK: movl %esp, -28(%ebp) 161 ; CHECK: movl $-1, -16(%ebp) 162 ; CHECK: leal -24(%ebp), %[[node:[^ ,]*]] 163 ; CHECK: movl $___ehhandler$use_CxxFrameHandler3, -20(%ebp) 164 ; CHECK: movl %fs:0, %[[next:[^ ,]*]] 165 ; CHECK: movl %[[next]], -24(%ebp) 166 ; CHECK: movl %[[node]], %fs:0 167 ; CHECK: movl $0, -16(%ebp) 168 ; CHECK: calll _may_throw_or_crash 169 ; CHECK: movl -24(%ebp), %[[next:[^ ,]*]] 170 ; CHECK: movl %[[next]], %fs:0 171 ; CHECK: retl 172 173 ; CHECK: .section .xdata,"dr" 174 ; CHECK: .p2align 2 175 ; CHECK-LABEL: L__ehtable$use_CxxFrameHandler3: 176 ; CHECK-NEXT: .long 429065506 177 ; CHECK-NEXT: .long 2 178 ; CHECK-NEXT: .long ($stateUnwindMap$use_CxxFrameHandler3) 179 ; CHECK-NEXT: .long 1 180 ; CHECK-NEXT: .long ($tryMap$use_CxxFrameHandler3) 181 ; CHECK-NEXT: .long 0 182 ; CHECK-NEXT: .long 0 183 ; CHECK-NEXT: .long 0 184 ; CHECK-NEXT: .long 1 185 186 ; CHECK-LABEL: ___ehhandler$use_CxxFrameHandler3: 187 ; CHECK: movl $L__ehtable$use_CxxFrameHandler3, %eax 188 ; CHECK: jmp ___CxxFrameHandler3 # TAILCALL 189 190 ; CHECK: .safeseh __except_handler3 191 ; CHECK: .safeseh __except_handler4 192 ; CHECK: .safeseh ___ehhandler$use_CxxFrameHandler3 193
