1; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s 2 3declare void @may_throw_or_crash() 4declare i32 @_except_handler3(...) 5declare i32 @_except_handler4(...) 6declare i32 @__CxxFrameHandler3(...) 7declare i32 @llvm.eh.typeid.for(ptr) 8 9define internal i32 @catchall_filt() { 10 ret i32 1 11} 12 13define void @use_except_handler3() personality ptr @_except_handler3 { 14entry: 15 invoke void @may_throw_or_crash() 16 to label %cont unwind label %lpad 17cont: 18 ret void 19lpad: 20 %cs = catchswitch within none [label %catch] unwind to caller 21catch: 22 %p = catchpad within %cs [ptr @catchall_filt] 23 catchret from %p to label %cont 24} 25 26; CHECK-LABEL: _use_except_handler3: 27; CHECK: pushl %ebp 28; CHECK-NEXT: movl %esp, %ebp 29; CHECK-NEXT: pushl %ebx 30; CHECK-NEXT: pushl %edi 31; CHECK-NEXT: pushl %esi 32; CHECK-NEXT: subl ${{[0-9]+}}, %esp 33; CHECK-NEXT: movl %esp, -36(%ebp) 34; CHECK-NEXT: movl $-1, -16(%ebp) 35; CHECK-NEXT: movl $L__ehtable$use_except_handler3, -20(%ebp) 36; CHECK-NEXT: leal -28(%ebp), %[[node:[^ ,]*]] 37; CHECK-NEXT: movl $__except_handler3, -24(%ebp) 38; CHECK-NEXT: movl %fs:0, %[[next:[^ ,]*]] 39; CHECK-NEXT: movl %[[next]], -28(%ebp) 40; CHECK-NEXT: movl %[[node]], %fs:0 41; CHECK-NEXT: movl $0, -16(%ebp) 42; CHECK-NEXT: calll _may_throw_or_crash 43 44; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] 45; CHECK-NEXT: movl %[[next]], %fs:0 46; CHECK: retl 47; CHECK-NEXT: LBB1_2: # %catch{{$}} 48 49; CHECK: .section .xdata,"dr" 50; CHECK-LABEL: L__ehtable$use_except_handler3: 51; CHECK-NEXT: .long -1 52; CHECK-NEXT: .long _catchall_filt 53; CHECK-NEXT: .long LBB1_2 54 55define void @use_except_handler4() personality ptr @_except_handler4 { 56entry: 57 invoke void @may_throw_or_crash() 58 to label %cont unwind label %lpad 59cont: 60 ret void 61lpad: 62 %cs = catchswitch within none [label %catch] unwind to caller 63catch: 64 %p = catchpad within %cs [ptr @catchall_filt] 65 catchret from %p to label %cont 66} 67 68; CHECK-LABEL: _use_except_handler4: 69; CHECK: pushl %ebp 70; CHECK-NEXT: movl %esp, %ebp 71; CHECK-NEXT: pushl %ebx 72; CHECK-NEXT: pushl %edi 73; CHECK-NEXT: pushl %esi 74; CHECK-NEXT: subl ${{[0-9]+}}, %esp 75; CHECK-NEXT: movl %ebp, %eax 76; CHECK-NEXT: movl %esp, -36(%ebp) 77; CHECK-NEXT: movl $-2, -16(%ebp) 78; CHECK-NEXT: movl $L__ehtable$use_except_handler4, %[[lsda:[^ ,]*]] 79; CHECK-NEXT: movl ___security_cookie, %[[seccookie:[^ ,]*]] 80; CHECK-NEXT: xorl %[[seccookie]], %[[lsda]] 81; CHECK-NEXT: movl %[[lsda]], -20(%ebp) 82; CHECK-NEXT: xorl %[[seccookie]], %[[tmp1:[^ ,]*]] 83; CHECK-NEXT: movl %[[tmp1]], -40(%ebp) 84; CHECK-NEXT: leal -28(%ebp), %[[node:[^ ,]*]] 85; CHECK-NEXT: movl $__except_handler4, -24(%ebp) 86; CHECK-NEXT: movl %fs:0, %[[next:[^ ,]*]] 87; CHECK-NEXT: movl %[[next]], -28(%ebp) 88; CHECK-NEXT: movl %[[node]], %fs:0 89; CHECK-NEXT: movl $0, -16(%ebp) 90; CHECK-NEXT: calll _may_throw_or_crash 91 92; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] 93; CHECK-NEXT: movl %[[next]], %fs:0 94; CHECK-NEXT: addl $28, %esp 95; CHECK-NEXT: popl %esi 96; CHECK-NEXT: popl %edi 97; CHECK-NEXT: popl %ebx 98; CHECK-NEXT: popl %ebp 99; CHECK-NEXT: retl 100; CHECK-NEXT: LBB2_2: # %catch{{$}} 101 102; CHECK: .section .xdata,"dr" 103; CHECK-LABEL: L__ehtable$use_except_handler4: 104; CHECK-NEXT: .long -2 105; CHECK-NEXT: .long 0 106; CHECK-NEXT: .long -40 107; CHECK-NEXT: .long 0 108; CHECK-NEXT: .long -2 109; CHECK-NEXT: .long _catchall_filt 110; CHECK-NEXT: .long LBB2_2 111 112define void @use_except_handler4_ssp() sspstrong personality ptr @_except_handler4 { 113entry: 114 invoke void @may_throw_or_crash() 115 to label %cont unwind label %lpad 116cont: 117 ret void 118lpad: 119 %cs = catchswitch within none [label %catch] unwind to caller 120catch: 121 %p = catchpad within %cs [ptr @catchall_filt] 122 catchret from %p to label %cont 123} 124 125; CHECK-LABEL: _use_except_handler4_ssp: 126; CHECK: pushl %ebp 127; CHECK-NEXT: movl %esp, %ebp 128; CHECK-NEXT: pushl %ebx 129; CHECK-NEXT: pushl %edi 130; CHECK-NEXT: pushl %esi 131; CHECK-NEXT: subl ${{[0-9]+}}, %esp 132; CHECK-NEXT: movl %ebp, %[[ehguard:[^ ,]*]] 133; CHECK-NEXT: movl %esp, -36(%ebp) 134; CHECK-NEXT: movl $-2, -16(%ebp) 135; CHECK-NEXT: movl $L__ehtable$use_except_handler4_ssp, %[[lsda:[^ ,]*]] 136; CHECK-NEXT: movl ___security_cookie, %[[seccookie:[^ ,]*]] 137; CHECK-NEXT: xorl %[[seccookie]], %[[lsda]] 138; CHECK-NEXT: movl %[[lsda]], -20(%ebp) 139; CHECK-NEXT: xorl %[[seccookie]], %[[ehguard]] 140; CHECK-NEXT: movl %[[ehguard]], -40(%ebp) 141; CHECK-NEXT: leal -28(%ebp), %[[node:[^ ,]*]] 142; CHECK-NEXT: movl $__except_handler4, -24(%ebp) 143; CHECK-NEXT: movl %fs:0, %[[next:[^ ,]*]] 144; CHECK-NEXT: movl %[[next]], -28(%ebp) 145; CHECK-NEXT: movl %[[node]], %fs:0 146; CHECK-NEXT: movl $0, -16(%ebp) 147; CHECK-NEXT: calll _may_throw_or_crash 148; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] 149; CHECK-NEXT: movl %[[next]], %fs:0 150; CHECK: retl 151; CHECK-NEXT: [[catch:[^ ,]*]]: # %catch{{$}} 152 153 154 155; CHECK: .section .xdata,"dr" 156; CHECK-LABEL: L__ehtable$use_except_handler4_ssp: 157; CHECK-NEXT: .long -2 158; CHECK-NEXT: .long 0 159; CHECK-NEXT: .long -40 160; CHECK-NEXT: .long 0 161; CHECK-NEXT: .long -2 162; CHECK-NEXT: .long _catchall_filt 163; CHECK-NEXT: .long [[catch]] 164 165define void @use_CxxFrameHandler3() personality ptr @__CxxFrameHandler3 { 166 invoke void @may_throw_or_crash() 167 to label %cont unwind label %catchall 168cont: 169 ret void 170 171catchall: 172 %cs = catchswitch within none [label %catch] unwind to caller 173catch: 174 %p = catchpad within %cs [ptr null, i32 64, ptr null] 175 catchret from %p to label %cont 176} 177 178; CHECK-LABEL: _use_CxxFrameHandler3: 179; CHECK: pushl %ebp 180; CHECK-NEXT: movl %esp, %ebp 181; CHECK-NEXT: pushl %ebx 182; CHECK-NEXT: pushl %edi 183; CHECK-NEXT: pushl %esi 184; CHECK-NEXT: subl ${{[0-9]+}}, %esp 185; CHECK-NEXT: movl %esp, -28(%ebp) 186; CHECK-NEXT: movl $-1, -16(%ebp) 187; CHECK-NEXT: leal -24(%ebp), %[[node:[^ ,]*]] 188; CHECK-NEXT: movl $___ehhandler$use_CxxFrameHandler3, -20(%ebp) 189; CHECK-NEXT: movl %fs:0, %[[next:[^ ,]*]] 190; CHECK-NEXT: movl %[[next]], -24(%ebp) 191; CHECK-NEXT: movl %[[node]], %fs:0 192; CHECK-NEXT: movl $0, -16(%ebp) 193; CHECK-NEXT: calll _may_throw_or_crash 194; CHECK: movl -24(%ebp), %[[next:[^ ,]*]] 195; CHECK-NEXT: movl %[[next]], %fs:0 196; CHECK: retl 197 198; CHECK: .section .xdata,"dr" 199; CHECK-NEXT: .p2align 2 200; CHECK-LABEL: L__ehtable$use_CxxFrameHandler3: 201; CHECK-NEXT: .long 429065506 202; CHECK-NEXT: .long 2 203; CHECK-NEXT: .long ($stateUnwindMap$use_CxxFrameHandler3) 204; CHECK-NEXT: .long 1 205; CHECK-NEXT: .long ($tryMap$use_CxxFrameHandler3) 206; CHECK-NEXT: .long 0 207; CHECK-NEXT: .long 0 208; CHECK-NEXT: .long 0 209; CHECK-NEXT: .long 1 210 211; CHECK-LABEL: ___ehhandler$use_CxxFrameHandler3: 212; CHECK: movl $L__ehtable$use_CxxFrameHandler3, %eax 213; CHECK-NEXT: jmp ___CxxFrameHandler3 # TAILCALL 214 215; CHECK: .safeseh __except_handler3 216; CHECK-NEXT: .safeseh __except_handler4 217; CHECK-NEXT: .safeseh ___ehhandler$use_CxxFrameHandler3 218