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 void @llvm.eh.begincatch(i8*, i8*) 8declare void @llvm.eh.endcatch() 9declare i32 @llvm.eh.typeid.for(i8*) 10 11define internal i32 @catchall_filt() { 12 ret i32 1 13} 14 15define void @use_except_handler3() personality i32 (...)* @_except_handler3 { 16entry: 17 invoke void @may_throw_or_crash() 18 to label %cont unwind label %lpad 19cont: 20 ret void 21lpad: 22 %cs = catchswitch within none [label %catch] unwind to caller 23catch: 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 54define void @use_except_handler4() personality i32 (...)* @_except_handler4 { 55entry: 56 invoke void @may_throw_or_crash() 57 to label %cont unwind label %lpad 58cont: 59 ret void 60lpad: 61 %cs = catchswitch within none [label %catch] unwind to caller 62catch: 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 97define void @use_except_handler4_ssp() sspstrong personality i32 (...)* @_except_handler4 { 98entry: 99 invoke void @may_throw_or_crash() 100 to label %cont unwind label %lpad 101cont: 102 ret void 103lpad: 104 %cs = catchswitch within none [label %catch] unwind to caller 105catch: 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 143define void @use_CxxFrameHandler3() personality i32 (...)* @__CxxFrameHandler3 { 144 invoke void @may_throw_or_crash() 145 to label %cont unwind label %catchall 146cont: 147 ret void 148 149catchall: 150 %cs = catchswitch within none [label %catch] unwind to caller 151catch: 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