| ; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck %s |
| |
| declare void @may_throw_or_crash() |
| declare i32 @_except_handler3(...) |
| declare i32 @_except_handler4(...) |
| declare i32 @__CxxFrameHandler3(...) |
| declare void @llvm.eh.begincatch(i8*, i8*) |
| declare void @llvm.eh.endcatch() |
| declare i32 @llvm.eh.typeid.for(i8*) |
| |
| define internal i32 @catchall_filt() { |
| ret i32 1 |
| } |
| |
| define void @use_except_handler3() personality i32 (...)* @_except_handler3 { |
| entry: |
| invoke void @may_throw_or_crash() |
| to label %cont unwind label %catchall |
| cont: |
| ret void |
| catchall: |
| %0 = landingpad { i8*, i32 } |
| catch i8* bitcast (i32 ()* @catchall_filt to i8*) |
| %1 = extractvalue { i8*, i32 } %0, 1 |
| %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @catchall_filt to i8*)) #4 |
| %matches = icmp eq i32 %1, %2 |
| br i1 %matches, label %cont, label %eh.resume |
| eh.resume: |
| resume { i8*, i32 } %0 |
| } |
| |
| ; CHECK-LABEL: _use_except_handler3: |
| ; CHECK: pushl %ebp |
| ; CHECK: movl %esp, %ebp |
| ; CHECK: pushl %ebx |
| ; CHECK: pushl %edi |
| ; CHECK: pushl %esi |
| ; CHECK: subl ${{[0-9]+}}, %esp |
| ; CHECK: movl $-1, -16(%ebp) |
| ; CHECK: movl $L__ehtable$use_except_handler3, -20(%ebp) |
| ; CHECK: leal -28(%ebp), %[[node:[^ ,]*]] |
| ; CHECK: movl $__except_handler3, -24(%ebp) |
| ; CHECK: movl %fs:0, %[[next:[^ ,]*]] |
| ; CHECK: movl %[[next]], -28(%ebp) |
| ; CHECK: movl %[[node]], %fs:0 |
| ; CHECK: calll _may_throw_or_crash |
| ; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] |
| ; CHECK: movl %[[next]], %fs:0 |
| ; CHECK: retl |
| |
| ; CHECK: .section .xdata,"dr" |
| ; CHECK-LABEL: L__ehtable$use_except_handler3: |
| ; CHECK-NEXT: .long -1 |
| ; CHECK-NEXT: .long _catchall_filt |
| ; CHECK-NEXT: .long Ltmp{{[0-9]+}} |
| |
| define void @use_except_handler4() personality i32 (...)* @_except_handler4 { |
| entry: |
| invoke void @may_throw_or_crash() |
| to label %cont unwind label %catchall |
| cont: |
| ret void |
| catchall: |
| %0 = landingpad { i8*, i32 } |
| catch i8* bitcast (i32 ()* @catchall_filt to i8*) |
| %1 = extractvalue { i8*, i32 } %0, 1 |
| %2 = call i32 @llvm.eh.typeid.for(i8* bitcast (i32 ()* @catchall_filt to i8*)) #4 |
| %matches = icmp eq i32 %1, %2 |
| br i1 %matches, label %cont, label %eh.resume |
| eh.resume: |
| resume { i8*, i32 } %0 |
| } |
| |
| ; CHECK-LABEL: _use_except_handler4: |
| ; CHECK: pushl %ebp |
| ; CHECK: movl %esp, %ebp |
| ; CHECK: subl ${{[0-9]+}}, %esp |
| ; CHECK: movl %esp, -36(%ebp) |
| ; CHECK: movl $-2, -16(%ebp) |
| ; CHECK: movl $L__ehtable$use_except_handler4, %[[lsda:[^ ,]*]] |
| ; CHECK: xorl ___security_cookie, %[[lsda]] |
| ; CHECK: movl %[[lsda]], -20(%ebp) |
| ; CHECK: leal -28(%ebp), %[[node:[^ ,]*]] |
| ; CHECK: movl $__except_handler4, -24(%ebp) |
| ; CHECK: movl %fs:0, %[[next:[^ ,]*]] |
| ; CHECK: movl %[[next]], -28(%ebp) |
| ; CHECK: movl %[[node]], %fs:0 |
| ; CHECK: calll _may_throw_or_crash |
| ; CHECK: movl -28(%ebp), %[[next:[^ ,]*]] |
| ; CHECK: movl %[[next]], %fs:0 |
| ; CHECK: retl |
| |
| ; CHECK: .section .xdata,"dr" |
| ; CHECK-LABEL: L__ehtable$use_except_handler4: |
| ; CHECK-NEXT: .long -2 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 9999 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long -2 |
| ; CHECK-NEXT: .long _catchall_filt |
| ; CHECK-NEXT: .long Ltmp{{[0-9]+}} |
| |
| define void @use_CxxFrameHandler3() personality i32 (...)* @__CxxFrameHandler3 { |
| invoke void @may_throw_or_crash() |
| to label %cont unwind label %catchall |
| cont: |
| ret void |
| catchall: |
| %ehvals = landingpad { i8*, i32 } |
| catch i8* null |
| %ehptr = extractvalue { i8*, i32 } %ehvals, 0 |
| call void @llvm.eh.begincatch(i8* %ehptr, i8* null) |
| call void @llvm.eh.endcatch() |
| br label %cont |
| } |
| |
| ; CHECK-LABEL: _use_CxxFrameHandler3: |
| ; CHECK: pushl %ebp |
| ; CHECK: movl %esp, %ebp |
| ; CHECK: subl ${{[0-9]+}}, %esp |
| ; CHECK: movl %esp, -28(%ebp) |
| ; CHECK: movl $-1, -16(%ebp) |
| ; CHECK: leal -24(%ebp), %[[node:[^ ,]*]] |
| ; CHECK: movl $___ehhandler$use_CxxFrameHandler3, -20(%ebp) |
| ; CHECK: movl %fs:0, %[[next:[^ ,]*]] |
| ; CHECK: movl %[[next]], -24(%ebp) |
| ; CHECK: movl %[[node]], %fs:0 |
| ; CHECK: movl $0, -16(%ebp) |
| ; CHECK: calll _may_throw_or_crash |
| ; CHECK: movl -24(%ebp), %[[next:[^ ,]*]] |
| ; CHECK: movl %[[next]], %fs:0 |
| ; CHECK: retl |
| |
| ; CHECK: .section .xdata,"dr" |
| ; CHECK: .align 4 |
| ; CHECK-LABEL: L__ehtable$use_CxxFrameHandler3: |
| ; CHECK-NEXT: .long 429065506 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long ($stateUnwindMap$use_CxxFrameHandler3) |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long ($tryMap$use_CxxFrameHandler3) |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 1 |
| |
| ; CHECK-LABEL: ___ehhandler$use_CxxFrameHandler3: |
| ; CHECK: movl $L__ehtable$use_CxxFrameHandler3, %eax |
| ; CHECK: jmp ___CxxFrameHandler3 # TAILCALL |
| |
| ; CHECK: .safeseh __except_handler3 |
| ; CHECK: .safeseh __except_handler4 |
| ; CHECK: .safeseh ___ehhandler$use_CxxFrameHandler3 |