; RUN: llc -mtriple=i686-pc-windows-msvc < %s | FileCheck --check-prefix=X86 %s ; RUN: llc -mtriple=x86_64-pc-windows-msvc < %s | FileCheck --check-prefix=X64 %s ; Loosely based on IR for this C++ source code: ; void f(int p); ; int main() { ; try { ; f(1); ; } catch (int e) { ; f(e); ; } catch (...) { ; f(3); ; } ; } %rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } %eh.CatchableType = type { i32, i8*, i32, i32, i32, i32, i8* } %eh.CatchableTypeArray.1 = type { i32, [1 x %eh.CatchableType*] } %eh.ThrowInfo = type { i32, i8*, i8*, i8* } $"\01??_R0H@8" = comdat any @"\01??_7type_info@@6B@" = external constant i8* @"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat declare void @f(i32 %p, i32* %l) declare i32 @__CxxFrameHandler3(...) define i32 @try_catch_catch() personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { entry: %e.addr = alloca i32 %local = alloca i32 invoke void @f(i32 1, i32* %local) to label %try.cont unwind label %catch.dispatch catch.dispatch: ; preds = %entry %0 = catchpad [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %e.addr] to label %catch unwind label %catch.dispatch.2 catch: ; preds = %catch.dispatch %e = load i32, i32* %e.addr invoke void @f(i32 %e, i32* %local) to label %invoke.cont.2 unwind label %catchendblock invoke.cont.2: ; preds = %catch catchret %0 to label %try.cont catch.dispatch.2: ; preds = %catch.dispatch %1 = catchpad [i8* null, i32 u0x40, i8* null] to label %catch.2 unwind label %catchendblock catch.2: ; preds = %catch.dispatch.2 invoke void @f(i32 3, i32* %local) to label %invoke.cont.3 unwind label %catchendblock invoke.cont.3: ; preds = %catch.2 catchret %1 to label %try.cont try.cont: ; preds = %entry, %invoke.cont.2, %invoke.cont.3 ret i32 0 catchendblock: ; preds = %catch, %catch.2, %catch.dispatch.2 catchendpad unwind to caller } ; X86-LABEL: _try_catch_catch: ; X86: movl $0, -{{[0-9]+}}(%ebp) ; X86: leal -[[local_offs:[0-9]+]](%ebp), %[[addr_reg:[a-z]+]] ; X86-DAG: movl %[[addr_reg]], 4(%esp) ; X86-DAG: movl $1, (%esp) ; X86: calll _f ; X86: [[contbb:LBB0_[0-9]+]]: # %try.cont ; X86: retl ; X86: [[restorebb:LBB0_[0-9]+]]: # %invoke.cont.3 ; X86: movl -16(%ebp), %esp ; X86: addl $12, %ebp ; X86: jmp [[contbb]] ; X86: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA": ; X86: LBB0_[[catch1bb]]: # %catch{{$}} ; X86: pushl %ebp ; X86: addl $12, %ebp ; X86: subl $8, %esp ; X86: movl -32(%ebp), %[[e_reg:[a-z]+]] ; X86: movl $1, -{{[0-9]+}}(%ebp) ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]] ; X86-DAG: movl %[[addr_reg]], 4(%esp) ; X86-DAG: movl %[[e_reg]], (%esp) ; X86: calll _f ; X86-NEXT: addl $8, %esp ; X86-NEXT: popl %ebp ; X86-NEXT: movl $[[restorebb]], %eax ; X86-NEXT: retl ; X86: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA": ; X86: LBB0_[[catch2bb]]: # %catch.2{{$}} ; X86: pushl %ebp ; X86: addl $12, %ebp ; X86: subl $8, %esp ; X86: movl $1, -{{[0-9]+}}(%ebp) ; X86: leal -[[local_offs]](%ebp), %[[addr_reg:[a-z]+]] ; X86-DAG: movl %[[addr_reg]], 4(%esp) ; X86-DAG: movl $3, (%esp) ; X86: calll _f ; X86-NEXT: addl $8, %esp ; X86-NEXT: popl %ebp ; X86-NEXT: movl $[[restorebb]], %eax ; X86-NEXT: retl ; X86: L__ehtable$try_catch_catch: ; X86: $handlerMap$0$try_catch_catch: ; X86-NEXT: .long 0 ; X86-NEXT: .long "??_R0H@8" ; X86-NEXT: .long -20 ; X86-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA" ; X86-NEXT: .long 64 ; X86-NEXT: .long 0 ; X86-NEXT: .long 0 ; X86-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA" ; X64-LABEL: try_catch_catch: ; X64: Lfunc_begin0: ; X64: pushq %rbp ; X64: .seh_pushreg 5 ; X64: subq $48, %rsp ; X64: .seh_stackalloc 48 ; X64: leaq 48(%rsp), %rbp ; X64: .seh_setframe 5, 48 ; X64: .Ltmp0 ; X64-DAG: leaq -[[local_offs:[0-9]+]](%rbp), %rdx ; X64-DAG: movl $1, %ecx ; X64: callq f ; X64: [[contbb:\.LBB0_[0-9]+]]: # %try.cont ; X64: addq $48, %rsp ; X64: popq %rbp ; X64: retq ; X64: "?catch$[[catch1bb:[0-9]+]]@?0?try_catch_catch@4HA": ; X64: LBB0_[[catch1bb]]: # %catch{{$}} ; X64: movq %rdx, 16(%rsp) ; X64: pushq %rbp ; X64: movq %rdx, %rbp ; X64: subq $32, %rsp ; X64-DAG: .Ltmp4 ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx ; X64-DAG: movl [[e_addr:[-0-9]+]](%rbp), %ecx ; X64: callq f ; X64: addq $32, %rsp ; X64-NEXT: popq %rbp ; X64-NEXT: leaq [[contbb]](%rip), %rax ; X64-NEXT: retq ; X64: "?catch$[[catch2bb:[0-9]+]]@?0?try_catch_catch@4HA": ; X64: LBB0_[[catch2bb]]: # %catch.2{{$}} ; X64: movq %rdx, 16(%rsp) ; X64: pushq %rbp ; X64: movq %rdx, %rbp ; X64: subq $32, %rsp ; X64-DAG: leaq -[[local_offs]](%rbp), %rdx ; X64-DAG: movl $3, %ecx ; X64: callq f ; X64: .Ltmp3 ; X64: addq $32, %rsp ; X64-NEXT: popq %rbp ; X64-NEXT: leaq [[contbb]](%rip), %rax ; X64-NEXT: retq ; X64: $cppxdata$try_catch_catch: ; X64-NEXT: .long 429065506 ; X64-NEXT: .long 2 ; X64-NEXT: .long ($stateUnwindMap$try_catch_catch)@IMGREL ; X64-NEXT: .long 1 ; X64-NEXT: .long ($tryMap$try_catch_catch)@IMGREL ; X64-NEXT: .long 4 ; X64-NEXT: .long ($ip2state$try_catch_catch)@IMGREL ; X64-NEXT: .long 32 ; X64-NEXT: .long 0 ; X64-NEXT: .long 1 ; X64: $tryMap$try_catch_catch: ; X64-NEXT: .long 0 ; X64-NEXT: .long 0 ; X64-NEXT: .long 1 ; X64-NEXT: .long 2 ; X64-NEXT: .long ($handlerMap$0$try_catch_catch)@IMGREL ; X64: $handlerMap$0$try_catch_catch: ; X64-NEXT: .long 0 ; X64-NEXT: .long "??_R0H@8"@IMGREL ; FIXME: This should probably be offset from rsp, not rbp. ; X64-NEXT: .long [[e_addr]] ; X64-NEXT: .long "?catch$[[catch1bb]]@?0?try_catch_catch@4HA"@IMGREL ; X64-NEXT: .long 56 ; X64-NEXT: .long 64 ; X64-NEXT: .long 0 ; X64-NEXT: .long 0 ; X64-NEXT: .long "?catch$[[catch2bb]]@?0?try_catch_catch@4HA"@IMGREL ; X64-NEXT: .long 56 ; X64: $ip2state$try_catch_catch: ; X64-NEXT: .long .Lfunc_begin0@IMGREL ; X64-NEXT: .long -1 ; X64-NEXT: .long .Ltmp0@IMGREL ; X64-NEXT: .long 0 ; X64-NEXT: .long .Ltmp4@IMGREL ; X64-NEXT: .long 1 ; X64-NEXT: .long .Ltmp3@IMGREL+1 ; X64-NEXT: .long -1