; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -filetype asm -o - %s | FileCheck %s ; RUN: llc -mtriple x86_64-windows-gnu -exception-model sjlj -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-X64 ; RUN: llc -mtriple x86_64-linux -exception-model sjlj -filetype asm -o - %s | FileCheck %s -check-prefix CHECK-X64-LINUX declare void @_Z20function_that_throwsv() declare i32 @__gxx_personality_sj0(...) declare i8* @__cxa_begin_catch(i8*) declare void @__cxa_end_catch() define void @_Z8functionv() personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) { entry: invoke void @_Z20function_that_throwsv() to label %try.cont unwind label %lpad lpad: %0 = landingpad { i8*, i32 } catch i8* null %1 = extractvalue { i8*, i32 } %0, 0 %2 = tail call i8* @__cxa_begin_catch(i8* %1) tail call void @__cxa_end_catch() br label %try.cont try.cont: ret void } ; struct _Unwind_FunctionContext { ; +00 struct _Unwind_FunctionContext *prev; -64(%ebp) ; +04 uint32_t __callsite; -60(%ebp) ; +08 uint32_t __buffer[4]; -56(%ebp) ; +24 __personality_routine __personality; -40(%ebp) ; +28 uintptr_t __lsda; -36(%ebp) ; +32 void *__jbuf[]; -32(%ebp) ; }; ; CHECK-LABEL: __Z8functionv: ; struct _Unwind_FunctionContext UFC; ; ; UFC.__personality = __gxx_personality_sj0 ; CHECK: movl $___gxx_personality_sj0, -40(%ebp) ; UFC.__lsda = $LSDA ; CHECK: movl $[[LSDA:GCC_except_table[0-9]+]], -36(%ebp) ; UFC.__jbuf[0] = $ebp ; CHECK: movl %ebp, -32(%ebp) ; UFC.__jbuf[2] = $esp ; CHECK: movl %esp, -24(%ebp) ; UFC.__jbuf[1] = $EIP ; CHECK: movl $[[RESUME:LBB[0-9]+_[0-9]+]], -28(%ebp) ; UFC.__callsite = 1 ; CHECK: movl $1, -60(%ebp) ; _Unwind_SjLj_Register(&UFC); ; CHECK: leal -64(%ebp), %eax ; CHECK: pushl %eax ; CHECK: calll __Unwind_SjLj_Register ; CHECK: addl $4, %esp ; function_that_throws(); ; CHECK: calll __Z20function_that_throwsv ; _Unwind_SjLj_Unregister(&UFC); ; CHECK: leal -64(%ebp), %eax ; CHECK: calll __Unwind_SjLj_Unregister ; ; CHECK: [[RESUME]]: ; CHECK: leal -64(%ebp), %esi ; assert(UFC.__callsite < 1); ; CHECK: movl -60(%ebp), %eax ; CHECK: cmpl $1, %eax ; CHECK: jb [[CONT:LBB[0-9]+_[0-9]+]] ; CHECK: ud2 ; CHECK: [[CONT]]: ; *Handlers[UFC.__callsite] ; CHECK: jmpl *LJTI ; struct _Unwind_FunctionContext { ; +00 struct _Unwind_FunctionContext *prev; -312(%rbp) ; +08 uint32_t __callsite; -304(%rbp) ; +12 uint32_t __buffer[4]; -300(%rbp) ; +32 __personality_routine __personality; -280(%rbp) ; +40 uintptr_t __lsda; -272(%rbp) ; +48 void *__jbuf[]; -264(%rbp) ; }; ; CHECK-X64-LABEL: _Z8functionv: ; struct _Unwind_FunctionContext UFC; ; ; UFC.__personality = __gxx_personality_sj0 ; CHECK-X64: leaq __gxx_personality_sj0(%rip), %rax ; CHECK-X64: movq %rax, -280(%rbp) ; UFC.__lsda = $LSDA ; CHECK-X64: leaq [[LSDA:GCC_except_table[0-9]+]](%rip), %rax ; CHECK-X64: movq %rax, -272(%rbp) ; UFC.__jbuf[0] = $rbp ; CHECK-X64: movq %rbp, -264(%rbp) ; UFC.__jbuf[2] = $rsp ; CHECK-X64: movq %rsp, -248(%rbp) ; UFC.__jbuf[1] = $RIP ; CHECK-X64: leaq .[[RESUME:LBB[0-9]+_[0-9]+]](%rip), %rax ; CHECK-X64: movq %rax, -256(%rbp) ; UFC.__callsite = 1 ; CHECK-X64: movl $1, -304(%rbp) ; _Unwind_SjLj_Register(&UFC); ; CHECK-X64: leaq -312(%rbp), %rcx ; CHECK-X64: callq _Unwind_SjLj_Register ; function_that_throws(); ; CHECK-X64: callq _Z20function_that_throwsv ; _Unwind_SjLj_Unregister(&UFC); ; CHECK-X64: leaq -312(%rbp), %rcx ; CHECK-X64: callq _Unwind_SjLj_Unregister ; ; CHECK-X64: [[RESUME]]: ; assert(UFC.__callsite < 1); ; CHECK-X64: movl -304(%rbp), %eax ; CHECK-X64: cmpl $1, %eax ; CHECK-X64: jb .[[CONT:LBB[0-9]+_[0-9]+]] ; CHECK-X64: ud2 ; CHECK-X64: [[CONT]]: ; *Handlers[UFC.__callsite] ; CHECK-X64: leaq .[[TABLE:LJTI[0-9]+_[0-9]+]](%rip), %rcx ; CHECK-X64: movl (%rcx,%rax,4), %eax ; CHECK-X64: cltq ; CHECK-X64: addq %rcx, %rax ; CHECK-X64: jmpq *%rax ; CHECK-X64-LINUX: .[[RESUME:LBB[0-9]+_[0-9]+]]: ; assert(UFC.__callsite < 1); ; CHECK-X64-LINUX: movl -120(%rbp), %eax ; CHECK-X64-LINUX: cmpl $1, %eax ; CHECK-X64-LINUX: jb .[[CONT:LBB[0-9]+_[0-9]+]] ; CHECK-X64-LINUX: ud2 ; CHECK-X64-LINUX: [[CONT]]: ; *Handlers[UFC.__callsite] ; CHECK-X64-LINUX: leaq .[[TABLE:LJTI[0-9]+_[0-9]+]](%rip), %rcx ; CHECK-X64-LINUX: jmpq *(%rcx,%rax,8)