| ; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s --check-prefix=X86_64 |
| ; RUN: llc -mtriple=i386-unknown-unknown < %s | FileCheck %s --check-prefix=X86 |
| ; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -verify-machineinstrs=0 < %s | FileCheck %s --check-prefix=SJLJ |
| ; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -verify-machineinstrs=0 < %s | FileCheck %s --check-prefix=NUM |
| |
| ; X86_64: test_eh: # @test_eh |
| ; X86_64-NEXT: .Lfunc_begin0: |
| ; X86_64: # %bb.0: # %entry |
| ; X86_64-NEXT: endbr64 |
| ; X86_64-NEXT: pushq %rax |
| ; X86_64: .Ltmp0: |
| ; X86_64-NEXT: callq _Z20function_that_throwsv |
| ; X86_64-NEXT: .Ltmp1: |
| ; X86_64-NEXT: # %bb.1: # %try.cont |
| ; X86_64: retq |
| ; X86_64-NEXT: .LBB0_2: # %lpad |
| ; X86_64-NEXT: .cfi_def_cfa_offset 16 |
| ; X86_64-NEXT: .Ltmp2: |
| ; X86_64-NEXT: endbr64 |
| ; X86_64: callq __cxa_begin_catch |
| |
| |
| ; X86: test_eh: # @test_eh |
| ; X86-NEXT: .Lfunc_begin0: |
| ; X86: # %bb.0: # %entry |
| ; X86-NEXT: endbr32 |
| ; X86-NEXT: .Ltmp0: |
| ; X86: calll _Z20function_that_throwsv |
| ; X86-NEXT: .Ltmp1: |
| ; X86-NEXT: # %bb.1: # %try.cont |
| ; X86-NEXT: retl |
| ; X86-NEXT: .LBB0_2: # %lpad |
| ; X86-NEXT: .Ltmp2: |
| ; X86-NEXT: endbr32 |
| ; X86: calll __cxa_begin_catch |
| |
| ; NUM-COUNT-3: endbr32 |
| |
| ; SJLJ: test_eh: |
| ; SJLJ-NEXT: Lfunc_begin0: |
| ; SJLJ-NEXT: # %bb.0: # %entry |
| ; SJLJ-NEXT: endbr32 |
| ; SJLJ: calll __Unwind_SjLj_Register |
| ; SJLJ: Ltmp0: |
| ; SJLJ: calll __Z20function_that_throwsv |
| ; SJLJ: LBB0_2: # %try.cont |
| ; SJLJ: calll __Unwind_SjLj_Unregister |
| ; SJLJ: retl |
| |
| ; SJLJ: LBB0_3: |
| ; SJLJ-NEXT: endbr32 |
| ; SJLJ-NEXT: leal |
| ; SJLJ-NEXT: movl |
| ; SJLJ-NEXT: cmpl |
| ; SJLJ-NEXT: jb LBB0_4 |
| |
| ; SJLJ: LBB0_4: |
| ; SJLJ-NEXT: jmpl *LJTI0_0(,%eax,4) |
| |
| ; SJLJ: LBB0_6: # %lpad |
| ; SJLJ-NEXT: Ltmp2: |
| ; SJLJ-NEXT: endbr32 |
| ; SJLJ: calll ___cxa_begin_catch |
| ; SJLJ: jmp LBB0_2 |
| ; SJLJ: LJTI0_0: |
| ; SJLJ-NEXT: .long LBB0_6 |
| |
| |
| |
| declare void @_Z20function_that_throwsv() |
| declare i32 @__gxx_personality_sj0(...) |
| declare i8* @__cxa_begin_catch(i8*) |
| declare void @__cxa_end_catch() |
| |
| define void @test_eh() 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 |
| } |
| |
| !llvm.module.flags = !{!0} |
| |
| !0 = !{i32 4, !"cf-protection-branch", i32 1} |