| ; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -filetype=asm < %s | \ |
| ; RUN: FileCheck --check-prefixes=ASM,ULEB128 %s |
| ; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -use-leb128-directives=true -filetype=asm < %s | \ |
| ; RUN: FileCheck --check-prefixes=ASM,ULEB128 %s |
| ; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -use-leb128-directives=false -filetype=asm < %s | \ |
| ; RUN: FileCheck --check-prefixes=ASM,NO128 %s |
| |
| @_ZTIi = external dso_local constant ptr |
| |
| define dso_local i32 @main() personality ptr @__gxx_personality_v0 { |
| entry: |
| %retval = alloca i32, align 4 |
| %exn.slot = alloca ptr, align 8 |
| %ehselector.slot = alloca i32, align 4 |
| store i32 0, ptr %retval, align 4 |
| %exception = call ptr @__cxa_allocate_exception(i64 4) #1 |
| store i32 1, ptr %exception, align 16 |
| invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #2 |
| to label %unreachable unwind label %lpad |
| |
| lpad: ; preds = %entry |
| %0 = landingpad { ptr, i32 } |
| catch ptr null |
| %1 = extractvalue { ptr, i32 } %0, 0 |
| store ptr %1, ptr %exn.slot, align 8 |
| %2 = extractvalue { ptr, i32 } %0, 1 |
| store i32 %2, ptr %ehselector.slot, align 4 |
| br label %catch |
| |
| catch: ; preds = %lpad |
| %exn = load ptr, ptr %exn.slot, align 8 |
| %3 = call ptr @__cxa_begin_catch(ptr %exn) #1 |
| store i32 2, ptr %retval, align 4 |
| call void @__cxa_end_catch() |
| br label %return |
| |
| try.cont: ; No predecessors! |
| store i32 1, ptr %retval, align 4 |
| br label %return |
| |
| return: ; preds = %try.cont, %catch |
| %4 = load i32, ptr %retval, align 4 |
| ret i32 %4 |
| |
| unreachable: ; preds = %entry |
| unreachable |
| } |
| |
| ; ASM: GCC_except_table0: |
| ; ASM: .Lexception0: |
| ; ASM: .byte 255 # @LPStart Encoding = omit |
| ; ASM: .byte 3 # @TType Encoding = udata4 |
| |
| ; NO128: .byte 49 |
| ; NO128: .byte 3 # Call site Encoding = udata4 |
| ; NO128: .byte 39 |
| ; NO128: .long .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 << |
| ; NO128: .long .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0 |
| ; NO128: .long 0 # has no landing pad |
| ; NO128: .byte 0 # On action: cleanup |
| ; NO128: .long .Ltmp0-.Lfunc_begin0 # >> Call Site 2 << |
| ; NO128: .long .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1 |
| ; NO128: .long .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2 |
| ; NO128: .byte 1 # On action: 1 |
| ; NO128: .long .Ltmp1-.Lfunc_begin0 # >> Call Site 3 << |
| ; NO128: .long .Lfunc_end0-.Ltmp1 # Call between .Ltmp1 and .Lfunc_end0 |
| ; NO128: .long 0 # has no landing pad |
| ; NO128: .byte 0 # On action: cleanup |
| |
| ; ULEB128: .uleb128 .Lttbase0-.Lttbaseref0 |
| ; ULEB128: .Lttbaseref0: |
| ; ULEB128: .byte 1 # Call site Encoding = uleb128 |
| ; ULEB128: .uleb128 .Lcst_end0-.Lcst_begin0 |
| ; ULEB128: .Lcst_begin0: |
| ; ULEB128: .uleb128 .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 << |
| ; ULEB128: .uleb128 .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0 |
| ; ULEB128: .byte 0 # has no landing pad |
| ; ULEB128: .byte 0 # On action: cleanup |
| ; ULEB128: .uleb128 .Ltmp0-.Lfunc_begin0 # >> Call Site 2 << |
| ; ULEB128: .uleb128 .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1 |
| ; ULEB128: .uleb128 .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2 |
| ; ULEB128: .byte 1 # On action: 1 |
| ; ULEB128: .uleb128 .Ltmp1-.Lfunc_begin0 # >> Call Site 3 << |
| ; ULEB128: .uleb128 .Lfunc_end0-.Ltmp1 # Call between .Ltmp1 and .Lfunc_end0 |
| ; ULEB128: .byte 0 # has no landing pad |
| ; ULEB128: .byte 0 # On action: cleanup |
| |
| ; ASM: .Lcst_end0: |
| ; ASM: .byte 1 # >> Action Record 1 << |
| ; ASM: # Catch TypeInfo 1 |
| ; ASM: .byte 0 # No further actions |
| ; ASM: .p2align 2 |
| ; ASM: # >> Catch TypeInfos << |
| ; ASM: .long 0 # TypeInfo 1 |
| ; ASM: .Lttbase0: |
| ; ASM: .p2align 2 |
| |
| declare dso_local ptr @__cxa_allocate_exception(i64) |
| declare dso_local void @__cxa_throw(ptr, ptr, ptr) |
| declare dso_local i32 @__gxx_personality_v0(...) |
| declare dso_local ptr @__cxa_begin_catch(ptr) |
| declare dso_local void @__cxa_end_catch() |
