1; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -filetype=asm < %s | \ 2; RUN: FileCheck --check-prefixes=ASM,ULEB128 %s 3; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -use-leb128-directives=true -filetype=asm < %s | \ 4; RUN: FileCheck --check-prefixes=ASM,ULEB128 %s 5; RUN: llc -verify-machineinstrs -mtriple x86_64-pc-linux-gnu -use-leb128-directives=false -filetype=asm < %s | \ 6; RUN: FileCheck --check-prefixes=ASM,NO128 %s 7 8@_ZTIi = external dso_local constant ptr 9 10define dso_local i32 @main() personality ptr @__gxx_personality_v0 { 11entry: 12 %retval = alloca i32, align 4 13 %exn.slot = alloca ptr, align 8 14 %ehselector.slot = alloca i32, align 4 15 store i32 0, ptr %retval, align 4 16 %exception = call ptr @__cxa_allocate_exception(i64 4) #1 17 store i32 1, ptr %exception, align 16 18 invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #2 19 to label %unreachable unwind label %lpad 20 21lpad: ; preds = %entry 22 %0 = landingpad { ptr, i32 } 23 catch ptr null 24 %1 = extractvalue { ptr, i32 } %0, 0 25 store ptr %1, ptr %exn.slot, align 8 26 %2 = extractvalue { ptr, i32 } %0, 1 27 store i32 %2, ptr %ehselector.slot, align 4 28 br label %catch 29 30catch: ; preds = %lpad 31 %exn = load ptr, ptr %exn.slot, align 8 32 %3 = call ptr @__cxa_begin_catch(ptr %exn) #1 33 store i32 2, ptr %retval, align 4 34 call void @__cxa_end_catch() 35 br label %return 36 37try.cont: ; No predecessors! 38 store i32 1, ptr %retval, align 4 39 br label %return 40 41return: ; preds = %try.cont, %catch 42 %4 = load i32, ptr %retval, align 4 43 ret i32 %4 44 45unreachable: ; preds = %entry 46 unreachable 47} 48 49; ASM: GCC_except_table0: 50; ASM: .Lexception0: 51; ASM: .byte 255 # @LPStart Encoding = omit 52; ASM: .byte 3 # @TType Encoding = udata4 53 54; NO128: .byte 49 55; NO128: .byte 3 # Call site Encoding = udata4 56; NO128: .byte 39 57; NO128: .long .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 << 58; NO128: .long .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0 59; NO128: .long 0 # has no landing pad 60; NO128: .byte 0 # On action: cleanup 61; NO128: .long .Ltmp0-.Lfunc_begin0 # >> Call Site 2 << 62; NO128: .long .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1 63; NO128: .long .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2 64; NO128: .byte 1 # On action: 1 65; NO128: .long .Ltmp1-.Lfunc_begin0 # >> Call Site 3 << 66; NO128: .long .Lfunc_end0-.Ltmp1 # Call between .Ltmp1 and .Lfunc_end0 67; NO128: .long 0 # has no landing pad 68; NO128: .byte 0 # On action: cleanup 69 70; ULEB128: .uleb128 .Lttbase0-.Lttbaseref0 71; ULEB128: .Lttbaseref0: 72; ULEB128: .byte 1 # Call site Encoding = uleb128 73; ULEB128: .uleb128 .Lcst_end0-.Lcst_begin0 74; ULEB128: .Lcst_begin0: 75; ULEB128: .uleb128 .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 << 76; ULEB128: .uleb128 .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0 77; ULEB128: .byte 0 # has no landing pad 78; ULEB128: .byte 0 # On action: cleanup 79; ULEB128: .uleb128 .Ltmp0-.Lfunc_begin0 # >> Call Site 2 << 80; ULEB128: .uleb128 .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1 81; ULEB128: .uleb128 .Ltmp2-.Lfunc_begin0 # jumps to .Ltmp2 82; ULEB128: .byte 1 # On action: 1 83; ULEB128: .uleb128 .Ltmp1-.Lfunc_begin0 # >> Call Site 3 << 84; ULEB128: .uleb128 .Lfunc_end0-.Ltmp1 # Call between .Ltmp1 and .Lfunc_end0 85; ULEB128: .byte 0 # has no landing pad 86; ULEB128: .byte 0 # On action: cleanup 87 88; ASM: .Lcst_end0: 89; ASM: .byte 1 # >> Action Record 1 << 90; ASM: # Catch TypeInfo 1 91; ASM: .byte 0 # No further actions 92; ASM: .p2align 2 93; ASM: # >> Catch TypeInfos << 94; ASM: .long 0 # TypeInfo 1 95; ASM: .Lttbase0: 96; ASM: .p2align 2 97 98declare dso_local ptr @__cxa_allocate_exception(i64) 99declare dso_local void @__cxa_throw(ptr, ptr, ptr) 100declare dso_local i32 @__gxx_personality_v0(...) 101declare dso_local ptr @__cxa_begin_catch(ptr) 102declare dso_local void @__cxa_end_catch() 103