1; RUN: llc %s -o - | FileCheck %s 2 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-unknown-linux-gnu" 5 6$__clang_call_terminate = comdat any 7 8@_ZL11ShouldThrow = internal unnamed_addr global i1 false, align 1 9@_ZTIi = external constant ptr 10@str = private unnamed_addr constant [20 x i8] c"Threw an exception!\00" 11 12; Function Attrs: uwtable 13define void @_Z6throwsv() personality ptr @__gxx_personality_v0 { 14 15; CHECK-LABEL: _Z6throwsv: 16; CHECK: popq %rbx 17; CHECK-NEXT: .cfi_def_cfa_offset 8 18; CHECK-NEXT: retq 19; CHECK-NEXT: .LBB0_1: 20; CHECK-NEXT: .cfi_def_cfa_offset 16 21 22entry: 23 %.b5 = load i1, ptr @_ZL11ShouldThrow, align 1 24 br i1 %.b5, label %if.then, label %try.cont 25 26if.then: ; preds = %entry 27 %exception = tail call ptr @__cxa_allocate_exception(i64 4) 28 store i32 1, ptr %exception, align 16 29 invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) 30 to label %unreachable unwind label %lpad 31 32lpad: ; preds = %if.then 33 %0 = landingpad { ptr, i32 } 34 catch ptr null 35 %1 = extractvalue { ptr, i32 } %0, 0 36 %2 = tail call ptr @__cxa_begin_catch(ptr %1) 37 %puts = tail call i32 @puts(ptr @str) 38 invoke void @__cxa_rethrow() #4 39 to label %unreachable unwind label %lpad1 40 41lpad1: ; preds = %lpad 42 %3 = landingpad { ptr, i32 } 43 cleanup 44 invoke void @__cxa_end_catch() 45 to label %eh.resume unwind label %terminate.lpad 46 47try.cont: ; preds = %entry 48 ret void 49 50eh.resume: ; preds = %lpad1 51 resume { ptr, i32 } %3 52 53terminate.lpad: ; preds = %lpad1 54 %4 = landingpad { ptr, i32 } 55 catch ptr null 56 %5 = extractvalue { ptr, i32 } %4, 0 57 tail call void @__clang_call_terminate(ptr %5) 58 unreachable 59 60unreachable: ; preds = %lpad, %if.then 61 unreachable 62} 63 64declare ptr @__cxa_allocate_exception(i64) 65 66declare void @__cxa_throw(ptr, ptr, ptr) 67 68declare i32 @__gxx_personality_v0(...) 69 70declare ptr @__cxa_begin_catch(ptr) 71 72declare void @__cxa_rethrow() 73 74declare void @__cxa_end_catch() 75 76; Function Attrs: noinline noreturn nounwind 77declare void @__clang_call_terminate(ptr) 78 79declare void @_ZSt9terminatev() 80 81 82; Function Attrs: nounwind 83declare i32 @puts(ptr nocapture readonly) 84 85