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1; RUN: llc %s -o - | FileCheck %s2 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 any7 8@_ZL11ShouldThrow = internal unnamed_addr global i1 false, align 19@_ZTIi = external constant ptr10@str = private unnamed_addr constant [20 x i8] c"Threw an exception!\00"11 12; Function Attrs: uwtable13define void @_Z6throwsv() personality ptr @__gxx_personality_v0 {14 15; CHECK-LABEL: _Z6throwsv:16; CHECK: popq %rbx17; CHECK-NEXT: .cfi_def_cfa_offset 818; CHECK-NEXT: retq19; CHECK-NEXT: .LBB0_1:20; CHECK-NEXT: .cfi_def_cfa_offset 1621 22entry:23 %.b5 = load i1, ptr @_ZL11ShouldThrow, align 124 br i1 %.b5, label %if.then, label %try.cont25 26if.then: ; preds = %entry27 %exception = tail call ptr @__cxa_allocate_exception(i64 4)28 store i32 1, ptr %exception, align 1629 invoke void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null)30 to label %unreachable unwind label %lpad31 32lpad: ; preds = %if.then33 %0 = landingpad { ptr, i32 }34 catch ptr null35 %1 = extractvalue { ptr, i32 } %0, 036 %2 = tail call ptr @__cxa_begin_catch(ptr %1)37 %puts = tail call i32 @puts(ptr @str)38 invoke void @__cxa_rethrow() #439 to label %unreachable unwind label %lpad140 41lpad1: ; preds = %lpad42 %3 = landingpad { ptr, i32 }43 cleanup44 invoke void @__cxa_end_catch()45 to label %eh.resume unwind label %terminate.lpad46 47try.cont: ; preds = %entry48 ret void49 50eh.resume: ; preds = %lpad151 resume { ptr, i32 } %352 53terminate.lpad: ; preds = %lpad154 %4 = landingpad { ptr, i32 }55 catch ptr null56 %5 = extractvalue { ptr, i32 } %4, 057 tail call void @__clang_call_terminate(ptr %5)58 unreachable59 60unreachable: ; preds = %lpad, %if.then61 unreachable62}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 nounwind77declare void @__clang_call_terminate(ptr)78 79declare void @_ZSt9terminatev()80 81 82; Function Attrs: nounwind83declare i32 @puts(ptr nocapture readonly)84 85