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