1 ; ModuleID = 'exception.cpp'
2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
3 target triple = "x86_64-pc-linux-gnu"
5 @_ZTIi = external constant i8*
7 ; Function Attrs: uwtable
8 define i32 @main(i32 %argc, i8** %argv) #0 {
9 %1 = alloca i32, align 4 ; CHECK: !dbg
10 %2 = alloca i32, align 4 ; CHECK-NEXT: !dbg
11 %3 = alloca i8**, align 8 ; CHECK-NEXT: !dbg
12 %4 = alloca i8* ; CHECK-NEXT: !dbg
13 %5 = alloca i32 ; CHECK-NEXT: !dbg
14 %e = alloca i32, align 4 ; CHECK-NEXT: !dbg
15 %6 = alloca i32 ; CHECK-NEXT: !dbg
16 store i32 0, i32* %1 ; CHECK-NEXT: !dbg
17 store i32 %argc, i32* %2, align 4 ; CHECK-NEXT: !dbg
18 store i8** %argv, i8*** %3, align 8 ; CHECK-NEXT: !dbg
19 %7 = call i8* @__cxa_allocate_exception(i64 4) #2 ; CHECK-NEXT: !dbg
20 %8 = bitcast i8* %7 to i32* ; CHECK-NEXT: !dbg
21 %9 = load i32* %2, align 4 ; CHECK-NEXT: !dbg
22 store i32 %9, i32* %8 ; CHECK-NEXT: !dbg
23 invoke void @__cxa_throw(i8* %7, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #3
24 to label %31 unwind label %10 ; CHECK: !dbg
26 ; <label>:10 ; preds = %0
27 %11 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
28 catch i8* bitcast (i8** @_ZTIi to i8*) ; CHECK: !dbg
29 %12 = extractvalue { i8*, i32 } %11, 0 ; CHECK-NEXT: !dbg
30 store i8* %12, i8** %4 ; CHECK-NEXT: !dbg
31 %13 = extractvalue { i8*, i32 } %11, 1 ; CHECK-NEXT: !dbg
32 store i32 %13, i32* %5 ; CHECK-NEXT: !dbg
33 br label %14 ; CHECK-NEXT: !dbg
35 ; <label>:14 ; preds = %10
36 %15 = load i32* %5 ; CHECK: !dbg
37 %16 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #2 ; CHECK-NEXT: !dbg
38 %17 = icmp eq i32 %15, %16 ; CHECK-NEXT: !dbg
39 br i1 %17, label %18, label %26 ; CHECK-NEXT: !dbg
41 ; <label>:18 ; preds = %14
42 %19 = load i8** %4 ; CHECK: !dbg
43 %20 = call i8* @__cxa_begin_catch(i8* %19) #2 ; CHECK-NEXT: !dbg
44 %21 = bitcast i8* %20 to i32* ; CHECK-NEXT: !dbg
45 %22 = load i32* %21, align 4 ; CHECK-NEXT: !dbg
46 store i32 %22, i32* %e, align 4 ; CHECK-NEXT: !dbg
47 %23 = load i32* %e, align 4 ; CHECK-NEXT: !dbg
48 store i32 %23, i32* %1 ; CHECK-NEXT: !dbg
49 store i32 1, i32* %6 ; CHECK-NEXT: !dbg
50 call void @__cxa_end_catch() #2 ; CHECK-NEXT: !dbg
51 br label %24 ; CHECK-NEXT: !dbg
53 ; <label>:24 ; preds = %18
54 %25 = load i32* %1 ; CHECK: !dbg
55 ret i32 %25 ; CHECK-NEXT: !dbg
57 ; <label>:26 ; preds = %14
58 %27 = load i8** %4 ; CHECK: !dbg
59 %28 = load i32* %5 ; CHECK-NEXT: !dbg
60 %29 = insertvalue { i8*, i32 } undef, i8* %27, 0 ; CHECK-NEXT: !dbg
61 %30 = insertvalue { i8*, i32 } %29, i32 %28, 1 ; CHECK-NEXT: !dbg
62 resume { i8*, i32 } %30 ; CHECK-NEXT: !dbg
64 ; <label>:31 ; preds = %0
65 unreachable ; CHECK: !dbg
68 declare i8* @__cxa_allocate_exception(i64)
70 declare void @__cxa_throw(i8*, i8*, i8*)
72 declare i32 @__gxx_personality_v0(...)
74 ; Function Attrs: nounwind readnone
75 declare i32 @llvm.eh.typeid.for(i8*) #1
77 declare i8* @__cxa_begin_catch(i8*)
79 declare void @__cxa_end_catch()
81 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
82 attributes #1 = { nounwind readnone }
83 attributes #2 = { nounwind }
84 attributes #3 = { noreturn }
85 ; CHECK: = metadata !{i32 16,
86 ; CHECK-NEXT: = metadata !{i32 17,
87 ; CHECK-NEXT: = metadata !{i32 18,
88 ; CHECK-NEXT: = metadata !{i32 19,
89 ; CHECK-NEXT: = metadata !{i32 20,
90 ; CHECK-NEXT: = metadata !{i32 21,
91 ; CHECK-NEXT: = metadata !{i32 22,
92 ; CHECK-NEXT: = metadata !{i32 24,
94 ; CHECK-NEXT: = metadata !{i32 28,
95 ; CHECK-NEXT: = metadata !{i32 29,
96 ; CHECK-NEXT: = metadata !{i32 30,
97 ; CHECK-NEXT: = metadata !{i32 31,
98 ; CHECK-NEXT: = metadata !{i32 32,
99 ; CHECK-NEXT: = metadata !{i32 33,
101 ; CHECK-NEXT: = metadata !{i32 36,
102 ; CHECK-NEXT: = metadata !{i32 37,
103 ; CHECK-NEXT: = metadata !{i32 38,
104 ; CHECK-NEXT: = metadata !{i32 39,
106 ; CHECK-NEXT: = metadata !{i32 42,
107 ; CHECK-NEXT: = metadata !{i32 43,
108 ; CHECK-NEXT: = metadata !{i32 44,
109 ; CHECK-NEXT: = metadata !{i32 45,
110 ; CHECK-NEXT: = metadata !{i32 46,
111 ; CHECK-NEXT: = metadata !{i32 47,
112 ; CHECK-NEXT: = metadata !{i32 48,
113 ; CHECK-NEXT: = metadata !{i32 49,
114 ; CHECK-NEXT: = metadata !{i32 50,
115 ; CHECK-NEXT: = metadata !{i32 51,
117 ; CHECK-NEXT: = metadata !{i32 54,
118 ; CHECK-NEXT: = metadata !{i32 55,
120 ; CHECK-NEXT: = metadata !{i32 58,
121 ; CHECK-NEXT: = metadata !{i32 59,
122 ; CHECK-NEXT: = metadata !{i32 60,
123 ; CHECK-NEXT: = metadata !{i32 61,
124 ; CHECK-NEXT: = metadata !{i32 62,
125 ; CHECK-NEXT: = metadata !{i32 65,
127 ; RUN: opt %s -debug-ir -S | FileCheck %s