1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
3
4declare void @llvm.lifetime.start.p0i8(i64, i8*)
5declare void @llvm.lifetime.end.p0i8(i64, i8*)
6
7declare void @escape(i32*)
8
9declare void @throwing_callee_foo()
10declare void @throwing_callee_bar()
11
12declare i32 @__gxx_personality_v0(...)
13
14define void @caller(i1 %c) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
15; CHECK-LABEL: @caller(
16; CHECK-NEXT:  entry:
17; CHECK-NEXT:    [[I0:%.*]] = alloca i32, align 4
18; CHECK-NEXT:    [[I1:%.*]] = bitcast i32* [[I0]] to i8*
19; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I1]])
20; CHECK-NEXT:    call void @escape(i32* [[I0]])
21; CHECK-NEXT:    [[I2:%.*]] = alloca i32, align 4
22; CHECK-NEXT:    [[I3:%.*]] = bitcast i32* [[I2]] to i8*
23; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I3]])
24; CHECK-NEXT:    call void @escape(i32* [[I2]])
25; CHECK-NEXT:    [[I4:%.*]] = alloca i32, align 4
26; CHECK-NEXT:    [[I5:%.*]] = bitcast i32* [[I4]] to i8*
27; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I5]])
28; CHECK-NEXT:    call void @escape(i32* [[I4]])
29; CHECK-NEXT:    [[I6:%.*]] = alloca i32, align 4
30; CHECK-NEXT:    [[I7:%.*]] = bitcast i32* [[I6]] to i8*
31; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull [[I7]])
32; CHECK-NEXT:    call void @escape(i32* [[I6]])
33; CHECK-NEXT:    br i1 [[C:%.*]], label [[V0:%.*]], label [[V1:%.*]]
34; CHECK:       v0:
35; CHECK-NEXT:    call void @throwing_callee_foo()
36; CHECK-NEXT:    unreachable
37; CHECK:       v1:
38; CHECK-NEXT:    call void @throwing_callee_bar()
39; CHECK-NEXT:    unreachable
40;
41entry:
42  %i0 = alloca i32
43  %i1 = bitcast i32* %i0 to i8*
44  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i1)
45  call void @escape(i32* %i0)
46
47  %i2 = alloca i32
48  %i3 = bitcast i32* %i2 to i8*
49  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i3)
50  call void @escape(i32* %i2)
51
52  %i4 = alloca i32
53  %i5 = bitcast i32* %i4 to i8*
54  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i5)
55  call void @escape(i32* %i4)
56
57  %i6 = alloca i32
58  %i7 = bitcast i32* %i6 to i8*
59  call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %i7)
60  call void @escape(i32* %i6)
61
62  br i1 %c, label %v0, label %v1
63
64v0:
65  invoke void @throwing_callee_foo()
66  to label %invoke.cont unwind label %lpad.v0
67
68v1:
69  invoke void @throwing_callee_bar()
70  to label %invoke.cont unwind label %lpad.v1
71
72invoke.cont:
73  unreachable
74
75lpad.v0:
76  %i8 = landingpad { i8*, i32 } cleanup
77  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %i1)
78  br label %end
79
80lpad.v1:
81  %i9 = landingpad { i8*, i32 } cleanup
82  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %i3)
83  br label %end
84
85end:
86  %i10 = phi { i8*, i32 } [ %i8, %lpad.v0 ], [ %i9, %lpad.v1 ]
87  %i11 = phi i8* [ %i5, %lpad.v0 ], [ %i7, %lpad.v1 ]
88  call void @llvm.lifetime.end.p0i8(i64 4, i8* nonnull %i11)
89  resume { i8*, i32 } %i10
90}
91