xref: /llvm-project/llvm/test/Transforms/GlobalOpt/evaluate-call-errors.ll (revision 0676acb6fd8d5e22fde16e6ec977ceac08427ab0)
1; Checks for few bitcasted call evaluation errors
2
3; REQUIRES: asserts
4; RUN: opt -passes=globalopt,instcombine -S -debug-only=evaluator %s -o %t 2>&1 | FileCheck %s
5
6; CHECK: Failed to fold bitcast call expr
7; CHECK: Can not convert function argument
8
9target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
10target triple = "x86_64-apple-macosx10.12.0"
11
12%struct.S = type { i32 }
13%struct.Q = type { i32 }
14%struct.Foo = type { i32 }
15
16@_s = global %struct.S zeroinitializer, align 4
17@_q = global %struct.Q zeroinitializer, align 4
18@llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_main2.cpp, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_main3.cpp, i8* null }]
19
20define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" {
21  call void @_ZN1SC1Ev(%struct.S* @_s)
22  ret void
23}
24
25define linkonce_odr void @_ZN1SC1Ev(%struct.S*) unnamed_addr align 2 {
26  %2 = alloca %struct.S*, align 8
27  store %struct.S* %0, %struct.S** %2, align 8
28  %3 = load %struct.S*, %struct.S** %2, align 8
29  call void @_ZN1SC2Ev(%struct.S* %3)
30  ret void
31}
32
33define internal void @__cxx_global_var_init.1() #0 section "__TEXT,__StaticInit,regular,pure_instructions" {
34  call void @_ZN1QC1Ev(%struct.Q* @_q)
35  ret void
36}
37
38define linkonce_odr void @_ZN1QC1Ev(%struct.Q*) unnamed_addr  align 2 {
39  %2 = alloca %struct.Q*, align 8
40  store %struct.Q* %0, %struct.Q** %2, align 8
41  %3 = load %struct.Q*, %struct.Q** %2, align 8
42  call void @_ZN1QC2Ev(%struct.Q* %3)
43  ret void
44}
45
46define i32 @main() {
47  %1 = alloca i32, align 4
48  store i32 0, i32* %1, align 4
49  ret i32 0
50}
51
52define linkonce_odr void @_ZN1SC2Ev(%struct.S*) unnamed_addr align 2 {
53  %2 = alloca %struct.S*, align 8
54  %3 = alloca %struct.Foo, align 4
55  store %struct.S* %0, %struct.S** %2, align 8
56  %4 = load %struct.S*, %struct.S** %2, align 8
57  %5 = getelementptr inbounds %struct.S, %struct.S* %4, i32 0, i32 0
58  %6 = call i32 bitcast (%struct.Foo* ()* @_ZL3foov to i32 ()*)()
59  %7 = getelementptr inbounds %struct.Foo, %struct.Foo* %3, i32 0, i32 0
60  store i32 %6, i32* %7, align 4
61  %8 = getelementptr inbounds %struct.Foo, %struct.Foo* %3, i32 0, i32 0
62  %9 = load i32, i32* %8, align 4
63  store i32 %9, i32* %5, align 4
64  ret void
65}
66
67define internal %struct.Foo* @_ZL3foov() {
68  ret %struct.Foo* getelementptr (%struct.Foo, %struct.Foo *null, i32 1)
69}
70
71define linkonce_odr void @_ZN1QC2Ev(%struct.Q*) unnamed_addr align 2 {
72  %2 = alloca %struct.Q*, align 8
73  store %struct.Q* %0, %struct.Q** %2, align 8
74  %3 = load %struct.Q*, %struct.Q** %2, align 8
75  %4 = getelementptr inbounds %struct.Q, %struct.Q* %3, i32 0, i32 0
76  %5 = call i32 bitcast (i32 (i32)* @_ZL3baz3Foo to i32 (%struct.Foo*)*)(%struct.Foo* getelementptr (%struct.Foo, %struct.Foo *null, i32 1))
77  store i32 %5, i32* %4, align 4
78  ret void
79}
80
81define internal i32 @_ZL3baz3Foo(i32) {
82  %2 = alloca %struct.Foo, align 4
83  %3 = getelementptr inbounds %struct.Foo, %struct.Foo* %2, i32 0, i32 0
84  store i32 %0, i32* %3, align 4
85  %4 = getelementptr inbounds %struct.Foo, %struct.Foo* %2, i32 0, i32 0
86  %5 = load i32, i32* %4, align 4
87  ret i32 %5
88}
89
90; Function Attrs: noinline ssp uwtable
91define internal void @_GLOBAL__sub_I_main2.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" {
92  call void @__cxx_global_var_init()
93  ret void
94}
95
96define internal void @_GLOBAL__sub_I_main3.cpp() section "__TEXT,__StaticInit,regular,pure_instructions" {
97  call void @__cxx_global_var_init.1()
98  ret void
99}
100