1 ; RUN: opt -passes=ipsccp -S -o - < %s | FileCheck %s
3 ; Global variables g_11, g_22, g_33, g_44, g_55, g_66 and g_77
4 ; are not visible in the debugger.
11 ; 6 int *g_6 = nullptr;
12 ; 7 float *g_7 = nullptr;
14 ; 9 static int g_11 = -5;
15 ; 10 static float g_22 = 5.55;
16 ; 11 static char g_33 = 'b';
17 ; 12 static unsigned g_44 = 5;
18 ; 13 static bool g_55 = true;
19 ; 14 static int *g_66 = nullptr;
20 ; 15 static float *g_77 = (float *)(55 + 15);
38 ; CHECK: ![[G1:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG1:[0-9]+]], expr: !DIExpression(DW_OP_constu, 18446744073709551611, DW_OP_stack_value))
39 ; CHECK-DAG: ![[DBG1]] = distinct !DIGlobalVariable(name: "g_11", {{.*}}
40 ; CHECK: ![[G2:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG2:[0-9]+]], expr: !DIExpression(DW_OP_constu, 1085381018, DW_OP_stack_value))
41 ; CHECK-DAG: ![[DBG2]] = distinct !DIGlobalVariable(name: "g_22", {{.*}}
42 ; CHECK: ![[G3:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG3:[0-9]+]], expr: !DIExpression(DW_OP_constu, 98, DW_OP_stack_value))
43 ; CHECK-DAG: ![[DBG3]] = distinct !DIGlobalVariable(name: "g_33", {{.*}}
44 ; CHECK: ![[G4:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG4:[0-9]+]], expr: !DIExpression(DW_OP_constu, 5, DW_OP_stack_value))
45 ; CHECK-DAG: ![[DBG4]] = distinct !DIGlobalVariable(name: "g_44", {{.*}}
46 ; CHECK: ![[G5:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG5:[0-9]+]], expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
47 ; CHECK-DAG: ![[DBG5]] = distinct !DIGlobalVariable(name: "g_55", {{.*}}
48 ; CHECK: ![[G6:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG6:[0-9]+]], expr: !DIExpression(DW_OP_constu, 0, DW_OP_stack_value))
49 ; CHECK-DAG: ![[DBG6]] = distinct !DIGlobalVariable(name: "g_66", {{.*}}
50 ; CHECK: ![[G7:[0-9]+]] = !DIGlobalVariableExpression(var: ![[DBG7:[0-9]+]], expr: !DIExpression(DW_OP_constu, 70, DW_OP_stack_value))
51 ; CHECK-DAG: ![[DBG7]] = distinct !DIGlobalVariable(name: "g_77", {{.*}}
52 ; CHECK: = !DIGlobalVariableExpression(var: ![[DBG_FLOAT_UNDEF:.+]], expr: !DIExpression())
53 ; CHECK-DAG: ![[DBG_FLOAT_UNDEF]] = distinct !DIGlobalVariable(name: "g_float_undef"
55 @g_1 = dso_local global i32 -4, align 4, !dbg !0
56 @g_2 = dso_local global float 0x4011C28F60000000, align 4, !dbg !8
57 @g_3 = dso_local global i8 97, align 1, !dbg !10
58 @g_4 = dso_local global i32 4, align 4, !dbg !13
59 @g_5 = dso_local global i8 1, align 1, !dbg !16
60 @g_6 = dso_local global ptr null, align 8, !dbg !19
61 @g_7 = dso_local global ptr null, align 8, !dbg !23
62 @_ZL4g_11 = internal global i32 -5, align 4, !dbg !25
63 @_ZL4g_22 = internal global float 0x4016333340000000, align 4, !dbg !27
64 @_ZL4g_33 = internal global i8 98, align 1, !dbg !29
65 @_ZL4g_44 = internal global i32 5, align 4, !dbg !31
66 @_ZL4g_55 = internal global i8 1, align 1, !dbg !33
67 @_ZL4g_66 = internal global ptr null, align 8, !dbg !35
68 @_ZL4g_77 = internal global ptr inttoptr (i64 70 to ptr), align 8, !dbg !37
69 @g_float_undef = internal global float undef, align 4, !dbg !83
71 define dso_local void @_Z3barv() !dbg !46 {
73 %0 = load i32, ptr @_ZL4g_11, align 4, !dbg !59
74 store i32 %0, ptr @g_1, align 4, !dbg !59
75 %1 = load float, ptr @_ZL4g_22, align 4, !dbg !59
76 store float %1, ptr @g_2, align 4, !dbg !59
77 %2 = load i8, ptr @_ZL4g_33, align 1, !dbg !59
78 store i8 %2, ptr @g_3, align 1, !dbg !59
79 %3 = load i32, ptr @_ZL4g_44, align 4, !dbg !59
80 store i32 %3, ptr @g_4, align 4, !dbg !59
81 %4 = load i8, ptr @_ZL4g_55, align 1, !dbg !59
82 %tobool = trunc i8 %4 to i1, !dbg !59
83 %frombool = zext i1 %tobool to i8, !dbg !59
84 store i8 %frombool, ptr @g_5, align 1, !dbg !59
85 %5 = load ptr, ptr @_ZL4g_66, align 8, !dbg !59
86 store ptr %5, ptr @g_6, align 8, !dbg !59
87 %6 = load ptr, ptr @_ZL4g_77, align 8, !dbg !59
88 store ptr %6, ptr @g_7, align 8, !dbg !59
89 %l = load float, ptr @g_float_undef, align 8, !dbg !59
90 store float %l, ptr @g_2, align 8, !dbg !59
94 define dso_local noundef i32 @main() !dbg !77 {
96 call void @_Z3barv(), !dbg !80
101 !llvm.module.flags = !{!39, !40, !41, !42, !43, !44}
104 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
105 !1 = distinct !DIGlobalVariable(name: "g_1", scope: !2, file: !3, line: 1, type: !22, isLocal: false, isDefinition: true)
106 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 18.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !4, globals: !7, splitDebugInlining: false, nameTableKind: None)
107 !3 = !DIFile(filename: "test.cpp", directory: "")
109 !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64)
110 !6 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
111 !7 = !{!0, !8, !10, !13, !16, !19, !23, !25, !27, !29, !31, !33, !35, !37, !83}
112 !8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression())
113 !9 = distinct !DIGlobalVariable(name: "g_2", scope: !2, file: !3, line: 2, type: !6, isLocal: false, isDefinition: true)
114 !10 = !DIGlobalVariableExpression(var: !11, expr: !DIExpression())
115 !11 = distinct !DIGlobalVariable(name: "g_3", scope: !2, file: !3, line: 3, type: !12, isLocal: false, isDefinition: true)
116 !12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
117 !13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression())
118 !14 = distinct !DIGlobalVariable(name: "g_4", scope: !2, file: !3, line: 4, type: !15, isLocal: false, isDefinition: true)
119 !15 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
120 !16 = !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
121 !17 = distinct !DIGlobalVariable(name: "g_5", scope: !2, file: !3, line: 5, type: !18, isLocal: false, isDefinition: true)
122 !18 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
123 !19 = !DIGlobalVariableExpression(var: !20, expr: !DIExpression())
124 !20 = distinct !DIGlobalVariable(name: "g_6", scope: !2, file: !3, line: 6, type: !21, isLocal: false, isDefinition: true)
125 !21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64)
126 !22 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
127 !23 = !DIGlobalVariableExpression(var: !24, expr: !DIExpression())
128 !24 = distinct !DIGlobalVariable(name: "g_7", scope: !2, file: !3, line: 7, type: !5, isLocal: false, isDefinition: true)
129 !25 = !DIGlobalVariableExpression(var: !26, expr: !DIExpression())
130 !26 = distinct !DIGlobalVariable(name: "g_11", linkageName: "_ZL4g_11", scope: !2, file: !3, line: 9, type: !22, isLocal: true, isDefinition: true)
131 !27 = !DIGlobalVariableExpression(var: !28, expr: !DIExpression())
132 !28 = distinct !DIGlobalVariable(name: "g_22", linkageName: "_ZL4g_22", scope: !2, file: !3, line: 10, type: !6, isLocal: true, isDefinition: true)
133 !29 = !DIGlobalVariableExpression(var: !30, expr: !DIExpression())
134 !30 = distinct !DIGlobalVariable(name: "g_33", linkageName: "_ZL4g_33", scope: !2, file: !3, line: 11, type: !12, isLocal: true, isDefinition: true)
135 !31 = !DIGlobalVariableExpression(var: !32, expr: !DIExpression())
136 !32 = distinct !DIGlobalVariable(name: "g_44", linkageName: "_ZL4g_44", scope: !2, file: !3, line: 12, type: !15, isLocal: true, isDefinition: true)
137 !33 = !DIGlobalVariableExpression(var: !34, expr: !DIExpression())
138 !34 = distinct !DIGlobalVariable(name: "g_55", linkageName: "_ZL4g_55", scope: !2, file: !3, line: 13, type: !18, isLocal: true, isDefinition: true)
139 !35 = !DIGlobalVariableExpression(var: !36, expr: !DIExpression())
140 !36 = distinct !DIGlobalVariable(name: "g_66", linkageName: "_ZL4g_66", scope: !2, file: !3, line: 14, type: !21, isLocal: true, isDefinition: true)
141 !37 = !DIGlobalVariableExpression(var: !38, expr: !DIExpression())
142 !38 = distinct !DIGlobalVariable(name: "g_77", linkageName: "_ZL4g_77", scope: !2, file: !3, line: 15, type: !5, isLocal: true, isDefinition: true)
143 !39 = !{i32 7, !"Dwarf Version", i32 5}
144 !40 = !{i32 2, !"Debug Info Version", i32 3}
145 !41 = !{i32 1, !"wchar_size", i32 4}
146 !42 = !{i32 8, !"PIC Level", i32 2}
147 !43 = !{i32 7, !"PIE Level", i32 2}
148 !44 = !{i32 7, !"uwtable", i32 2}
149 !45 = !{!"clang version 18.0.0"}
150 !46 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", scope: !3, file: !3, line: 17, type: !47, scopeLine: 17, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
151 !47 = !DISubroutineType(types: !48)
153 !59 = !DILocation(line: 20, column: 9, scope: !46)
154 !77 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 27, type: !78, scopeLine: 27, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2)
155 !78 = !DISubroutineType(types: !79)
157 !80 = !DILocation(line: 29, column: 5, scope: !81)
158 !81 = distinct !DILexicalBlock(scope: !77, file: !3, line: 28, column: 3)
159 !82 = !DILocation(line: 31, column: 1, scope: !77)
160 !83 = !DIGlobalVariableExpression(var: !84, expr: !DIExpression())
161 !84 = distinct !DIGlobalVariable(name: "g_float_undef", linkageName: "g_float_undef", scope: !2, file: !3, line: 15, type: !6, isLocal: true, isDefinition: true)