1 ; Just run it through opt, no passes needed.
2 ; RUN: opt < %s -S | FileCheck %s
4 ; ModuleID = 'various_ir_values.c'
5 source_filename = "various_ir_values.c"
6 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
7 target triple = "x86_64-unknown-linux-gnu"
9 ; Function Attrs: nounwind uwtable
10 define dso_local void @foo(i32* %A) #0 !dbg !7 {
12 %A.addr = alloca i32*, align 8
13 %i = alloca i32, align 4
14 store i32* %A, i32** %A.addr, align 8, !tbaa !16
15 call void @llvm.dbg.declare(metadata i32** %A.addr, metadata !13, metadata !DIExpression()), !dbg !20
16 %0 = bitcast i32* %i to i8*, !dbg !21
17 call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #3, !dbg !21
18 call void @llvm.dbg.declare(metadata i32* %i, metadata !14, metadata !DIExpression()), !dbg !22
19 store i32 0, i32* %i, align 4, !dbg !22, !tbaa !23
20 br label %for.cond, !dbg !21
22 for.cond: ; preds = %for.inc, %entry
23 %1 = load i32, i32* %i, align 4, !dbg !25, !tbaa !23
24 %2 = load i32*, i32** %A.addr, align 8, !dbg !27, !tbaa !16
25 %3 = load i32, i32* %2, align 4, !dbg !28, !tbaa !23
26 %cmp = icmp slt i32 %1, %3, !dbg !29
27 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !30, !prof !61
29 for.cond.cleanup: ; preds = %for.cond
30 %4 = bitcast i32* %i to i8*, !dbg !31
31 call void @llvm.lifetime.end.p0i8(i64 4, i8* %4) #3, !dbg !31
34 for.body: ; preds = %for.cond
35 %5 = load i32*, i32** %A.addr, align 8, !dbg !32, !tbaa !16
36 %6 = load i32, i32* %i, align 4, !dbg !33, !tbaa !23
37 %idxprom = sext i32 %6 to i64, !dbg !32
38 %arrayidx = getelementptr inbounds i32, i32* %5, i64 %idxprom, !dbg !32
39 store i32 0, i32* %arrayidx, align 4, !dbg !34, !tbaa !23
40 br label %for.inc, !dbg !32
42 for.inc: ; preds = %for.body
43 %7 = load i32, i32* %i, align 4, !dbg !35, !tbaa !23
44 %inc = add nsw i32 %7, 1, !dbg !35
45 store i32 %inc, i32* %i, align 4, !dbg !35, !tbaa !23
46 br label %for.cond, !dbg !31, !llvm.loop !36
48 for.end: ; preds = %for.cond.cleanup
52 ; Function Attrs: nounwind readnone speculatable willreturn
53 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
55 ; Function Attrs: argmemonly nounwind willreturn
56 declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #2
58 ; Function Attrs: argmemonly nounwind willreturn
59 declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #2
61 ; Function Attrs: nounwind uwtable
62 define dso_local void @bar(i32* %A) #0 !dbg !39 {
64 %A.addr = alloca i32*, align 8
65 %i = alloca i32, align 4
66 store i32* %A, i32** %A.addr, align 8, !tbaa !16
67 call void @llvm.dbg.declare(metadata i32** %A.addr, metadata !41, metadata !DIExpression()), !dbg !44
68 %0 = bitcast i32* %i to i8*, !dbg !45
69 call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #3, !dbg !45
70 call void @llvm.dbg.declare(metadata i32* %i, metadata !42, metadata !DIExpression()), !dbg !46
71 store i32 0, i32* %i, align 4, !dbg !46, !tbaa !23
72 br label %for.cond, !dbg !45
74 for.cond: ; preds = %for.inc, %entry
75 %1 = load i32, i32* %i, align 4, !dbg !47, !tbaa !23
76 %2 = load i32*, i32** %A.addr, align 8, !dbg !49, !tbaa !16
77 %3 = load i32, i32* %2, align 4, !dbg !50, !tbaa !23
78 %cmp = icmp slt i32 %1, %3, !dbg !51
79 br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !52
81 for.cond.cleanup: ; preds = %for.cond
82 %4 = bitcast i32* %i to i8*, !dbg !53
83 call void @llvm.lifetime.end.p0i8(i64 4, i8* %4) #3, !dbg !53
86 for.body: ; preds = %for.cond
87 %5 = load i32*, i32** %A.addr, align 8, !dbg !54, !tbaa !16
88 %6 = load i32, i32* %i, align 4, !dbg !55, !tbaa !23
89 %idxprom = sext i32 %6 to i64, !dbg !54
90 %arrayidx = getelementptr inbounds i32, i32* %5, i64 %idxprom, !dbg !54
91 store i32 0, i32* %arrayidx, align 4, !dbg !56, !tbaa !23
92 br label %for.inc, !dbg !54
94 for.inc: ; preds = %for.body
95 %7 = load i32, i32* %i, align 4, !dbg !57, !tbaa !23
96 %inc = add nsw i32 %7, 1, !dbg !57
97 store i32 %inc, i32* %i, align 4, !dbg !57, !tbaa !23
98 br label %for.cond, !dbg !53, !llvm.loop !58
100 for.end: ; preds = %for.cond.cleanup
104 attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="ieee,ieee" "denormal-fp-math-f32"="ieee,ieee" "disable-tail-calls"="false" "frame-pointer"="none" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
105 attributes #1 = { nounwind readnone speculatable willreturn }
106 attributes #2 = { argmemonly nounwind willreturn }
107 attributes #3 = { nounwind }
110 !llvm.module.flags = !{!3, !4, !5}
113 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (git@github.com:llvm/llvm-project.git 1d5da8cd30fce1c0a2c2fa6ba656dbfaa36192c8)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
114 !1 = !DIFile(filename: "various_ir_values.c", directory: "/data/build/llvm-project")
116 !3 = !{i32 7, !"Dwarf Version", i32 4}
117 !4 = !{i32 2, !"Debug Info Version", i32 3}
118 !5 = !{i32 1, !"wchar_size", i32 4}
119 !6 = !{!"clang version 11.0.0 (git@github.com:llvm/llvm-project.git 1d5da8cd30fce1c0a2c2fa6ba656dbfaa36192c8)"}
120 !7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !12)
121 !8 = !DISubroutineType(types: !9)
123 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
124 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
126 !13 = !DILocalVariable(name: "A", arg: 1, scope: !7, file: !1, line: 1, type: !10)
127 !14 = !DILocalVariable(name: "i", scope: !15, file: !1, line: 3, type: !11)
128 !15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 3)
129 !16 = !{!17, !17, i64 0}
130 !17 = !{!"any pointer", !18, i64 0}
131 !18 = !{!"omnipotent char", !19, i64 0}
132 !19 = !{!"Simple C/C++ TBAA"}
133 !20 = !DILocation(line: 1, column: 15, scope: !7)
134 !21 = !DILocation(line: 3, column: 8, scope: !15)
135 !22 = !DILocation(line: 3, column: 12, scope: !15)
136 !23 = !{!24, !24, i64 0}
137 !24 = !{!"int", !18, i64 0}
138 !25 = !DILocation(line: 3, column: 19, scope: !26)
139 !26 = distinct !DILexicalBlock(scope: !15, file: !1, line: 3, column: 3)
140 !27 = !DILocation(line: 3, column: 24, scope: !26)
141 !28 = !DILocation(line: 3, column: 23, scope: !26)
142 !29 = !DILocation(line: 3, column: 21, scope: !26)
143 !30 = !DILocation(line: 3, column: 3, scope: !15)
144 !31 = !DILocation(line: 3, column: 3, scope: !26)
145 !32 = !DILocation(line: 4, column: 5, scope: !26)
146 !33 = !DILocation(line: 4, column: 7, scope: !26)
147 !34 = !DILocation(line: 4, column: 10, scope: !26)
148 !35 = !DILocation(line: 3, column: 27, scope: !26)
149 !36 = distinct !{!36, !30, !37}
150 !37 = !DILocation(line: 4, column: 12, scope: !15)
151 !38 = !DILocation(line: 5, column: 1, scope: !7)
152 !39 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 7, type: !8, scopeLine: 7, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !40)
154 !41 = !DILocalVariable(name: "A", arg: 1, scope: !39, file: !1, line: 7, type: !10)
155 !42 = !DILocalVariable(name: "i", scope: !43, file: !1, line: 9, type: !11)
156 !43 = distinct !DILexicalBlock(scope: !39, file: !1, line: 9, column: 3)
157 !44 = !DILocation(line: 7, column: 15, scope: !39)
158 !45 = !DILocation(line: 9, column: 8, scope: !43)
159 !46 = !DILocation(line: 9, column: 12, scope: !43)
160 !47 = !DILocation(line: 9, column: 19, scope: !48)
161 !48 = distinct !DILexicalBlock(scope: !43, file: !1, line: 9, column: 3)
162 !49 = !DILocation(line: 9, column: 24, scope: !48)
163 !50 = !DILocation(line: 9, column: 23, scope: !48)
164 !51 = !DILocation(line: 9, column: 21, scope: !48)
165 !52 = !DILocation(line: 9, column: 3, scope: !43)
166 !53 = !DILocation(line: 9, column: 3, scope: !48)
167 !54 = !DILocation(line: 10, column: 5, scope: !48)
168 !55 = !DILocation(line: 10, column: 7, scope: !48)
169 !56 = !DILocation(line: 10, column: 10, scope: !48)
170 !57 = !DILocation(line: 9, column: 27, scope: !48)
171 !58 = distinct !{!58, !52, !59}
172 !59 = !DILocation(line: 10, column: 12, scope: !43)
173 !60 = !DILocation(line: 11, column: 1, scope: !39)
174 !61 = !{!"branch_weights", i32 1, i32 1048575}