1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
2; Just run it through opt, no passes needed.
3; RUN: opt < %s -S | FileCheck %s
4
5; ModuleID = 'various_ir_values.c'
6source_filename = "various_ir_values.c"
7target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
8target triple = "x86_64-unknown-linux-gnu"
9
10; Function Attrs: nounwind uwtable
11define dso_local void @foo(i32* %A) #0 !dbg !7 {
12; CHECK-LABEL: define {{[^@]+}}@foo
13; CHECK-SAME: (i32* [[A:%.*]]) #[[ATTR0:[0-9]+]] !dbg [[DBG7:![0-9]+]] {
14; CHECK-NEXT:  entry:
15; CHECK-NEXT:    [[A_ADDR:%.*]] = alloca i32*, align 8
16; CHECK-NEXT:    [[I:%.*]] = alloca i32, align 4
17; CHECK-NEXT:    store i32* [[A]], i32** [[A_ADDR]], align 8, !tbaa [[TBAA16:![0-9]+]]
18; CHECK-NEXT:    call void @llvm.dbg.declare(metadata i32** [[A_ADDR]], metadata [[META13:![0-9]+]], metadata !DIExpression()), !dbg [[DBG20:![0-9]+]]
19; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG21:![0-9]+]]
20; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP0]]) #[[ATTR3:[0-9]+]], !dbg [[DBG21]]
21; CHECK-NEXT:    call void @llvm.dbg.declare(metadata i32* [[I]], metadata [[META14:![0-9]+]], metadata !DIExpression()), !dbg [[DBG22:![0-9]+]]
22; CHECK-NEXT:    store i32 0, i32* [[I]], align 4, !dbg [[DBG22]], !tbaa [[TBAA23:![0-9]+]]
23; CHECK-NEXT:    br label [[FOR_COND:%.*]], !dbg [[DBG21]]
24; CHECK:       for.cond:
25; CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG25:![0-9]+]], !tbaa [[TBAA23]]
26; CHECK-NEXT:    [[TMP2:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG27:![0-9]+]], !tbaa [[TBAA16]]
27; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4, !dbg [[DBG28:![0-9]+]], !tbaa [[TBAA23]]
28; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[TMP1]], [[TMP3]], !dbg [[DBG29:![0-9]+]]
29; CHECK-NEXT:    br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]], !dbg [[DBG30:![0-9]+]], !prof [[PROF31:![0-9]+]]
30; CHECK:       for.cond.cleanup:
31; CHECK-NEXT:    [[TMP4:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG32:![0-9]+]]
32; CHECK-NEXT:    call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP4]]) #[[ATTR3]], !dbg [[DBG32]]
33; CHECK-NEXT:    br label [[FOR_END:%.*]]
34; CHECK:       for.body:
35; CHECK-NEXT:    [[TMP5:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG33:![0-9]+]], !tbaa [[TBAA16]]
36; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG34:![0-9]+]], !tbaa [[TBAA23]]
37; CHECK-NEXT:    [[IDXPROM:%.*]] = sext i32 [[TMP6]] to i64, !dbg [[DBG33]]
38; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i64 [[IDXPROM]], !dbg [[DBG33]]
39; CHECK-NEXT:    store i32 0, i32* [[ARRAYIDX]], align 4, !dbg [[DBG35:![0-9]+]], !tbaa [[TBAA23]]
40; CHECK-NEXT:    br label [[FOR_INC:%.*]], !dbg [[DBG33]]
41; CHECK:       for.inc:
42; CHECK-NEXT:    [[TMP7:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG36:![0-9]+]], !tbaa [[TBAA23]]
43; CHECK-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP7]], 1, !dbg [[DBG36]]
44; CHECK-NEXT:    store i32 [[INC]], i32* [[I]], align 4, !dbg [[DBG36]], !tbaa [[TBAA23]]
45; CHECK-NEXT:    br label [[FOR_COND]], !dbg [[DBG32]], !llvm.loop [[LOOP37:![0-9]+]]
46; CHECK:       for.end:
47; CHECK-NEXT:    ret void, !dbg [[DBG39:![0-9]+]]
48;
49entry:
50  %A.addr = alloca i32*, align 8
51  %i = alloca i32, align 4
52  store i32* %A, i32** %A.addr, align 8, !tbaa !16
53  call void @llvm.dbg.declare(metadata i32** %A.addr, metadata !13, metadata !DIExpression()), !dbg !20
54  %0 = bitcast i32* %i to i8*, !dbg !21
55  call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #3, !dbg !21
56  call void @llvm.dbg.declare(metadata i32* %i, metadata !14, metadata !DIExpression()), !dbg !22
57  store i32 0, i32* %i, align 4, !dbg !22, !tbaa !23
58  br label %for.cond, !dbg !21
59
60for.cond:                                         ; preds = %for.inc, %entry
61  %1 = load i32, i32* %i, align 4, !dbg !25, !tbaa !23
62  %2 = load i32*, i32** %A.addr, align 8, !dbg !27, !tbaa !16
63  %3 = load i32, i32* %2, align 4, !dbg !28, !tbaa !23
64  %cmp = icmp slt i32 %1, %3, !dbg !29
65  br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !30, !prof !61
66
67for.cond.cleanup:                                 ; preds = %for.cond
68  %4 = bitcast i32* %i to i8*, !dbg !31
69  call void @llvm.lifetime.end.p0i8(i64 4, i8* %4) #3, !dbg !31
70  br label %for.end
71
72for.body:                                         ; preds = %for.cond
73  %5 = load i32*, i32** %A.addr, align 8, !dbg !32, !tbaa !16
74  %6 = load i32, i32* %i, align 4, !dbg !33, !tbaa !23
75  %idxprom = sext i32 %6 to i64, !dbg !32
76  %arrayidx = getelementptr inbounds i32, i32* %5, i64 %idxprom, !dbg !32
77  store i32 0, i32* %arrayidx, align 4, !dbg !34, !tbaa !23
78  br label %for.inc, !dbg !32
79
80for.inc:                                          ; preds = %for.body
81  %7 = load i32, i32* %i, align 4, !dbg !35, !tbaa !23
82  %inc = add nsw i32 %7, 1, !dbg !35
83  store i32 %inc, i32* %i, align 4, !dbg !35, !tbaa !23
84  br label %for.cond, !dbg !31, !llvm.loop !36
85
86for.end:                                          ; preds = %for.cond.cleanup
87  ret void, !dbg !38
88}
89
90; Function Attrs: nounwind readnone speculatable willreturn
91declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
92
93; Function Attrs: argmemonly nounwind willreturn
94declare void @llvm.lifetime.start.p0i8(i64 immarg, i8* nocapture) #2
95
96; Function Attrs: argmemonly nounwind willreturn
97declare void @llvm.lifetime.end.p0i8(i64 immarg, i8* nocapture) #2
98
99; Function Attrs: nounwind uwtable
100define dso_local void @bar(i32* %A) #0 !dbg !39 {
101; CHECK-LABEL: define {{[^@]+}}@bar
102; CHECK-SAME: (i32* [[A:%.*]]) #[[ATTR0]] !dbg [[DBG40:![0-9]+]] {
103; CHECK-NEXT:  entry:
104; CHECK-NEXT:    [[A_ADDR:%.*]] = alloca i32*, align 8
105; CHECK-NEXT:    [[I:%.*]] = alloca i32, align 4
106; CHECK-NEXT:    store i32* [[A]], i32** [[A_ADDR]], align 8, !tbaa [[TBAA16]]
107; CHECK-NEXT:    call void @llvm.dbg.declare(metadata i32** [[A_ADDR]], metadata [[META42:![0-9]+]], metadata !DIExpression()), !dbg [[DBG45:![0-9]+]]
108; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG46:![0-9]+]]
109; CHECK-NEXT:    call void @llvm.lifetime.start.p0i8(i64 4, i8* [[TMP0]]) #[[ATTR3]], !dbg [[DBG46]]
110; CHECK-NEXT:    call void @llvm.dbg.declare(metadata i32* [[I]], metadata [[META43:![0-9]+]], metadata !DIExpression()), !dbg [[DBG47:![0-9]+]]
111; CHECK-NEXT:    store i32 0, i32* [[I]], align 4, !dbg [[DBG47]], !tbaa [[TBAA23]]
112; CHECK-NEXT:    br label [[FOR_COND:%.*]], !dbg [[DBG46]]
113; CHECK:       for.cond:
114; CHECK-NEXT:    [[TMP1:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG48:![0-9]+]], !tbaa [[TBAA23]]
115; CHECK-NEXT:    [[TMP2:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG50:![0-9]+]], !tbaa [[TBAA16]]
116; CHECK-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP2]], align 4, !dbg [[DBG51:![0-9]+]], !tbaa [[TBAA23]]
117; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[TMP1]], [[TMP3]], !dbg [[DBG52:![0-9]+]]
118; CHECK-NEXT:    br i1 [[CMP]], label [[FOR_BODY:%.*]], label [[FOR_COND_CLEANUP:%.*]], !dbg [[DBG53:![0-9]+]]
119; CHECK:       for.cond.cleanup:
120; CHECK-NEXT:    [[TMP4:%.*]] = bitcast i32* [[I]] to i8*, !dbg [[DBG54:![0-9]+]]
121; CHECK-NEXT:    call void @llvm.lifetime.end.p0i8(i64 4, i8* [[TMP4]]) #[[ATTR3]], !dbg [[DBG54]]
122; CHECK-NEXT:    br label [[FOR_END:%.*]]
123; CHECK:       for.body:
124; CHECK-NEXT:    [[TMP5:%.*]] = load i32*, i32** [[A_ADDR]], align 8, !dbg [[DBG55:![0-9]+]], !tbaa [[TBAA16]]
125; CHECK-NEXT:    [[TMP6:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG56:![0-9]+]], !tbaa [[TBAA23]]
126; CHECK-NEXT:    [[IDXPROM:%.*]] = sext i32 [[TMP6]] to i64, !dbg [[DBG55]]
127; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i64 [[IDXPROM]], !dbg [[DBG55]]
128; CHECK-NEXT:    store i32 0, i32* [[ARRAYIDX]], align 4, !dbg [[DBG57:![0-9]+]], !tbaa [[TBAA23]]
129; CHECK-NEXT:    br label [[FOR_INC:%.*]], !dbg [[DBG55]]
130; CHECK:       for.inc:
131; CHECK-NEXT:    [[TMP7:%.*]] = load i32, i32* [[I]], align 4, !dbg [[DBG58:![0-9]+]], !tbaa [[TBAA23]]
132; CHECK-NEXT:    [[INC:%.*]] = add nsw i32 [[TMP7]], 1, !dbg [[DBG58]]
133; CHECK-NEXT:    store i32 [[INC]], i32* [[I]], align 4, !dbg [[DBG58]], !tbaa [[TBAA23]]
134; CHECK-NEXT:    br label [[FOR_COND]], !dbg [[DBG54]], !llvm.loop [[LOOP59:![0-9]+]]
135; CHECK:       for.end:
136; CHECK-NEXT:    ret void, !dbg [[DBG61:![0-9]+]]
137;
138entry:
139  %A.addr = alloca i32*, align 8
140  %i = alloca i32, align 4
141  store i32* %A, i32** %A.addr, align 8, !tbaa !16
142  call void @llvm.dbg.declare(metadata i32** %A.addr, metadata !41, metadata !DIExpression()), !dbg !44
143  %0 = bitcast i32* %i to i8*, !dbg !45
144  call void @llvm.lifetime.start.p0i8(i64 4, i8* %0) #3, !dbg !45
145  call void @llvm.dbg.declare(metadata i32* %i, metadata !42, metadata !DIExpression()), !dbg !46
146  store i32 0, i32* %i, align 4, !dbg !46, !tbaa !23
147  br label %for.cond, !dbg !45
148
149for.cond:                                         ; preds = %for.inc, %entry
150  %1 = load i32, i32* %i, align 4, !dbg !47, !tbaa !23
151  %2 = load i32*, i32** %A.addr, align 8, !dbg !49, !tbaa !16
152  %3 = load i32, i32* %2, align 4, !dbg !50, !tbaa !23
153  %cmp = icmp slt i32 %1, %3, !dbg !51
154  br i1 %cmp, label %for.body, label %for.cond.cleanup, !dbg !52
155
156for.cond.cleanup:                                 ; preds = %for.cond
157  %4 = bitcast i32* %i to i8*, !dbg !53
158  call void @llvm.lifetime.end.p0i8(i64 4, i8* %4) #3, !dbg !53
159  br label %for.end
160
161for.body:                                         ; preds = %for.cond
162  %5 = load i32*, i32** %A.addr, align 8, !dbg !54, !tbaa !16
163  %6 = load i32, i32* %i, align 4, !dbg !55, !tbaa !23
164  %idxprom = sext i32 %6 to i64, !dbg !54
165  %arrayidx = getelementptr inbounds i32, i32* %5, i64 %idxprom, !dbg !54
166  store i32 0, i32* %arrayidx, align 4, !dbg !56, !tbaa !23
167  br label %for.inc, !dbg !54
168
169for.inc:                                          ; preds = %for.body
170  %7 = load i32, i32* %i, align 4, !dbg !57, !tbaa !23
171  %inc = add nsw i32 %7, 1, !dbg !57
172  store i32 %inc, i32* %i, align 4, !dbg !57, !tbaa !23
173  br label %for.cond, !dbg !53, !llvm.loop !58
174
175for.end:                                          ; preds = %for.cond.cleanup
176  ret void, !dbg !60
177}
178
179attributes #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" }
180attributes #1 = { nounwind readnone speculatable willreturn }
181attributes #2 = { argmemonly nounwind willreturn }
182attributes #3 = { nounwind }
183
184!llvm.dbg.cu = !{!0}
185!llvm.module.flags = !{!3, !4, !5}
186!llvm.ident = !{!6}
187
188!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 ([email protected]:llvm/llvm-project.git 1d5da8cd30fce1c0a2c2fa6ba656dbfaa36192c8)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
189!1 = !DIFile(filename: "various_ir_values.c", directory: "/data/build/llvm-project")
190!2 = !{}
191!3 = !{i32 7, !"Dwarf Version", i32 4}
192!4 = !{i32 2, !"Debug Info Version", i32 3}
193!5 = !{i32 1, !"wchar_size", i32 4}
194!6 = !{!"clang version 11.0.0 ([email protected]:llvm/llvm-project.git 1d5da8cd30fce1c0a2c2fa6ba656dbfaa36192c8)"}
195!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)
196!8 = !DISubroutineType(types: !9)
197!9 = !{null, !10}
198!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
199!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
200!12 = !{!13, !14}
201!13 = !DILocalVariable(name: "A", arg: 1, scope: !7, file: !1, line: 1, type: !10)
202!14 = !DILocalVariable(name: "i", scope: !15, file: !1, line: 3, type: !11)
203!15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 3)
204!16 = !{!17, !17, i64 0}
205!17 = !{!"any pointer", !18, i64 0}
206!18 = !{!"omnipotent char", !19, i64 0}
207!19 = !{!"Simple C/C++ TBAA"}
208!20 = !DILocation(line: 1, column: 15, scope: !7)
209!21 = !DILocation(line: 3, column: 8, scope: !15)
210!22 = !DILocation(line: 3, column: 12, scope: !15)
211!23 = !{!24, !24, i64 0}
212!24 = !{!"int", !18, i64 0}
213!25 = !DILocation(line: 3, column: 19, scope: !26)
214!26 = distinct !DILexicalBlock(scope: !15, file: !1, line: 3, column: 3)
215!27 = !DILocation(line: 3, column: 24, scope: !26)
216!28 = !DILocation(line: 3, column: 23, scope: !26)
217!29 = !DILocation(line: 3, column: 21, scope: !26)
218!30 = !DILocation(line: 3, column: 3, scope: !15)
219!31 = !DILocation(line: 3, column: 3, scope: !26)
220!32 = !DILocation(line: 4, column: 5, scope: !26)
221!33 = !DILocation(line: 4, column: 7, scope: !26)
222!34 = !DILocation(line: 4, column: 10, scope: !26)
223!35 = !DILocation(line: 3, column: 27, scope: !26)
224!36 = distinct !{!36, !30, !37}
225!37 = !DILocation(line: 4, column: 12, scope: !15)
226!38 = !DILocation(line: 5, column: 1, scope: !7)
227!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)
228!40 = !{!41, !42}
229!41 = !DILocalVariable(name: "A", arg: 1, scope: !39, file: !1, line: 7, type: !10)
230!42 = !DILocalVariable(name: "i", scope: !43, file: !1, line: 9, type: !11)
231!43 = distinct !DILexicalBlock(scope: !39, file: !1, line: 9, column: 3)
232!44 = !DILocation(line: 7, column: 15, scope: !39)
233!45 = !DILocation(line: 9, column: 8, scope: !43)
234!46 = !DILocation(line: 9, column: 12, scope: !43)
235!47 = !DILocation(line: 9, column: 19, scope: !48)
236!48 = distinct !DILexicalBlock(scope: !43, file: !1, line: 9, column: 3)
237!49 = !DILocation(line: 9, column: 24, scope: !48)
238!50 = !DILocation(line: 9, column: 23, scope: !48)
239!51 = !DILocation(line: 9, column: 21, scope: !48)
240!52 = !DILocation(line: 9, column: 3, scope: !43)
241!53 = !DILocation(line: 9, column: 3, scope: !48)
242!54 = !DILocation(line: 10, column: 5, scope: !48)
243!55 = !DILocation(line: 10, column: 7, scope: !48)
244!56 = !DILocation(line: 10, column: 10, scope: !48)
245!57 = !DILocation(line: 9, column: 27, scope: !48)
246!58 = distinct !{!58, !52, !59}
247!59 = !DILocation(line: 10, column: 12, scope: !43)
248!60 = !DILocation(line: 11, column: 1, scope: !39)
249!61 = !{!"branch_weights", i32 1, i32 1048575}
250