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