1 ; RUN: opt -deadargelim -S < %s | FileCheck %s
2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4 %struct.Channel = type { i32, i32 }
6 ; Function Attrs: nounwind uwtable
7 define void @f2(i32 %m, i32 %n) #0 !dbg !7 {
9 call void @llvm.dbg.value(metadata i32 %m, metadata !12, metadata !DIExpression()), !dbg !21
10 call void @llvm.dbg.value(metadata i32 %n, metadata !13, metadata !DIExpression()), !dbg !22
11 call void @llvm.dbg.value(metadata %struct.Channel* null, metadata !14, metadata !DIExpression()), !dbg !23
12 %call = call %struct.Channel* (...) @foo(), !dbg !24
13 call void @llvm.dbg.value(metadata %struct.Channel* %call, metadata !14, metadata !DIExpression()), !dbg !23
14 %cmp = icmp sgt i32 %m, 3, !dbg !25
15 br i1 %cmp, label %if.then, label %if.end, !dbg !27
17 if.then: ; preds = %entry
18 %call1 = call zeroext i1 @f1(i1 zeroext true, %struct.Channel* %call), !dbg !28
19 br label %if.end, !dbg !28
21 if.end: ; preds = %if.then, %entry
22 %cmp2 = icmp sgt i32 %n, %m, !dbg !29
23 br i1 %cmp2, label %if.then3, label %if.end5, !dbg !31
25 if.then3: ; preds = %if.end
26 %call4 = call zeroext i1 @f1(i1 zeroext false, %struct.Channel* %call), !dbg !32
27 br label %if.end5, !dbg !32
29 if.end5: ; preds = %if.then3, %if.end
33 declare %struct.Channel* @foo(...) local_unnamed_addr #1
35 ; Function Attrs: noinline nounwind uwtable
36 define internal zeroext i1 @f1(i1 zeroext %is_y, %struct.Channel* %str) #4 !dbg !34 {
38 %frombool = zext i1 %is_y to i8
39 ; CHECK: call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42
40 call void @llvm.dbg.value(metadata i1 %is_y, metadata !39, metadata !DIExpression()), !dbg !42
41 ; CHECK: call void @llvm.dbg.value(metadata %struct.Channel* %str, metadata !40, metadata !DIExpression()), !dbg !43
42 call void @llvm.dbg.value(metadata %struct.Channel* %str, metadata !40, metadata !DIExpression()), !dbg !43
43 call void @llvm.dbg.value(metadata %struct.Channel* null, metadata !41, metadata !DIExpression()), !dbg !44
44 %tobool = icmp ne %struct.Channel* %str, null, !dbg !45
45 br i1 %tobool, label %if.end, label %if.then, !dbg !47
47 if.then: ; preds = %entry
48 call void (...) @baa(), !dbg !48
49 br label %cleanup, !dbg !50
51 if.end: ; preds = %entry
52 %call = call %struct.Channel* (...) @foo(), !dbg !51
53 call void @llvm.dbg.value(metadata %struct.Channel* %call, metadata !41, metadata !DIExpression()), !dbg !44
54 %tobool1 = trunc i8 %frombool to i1, !dbg !52
55 br i1 %tobool1, label %if.then2, label %if.end3, !dbg !56
57 if.then2: ; preds = %if.end
58 call void (...) @baa(), !dbg !57
59 br label %cleanup, !dbg !56
61 if.end3: ; preds = %if.end
62 br label %cleanup, !dbg !56
64 cleanup: ; preds = %if.end3, %if.then2, %if.then
65 %retval.0 = phi i1 [ false, %if.then2 ], [ true, %if.end3 ], [ false, %if.then ]
66 ret i1 %retval.0, !dbg !56
69 declare void @baa(...) local_unnamed_addr #1
71 ; Function Attrs: nounwind readnone speculatable
72 declare void @llvm.dbg.value(metadata, metadata, metadata) #3
75 !llvm.module.flags = !{!3, !4, !5}
78 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
79 !1 = !DIFile(filename: "test.c", directory: "/dir")
81 !3 = !{i32 2, !"Dwarf Version", i32 4}
82 !4 = !{i32 2, !"Debug Info Version", i32 3}
83 !5 = !{i32 1, !"wchar_size", i32 4}
84 !6 = !{!"clang version 7.0.0"}
85 !7 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 31, type: !8, isLocal: false, isDefinition: true, scopeLine: 32, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
86 !8 = !DISubroutineType(types: !9)
87 !9 = !{null, !10, !10}
88 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
89 !11 = !{!12, !13, !14}
90 !12 = !DILocalVariable(name: "m", arg: 1, scope: !7, file: !1, line: 31, type: !10)
91 !13 = !DILocalVariable(name: "n", arg: 2, scope: !7, file: !1, line: 31, type: !10)
92 !14 = !DILocalVariable(name: "str3", scope: !7, file: !1, line: 33, type: !15)
93 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
94 !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "channel", file: !1, line: 6, baseType: !17)
95 !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Channel", file: !1, line: 3, size: 64, elements: !18)
97 !19 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !17, file: !1, line: 4, baseType: !10, size: 32)
98 !20 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !17, file: !1, line: 5, baseType: !10, size: 32, offset: 32)
99 !21 = !DILocation(line: 31, column: 13, scope: !7)
100 !22 = !DILocation(line: 31, column: 20, scope: !7)
101 !23 = !DILocation(line: 33, column: 11, scope: !7)
102 !24 = !DILocation(line: 34, column: 9, scope: !7)
103 !25 = !DILocation(line: 36, column: 8, scope: !26)
104 !26 = distinct !DILexicalBlock(scope: !7, file: !1, line: 36, column: 6)
105 !27 = !DILocation(line: 36, column: 6, scope: !7)
106 !28 = !DILocation(line: 37, column: 3, scope: !26)
107 !29 = !DILocation(line: 39, column: 8, scope: !30)
108 !30 = distinct !DILexicalBlock(scope: !7, file: !1, line: 39, column: 6)
109 !31 = !DILocation(line: 39, column: 6, scope: !7)
110 !32 = !DILocation(line: 40, column: 3, scope: !30)
111 !33 = !DILocation(line: 41, column: 1, scope: !7)
112 !34 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 12, type: !35, isLocal: true, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !38)
113 !35 = !DISubroutineType(types: !36)
114 !36 = !{!37, !37, !15}
115 !37 = !DIBasicType(name: "_Bool", size: 8, encoding: DW_ATE_boolean)
116 !38 = !{!39, !40, !41}
117 !39 = !DILocalVariable(name: "is_y", arg: 1, scope: !34, file: !1, line: 12, type: !37)
118 !40 = !DILocalVariable(name: "str", arg: 2, scope: !34, file: !1, line: 12, type: !15)
119 !41 = !DILocalVariable(name: "str2", scope: !34, file: !1, line: 14, type: !15)
120 !42 = !DILocation(line: 12, column: 21, scope: !34)
121 !43 = !DILocation(line: 12, column: 36, scope: !34)
122 !44 = !DILocation(line: 14, column: 11, scope: !34)
123 !45 = !DILocation(line: 16, column: 7, scope: !46)
124 !46 = distinct !DILexicalBlock(scope: !34, file: !1, line: 16, column: 6)
125 !47 = !DILocation(line: 16, column: 6, scope: !34)
126 !48 = !DILocation(line: 17, column: 3, scope: !49)
127 !49 = distinct !DILexicalBlock(scope: !46, file: !1, line: 16, column: 11)
128 !50 = !DILocation(line: 18, column: 3, scope: !49)
129 !51 = !DILocation(line: 21, column: 9, scope: !34)
130 !52 = !DILocation(line: 23, column: 6, scope: !34)
131 !53 = !DILocation(line: 24, column: 3, scope: !54)
132 !54 = distinct !DILexicalBlock(scope: !55, file: !1, line: 23, column: 11)
133 !55 = distinct !DILexicalBlock(scope: !34, file: !1, line: 23, column: 6)
134 !56 = !DILocation(line: 25, column: 3, scope: !54)
135 !57 = !DILocation(line: 28, column: 2, scope: !34)