1 ; Tests that debug information is sane after coro-split
2 ; RUN: opt < %s -coro-split -S | FileCheck %s
4 source_filename = "simple-repro.c"
5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6 target triple = "x86_64-unknown-linux-gnu"
8 ; Function Attrs: noinline nounwind
9 define i8* @f(i32 %x) #0 !dbg !6 {
11 %x.addr = alloca i32, align 4
12 %coro_hdl = alloca i8*, align 8
13 store i32 %x, i32* %x.addr, align 4
14 call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !12, metadata !13), !dbg !14
15 call void @llvm.dbg.declare(metadata i8** %coro_hdl, metadata !15, metadata !13), !dbg !16
16 %0 = call token @llvm.coro.id(i32 0, i8* null, i8* bitcast (i8* (i32)* @f to i8*), i8* null), !dbg !16
17 %1 = call i64 @llvm.coro.size.i64(), !dbg !16
18 %call = call i8* @malloc(i64 %1), !dbg !16
19 %2 = call i8* @llvm.coro.begin(token %0, i8* %call) #7, !dbg !16
20 store i8* %2, i8** %coro_hdl, align 8, !dbg !16
21 %3 = call i8 @llvm.coro.suspend(token none, i1 false), !dbg !17
22 %conv = sext i8 %3 to i32, !dbg !17
23 call void @coro.devirt.trigger(i8* null)
24 switch i32 %conv, label %sw.default [
29 sw.bb: ; preds = %entry
30 br label %sw.epilog, !dbg !18
32 sw.bb1: ; preds = %entry
33 br label %coro_Cleanup, !dbg !18
35 sw.default: ; preds = %entry
36 br label %coro_Suspend, !dbg !18
38 sw.epilog: ; preds = %sw.bb
39 %4 = load i32, i32* %x.addr, align 4, !dbg !20
40 %add = add nsw i32 %4, 1, !dbg !21
41 store i32 %add, i32* %x.addr, align 4, !dbg !22
42 br label %coro_Cleanup, !dbg !23
44 coro_Cleanup: ; preds = %sw.epilog, %sw.bb1
45 %5 = load i8*, i8** %coro_hdl, align 8, !dbg !24
46 %6 = call i8* @llvm.coro.free(token %0, i8* %5), !dbg !24
47 call void @free(i8* %6), !dbg !24
48 br label %coro_Suspend, !dbg !24
50 coro_Suspend: ; preds = %coro_Cleanup, %sw.default
51 %7 = call i1 @llvm.coro.end(i8* null, i1 false) #7, !dbg !24
52 %8 = load i8*, i8** %coro_hdl, align 8, !dbg !24
56 ; Function Attrs: nounwind readnone speculatable
57 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
59 ; Function Attrs: argmemonly nounwind readonly
60 declare token @llvm.coro.id(i32, i8* readnone, i8* nocapture readonly, i8*) #2
62 declare i8* @malloc(i64) #3
64 ; Function Attrs: nounwind readnone
65 declare i64 @llvm.coro.size.i64() #4
67 ; Function Attrs: nounwind
68 declare i8* @llvm.coro.begin(token, i8* writeonly) #5
70 ; Function Attrs: nounwind
71 declare i8 @llvm.coro.suspend(token, i1) #5
73 declare void @free(i8*) #3
75 ; Function Attrs: argmemonly nounwind readonly
76 declare i8* @llvm.coro.free(token, i8* nocapture readonly) #2
78 ; Function Attrs: nounwind
79 declare i1 @llvm.coro.end(i8*, i1) #5
81 ; Function Attrs: alwaysinline
82 define private void @coro.devirt.trigger(i8*) #6 {
87 ; Function Attrs: argmemonly nounwind readonly
88 declare i8* @llvm.coro.subfn.addr(i8* nocapture readonly, i8) #2
90 attributes #0 = { noinline nounwind "coroutine.presplit"="1" "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "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-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
91 attributes #1 = { nounwind readnone speculatable }
92 attributes #2 = { argmemonly nounwind readonly }
93 attributes #3 = { "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
94 attributes #4 = { nounwind readnone }
95 attributes #5 = { nounwind }
96 attributes #6 = { alwaysinline }
97 attributes #7 = { noduplicate }
100 !llvm.module.flags = !{!3, !4}
103 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
104 !1 = !DIFile(filename: "<stdin>", directory: "C:\5CGitHub\5Cllvm\5Cbuild\5CDebug\5Cbin")
106 !3 = !{i32 2, !"Dwarf Version", i32 4}
107 !4 = !{i32 2, !"Debug Info Version", i32 3}
108 !5 = !{!"clang version 5.0.0"}
109 !6 = distinct !DISubprogram(name: "f", linkageName: "flink", scope: !7, file: !7, line: 55, type: !8, isLocal: false, isDefinition: true, scopeLine: 55, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
110 !7 = !DIFile(filename: "simple-repro.c", directory: "C:\5CGitHub\5Cllvm\5Cbuild\5CDebug\5Cbin")
111 !8 = !DISubroutineType(types: !9)
113 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
114 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
115 !12 = !DILocalVariable(name: "x", arg: 1, scope: !6, file: !7, line: 55, type: !11)
116 !13 = !DIExpression()
117 !14 = !DILocation(line: 55, column: 13, scope: !6)
118 !15 = !DILocalVariable(name: "coro_hdl", scope: !6, file: !7, line: 56, type: !10)
119 !16 = !DILocation(line: 56, column: 3, scope: !6)
120 !17 = !DILocation(line: 58, column: 5, scope: !6)
121 !18 = !DILocation(line: 58, column: 5, scope: !19)
122 !19 = distinct !DILexicalBlock(scope: !6, file: !7, line: 58, column: 5)
123 !20 = !DILocation(line: 59, column: 9, scope: !6)
124 !21 = !DILocation(line: 59, column: 10, scope: !6)
125 !22 = !DILocation(line: 59, column: 7, scope: !6)
126 !23 = !DILocation(line: 59, column: 5, scope: !6)
127 !24 = !DILocation(line: 62, column: 3, scope: !6)
129 ; CHECK: define i8* @f(i32 %x) #0 !dbg ![[ORIG:[0-9]+]]
130 ; CHECK: define internal fastcc void @f.resume(%f.Frame* noalias nonnull %FramePtr) #0 !dbg ![[RESUME:[0-9]+]]
131 ; CHECK: define internal fastcc void @f.destroy(%f.Frame* noalias nonnull %FramePtr) #0 !dbg ![[DESTROY:[0-9]+]]
132 ; CHECK: define internal fastcc void @f.cleanup(%f.Frame* noalias nonnull %FramePtr) #0 !dbg ![[CLEANUP:[0-9]+]]
134 ; CHECK: ![[ORIG]] = distinct !DISubprogram(name: "f", linkageName: "flink"
135 ; CHECK: !DILocalVariable(name: "x", arg: 1, scope: ![[ORIG]]
137 ; CHECK: ![[RESUME]] = distinct !DISubprogram(name: "f", linkageName: "flink"
138 ; CHECK: !DILocalVariable(name: "x", arg: 1, scope: ![[RESUME]]
140 ; CHECK: ![[DESTROY]] = distinct !DISubprogram(name: "f", linkageName: "flink"
142 ; CHECK: ![[CLEANUP]] = distinct !DISubprogram(name: "f", linkageName: "flink"