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Fix #7289: Add debug info module flags as-needed and verify if already present (#7336)

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This avoids duplicate module flags when compiling C++ interop with debug
info.

Assisted-by: Gemini via Antigravity
This commit is contained in:
David Blaikie
2026-06-16 03:18:05 +00:00
committed by GitHub
parent d13495771a
commit 88b3605eac
239 changed files with 3975 additions and 3888 deletions
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toolchain/lower/testdata/function/generic/call_basic.carbon
Vendored
+20 -20
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@@ -271,31 +271,31 @@ fn M() {
// CHECK:STDOUT: attributes #0 = { nounwind }
// CHECK:STDOUT: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
// CHECK:STDOUT:
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1}
// CHECK:STDOUT: !llvm.dbg.cu = !{!2}
// CHECK:STDOUT: !llvm.dbg.cu = !{!0}
// CHECK:STDOUT: !llvm.module.flags = !{!2, !3}
// CHECK:STDOUT:
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !3 = !DIFile(filename: "call_basic.carbon", directory: "")
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Op", linkageName: "_COp.C.Main:Copy.Core", scope: null, file: !3, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !8)
// CHECK:STDOUT: !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
// CHECK:STDOUT: !1 = !DIFile(filename: "call_basic.carbon", directory: "")
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
// CHECK:STDOUT: !4 = distinct !DISubprogram(name: "Op", linkageName: "_COp.C.Main:Copy.Core", scope: null, file: !1, line: 15, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !8)
// CHECK:STDOUT: !5 = !DISubroutineType(types: !6)
// CHECK:STDOUT: !6 = !{!7, !7}
// CHECK:STDOUT: !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
// CHECK:STDOUT: !8 = !{!9}
// CHECK:STDOUT: !9 = !DILocalVariable(arg: 1, scope: !4, type: !7)
// CHECK:STDOUT: !10 = !DILocation(line: 15, column: 34, scope: !4)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "Op", linkageName: "_COp.807eb4f2d3ed7e54:core.Destroy.Core", scope: null, file: !3, line: 43, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !14)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "Op", linkageName: "_COp.807eb4f2d3ed7e54:core.Destroy.Core", scope: null, file: !1, line: 43, type: !12, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !14)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null, !7}
// CHECK:STDOUT: !14 = !{!15}
// CHECK:STDOUT: !15 = !DILocalVariable(arg: 1, scope: !11, type: !7)
// CHECK:STDOUT: !16 = !DILocation(line: 43, column: 3, scope: !11)
// CHECK:STDOUT: !17 = distinct !DISubprogram(name: "Op", linkageName: "_COp.30d8007fdcc57f83:core.Destroy.Core", scope: null, file: !3, line: 34, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !18)
// CHECK:STDOUT: !17 = distinct !DISubprogram(name: "Op", linkageName: "_COp.30d8007fdcc57f83:core.Destroy.Core", scope: null, file: !1, line: 34, type: !12, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !18)
// CHECK:STDOUT: !18 = !{!19}
// CHECK:STDOUT: !19 = !DILocalVariable(arg: 1, scope: !17, type: !7)
// CHECK:STDOUT: !20 = !DILocation(line: 34, column: 3, scope: !17)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 48, type: !22, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !21 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !1, line: 48, type: !22, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !22 = !DISubroutineType(types: !23)
// CHECK:STDOUT: !23 = !{null}
// CHECK:STDOUT: !24 = !DILocation(line: 49, column: 3, scope: !21)
@@ -309,18 +309,18 @@ fn M() {
// CHECK:STDOUT: !32 = !DILocation(line: 55, column: 18, scope: !21)
// CHECK:STDOUT: !33 = !DILocation(line: 55, column: 16, scope: !21)
// CHECK:STDOUT: !34 = !DILocation(line: 48, column: 1, scope: !21)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.5e27612b9dd31a14:core.Destroy.Core", scope: null, file: !3, line: 53, type: !36, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !39)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.5e27612b9dd31a14:core.Destroy.Core", scope: null, file: !1, line: 53, type: !36, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !39)
// CHECK:STDOUT: !36 = !DISubroutineType(types: !37)
// CHECK:STDOUT: !37 = !{null, !38}
// CHECK:STDOUT: !38 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !39 = !{!40}
// CHECK:STDOUT: !40 = !DILocalVariable(arg: 1, scope: !35, type: !38)
// CHECK:STDOUT: !41 = !DILocation(line: 53, column: 16, scope: !35)
// CHECK:STDOUT: !42 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.84588f41d61dafba", scope: null, file: !3, line: 19, type: !36, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !43)
// CHECK:STDOUT: !42 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.84588f41d61dafba", scope: null, file: !1, line: 19, type: !36, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !43)
// CHECK:STDOUT: !43 = !{!44}
// CHECK:STDOUT: !44 = !DILocalVariable(arg: 1, scope: !42, type: !38)
// CHECK:STDOUT: !45 = !DILocation(line: 19, column: 1, scope: !42)
// CHECK:STDOUT: !46 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.58016a73bff04416", scope: null, file: !3, line: 28, type: !47, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !49)
// CHECK:STDOUT: !46 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.58016a73bff04416", scope: null, file: !1, line: 28, type: !47, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !49)
// CHECK:STDOUT: !47 = !DISubroutineType(types: !48)
// CHECK:STDOUT: !48 = !{!38, !38}
// CHECK:STDOUT: !49 = !{!50}
@@ -344,11 +344,11 @@ fn M() {
// CHECK:STDOUT: !67 = !DILocation(line: 41, column: 5, scope: !46)
// CHECK:STDOUT: !68 = !DILocation(line: 41, column: 3, scope: !46)
// CHECK:STDOUT: !69 = !DILocation(line: 45, column: 3, scope: !46)
// CHECK:STDOUT: !70 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.073fbce68be6103e", scope: null, file: !3, line: 19, type: !12, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !71)
// CHECK:STDOUT: !70 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.073fbce68be6103e", scope: null, file: !1, line: 19, type: !12, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !71)
// CHECK:STDOUT: !71 = !{!72}
// CHECK:STDOUT: !72 = !DILocalVariable(arg: 1, scope: !70, type: !7)
// CHECK:STDOUT: !73 = !DILocation(line: 19, column: 1, scope: !70)
// CHECK:STDOUT: !74 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.fa1f0912a5bbe922", scope: null, file: !3, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !75)
// CHECK:STDOUT: !74 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main.fa1f0912a5bbe922", scope: null, file: !1, line: 28, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !75)
// CHECK:STDOUT: !75 = !{!76}
// CHECK:STDOUT: !76 = !DILocalVariable(arg: 1, scope: !74, type: !7)
// CHECK:STDOUT: !77 = !DILocation(line: 29, column: 3, scope: !74)
@@ -370,23 +370,23 @@ fn M() {
// CHECK:STDOUT: !93 = !DILocation(line: 41, column: 5, scope: !74)
// CHECK:STDOUT: !94 = !DILocation(line: 41, column: 3, scope: !74)
// CHECK:STDOUT: !95 = !DILocation(line: 45, column: 3, scope: !74)
// CHECK:STDOUT: !96 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.5bd8d5767580997a", scope: null, file: !3, line: 22, type: !47, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !97)
// CHECK:STDOUT: !96 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.5bd8d5767580997a", scope: null, file: !1, line: 22, type: !47, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !97)
// CHECK:STDOUT: !97 = !{!98}
// CHECK:STDOUT: !98 = !DILocalVariable(arg: 1, scope: !96, type: !38)
// CHECK:STDOUT: !99 = !DILocation(line: 23, column: 3, scope: !96)
// CHECK:STDOUT: !100 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.ee509b43cf4eb3c5", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !101)
// CHECK:STDOUT: !100 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.ee509b43cf4eb3c5", scope: null, file: !1, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !101)
// CHECK:STDOUT: !101 = !{!102}
// CHECK:STDOUT: !102 = !DILocalVariable(arg: 1, scope: !100, type: !7)
// CHECK:STDOUT: !103 = !DILocation(line: 23, column: 3, scope: !100)
// CHECK:STDOUT: !104 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.c27b765f2159c9a0", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !105)
// CHECK:STDOUT: !104 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.c27b765f2159c9a0", scope: null, file: !1, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !105)
// CHECK:STDOUT: !105 = !{!106}
// CHECK:STDOUT: !106 = !DILocalVariable(arg: 1, scope: !104, type: !7)
// CHECK:STDOUT: !107 = !DILocation(line: 23, column: 3, scope: !104)
// CHECK:STDOUT: !108 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.2621742a01881e29", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !109)
// CHECK:STDOUT: !108 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.2621742a01881e29", scope: null, file: !1, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !109)
// CHECK:STDOUT: !109 = !{!110}
// CHECK:STDOUT: !110 = !DILocalVariable(arg: 1, scope: !108, type: !7)
// CHECK:STDOUT: !111 = !DILocation(line: 23, column: 3, scope: !108)
// CHECK:STDOUT: !112 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.4d597ec621e4ba00", scope: null, file: !3, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !113)
// CHECK:STDOUT: !112 = distinct !DISubprogram(name: "H", linkageName: "_CH.Main.4d597ec621e4ba00", scope: null, file: !1, line: 22, type: !5, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !113)
// CHECK:STDOUT: !113 = !{!114}
// CHECK:STDOUT: !114 = !DILocalVariable(arg: 1, scope: !112, type: !7)
// CHECK:STDOUT: !115 = !DILocation(line: 23, column: 10, scope: !112)