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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_recursive_basic.carbon
Vendored
+15 -15
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@@ -182,21 +182,21 @@ 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_recursive_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_recursive_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: "M", linkageName: "_CM.Main", scope: null, file: !3, line: 28, type: !12, spFlags: DISPFlagDefinition, unit: !2)
// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "M", linkageName: "_CM.Main", scope: null, file: !1, line: 28, type: !12, spFlags: DISPFlagDefinition, unit: !0)
// CHECK:STDOUT: !12 = !DISubroutineType(types: !13)
// CHECK:STDOUT: !13 = !{null}
// CHECK:STDOUT: !14 = !DILocation(line: 29, column: 3, scope: !11)
@@ -214,24 +214,24 @@ fn M() {
// CHECK:STDOUT: !26 = !DILocation(line: 37, column: 5, scope: !11)
// CHECK:STDOUT: !27 = !DILocation(line: 37, column: 3, scope: !11)
// CHECK:STDOUT: !28 = !DILocation(line: 28, column: 1, scope: !11)
// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "Op", linkageName: "_COp.807eb4f2d3ed7e54:core.Destroy.Core", scope: null, file: !3, line: 40, type: !30, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !32)
// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "Op", linkageName: "_COp.807eb4f2d3ed7e54:core.Destroy.Core", scope: null, file: !1, line: 40, type: !30, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !32)
// CHECK:STDOUT: !30 = !DISubroutineType(types: !31)
// CHECK:STDOUT: !31 = !{null, !7}
// CHECK:STDOUT: !32 = !{!33}
// CHECK:STDOUT: !33 = !DILocalVariable(arg: 1, scope: !29, type: !7)
// CHECK:STDOUT: !34 = !DILocation(line: 40, column: 3, scope: !29)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.30d8007fdcc57f83:core.Destroy.Core", scope: null, file: !3, line: 30, type: !30, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !36)
// CHECK:STDOUT: !35 = distinct !DISubprogram(name: "Op", linkageName: "_COp.30d8007fdcc57f83:core.Destroy.Core", scope: null, file: !1, line: 30, type: !30, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !36)
// CHECK:STDOUT: !36 = !{!37}
// CHECK:STDOUT: !37 = !DILocalVariable(arg: 1, scope: !35, type: !7)
// CHECK:STDOUT: !38 = !DILocation(line: 30, column: 3, scope: !35)
// CHECK:STDOUT: !39 = distinct !DISubprogram(name: "Op", linkageName: "_COp.5e27612b9dd31a14:core.Destroy.Core", scope: null, file: !3, line: 29, type: !40, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !43)
// CHECK:STDOUT: !39 = distinct !DISubprogram(name: "Op", linkageName: "_COp.5e27612b9dd31a14:core.Destroy.Core", scope: null, file: !1, line: 29, type: !40, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !43)
// CHECK:STDOUT: !40 = !DISubroutineType(types: !41)
// CHECK:STDOUT: !41 = !{null, !42}
// CHECK:STDOUT: !42 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
// CHECK:STDOUT: !43 = !{!44}
// CHECK:STDOUT: !44 = !DILocalVariable(arg: 1, scope: !39, type: !42)
// CHECK:STDOUT: !45 = !DILocation(line: 29, column: 3, scope: !39)
// CHECK:STDOUT: !46 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.5bd8d5767580997a", scope: null, file: !3, line: 21, type: !47, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !49)
// CHECK:STDOUT: !46 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.5bd8d5767580997a", scope: null, file: !1, line: 21, type: !47, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !49)
// CHECK:STDOUT: !47 = !DISubroutineType(types: !48)
// CHECK:STDOUT: !48 = !{!42, !42, !42}
// CHECK:STDOUT: !49 = !{!50, !51}
@@ -243,7 +243,7 @@ fn M() {
// CHECK:STDOUT: !55 = !DILocation(line: 25, column: 15, scope: !46)
// CHECK:STDOUT: !56 = !DILocation(line: 25, column: 10, scope: !46)
// CHECK:STDOUT: !57 = !DILocation(line: 25, column: 3, scope: !46)
// CHECK:STDOUT: !58 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.c27b765f2159c9a0", scope: null, file: !3, line: 21, type: !59, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !61)
// CHECK:STDOUT: !58 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.c27b765f2159c9a0", scope: null, file: !1, line: 21, type: !59, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !61)
// CHECK:STDOUT: !59 = !DISubroutineType(types: !60)
// CHECK:STDOUT: !60 = !{!7, !7, !42}
// CHECK:STDOUT: !61 = !{!62, !63}
@@ -255,7 +255,7 @@ fn M() {
// CHECK:STDOUT: !67 = !DILocation(line: 25, column: 15, scope: !58)
// CHECK:STDOUT: !68 = !DILocation(line: 25, column: 10, scope: !58)
// CHECK:STDOUT: !69 = !DILocation(line: 25, column: 3, scope: !58)
// CHECK:STDOUT: !70 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.2621742a01881e29", scope: null, file: !3, line: 21, type: !59, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !71)
// CHECK:STDOUT: !70 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.2621742a01881e29", scope: null, file: !1, line: 21, type: !59, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !71)
// CHECK:STDOUT: !71 = !{!72, !73}
// CHECK:STDOUT: !72 = !DILocalVariable(arg: 1, scope: !70, type: !7)
// CHECK:STDOUT: !73 = !DILocalVariable(arg: 2, scope: !70, type: !42)
@@ -265,7 +265,7 @@ fn M() {
// CHECK:STDOUT: !77 = !DILocation(line: 25, column: 15, scope: !70)
// CHECK:STDOUT: !78 = !DILocation(line: 25, column: 10, scope: !70)
// CHECK:STDOUT: !79 = !DILocation(line: 25, column: 3, scope: !70)
// CHECK:STDOUT: !80 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.4d597ec621e4ba00", scope: null, file: !3, line: 21, type: !59, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !81)
// CHECK:STDOUT: !80 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main.4d597ec621e4ba00", scope: null, file: !1, line: 21, type: !59, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !81)
// CHECK:STDOUT: !81 = !{!82, !83}
// CHECK:STDOUT: !82 = !DILocalVariable(arg: 1, scope: !80, type: !7)
// CHECK:STDOUT: !83 = !DILocalVariable(arg: 2, scope: !80, type: !42)