140e1894f2
Patch 1/4 adding bitcode support. Store whether or not a function is using Key Instructions in its DISubprogram so that we don't need to rely on the -mllvm flag -dwarf-use-key-instructions to determine whether or not to interpret Key Instructions metadata to decide is_stmt placement at DWARF emission time. This makes bitcode support simple and enables well defined mixing of non-key-instructions and key-instructions functions in an LTO context. This patch adds the bit (using DISubprogram::SubclassData1). PR 144104 and 144103 use it during DWARF emission. PR 44102 adds bitcode support. See pull request for overview of alternative attempts.
21 lines
953 B
LLVM
21 lines
953 B
LLVM
; RUN: opt %s -o - -S| FileCheck %s
|
|
|
|
; CHECK: distinct !DISubprogram(name: "f", {{.*}}keyInstructions: true)
|
|
; CHECK: !DILocation(line: 1, column: 11, scope: ![[#]], atomGroup: 1, atomRank: 1)
|
|
|
|
define dso_local void @f() !dbg !10 {
|
|
entry:
|
|
ret void, !dbg !13
|
|
}
|
|
|
|
!llvm.module.flags = !{!3}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 21.0.0git", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
|
|
!1 = !DIFile(filename: "test.cpp", directory: "/")
|
|
!3 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!9 = !{!"clang version 21.0.0git"}
|
|
!10 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, keyInstructions: true)
|
|
!11 = !DISubroutineType(types: !12)
|
|
!12 = !{null}
|
|
!13 = !DILocation(line: 1, column: 11, scope: !10, atomGroup: 1, atomRank: 1)
|