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Support !heapallocsite attachments in StripDebugInfo().

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They point into the DIType type system, so they need to be stripped as well.

rdar://75341300

Differential Revision: https://reviews.llvm.org/D98668
This commit is contained in:
Adrian Prantl 2021-03-15 16:23:31 -07:00
parent 2a7cba934d
commit 7fb4439f85
2 changed files with 5 additions and 1 deletions
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3
lib/IR/DebugInfo.cpp
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@ -345,6 +345,9 @@ bool llvm::stripDebugInfo(Function &F) {
if (NewLoopID != LoopID)
I.setMetadata(LLVMContext::MD_loop, NewLoopID);
}
// Strip heapallocsite attachments, they point into the DIType system.
if (I.hasMetadataOtherThanDebugLoc())
I.setMetadata("heapallocsite", nullptr);
}
}
return Changed;

3
test/Transforms/Util/strip-nonlinetable-debuginfo-heapallocsite.ll
View File

@ -1,4 +1,5 @@
; RUN: opt -S -strip-nonlinetable-debuginfo %s -o - | FileCheck %s
; RUN: opt -S -strip-debug %s -o - | FileCheck %s
; int *get() { return new int[256]; }
; ModuleID = '/tmp/heapallocsite.cpp'
source_filename = "/tmp/heapallocsite.cpp"
@ -26,7 +27,7 @@ attributes #2 = { builtin allocsize(0) }
!llvm.module.flags = !{!3, !4, !5, !6}
!llvm.ident = !{!7}
; CHECK-LABEL: !0 =
; CHECK-LABEL: !llvm.ident
; CHECK-NOT: !DIBasicType(name: "int"
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 13.0.0 (git@github.com:llvm/llvm-project 6d4ce49dae17715de502acbd50ab4c9b3c18215b)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None, sysroot: "/")
!1 = !DIFile(filename: "/tmp/heapallocsite.cpp", directory: "/Volumes/Data/llvm-project")