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authorReid Kleckner <rnk@google.com>2017-09-05 20:14:58 +0000
committerReid Kleckner <rnk@google.com>2017-09-05 20:14:58 +0000
commite33c94f1b06b4fd5f08cce1e0625c6b6ac474f77 (patch)
treec8ea712e4a10d46a47f9e962f9925f93bc3c032d /llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
parent3f0e4ad833e0f367255522b4b3dd3e625a1c40c1 (diff)
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Add llvm.codeview.annotation to implement MSVC __annotation
Summary: This intrinsic represents a label with a list of associated metadata strings. It is modelled as reading and writing inaccessible memory so that it won't be removed as dead code. I think the intention is that the annotation strings should appear at most once in the debug info, so I marked it noduplicate. We are allowed to inline code with annotations as long as we strip the annotation, but that can be done later. Reviewers: majnemer Subscribers: eraman, llvm-commits, hiraditya Differential Revision: https://reviews.llvm.org/D36904 llvm-svn: 312569
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h')
-rw-r--r--llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
index fe4f0a0..b87b1ce 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.h
@@ -119,6 +119,8 @@ class LLVM_LIBRARY_VISIBILITY CodeViewDebug : public DebugHandlerBase {
SmallVector<LocalVariable, 1> Locals;
+ std::vector<std::pair<MCSymbol *, MDNode *>> Annotations;
+
const MCSymbol *Begin = nullptr;
const MCSymbol *End = nullptr;
unsigned FuncId = 0;