From e7e5a0f6fb1dec21f296a9872088935860660819 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 10 Aug 2010 20:01:20 +0000
Subject: [PATCH] Do not forget debug info for enums. Use named mdnode to keep
track of these types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110712 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Analysis/DebugInfo.cpp | 17 +++++++++++++++--
lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 5 +++++
2 files changed, 20 insertions(+), 2 deletions(-)
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 337dc3fc3d2..2bf87da5fa4 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -923,7 +923,14 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang),
ContainingType
};
- return DICompositeType(MDNode::get(VMContext, &Elts[0], 13));
+
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 13);
+ // Create a named metadata so that we do not lose this enum info.
+ if (Tag == dwarf::DW_TAG_enumeration_type) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ }
+ return DICompositeType(Node);
}
@@ -955,7 +962,13 @@ DICompositeType DIFactory::CreateCompositeTypeEx(unsigned Tag,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
};
- return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
+ MDNode *Node = MDNode::get(VMContext, &Elts[0], 12);
+ // Create a named metadata so that we do not lose this enum info.
+ if (Tag == dwarf::DW_TAG_enumeration_type) {
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.enum");
+ NMD->addOperand(Node);
+ }
+ return DICompositeType(Node);
}
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index e0a43a93d4f..e236c1b227e 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2019,6 +2019,11 @@ void DwarfDebug::beginModule(Module *M) {
E = DbgFinder.global_variable_end(); I != E; ++I)
constructGlobalVariableDIE(*I);
+ //getOrCreateTypeDIE
+ if (NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.enum"))
+ for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i)
+ getOrCreateTypeDIE(DIType(NMD->getOperand(i)));
+
// Prime section data.
SectionMap.insert(Asm->getObjFileLowering().getTextSection());