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PR14606: debug info imported_module support

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Adding another CU-wide list, in this case of imported_modules (since they
should be relatively rare, it seemed better to add a list where each element
had a "context" value, rather than add a (usually empty) list to every scope).
This takes care of DW_TAG_imported_module, but to fully address PR14606 we'll
need to expand this to cover DW_TAG_imported_declaration too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179836 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2013-04-19 06:57:04 +00:00
parent 64362272b6
commit bcb81360a2
90 changed files with 223 additions and 103 deletions
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21
lib/IR/DIBuilder.cpp
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@ -61,6 +61,9 @@ void DIBuilder::finalize() {
DIArray GVs = getOrCreateArray(AllGVs);
DIType(TempGVs).replaceAllUsesWith(GVs);
DIArray IMs = getOrCreateArray(AllImportedModules);
DIType(TempImportedModules).replaceAllUsesWith(IMs);
}
/// getNonCompileUnitScope - If N is compile unit return NULL otherwise return
@ -101,6 +104,8 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
TempGVs = MDNode::getTemporary(VMContext, TElts);
TempImportedModules = MDNode::getTemporary(VMContext, TElts);
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_compile_unit),
createFilePathPair(VMContext, Filename, Directory),
@ -113,6 +118,7 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
TempRetainTypes,
TempSubprograms,
TempGVs,
TempImportedModules,
MDString::get(VMContext, SplitName)
};
TheCU = DICompileUnit(MDNode::get(VMContext, Elts));
@ -122,6 +128,21 @@ void DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename,
NMD->addOperand(TheCU);
}
DIImportedModule DIBuilder::createImportedModule(DIScope Context,
DINameSpace NS,
unsigned Line) {
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_imported_module),
Context,
NS,
ConstantInt::get(Type::getInt32Ty(VMContext), Line),
};
DIImportedModule M(MDNode::get(VMContext, Elts));
assert(M.Verify() && "Imported module should be valid");
AllImportedModules.push_back(M);
return M;
}
/// createFile - Create a file descriptor to hold debugging information
/// for a file.
DIFile DIBuilder::createFile(StringRef Filename, StringRef Directory) {