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Add support to emit debug info for C++0x nullptr type.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139751 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2011-09-14 23:13:28 +00:00
parent e1d58a6556
commit 734a67cda5
4 changed files with 42 additions and 5 deletions
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20
lib/Analysis/DIBuilder.cpp
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@@ -146,6 +146,26 @@ DIEnumerator DIBuilder::createEnumerator(StringRef Name, uint64_t Val) {
return DIEnumerator(MDNode::get(VMContext, Elts));
}
/// createNullPtrType - Create C++0x nullptr type.
DIType DIBuilder::createNullPtrType(StringRef Name) {
assert(!Name.empty() && "Unable to create type without name");
// nullptr is encoded in DIBasicType format. Line number, filename,
// ,size, alignment, offset and flags are always empty here.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_unspecified_type),
NULL, //TheCU,
MDString::get(VMContext, Name),
NULL, // Filename
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Line
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Size
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags;
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Encoding
};
return DIType(MDNode::get(VMContext, Elts));
}
/// createBasicType - Create debugging information entry for a basic
/// type, e.g 'char'.
DIType DIBuilder::createBasicType(StringRef Name, uint64_t SizeInBits,