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Actually support DW_TAG_rvalue_reference_type that we were trying

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to generate out of the front end.

rdar://11479676

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157094 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2012-05-19 01:36:37 +00:00
parent 75f89b54b5
commit 791e629dee
4 changed files with 56 additions and 11 deletions
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7
lib/Analysis/DIBuilder.cpp
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@@ -229,12 +229,13 @@ DIType DIBuilder::createPointerType(DIType PointeeTy, uint64_t SizeInBits,
return DIType(MDNode::get(VMContext, Elts));
}
/// createReferenceType - Create debugging information entry for a reference.
DIType DIBuilder::createReferenceType(DIType RTy) {
/// createReferenceType - Create debugging information entry for a reference
/// type.
DIType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) {
assert(RTy.Verify() && "Unable to create reference type");
// References are encoded in DIDerivedType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_reference_type),
GetTagConstant(VMContext, Tag),
NULL, // TheCU,
NULL, // Name
NULL, // Filename

16
lib/Analysis/DebugInfo.cpp
View File

@@ -150,6 +150,7 @@ bool DIDescriptor::isDerivedType() const {
case dwarf::DW_TAG_typedef:
case dwarf::DW_TAG_pointer_type:
case dwarf::DW_TAG_reference_type:
case dwarf::DW_TAG_rvalue_reference_type:
case dwarf::DW_TAG_const_type:
case dwarf::DW_TAG_volatile_type:
case dwarf::DW_TAG_restrict_type:
@@ -399,11 +400,13 @@ bool DIType::Verify() const {
unsigned Tag = getTag();
if (!isBasicType() && Tag != dwarf::DW_TAG_const_type &&
Tag != dwarf::DW_TAG_volatile_type && Tag != dwarf::DW_TAG_pointer_type &&
Tag != dwarf::DW_TAG_reference_type && Tag != dwarf::DW_TAG_restrict_type
&& Tag != dwarf::DW_TAG_vector_type && Tag != dwarf::DW_TAG_array_type
&& Tag != dwarf::DW_TAG_enumeration_type
&& Tag != dwarf::DW_TAG_subroutine_type
&& getFilename().empty())
Tag != dwarf::DW_TAG_reference_type &&
Tag != dwarf::DW_TAG_rvalue_reference_type &&
Tag != dwarf::DW_TAG_restrict_type && Tag != dwarf::DW_TAG_vector_type &&
Tag != dwarf::DW_TAG_array_type &&
Tag != dwarf::DW_TAG_enumeration_type &&
Tag != dwarf::DW_TAG_subroutine_type &&
getFilename().empty())
return false;
return true;
}
@@ -512,7 +515,8 @@ uint64_t DIDerivedType::getOriginalTypeSize() const {
// it's a reference then it's just the size of the field. Pointer types
// have no need of this since they're a different type of qualification
// on the type.
if (BaseType.getTag() == dwarf::DW_TAG_reference_type)
if (BaseType.getTag() == dwarf::DW_TAG_reference_type ||
BaseType.getTag() == dwarf::DW_TAG_rvalue_reference_type)
return getSizeInBits();
else if (BaseType.isDerivedType())
return DIDerivedType(BaseType).getOriginalTypeSize();