maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

In case of template specialization, do not try to delay emitting debug info for concrete type in -flimit-debug-info mode. This fixes some of the failures from bs15503.exp tests in gdb testsuite. 

llvm-svn: 143227
This commit is contained in:
Devang Patel 2011-10-28 21:12:13 +00:00
parent d443641291
commit fa59ac363e
2 changed files with 36 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
clang/lib/CodeGen/CGDebugInfo.cpp
View File

@ -745,11 +745,27 @@ CGDebugInfo::getOrCreateMethodType(const CXXMethodDecl *Method,
if (!Method->isStatic()) {
// "this" pointer is always first argument.
QualType ThisPtr = Method->getThisType(CGM.getContext());
llvm::DIType ThisPtrType =
DBuilder.createArtificialType(getOrCreateType(ThisPtr, Unit));
TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType;
Elts.push_back(ThisPtrType);
const CXXRecordDecl *RD = Method->getParent();
if (isa<ClassTemplateSpecializationDecl>(RD)) {
// Create pointer type directly in this case.
const PointerType *ThisPtrTy = cast<PointerType>(ThisPtr);
QualType PointeeTy = ThisPtrTy->getPointeeType();
unsigned AS = CGM.getContext().getTargetAddressSpace(PointeeTy);
uint64_t Size = CGM.getContext().getTargetInfo().getPointerWidth(AS);
uint64_t Align = CGM.getContext().getTypeAlign(ThisPtrTy);
llvm::DIType PointeeType = getOrCreateType(PointeeTy, Unit);
llvm::DIType ThisPtrType =
DBuilder.createArtificialType
(DBuilder.createPointerType(PointeeType, Size, Align));
TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType;
Elts.push_back(ThisPtrType);
} else {
llvm::DIType ThisPtrType =
DBuilder.createArtificialType(getOrCreateType(ThisPtr, Unit));
TypeCache[ThisPtr.getAsOpaquePtr()] = ThisPtrType;
Elts.push_back(ThisPtrType);
}
}
// Copy rest of the arguments.

15
clang/test/CodeGenCXX/debug-info-template-limit.cpp Normal file
View File

@ -0,0 +1,15 @@
// RUN: %clang -flimit-debug-info -emit-llvm -g -S %s -o - | FileCheck %s
// Check that this pointer type is TC<int>
// CHECK: !10} ; [ DW_TAG_pointer_type
// CHECK-NEXT: !10 ={{.*}}"TC<int>"
template<typename T>
class TC {
public:
TC(const TC &) {}
TC() {}
};
TC<int> tci;