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DebugInfo: Migrate DISubprogram::describes() to new hierarchy, NFC

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I don't really like this function at all -- I think it should be as
simple as `return getFunction() == F` -- but for now this seems like the
best we can do.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234778 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith 2015-04-13 19:07:27 +00:00
parent b6852d12a8
commit 8ca57e685e
4 changed files with 16 additions and 13 deletions
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2
include/llvm/IR/DebugInfo.h
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@ -520,7 +520,7 @@ public:
DITypeRef getContainingType() const { return get()->getContainingType(); }
/// \brief Check if this provides debugging information for the function F.
bool describes(const Function *F);
bool describes(const Function *F) const { return get()->describes(F); }
Function *getFunction() const { return get()->getFunction(); }

5
include/llvm/IR/DebugInfoMetadata.h
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@ -1386,6 +1386,11 @@ public:
void replaceFunction(std::nullptr_t) { replaceOperandWith(7, nullptr); }
/// @}
/// \brief Check if this subprogram decribes the given function.
///
/// FIXME: Should this be looking through bitcasts?
bool describes(const Function *F) const;
static bool classof(const Metadata *MD) {
return MD->getMetadataID() == MDSubprogramKind;
}

12
lib/IR/DebugInfo.cpp
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@ -49,18 +49,6 @@ bool DIVariable::isInlinedFnArgument(const Function *CurFn) {
return !SP.describes(CurFn);
}
bool DISubprogram::describes(const Function *F) {
assert(F && "Invalid function");
if (F == getFunction())
return true;
StringRef Name = getLinkageName();
if (Name.empty())
Name = getName();
if (F->getName() == Name)
return true;
return false;
}
GlobalVariable *DIGlobalVariable::getGlobal() const {
return dyn_cast_or_null<GlobalVariable>(getConstant());
}

10
lib/IR/DebugInfoMetadata.cpp
View File

@ -348,6 +348,16 @@ Function *MDSubprogram::getFunction() const {
return dyn_cast_or_null<Function>(getFunctionConstant());
}
bool MDSubprogram::describes(const Function *F) const {
assert(F && "Invalid function");
if (F == getFunction())
return true;
StringRef Name = getLinkageName();
if (Name.empty())
Name = getName();
return F->getName() == Name;
}
void MDSubprogram::replaceFunction(Function *F) {
replaceFunction(F ? ConstantAsMetadata::get(F)
: static_cast<ConstantAsMetadata *>(nullptr));