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Use LLVMContext for generating UndefValue constants too!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74703 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2009-07-02 17:04:01 +00:00
parent 480752e9f6
commit b43eae745e
2 changed files with 9 additions and 7 deletions
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14
lib/AsmParser/LLParser.cpp
View File

@ -1374,8 +1374,8 @@ LLParser::PerFunctionState::~PerFunctionState() {
for (std::map<std::string, std::pair<Value*, LocTy> >::iterator for (std::map<std::string, std::pair<Value*, LocTy> >::iterator
I = ForwardRefVals.begin(), E = ForwardRefVals.end(); I != E; ++I) I = ForwardRefVals.begin(), E = ForwardRefVals.end(); I != E; ++I)
if (!isa<BasicBlock>(I->second.first)) { if (!isa<BasicBlock>(I->second.first)) {
I->second.first->replaceAllUsesWith(UndefValue::get(I->second.first I->second.first->replaceAllUsesWith(
->getType())); P.getContext().getUndef(I->second.first->getType()));
delete I->second.first; delete I->second.first;
I->second.first = 0; I->second.first = 0;
} }
@ -1383,8 +1383,8 @@ LLParser::PerFunctionState::~PerFunctionState() {
for (std::map<unsigned, std::pair<Value*, LocTy> >::iterator for (std::map<unsigned, std::pair<Value*, LocTy> >::iterator
I = ForwardRefValIDs.begin(), E = ForwardRefValIDs.end(); I != E; ++I) I = ForwardRefValIDs.begin(), E = ForwardRefValIDs.end(); I != E; ++I)
if (!isa<BasicBlock>(I->second.first)) { if (!isa<BasicBlock>(I->second.first)) {
I->second.first->replaceAllUsesWith(UndefValue::get(I->second.first I->second.first->replaceAllUsesWith(
->getType())); P.getContext().getUndef(I->second.first->getType()));
delete I->second.first; delete I->second.first;
I->second.first = 0; I->second.first = 0;
} }
@ -2074,12 +2074,12 @@ bool LLParser::ConvertGlobalValIDToValue(const Type *Ty, ValID &ID,
if ((!Ty->isFirstClassType() || Ty == Type::LabelTy) && if ((!Ty->isFirstClassType() || Ty == Type::LabelTy) &&
!isa<OpaqueType>(Ty)) !isa<OpaqueType>(Ty))
return Error(ID.Loc, "invalid type for undef constant"); return Error(ID.Loc, "invalid type for undef constant");
V = UndefValue::get(Ty); V = Context.getUndef(Ty);
return false; return false;
case ValID::t_EmptyArray: case ValID::t_EmptyArray:
if (!isa<ArrayType>(Ty) || cast<ArrayType>(Ty)->getNumElements() != 0) if (!isa<ArrayType>(Ty) || cast<ArrayType>(Ty)->getNumElements() != 0)
return Error(ID.Loc, "invalid empty array initializer"); return Error(ID.Loc, "invalid empty array initializer");
V = UndefValue::get(Ty); V = Context.getUndef(Ty);
return false; return false;
case ValID::t_Zero: case ValID::t_Zero:
// FIXME: LabelTy should not be a first-class type. // FIXME: LabelTy should not be a first-class type.
@ -2604,7 +2604,7 @@ bool LLParser::ParseRet(Instruction *&Inst, BasicBlock *BB,
RVs.push_back(RV); RVs.push_back(RV);
} }
RV = UndefValue::get(PFS.getFunction().getReturnType()); RV = Context.getUndef(PFS.getFunction().getReturnType());
for (unsigned i = 0, e = RVs.size(); i != e; ++i) { for (unsigned i = 0, e = RVs.size(); i != e; ++i) {
Instruction *I = InsertValueInst::Create(RV, RVs[i], i, "mrv"); Instruction *I = InsertValueInst::Create(RV, RVs[i], i, "mrv");
BB->getInstList().push_back(I); BB->getInstList().push_back(I);

2
lib/AsmParser/LLParser.h
View File

@ -77,6 +77,8 @@ namespace llvm {
Context(m->getContext()), Lex(F, Err), M(m) {} Context(m->getContext()), Lex(F, Err), M(m) {}
bool Run(); bool Run();
LLVMContext& getContext() { return Context; }
private: private:
bool Error(LocTy L, const std::string &Msg) const { bool Error(LocTy L, const std::string &Msg) const {