handle function-level forward references, read binops.
llvm-svn: 36620
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.h b/llvm/lib/Bitcode/Reader/BitcodeReader.h
index 65c495b..3697273 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.h
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.h
@@ -51,6 +51,22 @@
virtual void print(std::ostream&) const {}
Constant *getConstantFwdRef(unsigned Idx, const Type *Ty);
+ Value *getValueFwdRef(unsigned Idx, const Type *Ty);
+
+ void AssignValue(Value *V, unsigned Idx) {
+ if (Idx == size()) {
+ push_back(V);
+ } else if (Value *OldV = getOperand(Idx)) {
+ // If there was a forward reference to this value, replace it.
+ setOperand(Idx, V);
+ OldV->replaceAllUsesWith(V);
+ delete OldV;
+ } else {
+ initVal(Idx, V);
+ }
+ }
+
+private:
void initVal(unsigned Idx, Value *V) {
assert(Uses[Idx] == 0 && "Cannot init an already init'd Use!");
Uses[Idx].init(V, this);
@@ -113,6 +129,9 @@
bool ParseBitcode();
private:
const Type *getTypeByID(unsigned ID, bool isTypeTable = false);
+ Value *getFnValueByID(unsigned ID, const Type *Ty) {
+ return ValueList.getValueFwdRef(ID, Ty);
+ }
bool ParseModule(const std::string &ModuleID);
bool ParseTypeTable();