diff options
| -rw-r--r-- | include/llvm/IR/GlobalAlias.h | 10 | ||||
| -rw-r--r-- | lib/IR/Globals.cpp | 16 |
2 files changed, 16 insertions, 10 deletions
diff --git a/include/llvm/IR/GlobalAlias.h b/include/llvm/IR/GlobalAlias.h index 883814a323..e09fb6a4f1 100644 --- a/include/llvm/IR/GlobalAlias.h +++ b/include/llvm/IR/GlobalAlias.h @@ -66,14 +66,20 @@ public: } /// getAliasedGlobal() - Aliasee can be either global or bitcast of /// global. This method retrives the global for both aliasee flavours. - const GlobalValue *getAliasedGlobal() const; + GlobalValue *getAliasedGlobal(); + const GlobalValue *getAliasedGlobal() const { + return const_cast<GlobalAlias *>(this)->getAliasedGlobal(); + } /// resolveAliasedGlobal() - This method tries to ultimately resolve the alias /// by going through the aliasing chain and trying to find the very last /// global. Returns NULL if a cycle was found. If stopOnWeak is false, then /// the whole chain aliasing chain is traversed, otherwise - only strong /// aliases. - const GlobalValue *resolveAliasedGlobal(bool stopOnWeak = true) const; + GlobalValue *resolveAliasedGlobal(bool stopOnWeak = true); + const GlobalValue *resolveAliasedGlobal(bool stopOnWeak = true) const { + return const_cast<GlobalAlias *>(this)->resolveAliasedGlobal(stopOnWeak); + } // Methods for support type inquiry through isa, cast, and dyn_cast: static inline bool classof(const Value *V) { diff --git a/lib/IR/Globals.cpp b/lib/IR/Globals.cpp index 6d547f3edf..da3b02a0fa 100644 --- a/lib/IR/Globals.cpp +++ b/lib/IR/Globals.cpp @@ -229,14 +229,14 @@ void GlobalAlias::setAliasee(Constant *Aliasee) { setOperand(0, Aliasee); } -const GlobalValue *GlobalAlias::getAliasedGlobal() const { - const Constant *C = getAliasee(); +GlobalValue *GlobalAlias::getAliasedGlobal() { + Constant *C = getAliasee(); if (C == 0) return 0; - if (const GlobalValue *GV = dyn_cast<GlobalValue>(C)) + if (GlobalValue *GV = dyn_cast<GlobalValue>(C)) return GV; - const ConstantExpr *CE = cast<ConstantExpr>(C); + ConstantExpr *CE = cast<ConstantExpr>(C); assert((CE->getOpcode() == Instruction::BitCast || CE->getOpcode() == Instruction::GetElementPtr) && "Unsupported aliasee"); @@ -244,18 +244,18 @@ const GlobalValue *GlobalAlias::getAliasedGlobal() const { return cast<GlobalValue>(CE->getOperand(0)); } -const GlobalValue *GlobalAlias::resolveAliasedGlobal(bool stopOnWeak) const { - SmallPtrSet<const GlobalValue*, 3> Visited; +GlobalValue *GlobalAlias::resolveAliasedGlobal(bool stopOnWeak) { + SmallPtrSet<GlobalValue*, 3> Visited; // Check if we need to stop early. if (stopOnWeak && mayBeOverridden()) return this; - const GlobalValue *GV = getAliasedGlobal(); + GlobalValue *GV = getAliasedGlobal(); Visited.insert(GV); // Iterate over aliasing chain, stopping on weak alias if necessary. - while (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) { + while (GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) { if (stopOnWeak && GA->mayBeOverridden()) break; |