diff options
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LowerAllocations.cpp | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/llvm/lib/Transforms/Scalar/LowerAllocations.cpp b/llvm/lib/Transforms/Scalar/LowerAllocations.cpp index 001028eb21a..99eb2d044e4 100644 --- a/llvm/lib/Transforms/Scalar/LowerAllocations.cpp +++ b/llvm/lib/Transforms/Scalar/LowerAllocations.cpp @@ -20,40 +20,39 @@ using std::vector; namespace { -// LowerAllocations - Turn malloc and free instructions into %malloc and %free -// calls. -// -class LowerAllocations : public BasicBlockPass { - Function *MallocFunc; // Functions in the module we are processing - Function *FreeFunc; // Initialized by doInitialization - - const TargetData &DataLayout; -public: - LowerAllocations(const TargetData &TD) : DataLayout(TD) { - MallocFunc = FreeFunc = 0; - } - - // doPassInitialization - For the lower allocations pass, this ensures that a - // module contains a declaration for a malloc and a free function. - // - bool doInitialization(Module &M); + /// LowerAllocations - Turn malloc and free instructions into %malloc and + /// %free calls. + /// + class LowerAllocations : public BasicBlockPass { + Function *MallocFunc; // Functions in the module we are processing + Function *FreeFunc; // Initialized by doInitialization + public: + LowerAllocations() : MallocFunc(0), FreeFunc(0) {} + + virtual void getAnalysisUsage(AnalysisUsage &AU) const { + AU.addRequired<TargetData>(); + } - // runOnBasicBlock - This method does the actual work of converting - // instructions over, assuming that the pass has already been initialized. - // - bool runOnBasicBlock(BasicBlock &BB); -}; + /// doPassInitialization - For the lower allocations pass, this ensures that + /// a module contains a declaration for a malloc and a free function. + /// + bool doInitialization(Module &M); + + /// runOnBasicBlock - This method does the actual work of converting + /// instructions over, assuming that the pass has already been initialized. + /// + bool runOnBasicBlock(BasicBlock &BB); + }; + + RegisterOpt<LowerAllocations> + X("lowerallocs", "Lower allocations from instructions to calls"); } // createLowerAllocationsPass - Interface to this file... -Pass *createLowerAllocationsPass(const TargetData &TD) { - return new LowerAllocations(TD); +Pass *createLowerAllocationsPass() { + return new LowerAllocations(); } -static RegisterOpt<LowerAllocations> -X("lowerallocs", "Lower allocations from instructions to calls (TD)", - createLowerAllocationsPass); - // doInitialization - For the lower allocations pass, this ensures that a // module contains a declaration for a malloc and a free function. @@ -83,6 +82,7 @@ bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) { assert(MallocFunc && FreeFunc && "Pass not initialized!"); BasicBlock::InstListType &BBIL = BB.getInstList(); + TargetData &DataLayout = getAnalysis<TargetData>(); // Loop over all of the instructions, looking for malloc or free instructions for (BasicBlock::iterator I = BB.begin(), E = BB.end(); I != E; ++I) { |
