diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/IPO/IndMemRemoval.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/IPO/IndMemRemoval.cpp b/llvm/lib/Transforms/IPO/IndMemRemoval.cpp index b251ab4b09c..6b1f969e440 100644 --- a/llvm/lib/Transforms/IPO/IndMemRemoval.cpp +++ b/llvm/lib/Transforms/IPO/IndMemRemoval.cpp @@ -44,11 +44,11 @@ static RegisterPass<IndMemRemPass> X("indmemrem","Indirect Malloc and Free Removal"); bool IndMemRemPass::runOnModule(Module &M) { - //in Theory, all direct calls of malloc and free should be promoted - //to intrinsics. Therefor, this goes through and finds where the - //address of free or malloc are taken and replaces those with bounce - //functions, ensuring that all malloc and free that might happen - //happen through intrinsics. + // In theory, all direct calls of malloc and free should be promoted + // to intrinsics. Therefore, this goes through and finds where the + // address of free or malloc are taken and replaces those with bounce + // functions, ensuring that all malloc and free that might happen + // happen through intrinsics. bool changed = false; if (Function* F = M.getFunction("free")) { if (F->isDeclaration() && F->arg_size() == 1 && !F->use_empty()) { @@ -69,6 +69,7 @@ bool IndMemRemPass::runOnModule(Module &M) { Function* FN = Function::Create(F->getFunctionType(), GlobalValue::LinkOnceLinkage, "malloc_llvm_bounce", &M); + FN->setDoesNotAlias(0); BasicBlock* bb = BasicBlock::Create("entry",FN); Instruction* c = CastInst::CreateIntegerCast( FN->arg_begin(), Type::Int32Ty, false, "c", bb); |
