diff options
Diffstat (limited to 'lib/Transforms/Utils/CloneFunction.cpp')
-rw-r--r-- | lib/Transforms/Utils/CloneFunction.cpp | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/CloneFunction.cpp b/lib/Transforms/Utils/CloneFunction.cpp index 314c990293cc..7e75e8847785 100644 --- a/lib/Transforms/Utils/CloneFunction.cpp +++ b/lib/Transforms/Utils/CloneFunction.cpp @@ -46,13 +46,21 @@ BasicBlock *llvm::CloneBasicBlock(const BasicBlock *BB, ValueToValueMapTy &VMap, if (BB->hasName()) NewBB->setName(BB->getName()+NameSuffix); bool hasCalls = false, hasDynamicAllocas = false, hasStaticAllocas = false; - + Module *TheModule = F ? F->getParent() : nullptr; + // Loop over all instructions, and copy them over. for (BasicBlock::const_iterator II = BB->begin(), IE = BB->end(); II != IE; ++II) { - if (DIFinder && F->getParent() && II->getDebugLoc()) - DIFinder->processLocation(*F->getParent(), II->getDebugLoc().get()); + if (DIFinder && TheModule) { + if (auto *DDI = dyn_cast<DbgDeclareInst>(II)) + DIFinder->processDeclare(*TheModule, DDI); + else if (auto *DVI = dyn_cast<DbgValueInst>(II)) + DIFinder->processValue(*TheModule, DVI); + + if (auto DbgLoc = II->getDebugLoc()) + DIFinder->processLocation(*TheModule, DbgLoc.get()); + } Instruction *NewInst = II->clone(); if (II->hasName()) @@ -153,6 +161,8 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc, // When we remap instructions, we want to avoid duplicating inlined // DISubprograms, so record all subprograms we find as we duplicate // instructions and then freeze them in the MD map. + // We also record information about dbg.value and dbg.declare to avoid + // duplicating the types. DebugInfoFinder DIFinder; // Loop over all of the basic blocks in the function, cloning them as @@ -193,6 +203,10 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc, } } + for (auto *Type : DIFinder.types()) { + VMap.MD()[Type].reset(Type); + } + // Loop over all of the instructions in the function, fixing up operand // references as we go. This uses VMap to do all the hard work. for (Function::iterator BB = |