diff --git a/include/llvm/DebugInfo.h b/include/llvm/DebugInfo.h index 07bd832bde8..0ff7d856823 100644 --- a/include/llvm/DebugInfo.h +++ b/include/llvm/DebugInfo.h @@ -753,6 +753,12 @@ DIVariable cleanseInlinedVariable(MDNode *DV, LLVMContext &VMContext); /// Construct DITypeIdentifierMap by going through retained types of each CU. DITypeIdentifierMap generateDITypeIdentifierMap(const NamedMDNode *CU_Nodes); +/// Strip debug info in the module if it exists. +/// To do this, we remove all calls to the debugger intrinsics and any named +/// metadata for debugging. We also remove debug locations for instructions. +/// Return true if module is modified. +bool StripDebugInfo(Module &M); + /// DebugInfoFinder tries to list all debug info MDNodes used in a module. To /// list debug info MDNodes used by an instruction, DebugInfoFinder uses /// processDeclare, processValue and processLocation to handle DbgDeclareInst, diff --git a/lib/IR/DebugInfo.cpp b/lib/IR/DebugInfo.cpp index 692e236b931..5dcc6f6590b 100644 --- a/lib/IR/DebugInfo.cpp +++ b/lib/IR/DebugInfo.cpp @@ -1426,3 +1426,55 @@ DIScopeRef DIDescriptor::getFieldAs(unsigned Elt) const { template <> DITypeRef DIDescriptor::getFieldAs(unsigned Elt) const { return DITypeRef(getField(DbgNode, Elt)); } + +/// Strip debug info in the module if it exists. +/// To do this, we remove all calls to the debugger intrinsics and any named +/// metadata for debugging. We also remove debug locations for instructions. +/// Return true if module is modified. +bool llvm::StripDebugInfo(Module &M) { + + bool Changed = false; + + // Remove all of the calls to the debugger intrinsics, and remove them from + // the module. + if (Function *Declare = M.getFunction("llvm.dbg.declare")) { + while (!Declare->use_empty()) { + CallInst *CI = cast(Declare->use_back()); + CI->eraseFromParent(); + } + Declare->eraseFromParent(); + Changed = true; + } + + if (Function *DbgVal = M.getFunction("llvm.dbg.value")) { + while (!DbgVal->use_empty()) { + CallInst *CI = cast(DbgVal->use_back()); + CI->eraseFromParent(); + } + DbgVal->eraseFromParent(); + Changed = true; + } + + for (Module::named_metadata_iterator NMI = M.named_metadata_begin(), + NME = M.named_metadata_end(); NMI != NME;) { + NamedMDNode *NMD = NMI; + ++NMI; + if (NMD->getName().startswith("llvm.dbg.")) { + NMD->eraseFromParent(); + Changed = true; + } + } + + for (Module::iterator MI = M.begin(), ME = M.end(); MI != ME; ++MI) + for (Function::iterator FI = MI->begin(), FE = MI->end(); FI != FE; + ++FI) + for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE; + ++BI) { + if (!BI->getDebugLoc().isUnknown()) { + Changed = true; + BI->setDebugLoc(DebugLoc()); + } + } + + return Changed; +} diff --git a/lib/Transforms/IPO/StripSymbols.cpp b/lib/Transforms/IPO/StripSymbols.cpp index 1792aa866d2..c4f5cfc1b35 100644 --- a/lib/Transforms/IPO/StripSymbols.cpp +++ b/lib/Transforms/IPO/StripSymbols.cpp @@ -231,57 +231,6 @@ static bool StripSymbolNames(Module &M, bool PreserveDbgInfo) { return true; } -// StripDebugInfo - Strip debug info in the module if it exists. -// To do this, we remove llvm.dbg.func.start, llvm.dbg.stoppoint, and -// llvm.dbg.region.end calls, and any globals they point to if now dead. -static bool StripDebugInfo(Module &M) { - - bool Changed = false; - - // Remove all of the calls to the debugger intrinsics, and remove them from - // the module. - if (Function *Declare = M.getFunction("llvm.dbg.declare")) { - while (!Declare->use_empty()) { - CallInst *CI = cast(Declare->use_back()); - CI->eraseFromParent(); - } - Declare->eraseFromParent(); - Changed = true; - } - - if (Function *DbgVal = M.getFunction("llvm.dbg.value")) { - while (!DbgVal->use_empty()) { - CallInst *CI = cast(DbgVal->use_back()); - CI->eraseFromParent(); - } - DbgVal->eraseFromParent(); - Changed = true; - } - - for (Module::named_metadata_iterator NMI = M.named_metadata_begin(), - NME = M.named_metadata_end(); NMI != NME;) { - NamedMDNode *NMD = NMI; - ++NMI; - if (NMD->getName().startswith("llvm.dbg.")) { - NMD->eraseFromParent(); - Changed = true; - } - } - - for (Module::iterator MI = M.begin(), ME = M.end(); MI != ME; ++MI) - for (Function::iterator FI = MI->begin(), FE = MI->end(); FI != FE; - ++FI) - for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE; - ++BI) { - if (!BI->getDebugLoc().isUnknown()) { - Changed = true; - BI->setDebugLoc(DebugLoc()); - } - } - - return Changed; -} - bool StripSymbols::runOnModule(Module &M) { bool Changed = false; Changed |= StripDebugInfo(M);