diff options
| -rw-r--r-- | lib/Transforms/IPO/StripSymbols.cpp | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/lib/Transforms/IPO/StripSymbols.cpp b/lib/Transforms/IPO/StripSymbols.cpp index ee6fbd3cba..77579d7bfa 100644 --- a/lib/Transforms/IPO/StripSymbols.cpp +++ b/lib/Transforms/IPO/StripSymbols.cpp @@ -368,29 +368,27 @@ bool StripNonDebugSymbols::runOnModule(Module &M) { bool StripDebugDeclare::runOnModule(Module &M) { Function *Declare = M.getFunction("llvm.dbg.declare"); - - if (!Declare) - return false; - std::vector<Constant*> DeadConstants; - while (!Declare->use_empty()) { - CallInst *CI = cast<CallInst>(Declare->use_back()); - Value *Arg1 = CI->getOperand(1); - Value *Arg2 = CI->getOperand(2); - assert(CI->use_empty() && "llvm.dbg intrinsic should have void result"); - CI->eraseFromParent(); - if (Arg1->use_empty()) { - if (Constant *C = dyn_cast<Constant>(Arg1)) - DeadConstants.push_back(C); - else - RecursivelyDeleteTriviallyDeadInstructions(Arg1, NULL); + if (Declare) { + while (!Declare->use_empty()) { + CallInst *CI = cast<CallInst>(Declare->use_back()); + Value *Arg1 = CI->getOperand(1); + Value *Arg2 = CI->getOperand(2); + assert(CI->use_empty() && "llvm.dbg intrinsic should have void result"); + CI->eraseFromParent(); + if (Arg1->use_empty()) { + if (Constant *C = dyn_cast<Constant>(Arg1)) + DeadConstants.push_back(C); + else + RecursivelyDeleteTriviallyDeadInstructions(Arg1, NULL); + } + if (Arg2->use_empty()) + if (Constant *C = dyn_cast<Constant>(Arg2)) + DeadConstants.push_back(C); } - if (Arg2->use_empty()) - if (Constant *C = dyn_cast<Constant>(Arg2)) - DeadConstants.push_back(C); + Declare->eraseFromParent(); } - Declare->eraseFromParent(); // Delete all llvm.dbg.global_variables. for (Module::global_iterator I = M.global_begin(), E = M.global_end(); |