diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h index f741416f265..b10a545b0ae 100644 --- a/include/llvm/Analysis/DebugInfo.h +++ b/include/llvm/Analysis/DebugInfo.h @@ -467,6 +467,7 @@ namespace llvm { LLVMContext& VMContext; // Cached values for uniquing and faster lookups. + const Type *EmptyStructPtr; // "{}*". Function *StopPointFn; // llvm.dbg.stoppoint Function *FuncStartFn; // llvm.dbg.func.start Function *RegionStartFn; // llvm.dbg.region.start diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp index 047837c2fb2..1b58b5ed57f 100644 --- a/lib/Analysis/DebugInfo.cpp +++ b/lib/Analysis/DebugInfo.cpp @@ -608,7 +608,9 @@ void DIVariable::dump() const { DIFactory::DIFactory(Module &m) : M(m), VMContext(M.getContext()), StopPointFn(0), FuncStartFn(0), RegionStartFn(0), RegionEndFn(0), - DeclareFn(0) {} + DeclareFn(0) { + EmptyStructPtr = PointerType::getUnqual(StructType::get(VMContext)); +} Constant *DIFactory::GetTagConstant(unsigned TAG) { assert((TAG & LLVMDebugVersionMask) == 0 && @@ -1035,7 +1037,10 @@ void DIFactory::InsertRegionEnd(DIDescriptor D, BasicBlock *BB) { /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call. Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D, - Instruction *InsertBefore) { + Instruction *InsertBefore) { + // Cast the storage to a {}* for the call to llvm.dbg.declare. + Storage = new BitCastInst(Storage, EmptyStructPtr, "", InsertBefore); + if (!DeclareFn) DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare); @@ -1045,7 +1050,10 @@ Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D, /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call. Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D, - BasicBlock *InsertAtEnd) { + BasicBlock *InsertAtEnd) { + // Cast the storage to a {}* for the call to llvm.dbg.declare. + Storage = new BitCastInst(Storage, EmptyStructPtr, "", InsertAtEnd); + if (!DeclareFn) DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);