diff options
Diffstat (limited to 'llvm/lib/Bitcode')
| -rw-r--r-- | llvm/lib/Bitcode/Reader/BitcodeReader.cpp | 9 | ||||
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 9 |
2 files changed, 17 insertions, 1 deletions
diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp index 61e0ab98989..c1cfa975a71 100644 --- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp @@ -1216,6 +1216,15 @@ bool BitcodeReader::ParseFunctionBody(Function *F) { CurBB = FunctionBBs[0]; continue; + case bitc::FUNC_CODE_INST_BB_UNWINDDEST: // BB_UNWINDDEST: [bb#] + if (CurBB->getUnwindDest()) + return Error("Only permit one BB_UNWINDDEST per BB"); + if (Record.size() != 1) + return Error("Invalid BB_UNWINDDEST record"); + + CurBB->setUnwindDest(getBasicBlock(Record[0])); + continue; + case bitc::FUNC_CODE_INST_BINOP: { // BINOP: [opval, ty, opval, opcode] unsigned OpNum = 0; Value *LHS, *RHS; diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 5de38b82156..67b13e30bad 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -969,13 +969,20 @@ static void WriteFunction(const Function &F, ValueEnumerator &VE, unsigned InstID = CstEnd; // Finally, emit all the instructions, in order. - for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) + for (Function::const_iterator BB = F.begin(), E = F.end(); BB != E; ++BB) { + if (const BasicBlock *unwindDest = BB->getUnwindDest()) { + Vals.push_back(VE.getValueID(unwindDest)); + Stream.EmitRecord(bitc::FUNC_CODE_INST_BB_UNWINDDEST, Vals); + Vals.clear(); + } + for (BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I) { WriteInstruction(*I, InstID, VE, Stream, Vals); if (I->getType() != Type::VoidTy) ++InstID; } + } // Emit names for all the instructions etc. WriteValueSymbolTable(F.getValueSymbolTable(), VE, Stream); |
