diff options
Diffstat (limited to 'lib/Bytecode')
| -rw-r--r-- | lib/Bytecode/Writer/Writer.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/Bytecode/Writer/Writer.cpp b/lib/Bytecode/Writer/Writer.cpp index e0aa110d5c..925ae1f464 100644 --- a/lib/Bytecode/Writer/Writer.cpp +++ b/lib/Bytecode/Writer/Writer.cpp @@ -429,8 +429,14 @@ void BytecodeWriter::outputInstructionFormat0(const Instruction *I, output_typeid(Type); // Result type unsigned NumArgs = I->getNumOperands(); - output_vbr(NumArgs + (isa<CastInst>(I) || isa<InvokeInst>(I) || - isa<CmpInst>(I) || isa<VAArgInst>(I) || Opcode == 58)); + bool HasExtraArg = false; + if (isa<CastInst>(I) || isa<InvokeInst>(I) || + isa<CmpInst>(I) || isa<VAArgInst>(I) || Opcode == 58) + HasExtraArg = true; + if (const AllocationInst *AI = dyn_cast<AllocationInst>(I)) + HasExtraArg = AI->getAlignment() != 0; + + output_vbr(NumArgs + HasExtraArg); if (!isa<GetElementPtrInst>(&I)) { for (unsigned i = 0; i < NumArgs; ++i) @@ -445,6 +451,9 @@ void BytecodeWriter::outputInstructionFormat0(const Instruction *I, } else if (Opcode == 58) { // Call escape sequence output_vbr((cast<CallInst>(I)->getCallingConv() << 1) | unsigned(cast<CallInst>(I)->isTailCall())); + } else if (const AllocationInst *AI = dyn_cast<AllocationInst>(I)) { + if (AI->getAlignment()) + output_vbr((unsigned)Log2_32(AI->getAlignment())+1); } } else { output_vbr(Table.getSlot(I->getOperand(0))); |