Fix a bug that caused alignment information to occasionally get stripped off

of an allocation instruction when writing to bytecode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35796 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-04-09 03:37:36 +00:00
parent 3d6b71eb67
commit 39a6a36c5a

View File

@ -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)));