6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-06-15 21:24:00 +00:00
Code Issues Projects Releases Wiki Activity

[opaque pointer type] bitcode: add explicit callee type to invoke instructions

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235735 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2015-04-24 18:06:06 +00:00
parent 1dd6b024a2
commit c5b1f0a49d
5 changed files with 33 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -3863,24 +3863,33 @@ std::error_code BitcodeReader::ParseFunctionBody(Function *F) {
// INVOKE: [attrs, cc, normBB, unwindBB, fnty, op0,op1,op2, ...]
if (Record.size() < 4)
return Error("Invalid record");
AttributeSet PAL = getAttributes(Record[0]);
unsigned CCInfo = Record[1];
BasicBlock *NormalBB = getBasicBlock(Record[2]);
BasicBlock *UnwindBB = getBasicBlock(Record[3]);
unsigned OpNum = 0;
AttributeSet PAL = getAttributes(Record[OpNum++]);
unsigned CCInfo = Record[OpNum++];
BasicBlock *NormalBB = getBasicBlock(Record[OpNum++]);
BasicBlock *UnwindBB = getBasicBlock(Record[OpNum++]);
FunctionType *FTy = nullptr;
if (CCInfo >> 13 & 1 &&
!(FTy = dyn_cast<FunctionType>(getTypeByID(Record[OpNum++]))))
return Error("Explicit invoke type is not a function type");
unsigned OpNum = 4;
Value *Callee;
if (getValueTypePair(Record, OpNum, NextValueNo, Callee))
return Error("Invalid record");
PointerType *CalleeTy = dyn_cast<PointerType>(Callee->getType());
FunctionType *FTy = !CalleeTy ? nullptr :
dyn_cast<FunctionType>(CalleeTy->getElementType());
// Check that the right number of fixed parameters are here.
if (!FTy || !NormalBB || !UnwindBB ||
Record.size() < OpNum+FTy->getNumParams())
return Error("Invalid record");
if (!CalleeTy)
return Error("Callee is not a pointer");
if (!FTy) {
FTy = dyn_cast<FunctionType>(CalleeTy->getElementType());
if (!FTy)
return Error("Callee is not of pointer to function type");
} else if (CalleeTy->getElementType() != FTy)
return Error("Explicit invoke type does not match pointee type of "
"callee operand");
if (Record.size() < FTy->getNumParams() + OpNum)
return Error("Insufficient operands to call");
SmallVector<Value*, 16> Ops;
for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i, ++OpNum) {
@ -3905,8 +3914,8 @@ std::error_code BitcodeReader::ParseFunctionBody(Function *F) {
I = InvokeInst::Create(Callee, NormalBB, UnwindBB, Ops);
InstructionList.push_back(I);
cast<InvokeInst>(I)->setCallingConv(
static_cast<CallingConv::ID>(CCInfo));
cast<InvokeInst>(I)
->setCallingConv(static_cast<CallingConv::ID>(~(1U << 13) & CCInfo));
cast<InvokeInst>(I)->setAttributes(PAL);
break;
}