remove support for a bunch of obsolete instruction encodings
and other backward compatibility hacks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index d807e2d..d72732f 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -2087,18 +2087,6 @@
break;
}
- case bitc::FUNC_CODE_INST_GETRESULT: { // GETRESULT: [ty, val, n]
- if (Record.size() != 2)
- return Error("Invalid GETRESULT record");
- unsigned OpNum = 0;
- Value *Op;
- getValueTypePair(Record, OpNum, NextValueNo, Op);
- unsigned Index = Record[1];
- I = ExtractValueInst::Create(Op, Index);
- InstructionList.push_back(I);
- break;
- }
-
case bitc::FUNC_CODE_INST_RET: // RET: [opty,opval<optional>]
{
unsigned Size = Record.size();
@@ -2109,33 +2097,13 @@
}
unsigned OpNum = 0;
- SmallVector<Value *,4> Vs;
- do {
- Value *Op = NULL;
- if (getValueTypePair(Record, OpNum, NextValueNo, Op))
- return Error("Invalid RET record");
- Vs.push_back(Op);
- } while(OpNum != Record.size());
+ Value *Op = NULL;
+ if (getValueTypePair(Record, OpNum, NextValueNo, Op))
+ return Error("Invalid RET record");
+ if (OpNum != Record.size())
+ return Error("Invalid RET record");
- const Type *ReturnType = F->getReturnType();
- // Handle multiple return values. FIXME: Remove in LLVM 3.0.
- if (Vs.size() > 1 ||
- (ReturnType->isStructTy() &&
- (Vs.empty() || Vs[0]->getType() != ReturnType))) {
- Value *RV = UndefValue::get(ReturnType);
- for (unsigned i = 0, e = Vs.size(); i != e; ++i) {
- I = InsertValueInst::Create(RV, Vs[i], i, "mrv");
- InstructionList.push_back(I);
- CurBB->getInstList().push_back(I);
- ValueList.AssignValue(I, NextValueNo++);
- RV = I;
- }
- I = ReturnInst::Create(Context, RV);
- InstructionList.push_back(I);
- break;
- }
-
- I = ReturnInst::Create(Context, Vs[0]);
+ I = ReturnInst::Create(Context, Op);
InstructionList.push_back(I);
break;
}
@@ -2282,47 +2250,14 @@
break;
}
- case bitc::FUNC_CODE_INST_MALLOC: { // MALLOC: [instty, op, align]
- // Autoupgrade malloc instruction to malloc call.
- // FIXME: Remove in LLVM 3.0.
- if (Record.size() < 3)
- return Error("Invalid MALLOC record");
+ case bitc::FUNC_CODE_INST_ALLOCA: { // ALLOCA: [instty, opty, op, align]
+ if (Record.size() != 4)
+ return Error("Invalid ALLOCA record");
const PointerType *Ty =
dyn_cast_or_null<PointerType>(getTypeByID(Record[0]));
- Value *Size = getFnValueByID(Record[1], Type::getInt32Ty(Context));
- if (!Ty || !Size) return Error("Invalid MALLOC record");
- if (!CurBB) return Error("Invalid malloc instruction with no BB");
- const Type *Int32Ty = IntegerType::getInt32Ty(CurBB->getContext());
- Constant *AllocSize = ConstantExpr::getSizeOf(Ty->getElementType());
- AllocSize = ConstantExpr::getTruncOrBitCast(AllocSize, Int32Ty);
- I = CallInst::CreateMalloc(CurBB, Int32Ty, Ty->getElementType(),
- AllocSize, Size, NULL);
- InstructionList.push_back(I);
- break;
- }
- case bitc::FUNC_CODE_INST_FREE: { // FREE: [op, opty]
- unsigned OpNum = 0;
- Value *Op;
- if (getValueTypePair(Record, OpNum, NextValueNo, Op) ||
- OpNum != Record.size())
- return Error("Invalid FREE record");
- if (!CurBB) return Error("Invalid free instruction with no BB");
- I = CallInst::CreateFree(Op, CurBB);
- InstructionList.push_back(I);
- break;
- }
- case bitc::FUNC_CODE_INST_ALLOCA: { // ALLOCA: [instty, opty, op, align]
- // For backward compatibility, tolerate a lack of an opty, and use i32.
- // Remove this in LLVM 3.0.
- if (Record.size() < 3 || Record.size() > 4)
- return Error("Invalid ALLOCA record");
- unsigned OpNum = 0;
- const PointerType *Ty =
- dyn_cast_or_null<PointerType>(getTypeByID(Record[OpNum++]));
- const Type *OpTy = Record.size() == 4 ? getTypeByID(Record[OpNum++]) :
- Type::getInt32Ty(Context);
- Value *Size = getFnValueByID(Record[OpNum++], OpTy);
- unsigned Align = Record[OpNum++];
+ const Type *OpTy = getTypeByID(Record[1]);
+ Value *Size = getFnValueByID(Record[2], OpTy);
+ unsigned Align = Record[3];
if (!Ty || !Size) return Error("Invalid ALLOCA record");
I = new AllocaInst(Ty->getElementType(), Size, (1 << Align) >> 1);
InstructionList.push_back(I);
@@ -2352,22 +2287,6 @@
InstructionList.push_back(I);
break;
}
- case bitc::FUNC_CODE_INST_STORE: { // STORE:[val, valty, ptr, align, vol]
- // FIXME: Legacy form of store instruction. Should be removed in LLVM 3.0.
- unsigned OpNum = 0;
- Value *Val, *Ptr;
- if (getValueTypePair(Record, OpNum, NextValueNo, Val) ||
- getValue(Record, OpNum,
- PointerType::getUnqual(Val->getType()), Ptr)||
- OpNum+2 != Record.size())
- return Error("Invalid STORE record");
-
- I = new StoreInst(Val, Ptr, Record[OpNum+1], (1 << Record[OpNum]) >> 1);
- InstructionList.push_back(I);
- break;
- }
- // FIXME: Remove this in LLVM 3.0.
- case bitc::FUNC_CODE_INST_CALL:
case bitc::FUNC_CODE_INST_CALL2: {
// CALL: [paramattrs, cc, fnty, fnid, arg0, arg1...]
if (Record.size() < 3)