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llvm-svn: 36096
This commit is contained in:
Reid Spencer 2007-04-16 00:40:57 +00:00
parent 4d7295a38c
commit 499c46e182
3 changed files with 400 additions and 346 deletions
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639
tools/llvm-upgrade/UpgradeParser.cpp.cvs
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2
tools/llvm-upgrade/UpgradeParser.h.cvs
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@ -335,7 +335,7 @@
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 1742 "/proj/llvm/llvm-2/tools/llvm-upgrade/UpgradeParser.y"
#line 1770 "/proj/llvm/llvm-2/tools/llvm-upgrade/UpgradeParser.y"
typedef union YYSTYPE {
llvm::Module *ModuleVal;
llvm::Function *FunctionVal;

105
tools/llvm-upgrade/UpgradeParser.y.cvs
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@ -1529,56 +1529,84 @@ upgradeIntrinsicCall(const Type* RetTy, const ValID &ID,
return 0;
}
const Type* upgradeGEPIndices(const Type* PTy,
std::vector<ValueInfo> *Indices,
std::vector<Value*> &VIndices,
std::vector<Constant*> *CIndices = 0) {
// Traverse the indices with a gep_type_iterator so we can build the list
// of constant and value indices for use later. Also perform upgrades
VIndices.clear();
if (CIndices) CIndices->clear();
for (unsigned i = 0, e = Indices->size(); i != e; ++i)
VIndices.push_back((*Indices)[i].V);
generic_gep_type_iterator<std::vector<Value*>::iterator>
GTI = gep_type_begin(PTy, VIndices.begin(), VIndices.end()),
GTE = gep_type_end(PTy, VIndices.begin(), VIndices.end());
for (unsigned i = 0, e = Indices->size(); i != e && GTI != GTE; ++i, ++GTI) {
Value *Index = VIndices[i];
if (CIndices && !isa<Constant>(Index))
error("Indices to constant getelementptr must be constants");
// LLVM 1.2 and earlier used ubyte struct indices. Convert any ubyte
// struct indices to i32 struct indices with ZExt for compatibility.
else if (isa<StructType>(*GTI)) { // Only change struct indices
if (ConstantInt *CUI = dyn_cast<ConstantInt>(Index))
if (CUI->getType()->getBitWidth() == 8)
Index =
ConstantExpr::getCast(Instruction::ZExt, CUI, Type::Int32Ty);
const Type* upgradeGEPCEIndices(const Type* PTy,
std::vector<ValueInfo> *Indices,
std::vector<Constant*> &Result) {
const Type *Ty = PTy;
Result.clear();
for (unsigned i = 0, e = Indices->size(); i != e ; ++i) {
Constant *Index = cast<Constant>((*Indices)[i].V);
if (ConstantInt *CI = dyn_cast<ConstantInt>(Index)) {
// LLVM 1.2 and earlier used ubyte struct indices. Convert any ubyte
// struct indices to i32 struct indices with ZExt for compatibility.
if (CI->getBitWidth() < 32)
Index = ConstantExpr::getCast(Instruction::ZExt, CI, Type::Int32Ty);
}
if (isa<SequentialType>(Ty)) {
// Make sure that unsigned SequentialType indices are zext'd to
// 64-bits if they were smaller than that because LLVM 2.0 will sext
// all indices for SequentialType elements. We must retain the same
// semantic (zext) for unsigned types.
if (const IntegerType *Ity = dyn_cast<IntegerType>(Index->getType())) {
if (Ity->getBitWidth() < 64 && (*Indices)[i].S.isUnsigned()) {
Index = ConstantExpr::getCast(Instruction::ZExt, Index,Type::Int64Ty);
}
}
}
Result.push_back(Index);
Ty = GetElementPtrInst::getIndexedType(PTy, (Value**)&Result[0],
Result.size(),true);
if (!Ty)
error("Index list invalid for constant getelementptr");
}
return Ty;
}
const Type* upgradeGEPInstIndices(const Type* PTy,
std::vector<ValueInfo> *Indices,
std::vector<Value*> &Result) {
const Type *Ty = PTy;
Result.clear();
for (unsigned i = 0, e = Indices->size(); i != e ; ++i) {
Value *Index = (*Indices)[i].V;
if (ConstantInt *CI = dyn_cast<ConstantInt>(Index)) {
// LLVM 1.2 and earlier used ubyte struct indices. Convert any ubyte
// struct indices to i32 struct indices with ZExt for compatibility.
if (CI->getBitWidth() < 32)
Index = ConstantExpr::getCast(Instruction::ZExt, CI, Type::Int32Ty);
}
if (isa<StructType>(Ty)) { // Only change struct indices
if (!isa<Constant>(Index)) {
error("Invalid non-constant structure index");
return 0;
}
} else {
// Make sure that unsigned SequentialType indices are zext'd to
// 64-bits if they were smaller than that because LLVM 2.0 will sext
// all indices for SequentialType elements. We must retain the same
// semantic (zext) for unsigned types.
if (const IntegerType *Ity = dyn_cast<IntegerType>(Index->getType()))
if (const IntegerType *Ity = dyn_cast<IntegerType>(Index->getType())) {
if (Ity->getBitWidth() < 64 && (*Indices)[i].S.isUnsigned()) {
if (CIndices)
if (isa<Constant>(Index))
Index = ConstantExpr::getCast(Instruction::ZExt,
cast<Constant>(Index), Type::Int64Ty);
else
Index = CastInst::create(Instruction::ZExt, Index, Type::Int64Ty,
makeNameUnique("gep"), CurBB);
VIndices[i] = Index;
}
}
}
// Add to the CIndices list, if requested.
if (CIndices)
CIndices->push_back(cast<Constant>(Index));
}
const Type *IdxTy =
GetElementPtrInst::getIndexedType(PTy, &VIndices[0], VIndices.size(), true);
if (!IdxTy)
Result.push_back(Index);
Ty = GetElementPtrInst::getIndexedType(PTy, &Result[0], Result.size(),true);
if (!Ty)
error("Index list invalid for constant getelementptr");
return IdxTy;
}
return Ty;
}
unsigned upgradeCallingConv(unsigned CC) {
@ -2525,9 +2553,8 @@ ConstExpr
if (!isa<PointerType>(Ty))
error("GetElementPtr requires a pointer operand");
std::vector<Value*> VIndices;
std::vector<Constant*> CIndices;
upgradeGEPIndices($3.C->getType(), $4, VIndices, &CIndices);
upgradeGEPCEIndices($3.C->getType(), $4, CIndices);
delete $4;
$$.C = ConstantExpr::getGetElementPtr($3.C, &CIndices[0], CIndices.size());
@ -3857,7 +3884,7 @@ MemoryInst
error("getelementptr insn requires pointer operand");
std::vector<Value*> VIndices;
upgradeGEPIndices(Ty, $4, VIndices);
upgradeGEPInstIndices(Ty, $4, VIndices);
Value* tmpVal = getVal(Ty, $3);
$$.I = new GetElementPtrInst(tmpVal, &VIndices[0], VIndices.size());