//
//===----------------------------------------------------------------------===//
+#include "llvm/Type.h"
#include "LLVMContextImpl.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/Module.h"
#include <algorithm>
#include <cstdarg>
-#include "llvm/ADT/SmallString.h"
using namespace llvm;
//===----------------------------------------------------------------------===//
return this;
}
+const Type *Type::getScalarType() const {
+ if (const VectorType *VTy = dyn_cast<VectorType>(this))
+ return VTy->getElementType();
+ return this;
+}
+
/// isIntegerTy - Return true if this is an IntegerType of the specified width.
bool Type::isIntegerTy(unsigned Bitwidth) const {
return isIntegerTy() && cast<IntegerType>(this)->getBitWidth() == Bitwidth;
}
-/// isIntOrIntVectorTy - Return true if this is an integer type or a vector of
-/// integer types.
-///
-bool Type::isIntOrIntVectorTy() const {
- if (isIntegerTy())
- return true;
- if (getTypeID() != Type::VectorTyID) return false;
-
- return cast<VectorType>(this)->getElementType()->isIntegerTy();
-}
-
-/// isFPOrFPVectorTy - Return true if this is a FP type or a vector of FP types.
-///
-bool Type::isFPOrFPVectorTy() const {
- if (getTypeID() == Type::HalfTyID || getTypeID() == Type::FloatTyID ||
- getTypeID() == Type::DoubleTyID ||
- getTypeID() == Type::FP128TyID || getTypeID() == Type::X86_FP80TyID ||
- getTypeID() == Type::PPC_FP128TyID)
- return true;
- if (getTypeID() != Type::VectorTyID) return false;
-
- return cast<VectorType>(this)->getElementType()->isFloatingPointTy();
-}
-
// canLosslesslyBitCastTo - Return true if this type can be converted to
// 'Ty' without any reinterpretation of bits. For example, i8* to i32*.
//
}
/// isSizedDerivedType - Derived types like structures and arrays are sized
-/// if all of the members of the type are sized as well. Since asking for
+/// iff all of the members of the type are sized as well. Since asking for
/// their size is relatively uncommon, move this operation out of line.
bool Type::isSizedDerivedType() const {
if (this->isIntegerTy())
}
unsigned Type::getPointerAddressSpace() const {
- return cast<PointerType>(this)->getAddressSpace();
+ return cast<PointerType>(getScalarType())->getAddressSpace();
}
Type *CompositeType::getTypeAtIndex(const Value *V) {
if (StructType *STy = dyn_cast<StructType>(this)) {
- unsigned Idx = (unsigned)cast<ConstantInt>(V)->getZExtValue();
+ unsigned Idx =
+ (unsigned)cast<Constant>(V)->getUniqueInteger().getZExtValue();
assert(indexValid(Idx) && "Invalid structure index!");
return STy->getElementType(Idx);
}
-
+
return cast<SequentialType>(this)->getElementType();
}
Type *CompositeType::getTypeAtIndex(unsigned Idx) {
}
bool CompositeType::indexValid(const Value *V) const {
if (const StructType *STy = dyn_cast<StructType>(this)) {
- // Structure indexes require 32-bit integer constants.
- if (V->getType()->isIntegerTy(32))
- if (const ConstantInt *CU = dyn_cast<ConstantInt>(V))
- return CU->getZExtValue() < STy->getNumElements();
- return false;
+ // Structure indexes require (vectors of) 32-bit integer constants. In the
+ // vector case all of the indices must be equal.
+ if (!V->getType()->getScalarType()->isIntegerTy(32))
+ return false;
+ const Constant *C = dyn_cast<Constant>(V);
+ if (C && V->getType()->isVectorTy())
+ C = C->getSplatValue();
+ const ConstantInt *CU = dyn_cast_or_null<ConstantInt>(C);
+ return CU && CU->getZExtValue() < STy->getNumElements();
}
-
+
// Sequential types can be indexed by any integer.
- return V->getType()->isIntegerTy();
+ return V->getType()->isIntOrIntVectorTy();
}
bool CompositeType::indexValid(unsigned Idx) const {
}
bool VectorType::isValidElementType(Type *ElemTy) {
- if (PointerType *PTy = dyn_cast<PointerType>(ElemTy))
- ElemTy = PTy->getElementType();
- return ElemTy->isIntegerTy() || ElemTy->isFloatingPointTy();
+ return ElemTy->isIntegerTy() || ElemTy->isFloatingPointTy() ||
+ ElemTy->isPointerTy();
}
//===----------------------------------------------------------------------===//