[llvm-commits] [llvm] r165648 - /llvm/trunk/utils/TableGen/TGValueTypes.cpp
Sean Silva
silvas at purdue.edu
Wed Oct 10 13:24:50 PDT 2012
Author: silvas
Date: Wed Oct 10 15:24:49 2012
New Revision: 165648
URL: http://llvm.org/viewvc/llvm-project?rev=165648&view=rev
Log:
tblgen: Move mini Type hierarchy to LLVM-style RTTI.
Modified:
llvm/trunk/utils/TableGen/TGValueTypes.cpp
Modified: llvm/trunk/utils/TableGen/TGValueTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/TGValueTypes.cpp?rev=165648&r1=165647&r2=165648&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/TGValueTypes.cpp (original)
+++ llvm/trunk/utils/TableGen/TGValueTypes.cpp Wed Oct 10 15:24:49 2012
@@ -15,13 +15,25 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Support/Casting.h"
#include <map>
using namespace llvm;
namespace llvm {
class Type {
+protected:
+ enum TypeKind {
+ TK_ExtendedIntegerType,
+ TK_ExtendedVectorType
+ };
+private:
+ TypeKind Kind;
public:
+ TypeKind getKind() const {
+ return Kind;
+ }
+ Type(TypeKind K) : Kind(K) {}
virtual unsigned getSizeInBits() const = 0;
virtual ~Type() {}
};
@@ -32,7 +44,10 @@
unsigned BitWidth;
public:
explicit ExtendedIntegerType(unsigned bits)
- : BitWidth(bits) {}
+ : Type(TK_ExtendedIntegerType), BitWidth(bits) {}
+ static bool classof(const Type *T) {
+ return T->getKind() == TK_ExtendedIntegerType;
+ };
unsigned getSizeInBits() const {
return getBitWidth();
}
@@ -46,7 +61,10 @@
unsigned NumElements;
public:
ExtendedVectorType(EVT elty, unsigned num)
- : ElementType(elty), NumElements(num) {}
+ : Type(TK_ExtendedVectorType), ElementType(elty), NumElements(num) {}
+ static bool classof(const Type *T) {
+ return T->getKind() == TK_ExtendedVectorType;
+ };
unsigned getSizeInBits() const {
return getNumElements() * getElementType().getSizeInBits();
}
@@ -71,12 +89,12 @@
bool EVT::isExtendedInteger() const {
assert(isExtended() && "Type is not extended!");
- return dynamic_cast<const ExtendedIntegerType *>(LLVMTy) != 0;
+ return isa<ExtendedIntegerType>(LLVMTy);
}
bool EVT::isExtendedVector() const {
assert(isExtended() && "Type is not extended!");
- return dynamic_cast<const ExtendedVectorType *>(LLVMTy) != 0;
+ return isa<ExtendedVectorType>(LLVMTy);
}
bool EVT::isExtended64BitVector() const {
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