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tidy up 

llvm-svn: 112099
This commit is contained in:
Chris Lattner 2010-08-25 22:45:53 +00:00
parent 82b2a1dada
commit dffc384205
1 changed files with 39 additions and 55 deletions
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92
llvm/include/llvm/CodeGen/ValueTypes.h
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@ -159,14 +159,12 @@ namespace llvm {
/// getPow2VectorType - Widens the length of the given vector EVT up to
/// the nearest power of 2 and returns that type.
MVT getPow2VectorType() const {
if (!isPow2VectorType()) {
unsigned NElts = getVectorNumElements();
unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
}
else {
if (isPow2VectorType())
return *this;
}
unsigned NElts = getVectorNumElements();
unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
return MVT::getVectorVT(getVectorElementType(), Pow2NElts);
}
/// getScalarType - If this is a vector type, return the element type,
@ -374,21 +372,15 @@ namespace llvm {
EVT(MVT::SimpleValueType SVT) : V(SVT), LLVMTy(0) { }
EVT(MVT S) : V(S), LLVMTy(0) {}
bool operator==(const EVT VT) const {
if (V.SimpleTy == VT.V.SimpleTy) {
if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
return LLVMTy == VT.LLVMTy;
return true;
}
return false;
bool operator==(EVT VT) const {
return !(*this != VT);
}
bool operator!=(const EVT VT) const {
if (V.SimpleTy == VT.V.SimpleTy) {
if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
return LLVMTy != VT.LLVMTy;
return false;
}
return true;
bool operator!=(EVT VT) const {
if (V.SimpleTy != VT.V.SimpleTy)
return true;
if (V.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
return LLVMTy != VT.LLVMTy;
return false;
}
/// getFloatingPointVT - Returns the EVT that represents a floating point
@ -402,30 +394,27 @@ namespace llvm {
/// number of bits.
static EVT getIntegerVT(LLVMContext &Context, unsigned BitWidth) {
MVT M = MVT::getIntegerVT(BitWidth);
if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
return getExtendedIntegerVT(Context, BitWidth);
else
if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
return M;
return getExtendedIntegerVT(Context, BitWidth);
}
/// getVectorVT - Returns the EVT that represents a vector NumElements in
/// length, where each element is of type VT.
static EVT getVectorVT(LLVMContext &Context, EVT VT, unsigned NumElements) {
MVT M = MVT::getVectorVT(VT.V, NumElements);
if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
return getExtendedVectorVT(Context, VT, NumElements);
else
if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
return M;
return getExtendedVectorVT(Context, VT, NumElements);
}
/// getIntVectorWithNumElements - Return any integer vector type that has
/// the specified number of elements.
static EVT getIntVectorWithNumElements(LLVMContext &C, unsigned NumElts) {
MVT M = MVT::getIntVectorWithNumElements(NumElts);
if (M.SimpleTy == MVT::INVALID_SIMPLE_VALUE_TYPE)
return getVectorVT(C, MVT::i8, NumElts);
else
if (M.SimpleTy != MVT::INVALID_SIMPLE_VALUE_TYPE)
return M;
return getVectorVT(C, MVT::i8, NumElts);
}
/// isSimple - Test if the given EVT is simple (as opposed to being
@ -457,26 +446,27 @@ namespace llvm {
/// is64BitVector - Return true if this is a 64-bit vector type.
bool is64BitVector() const {
return isSimple() ?
(V==MVT::v8i8 || V==MVT::v4i16 || V==MVT::v2i32 ||
V==MVT::v1i64 || V==MVT::v2f32) :
isExtended64BitVector();
if (!isSimple())
return isExtended64BitVector();
return (V == MVT::v8i8 || V==MVT::v4i16 || V==MVT::v2i32 ||
V == MVT::v1i64 || V==MVT::v2f32);
}
/// is128BitVector - Return true if this is a 128-bit vector type.
bool is128BitVector() const {
return isSimple() ?
(V==MVT::v16i8 || V==MVT::v8i16 || V==MVT::v4i32 ||
V==MVT::v2i64 || V==MVT::v4f32 || V==MVT::v2f64) :
isExtended128BitVector();
if (!isSimple())
return isExtended128BitVector();
return (V==MVT::v16i8 || V==MVT::v8i16 || V==MVT::v4i32 ||
V==MVT::v2i64 || V==MVT::v4f32 || V==MVT::v2f64);
}
/// is256BitVector - Return true if this is a 256-bit vector type.
inline bool is256BitVector() const {
return isSimple()
? (V==MVT::v8f32 || V==MVT::v4f64 || V==MVT::v32i8 ||
V==MVT::v16i16 || V==MVT::v8i32 || V==MVT::v4i64)
: isExtended256BitVector();
if (!isSimple())
return isExtended256BitVector();
return (V == MVT::v8f32 || V == MVT::v4f64 || V == MVT::v32i8 ||
V == MVT::v16i16 || V == MVT::v8i32 || V == MVT::v4i64);
}
/// is512BitVector - Return true if this is a 512-bit vector type.
@ -550,8 +540,7 @@ namespace llvm {
assert(isVector() && "Invalid vector type!");
if (isSimple())
return V.getVectorElementType();
else
return getExtendedVectorElementType();
return getExtendedVectorElementType();
}
/// getVectorNumElements - Given a vector type, return the number of
@ -560,16 +549,14 @@ namespace llvm {
assert(isVector() && "Invalid vector type!");
if (isSimple())
return V.getVectorNumElements();
else
return getExtendedVectorNumElements();
return getExtendedVectorNumElements();
}
/// getSizeInBits - Return the size of the specified value type in bits.
unsigned getSizeInBits() const {
if (isSimple())
return V.getSizeInBits();
else
return getExtendedSizeInBits();
return getExtendedSizeInBits();
}
/// getStoreSize - Return the number of bytes overwritten by a store
@ -592,8 +579,7 @@ namespace llvm {
unsigned BitWidth = getSizeInBits();
if (BitWidth <= 8)
return EVT(MVT::i8);
else
return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
return getIntegerVT(Context, 1 << Log2_32_Ceil(BitWidth));
}
/// getHalfSizedIntegerVT - Finds the smallest simple value type that is
@ -604,12 +590,10 @@ namespace llvm {
assert(isInteger() && !isVector() && "Invalid integer type!");
unsigned EVTSize = getSizeInBits();
for (unsigned IntVT = MVT::FIRST_INTEGER_VALUETYPE;
IntVT <= MVT::LAST_INTEGER_VALUETYPE;
++IntVT) {
IntVT <= MVT::LAST_INTEGER_VALUETYPE; ++IntVT) {
EVT HalfVT = EVT((MVT::SimpleValueType)IntVT);
if(HalfVT.getSizeInBits() * 2 >= EVTSize) {
if (HalfVT.getSizeInBits() * 2 >= EVTSize)
return HalfVT;
}
}
return getIntegerVT(Context, (EVTSize + 1) / 2);
}