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Change TargetLowering::TransformToType to contain MVTs, instead of

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EVTs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169847 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Patrik Hagglund 2012-12-11 10:05:04 +00:00
parent 78a70f3c60
commit 235c75cc21
2 changed files with 13 additions and 13 deletions
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18
include/llvm/Target/TargetLowering.h
View File

@ -1951,7 +1951,7 @@ private:
/// contains one step of the expand (e.g. i64 -> i32), even if there are
/// multiple steps required (e.g. i64 -> i16). For types natively supported
/// by the system, this holds the same type (e.g. i32 -> i32).
EVT TransformToType[MVT::LAST_VALUETYPE];
MVT TransformToType[MVT::LAST_VALUETYPE];
/// OpActions - For each operation and each value type, keep a LegalizeAction
/// that indicates how instruction selection should deal with the operation.
@ -1992,19 +1992,19 @@ public:
getTypeConversion(LLVMContext &Context, EVT VT) const {
// If this is a simple type, use the ComputeRegisterProp mechanism.
if (VT.isSimple()) {
assert((unsigned)VT.getSimpleVT().SimpleTy <
array_lengthof(TransformToType));
EVT NVT = TransformToType[VT.getSimpleVT().SimpleTy];
LegalizeTypeAction LA = ValueTypeActions.getTypeAction(VT.getSimpleVT());
MVT SVT = VT.getSimpleVT();
assert((unsigned)SVT.SimpleTy < array_lengthof(TransformToType));
MVT NVT = TransformToType[SVT.SimpleTy];
LegalizeTypeAction LA = ValueTypeActions.getTypeAction(SVT);
assert(
(!(NVT.isSimple() && LA != TypeLegal) ||
ValueTypeActions.getTypeAction(NVT.getSimpleVT()) != TypePromoteInteger)
(LA == TypeLegal ||
ValueTypeActions.getTypeAction(NVT) != TypePromoteInteger)
&& "Promote may not follow Expand or Promote");
if (LA == TypeSplitVector)
NVT = EVT::getVectorVT(Context, VT.getVectorElementType(),
VT.getVectorNumElements() / 2);
NVT = MVT::getVectorVT(SVT.getVectorElementType(),
SVT.getVectorNumElements() / 2);
return LegalizeKind(LA, NVT);
}

8
lib/CodeGen/SelectionDAG/TargetLowering.cpp
View File

@ -823,14 +823,14 @@ void TargetLowering::computeRegisterProperties() {
// Determine if there is a legal wider type. If so, we should promote to
// that wider vector type.
EVT EltVT = VT.getVectorElementType();
MVT EltVT = VT.getVectorElementType();
unsigned NElts = VT.getVectorNumElements();
if (NElts != 1 && !shouldSplitVectorElementType(EltVT)) {
bool IsLegalWiderType = false;
// First try to promote the elements of integer vectors. If no legal
// promotion was found, fallback to the widen-vector method.
for (unsigned nVT = i+1; nVT <= MVT::LAST_VECTOR_VALUETYPE; ++nVT) {
EVT SVT = (MVT::SimpleValueType)nVT;
MVT SVT = (MVT::SimpleValueType)nVT;
// Promote vectors of integers to vectors with the same number
// of elements, with a wider element type.
if (SVT.getVectorElementType().getSizeInBits() > EltVT.getSizeInBits()
@ -849,7 +849,7 @@ void TargetLowering::computeRegisterProperties() {
// Try to widen the vector.
for (unsigned nVT = i+1; nVT <= MVT::LAST_VECTOR_VALUETYPE; ++nVT) {
EVT SVT = (MVT::SimpleValueType)nVT;
MVT SVT = (MVT::SimpleValueType)nVT;
if (SVT.getVectorElementType() == EltVT &&
SVT.getVectorNumElements() > NElts &&
isTypeLegal(SVT)) {
@ -872,7 +872,7 @@ void TargetLowering::computeRegisterProperties() {
RegisterVT, this);
RegisterTypeForVT[i] = RegisterVT;
EVT NVT = VT.getPow2VectorType();
MVT NVT = VT.getPow2VectorType();
if (NVT == VT) {
// Type is already a power of 2. The default action is to split.
TransformToType[i] = MVT::Other;