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Refactor getActionType and getTypeToTransformTo ; place all of the 'decision'

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code in one place.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131534 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem
2011-05-18 12:26:38 +00:00
parent 7016ec1a45
commit fe3f5d7538
5 changed files with 77 additions and 92 deletions
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2
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@@ -91,7 +91,7 @@ public:
/// it is already legal or we need to expand it into multiple registers of
/// smaller integer type, or we need to promote it to a larger type.
LegalizeAction getTypeAction(EVT VT) const {
return (LegalizeAction)ValueTypeActions.getTypeAction(VT);
return (LegalizeAction)TLI.getTypeAction(*DAG.getContext(), VT);
}
/// isTypeLegal - Return true if this type is legal on this target.

4
lib/CodeGen/SelectionDAG/LegalizeTypes.h
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@@ -75,7 +75,7 @@ private:
/// getTypeAction - Return how we should legalize values of this type.
LegalizeAction getTypeAction(EVT VT) const {
switch (ValueTypeActions.getTypeAction(VT)) {
switch (TLI.getTypeAction(*DAG.getContext(), VT)) {
default:
assert(false && "Unknown legalize action!");
case TargetLowering::Legal:
@@ -108,7 +108,7 @@ private:
/// isTypeLegal - Return true if this type is legal on this target.
bool isTypeLegal(EVT VT) const {
return ValueTypeActions.getTypeAction(VT) == TargetLowering::Legal;
return TLI.getTypeAction(*DAG.getContext(), VT) == TargetLowering::Legal;
}
/// IgnoreNodeResults - Pretend all of this node's results are legal.

2
lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@@ -892,7 +892,7 @@ unsigned TargetLowering::getVectorTypeBreakdown(LLVMContext &Context, EVT VT,
// If there is a wider vector type with the same element type as this one,
// we should widen to that legal vector type. This handles things like
// <2 x float> -> <4 x float>.
if (NumElts != 1 && getTypeAction(VT) == Promote) {
if (NumElts != 1 && getTypeAction(Context, VT) == Promote) {
RegisterVT = getTypeToTransformTo(Context, VT);
if (isTypeLegal(RegisterVT)) {
IntermediateVT = RegisterVT;