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Change TargetLowering::getRegClassFor to take an MVT, instead of EVT.

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Accordingly, add helper funtions getSimpleValueType (in parallel to
getValueType) in SDValue, SDNode, and TargetLowering.

This is the first, in a series of patches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169837 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Patrik Hagglund
2012-12-11 09:10:33 +00:00
parent 659dacd66f
commit 8163ca76f0
13 changed files with 87 additions and 78 deletions
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2
include/llvm/CodeGen/FunctionLoweringInfo.h
View File

@@ -136,7 +136,7 @@ public:
return ValueMap.count(V);
}
unsigned CreateReg(EVT VT);
unsigned CreateReg(MVT VT);
unsigned CreateRegs(Type *Ty);

11
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@@ -130,6 +130,11 @@ public:
///
inline EVT getValueType() const;
/// Return the simple ValueType of the referenced return value.
MVT getSimpleValueType() const {
return getValueType().getSimpleVT();
}
/// getValueSizeInBits - Returns the size of the value in bits.
///
unsigned getValueSizeInBits() const {
@@ -595,6 +600,12 @@ public:
return ValueList[ResNo];
}
/// Return the type of a specified result as a simple type.
///
MVT getSimpleValueType(unsigned ResNo) const {
return getValueType(ResNo).getSimpleVT();
}
/// getValueSizeInBits - Returns MVT::getSizeInBits(getValueType(ResNo)).
///
unsigned getValueSizeInBits(unsigned ResNo) const {

11
include/llvm/Target/TargetLowering.h
View File

@@ -232,9 +232,8 @@ public:
/// getRegClassFor - Return the register class that should be used for the
/// specified value type.
virtual const TargetRegisterClass *getRegClassFor(EVT VT) const {
assert(VT.isSimple() && "getRegClassFor called on illegal type!");
const TargetRegisterClass *RC = RegClassForVT[VT.getSimpleVT().SimpleTy];
virtual const TargetRegisterClass *getRegClassFor(MVT VT) const {
const TargetRegisterClass *RC = RegClassForVT[VT.SimpleTy];
assert(RC && "This value type is not natively supported!");
return RC;
}
@@ -588,7 +587,11 @@ public:
}
return EVT::getEVT(Ty, AllowUnknown);
}
/// Return the MVT corresponding to this LLVM type. See getValueType.
MVT getSimpleValueType(Type *Ty, bool AllowUnknown = false) const {
return getValueType(Ty, AllowUnknown).getSimpleVT();
}
/// getByValTypeAlignment - Return the desired alignment for ByVal aggregate
/// function arguments in the caller parameter area. This is the actual