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Add a second ValueType argument to isFPImmLegal.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85361 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-10-28 01:43:28 +00:00
parent a104d1eab2
commit a1eaa3c52b
10 changed files with 15 additions and 11 deletions
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2
include/llvm/Target/TargetLowering.h
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@ -328,7 +328,7 @@ public:
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will materialize
/// the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm) const {
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const {
return false;
}

2
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -2574,7 +2574,7 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(Node);
// Check to see if this FP immediate is already legal.
// If this is a legal constant, turn it into a TargetConstantFP node.
if (TLI.isFPImmLegal(CFP->getValueAPF()))
if (TLI.isFPImmLegal(CFP->getValueAPF(), Node->getValueType(0)))
Results.push_back(SDValue(Node, 0));
else
Results.push_back(ExpandConstantFP(CFP, true, DAG, TLI));

4
lib/Target/Alpha/AlphaISelLowering.cpp
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@ -915,7 +915,9 @@ AlphaTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
return false;
}
bool AlphaTargetLowering::isFPImmLegal(const APFloat &Imm) const {
bool AlphaTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
if (VT != MVT::f32 && VT != MVT::f64)
return false;
// +0.0 F31
// +0.0f F31
// -0.0 -F31

2
lib/Target/Alpha/AlphaISelLowering.h
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@ -105,7 +105,7 @@ namespace llvm {
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will
/// materialize the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm) const;
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
private:
// Helpers for custom lowering.

4
lib/Target/Mips/MipsISelLowering.cpp
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@ -1222,6 +1222,8 @@ MipsTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
return false;
}
bool MipsTargetLowering::isFPImmLegal(const APFloat &Imm) const {
bool MipsTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
if (VT != MVT::f32 && VT != MVT::f64)
return false;
return Imm.isZero();
}

2
lib/Target/Mips/MipsISelLowering.h
View File

@ -150,7 +150,7 @@ namespace llvm {
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will
/// materialize the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm) const;
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
};
}

4
lib/Target/SystemZ/SystemZISelLowering.cpp
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@ -170,8 +170,8 @@ SDValue SystemZTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {
}
}
bool SystemZTargetLowering::isFPImmLegal(const APFloat &Imm) const {
if (UseSoftFloat)
bool SystemZTargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
if (UseSoftFloat || (VT != MVT::f32 && VT != MVT::f64))
return false;
// +0.0 lzer

2
lib/Target/SystemZ/SystemZISelLowering.h
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@ -92,7 +92,7 @@ namespace llvm {
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will
/// materialize the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm) const;
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
private:
SDValue LowerCCCCallTo(SDValue Chain, SDValue Callee,

2
lib/Target/X86/X86ISelLowering.cpp
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@ -2313,7 +2313,7 @@ static bool hasFPCMov(unsigned X86CC) {
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will
/// materialize the FP immediate as a load from a constant pool.
bool X86TargetLowering::isFPImmLegal(const APFloat &Imm) const {
bool X86TargetLowering::isFPImmLegal(const APFloat &Imm, EVT VT) const {
for (unsigned i = 0, e = LegalFPImmediates.size(); i != e; ++i) {
if (Imm.bitwiseIsEqual(LegalFPImmediates[i]))
return true;

2
lib/Target/X86/X86ISelLowering.h
View File

@ -502,7 +502,7 @@ namespace llvm {
/// isFPImmLegal - Returns true if the target can instruction select the
/// specified FP immediate natively. If false, the legalizer will
/// materialize the FP immediate as a load from a constant pool.
virtual bool isFPImmLegal(const APFloat &Imm) const;
virtual bool isFPImmLegal(const APFloat &Imm, EVT VT) const;
/// isShuffleMaskLegal - Targets can use this to indicate that they only
/// support *some* VECTOR_SHUFFLE operations, those with specific masks.