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Tidied up switch cases. NFCI.
Split FCMP//ICMP/SEL from the basic arithmetic cost functions. They were not sharing any notable code path (just the return) and were repeatedly testing the opcode. llvm-svn: 269348
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@ -1640,7 +1640,14 @@ int BoUpSLP::getEntryCost(TreeEntry *E) {
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}
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case Instruction::FCmp:
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case Instruction::ICmp:
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case Instruction::Select:
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case Instruction::Select: {
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// Calculate the cost of this instruction.
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VectorType *MaskTy = VectorType::get(Builder.getInt1Ty(), VL.size());
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int ScalarCost = VecTy->getNumElements() *
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TTI->getCmpSelInstrCost(Opcode, ScalarTy, Builder.getInt1Ty());
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int VecCost = TTI->getCmpSelInstrCost(Opcode, VecTy, MaskTy);
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return VecCost - ScalarCost;
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}
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case Instruction::Add:
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case Instruction::FAdd:
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case Instruction::Sub:
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@ -1659,59 +1666,48 @@ int BoUpSLP::getEntryCost(TreeEntry *E) {
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case Instruction::And:
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case Instruction::Or:
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case Instruction::Xor: {
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// Calculate the cost of this instruction.
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int ScalarCost = 0;
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int VecCost = 0;
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if (Opcode == Instruction::FCmp || Opcode == Instruction::ICmp ||
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Opcode == Instruction::Select) {
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VectorType *MaskTy = VectorType::get(Builder.getInt1Ty(), VL.size());
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ScalarCost = VecTy->getNumElements() *
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TTI->getCmpSelInstrCost(Opcode, ScalarTy, Builder.getInt1Ty());
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VecCost = TTI->getCmpSelInstrCost(Opcode, VecTy, MaskTy);
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} else {
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// Certain instructions can be cheaper to vectorize if they have a
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// constant second vector operand.
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TargetTransformInfo::OperandValueKind Op1VK =
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TargetTransformInfo::OK_AnyValue;
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TargetTransformInfo::OperandValueKind Op2VK =
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TargetTransformInfo::OK_UniformConstantValue;
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TargetTransformInfo::OperandValueProperties Op1VP =
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TargetTransformInfo::OP_None;
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TargetTransformInfo::OperandValueProperties Op2VP =
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TargetTransformInfo::OP_None;
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// Certain instructions can be cheaper to vectorize if they have a
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// constant second vector operand.
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TargetTransformInfo::OperandValueKind Op1VK =
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TargetTransformInfo::OK_AnyValue;
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TargetTransformInfo::OperandValueKind Op2VK =
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TargetTransformInfo::OK_UniformConstantValue;
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TargetTransformInfo::OperandValueProperties Op1VP =
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TargetTransformInfo::OP_None;
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TargetTransformInfo::OperandValueProperties Op2VP =
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TargetTransformInfo::OP_None;
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// If all operands are exactly the same ConstantInt then set the
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// operand kind to OK_UniformConstantValue.
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// If instead not all operands are constants, then set the operand kind
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// to OK_AnyValue. If all operands are constants but not the same,
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// then set the operand kind to OK_NonUniformConstantValue.
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ConstantInt *CInt = nullptr;
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for (unsigned i = 0; i < VL.size(); ++i) {
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const Instruction *I = cast<Instruction>(VL[i]);
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if (!isa<ConstantInt>(I->getOperand(1))) {
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Op2VK = TargetTransformInfo::OK_AnyValue;
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break;
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}
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if (i == 0) {
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CInt = cast<ConstantInt>(I->getOperand(1));
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continue;
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}
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if (Op2VK == TargetTransformInfo::OK_UniformConstantValue &&
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CInt != cast<ConstantInt>(I->getOperand(1)))
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Op2VK = TargetTransformInfo::OK_NonUniformConstantValue;
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// If all operands are exactly the same ConstantInt then set the
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// operand kind to OK_UniformConstantValue.
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// If instead not all operands are constants, then set the operand kind
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// to OK_AnyValue. If all operands are constants but not the same,
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// then set the operand kind to OK_NonUniformConstantValue.
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ConstantInt *CInt = nullptr;
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for (unsigned i = 0; i < VL.size(); ++i) {
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const Instruction *I = cast<Instruction>(VL[i]);
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if (!isa<ConstantInt>(I->getOperand(1))) {
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Op2VK = TargetTransformInfo::OK_AnyValue;
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break;
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}
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// FIXME: Currently cost of model modification for division by power of
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// 2 is handled for X86 and AArch64. Add support for other targets.
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if (Op2VK == TargetTransformInfo::OK_UniformConstantValue && CInt &&
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CInt->getValue().isPowerOf2())
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Op2VP = TargetTransformInfo::OP_PowerOf2;
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ScalarCost = VecTy->getNumElements() *
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TTI->getArithmeticInstrCost(Opcode, ScalarTy, Op1VK, Op2VK,
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Op1VP, Op2VP);
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VecCost = TTI->getArithmeticInstrCost(Opcode, VecTy, Op1VK, Op2VK,
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Op1VP, Op2VP);
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if (i == 0) {
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CInt = cast<ConstantInt>(I->getOperand(1));
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continue;
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}
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if (Op2VK == TargetTransformInfo::OK_UniformConstantValue &&
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CInt != cast<ConstantInt>(I->getOperand(1)))
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Op2VK = TargetTransformInfo::OK_NonUniformConstantValue;
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}
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// FIXME: Currently cost of model modification for division by power of
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// 2 is handled for X86 and AArch64. Add support for other targets.
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if (Op2VK == TargetTransformInfo::OK_UniformConstantValue && CInt &&
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CInt->getValue().isPowerOf2())
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Op2VP = TargetTransformInfo::OP_PowerOf2;
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int ScalarCost = VecTy->getNumElements() *
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TTI->getArithmeticInstrCost(Opcode, ScalarTy, Op1VK,
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Op2VK, Op1VP, Op2VP);
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int VecCost = TTI->getArithmeticInstrCost(Opcode, VecTy, Op1VK, Op2VK,
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Op1VP, Op2VP);
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return VecCost - ScalarCost;
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}
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case Instruction::GetElementPtr: {
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