aboutsummaryrefslogtreecommitdiff
path: root/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h')
-rw-r--r--contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
new file mode 100644
index 000000000000..16ce2ef1d7a0
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Target/SystemZ/SystemZTargetTransformInfo.h
@@ -0,0 +1,112 @@
+//===-- SystemZTargetTransformInfo.h - SystemZ-specific TTI ---------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETTRANSFORMINFO_H
+#define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZTARGETTRANSFORMINFO_H
+
+#include "SystemZTargetMachine.h"
+#include "llvm/Analysis/TargetTransformInfo.h"
+#include "llvm/CodeGen/BasicTTIImpl.h"
+
+namespace llvm {
+
+class SystemZTTIImpl : public BasicTTIImplBase<SystemZTTIImpl> {
+ typedef BasicTTIImplBase<SystemZTTIImpl> BaseT;
+ typedef TargetTransformInfo TTI;
+ friend BaseT;
+
+ const SystemZSubtarget *ST;
+ const SystemZTargetLowering *TLI;
+
+ const SystemZSubtarget *getST() const { return ST; }
+ const SystemZTargetLowering *getTLI() const { return TLI; }
+
+ unsigned const LIBCALL_COST = 30;
+
+public:
+ explicit SystemZTTIImpl(const SystemZTargetMachine *TM, const Function &F)
+ : BaseT(TM, F.getParent()->getDataLayout()), ST(TM->getSubtargetImpl(F)),
+ TLI(ST->getTargetLowering()) {}
+
+ /// \name Scalar TTI Implementations
+ /// @{
+
+ unsigned getInliningThresholdMultiplier() { return 3; }
+
+ int getIntImmCost(const APInt &Imm, Type *Ty);
+
+ int getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, Type *Ty);
+ int getIntImmCost(Intrinsic::ID IID, unsigned Idx, const APInt &Imm,
+ Type *Ty);
+
+ TTI::PopcntSupportKind getPopcntSupport(unsigned TyWidth);
+
+ void getUnrollingPreferences(Loop *L, ScalarEvolution &SE,
+ TTI::UnrollingPreferences &UP);
+
+ bool isLSRCostLess(TargetTransformInfo::LSRCost &C1,
+ TargetTransformInfo::LSRCost &C2);
+ /// @}
+
+ /// \name Vector TTI Implementations
+ /// @{
+
+ unsigned getNumberOfRegisters(bool Vector);
+ unsigned getRegisterBitWidth(bool Vector) const;
+
+ unsigned getCacheLineSize() { return 256; }
+ unsigned getPrefetchDistance() { return 2000; }
+ unsigned getMinPrefetchStride() { return 2048; }
+
+ bool hasDivRemOp(Type *DataType, bool IsSigned);
+ bool prefersVectorizedAddressing() { return false; }
+ bool LSRWithInstrQueries() { return true; }
+ bool supportsEfficientVectorElementLoadStore() { return true; }
+ bool enableInterleavedAccessVectorization() { return true; }
+
+ int getArithmeticInstrCost(
+ unsigned Opcode, Type *Ty,
+ TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
+ TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
+ TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
+ TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None,
+ ArrayRef<const Value *> Args = ArrayRef<const Value *>());
+ int getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index, Type *SubTp);
+ unsigned getVectorTruncCost(Type *SrcTy, Type *DstTy);
+ unsigned getVectorBitmaskConversionCost(Type *SrcTy, Type *DstTy);
+ unsigned getBoolVecToIntConversionCost(unsigned Opcode, Type *Dst,
+ const Instruction *I);
+ int getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
+ const Instruction *I = nullptr);
+ int getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy,
+ const Instruction *I = nullptr);
+ int getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);
+ bool isFoldableLoad(const LoadInst *Ld, const Instruction *&FoldedValue);
+ int getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
+ unsigned AddressSpace, const Instruction *I = nullptr);
+
+ int getInterleavedMemoryOpCost(unsigned Opcode, Type *VecTy,
+ unsigned Factor,
+ ArrayRef<unsigned> Indices,
+ unsigned Alignment,
+ unsigned AddressSpace,
+ bool UseMaskForCond = false,
+ bool UseMaskForGaps = false);
+
+ int getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
+ ArrayRef<Value *> Args, FastMathFlags FMF,
+ unsigned VF = 1);
+ int getIntrinsicInstrCost(Intrinsic::ID ID, Type *RetTy,
+ ArrayRef<Type *> Tys, FastMathFlags FMF,
+ unsigned ScalarizationCostPassed = UINT_MAX);
+ /// @}
+};
+
+} // end namespace llvm
+
+#endif