//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "tti"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/IR/CallSite.h"
#include "llvm/IR/DataLayout.h"
using namespace llvm;
+#define DEBUG_TYPE "tti"
+
// Setup the analysis group to manage the TargetTransformInfo passes.
INITIALIZE_ANALYSIS_GROUP(TargetTransformInfo, "Target Information", NoTTI)
char TargetTransformInfo::ID = 0;
return PrevTTI->isLoweredToCall(F);
}
-void TargetTransformInfo::getUnrollingPreferences(Loop *L,
- UnrollingPreferences &UP) const {
- PrevTTI->getUnrollingPreferences(L, UP);
+void
+TargetTransformInfo::getUnrollingPreferences(const Function *F, Loop *L,
+ UnrollingPreferences &UP) const {
+ PrevTTI->getUnrollingPreferences(F, L, UP);
}
bool TargetTransformInfo::isLegalAddImmediate(int64_t Imm) const {
return PrevTTI->isLegalICmpImmediate(Imm);
}
+bool TargetTransformInfo::isLegalMaskedLoad(Type *DataType,
+ int Consecutive) const {
+ return false;
+}
+
+bool TargetTransformInfo::isLegalMaskedStore(Type *DataType,
+ int Consecutive) const {
+ return false;
+}
+
+
bool TargetTransformInfo::isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
int64_t BaseOffset,
bool HasBaseReg,
return PrevTTI->getRegisterBitWidth(Vector);
}
-unsigned TargetTransformInfo::getMaximumUnrollFactor() const {
- return PrevTTI->getMaximumUnrollFactor();
+unsigned TargetTransformInfo::getMaxInterleaveFactor() const {
+ return PrevTTI->getMaxInterleaveFactor();
}
-unsigned TargetTransformInfo::getArithmeticInstrCost(unsigned Opcode,
- Type *Ty,
- OperandValueKind Op1Info,
- OperandValueKind Op2Info) const {
- return PrevTTI->getArithmeticInstrCost(Opcode, Ty, Op1Info, Op2Info);
+unsigned TargetTransformInfo::getArithmeticInstrCost(
+ unsigned Opcode, Type *Ty, OperandValueKind Op1Info,
+ OperandValueKind Op2Info, OperandValueProperties Opd1PropInfo,
+ OperandValueProperties Opd2PropInfo) const {
+ return PrevTTI->getArithmeticInstrCost(Opcode, Ty, Op1Info, Op2Info,
+ Opd1PropInfo, Opd2PropInfo);
}
unsigned TargetTransformInfo::getShuffleCost(ShuffleKind Kind, Type *Tp,
unsigned Alignment,
unsigned AddressSpace) const {
return PrevTTI->getMemoryOpCost(Opcode, Src, Alignment, AddressSpace);
- ;
}
unsigned
return PrevTTI->getReductionCost(Opcode, Ty, IsPairwise);
}
+unsigned TargetTransformInfo::getCostOfKeepingLiveOverCall(ArrayRef<Type*> Tys)
+ const {
+ return PrevTTI->getCostOfKeepingLiveOverCall(Tys);
+}
+
namespace {
struct NoTTI final : ImmutablePass, TargetTransformInfo {
const DataLayout *DL;
- NoTTI() : ImmutablePass(ID), DL(0) {
+ NoTTI() : ImmutablePass(ID), DL(nullptr) {
initializeNoTTIPass(*PassRegistry::getPassRegistry());
}
- virtual void initializePass() override {
+ void initializePass() override {
// Note that this subclass is special, and must *not* call initializeTTI as
// it does not chain.
TopTTI = this;
- PrevTTI = 0;
+ PrevTTI = nullptr;
DataLayoutPass *DLP = getAnalysisIfAvailable<DataLayoutPass>();
- DL = DLP ? &DLP->getDataLayout() : 0;
+ DL = DLP ? &DLP->getDataLayout() : nullptr;
}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const override {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
// Note that this subclass is special, and must *not* call
// TTI::getAnalysisUsage as it breaks the recursion.
}
static char ID;
/// Provide necessary pointer adjustments for the two base classes.
- virtual void *getAdjustedAnalysisPointer(const void *ID) override {
+ void *getAdjustedAnalysisPointer(const void *ID) override {
if (ID == &TargetTransformInfo::ID)
return (TargetTransformInfo*)this;
return this;
// FIXME: This is wrong for libc intrinsics.
return TCC_Basic;
+ case Intrinsic::annotation:
+ case Intrinsic::assume:
case Intrinsic::dbg_declare:
case Intrinsic::dbg_value:
case Intrinsic::invariant_start:
case Intrinsic::objectsize:
case Intrinsic::ptr_annotation:
case Intrinsic::var_annotation:
+ case Intrinsic::experimental_gc_result_int:
+ case Intrinsic::experimental_gc_result_float:
+ case Intrinsic::experimental_gc_result_ptr:
+ case Intrinsic::experimental_gc_relocate:
// These intrinsics don't actually represent code after lowering.
return TCC_Free;
}
if (isa<PHINode>(U))
return TCC_Free; // Model all PHI nodes as free.
- if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U))
- // In the basic model we just assume that all-constant GEPs will be
- // folded into their uses via addressing modes.
- return GEP->hasAllConstantIndices() ? TCC_Free : TCC_Basic;
+ if (const GEPOperator *GEP = dyn_cast<GEPOperator>(U)) {
+ SmallVector<const Value *, 4> Indices(GEP->idx_begin(), GEP->idx_end());
+ return TopTTI->getGEPCost(GEP->getPointerOperand(), Indices);
+ }
if (ImmutableCallSite CS = U) {
const Function *F = CS.getCalledFunction();
// Otherwise delegate to the fully generic implementations.
return getOperationCost(Operator::getOpcode(U), U->getType(),
U->getNumOperands() == 1 ?
- U->getOperand(0)->getType() : 0);
+ U->getOperand(0)->getType() : nullptr);
}
bool hasBranchDivergence() const override { return false; }
// These will all likely lower to a single selection DAG node.
if (Name == "copysign" || Name == "copysignf" || Name == "copysignl" ||
Name == "fabs" || Name == "fabsf" || Name == "fabsl" || Name == "sin" ||
+ Name == "fmin" || Name == "fminf" || Name == "fminl" ||
+ Name == "fmax" || Name == "fmaxf" || Name == "fmaxl" ||
Name == "sinf" || Name == "sinl" || Name == "cos" || Name == "cosf" ||
Name == "cosl" || Name == "sqrt" || Name == "sqrtf" || Name == "sqrtl")
return false;
return true;
}
- void getUnrollingPreferences(Loop *, UnrollingPreferences &) const override {
- }
+ void getUnrollingPreferences(const Function *, Loop *,
+ UnrollingPreferences &) const override {}
bool isLegalAddImmediate(int64_t Imm) const override {
return false;
return 32;
}
- unsigned getMaximumUnrollFactor() const override {
+ unsigned getMaxInterleaveFactor() const override {
return 1;
}
unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty, OperandValueKind,
- OperandValueKind) const override {
+ OperandValueKind, OperandValueProperties,
+ OperandValueProperties) const override {
return 1;
}
unsigned getShuffleCost(ShuffleKind Kind, Type *Ty,
- int Index = 0, Type *SubTp = 0) const override {
+ int Index = 0, Type *SubTp = nullptr) const override {
return 1;
}
}
unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
- Type *CondTy = 0) const override {
+ Type *CondTy = nullptr) const override {
return 1;
}
unsigned getReductionCost(unsigned, Type *, bool) const override {
return 1;
}
+
+ unsigned getCostOfKeepingLiveOverCall(ArrayRef<Type*> Tys) const override {
+ return 0;
+ }
+
};
} // end anonymous namespace
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