78   bool fold_pow(FPMathOperator *FPOp, IRBuilder<> &B, const FuncInfo &FInfo);
81   bool fold_rootn(FPMathOperator *FPOp, IRBuilder<> &B, const FuncInfo &FInfo);
99   bool fold_sincos(FPMathOperator *FPOp, IRBuilder<> &B, const FuncInfo &FInfo);
124   bool isUnsafeMath(const FPMathOperator *FPOp) const;
125   bool isUnsafeFiniteOnlyMath(const FPMathOperator *FPOp) const;
127   bool canIncreasePrecisionOfConstantFold(const FPMathOperator *FPOp) const;
422 bool AMDGPULibCalls::isUnsafeMath(const FPMathOperator *FPOp) const {  in isUnsafeMath()
423   return UnsafeFPMath || FPOp->isFast();  in isUnsafeMath()
426 bool AMDGPULibCalls::isUnsafeFiniteOnlyMath(const FPMathOperator *FPOp) const {  in isUnsafeFiniteOnlyMath()
428          (FPOp->hasApproxFunc() && FPOp->hasNoNaNs() && FPOp->hasNoInfs());  in isUnsafeFiniteOnlyMath()
432     const FPMathOperator *FPOp) const {  in canIncreasePrecisionOfConstantFold()
434   return isUnsafeMath(FPOp);  in canIncreasePrecisionOfConstantFold()
672   if (FPMathOperator *FPOp = dyn_cast<FPMathOperator>(CI)) {  in fold()  local
676     if (canIncreasePrecisionOfConstantFold(FPOp) && evaluateCall(CI, FInfo))  in fold()
680     FastMathFlags FMF = FPOp->getFastMathFlags();  in fold()
765       CallInst *Call = cast<CallInst>(FPOp);  in fold()
771               FPOp->getOperand(0), /*Depth=*/0,  in fold()
774         return fold_pow(FPOp, B, PowrInfo) || true;  in fold()
778       if (isKnownIntegral(FPOp->getOperand(1), M->getDataLayout(),  in fold()
779                           FPOp->getFastMathFlags())) {  in fold()
788               B.CreateFPToSI(FPOp->getOperand(1), PownType->getParamType(1));  in fold()
794           return fold_pow(FPOp, B, PownInfo) || true;  in fold()
798       return fold_pow(FPOp, B, FInfo);  in fold()
802       return fold_pow(FPOp, B, FInfo);  in fold()
804       return fold_rootn(FPOp, B, FInfo);  in fold()
811       return fold_sincos(FPOp, B, FInfo);  in fold()
903 bool AMDGPULibCalls::fold_pow(FPMathOperator *FPOp, IRBuilder<> &B,  in fold_pow()  argument
911   Type *eltType = FPOp->getType()->getScalarType();  in fold_pow()
912   Value *opr0 = FPOp->getOperand(0);  in fold_pow()
913   Value *opr1 = FPOp->getOperand(1);  in fold_pow()
925     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> 1\n");  in fold_pow()
930     replaceCall(FPOp, cnval);  in fold_pow()
935     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> " << *opr0 << "\n");  in fold_pow()
936     replaceCall(FPOp, opr0);  in fold_pow()
941     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> " << *opr0 << " * "  in fold_pow()
944     replaceCall(FPOp, nval);  in fold_pow()
949     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> 1 / " << *opr0 << "\n");  in fold_pow()
955     replaceCall(FPOp, nval);  in fold_pow()
966       LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> " << FInfo.getName()  in fold_pow()
970       replaceCall(FPOp, nval);  in fold_pow()
975   if (!isUnsafeFiniteOnlyMath(FPOp))  in fold_pow()
1023     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> "  in fold_pow()
1026     replaceCall(FPOp, nval);  in fold_pow()
1037     ExpExpr = Intrinsic::getDeclaration(M, Intrinsic::exp2, {FPOp->getType()});  in fold_pow()
1098     if (!isKnownIntegral(opr1, M->getDataLayout(), FPOp->getFastMathFlags()))  in fold_pow()
1112           Intrinsic::getDeclaration(M, Intrinsic::log2, {FPOp->getType()});  in fold_pow()
1131     Type *nTy = FPOp->getType()->getWithNewType(nTyS);  in fold_pow()
1133     Value *opr_n = FPOp->getOperand(1);  in fold_pow()
1145   LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> "  in fold_pow()
1147   replaceCall(FPOp, nval);  in fold_pow()
1152 bool AMDGPULibCalls::fold_rootn(FPMathOperator *FPOp, IRBuilder<> &B,  in fold_rootn()  argument
1154   Value *opr0 = FPOp->getOperand(0);  in fold_rootn()
1155   Value *opr1 = FPOp->getOperand(1);  in fold_rootn()
1168     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> " << *opr0 << '\n');  in fold_rootn()
1169     replaceCall(FPOp, opr0);  in fold_rootn()
1175   CallInst *CI = cast<CallInst>(FPOp);  in fold_rootn()
1181     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> sqrt(" << *opr0 << ")\n");  in fold_rootn()
1189     MDNode *FPMD = MDHelper.createFPMath(std::max(FPOp->getFPAccuracy(), 2.0f));  in fold_rootn()
1199       LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> cbrt(" << *opr0  in fold_rootn()
1202       replaceCall(FPOp, nval);  in fold_rootn()
1206     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> 1.0 / " << *opr0 << "\n");  in fold_rootn()
1210     replaceCall(FPOp, nval);  in fold_rootn()
1223     MDNode *FPMD = MDHelper.createFPMath(std::max(FPOp->getFPAccuracy(), 2.0f));  in fold_rootn()
1226     FastMathFlags FMF = FPOp->getFastMathFlags();  in fold_rootn()
1236     LLVM_DEBUG(errs() << "AMDIC: " << *FPOp << " ---> rsqrt(" << *opr0  in fold_rootn()
1352 bool AMDGPULibCalls::fold_sincos(FPMathOperator *FPOp, IRBuilder<> &B,  in fold_sincos()  argument
1364   Value *CArgVal = FPOp->getOperand(0);  in fold_sincos()
1365   CallInst *CI = cast<CallInst>(FPOp);  in fold_sincos()
1399   FastMathFlags FMF = FPOp->getFastMathFlags();  in fold_sincos()