78   void visitCallInst(CallInst &CI) { checkCandidate(CI); }  in visitCallInst()  argument
81     for (auto &CI : WorkList) {  in perform()  local
82       LLVM_DEBUG(dbgs() << "CDCE calls: " << CI->getCalledFunction()->getName()  in perform()
84       if (perform(CI)) {  in perform()
93   bool perform(CallInst *CI);
94   void checkCandidate(CallInst &CI);
95   void shrinkWrapCI(CallInst *CI, Value *Cond);
96   bool performCallDomainErrorOnly(CallInst *CI, const LibFunc &Func);
97   bool performCallErrors(CallInst *CI, const LibFunc &Func);
98   bool performCallRangeErrorOnly(CallInst *CI, const LibFunc &Func);
99   Value *generateOneRangeCond(CallInst *CI, const LibFunc &Func);
100   Value *generateTwoRangeCond(CallInst *CI, const LibFunc &Func);
101   Value *generateCondForPow(CallInst *CI, const LibFunc &Func);
104   Value *createOrCond(CallInst *CI, CmpInst::Predicate Cmp, float Val,  in createOrCond()  argument
106     IRBuilder<> BBBuilder(CI);  in createOrCond()
107     Value *Arg = CI->getArgOperand(0);  in createOrCond()
123   Value *createCond(CallInst *CI, CmpInst::Predicate Cmp, float Val) {  in createCond()  argument
124     IRBuilder<> BBBuilder(CI);  in createCond()
125     Value *Arg = CI->getArgOperand(0);  in createCond()
136 bool LibCallsShrinkWrap::performCallDomainErrorOnly(CallInst *CI,  in performCallDomainErrorOnly()  argument
149     Cond = createOrCond(CI, CmpInst::FCMP_OLT, -1.0f, CmpInst::FCMP_OGT, 1.0f);  in performCallDomainErrorOnly()
160     Cond = createOrCond(CI, CmpInst::FCMP_OEQ, INFINITY, CmpInst::FCMP_OEQ,  in performCallDomainErrorOnly()
169     Cond = createCond(CI, CmpInst::FCMP_OLT, 1.0f);  in performCallDomainErrorOnly()
177     Cond = createCond(CI, CmpInst::FCMP_OLT, 0.0f);  in performCallDomainErrorOnly()
183   shrinkWrapCI(CI, Cond);  in performCallDomainErrorOnly()
188 bool LibCallsShrinkWrap::performCallRangeErrorOnly(CallInst *CI,  in performCallRangeErrorOnly()  argument
208     Cond = generateTwoRangeCond(CI, Func);  in performCallRangeErrorOnly()
215     Cond = generateOneRangeCond(CI, Func);  in performCallRangeErrorOnly()
221   shrinkWrapCI(CI, Cond);  in performCallRangeErrorOnly()
226 bool LibCallsShrinkWrap::performCallErrors(CallInst *CI,  in performCallErrors()  argument
238     Cond = createOrCond(CI, CmpInst::FCMP_OLE, -1.0f, CmpInst::FCMP_OGE, 1.0f);  in performCallErrors()
257     Cond = createCond(CI, CmpInst::FCMP_OLE, 0.0f);  in performCallErrors()
267     Cond = createCond(CI, CmpInst::FCMP_OLE, -1.0f);  in performCallErrors()
275     Cond = generateCondForPow(CI, Func);  in performCallErrors()
284   shrinkWrapCI(CI, Cond);  in performCallErrors()
290 void LibCallsShrinkWrap::checkCandidate(CallInst &CI) {  in checkCandidate()  argument
291   if (CI.isNoBuiltin())  in checkCandidate()
297   if (!CI.use_empty())  in checkCandidate()
301   Function *Callee = CI.getCalledFunction();  in checkCandidate()
307   if (CI.getNumArgOperands() == 0)  in checkCandidate()
310   Type *ArgType = CI.getArgOperand(0)->getType();  in checkCandidate()
315   WorkList.push_back(&CI);  in checkCandidate()
319 Value *LibCallsShrinkWrap::generateOneRangeCond(CallInst *CI,  in generateOneRangeCond()  argument
337   return createCond(CI, CmpInst::FCMP_OGT, UpperBound);  in generateOneRangeCond()
341 Value *LibCallsShrinkWrap::generateTwoRangeCond(CallInst *CI,  in generateTwoRangeCond()  argument
401   return createOrCond(CI, CmpInst::FCMP_OGT, UpperBound, CmpInst::FCMP_OLT,  in generateTwoRangeCond()
420 Value *LibCallsShrinkWrap::generateCondForPow(CallInst *CI,  in generateCondForPow()  argument
428   Value *Base = CI->getArgOperand(0);  in generateCondForPow()
429   Value *Exp = CI->getArgOperand(1);  in generateCondForPow()
430   IRBuilder<> BBBuilder(CI);  in generateCondForPow()
441     Constant *V = ConstantFP::get(CI->getContext(), APFloat(127.0f));  in generateCondForPow()
469     Constant *V = ConstantFP::get(CI->getContext(), APFloat(UpperV));  in generateCondForPow()
470     Constant *V0 = ConstantFP::get(CI->getContext(), APFloat(0.0f));  in generateCondForPow()
485 void LibCallsShrinkWrap::shrinkWrapCI(CallInst *CI, Value *Cond) {  in shrinkWrapCI()  argument
488       MDBuilder(CI->getContext()).createBranchWeights(1, 2000);  in shrinkWrapCI()
491       SplitBlockAndInsertIfThen(Cond, CI, false, BranchWeights, DT);  in shrinkWrapCI()
497   CI->removeFromParent();  in shrinkWrapCI()
498   CallBB->getInstList().insert(CallBB->getFirstInsertionPt(), CI);  in shrinkWrapCI()
505 bool LibCallsShrinkWrap::perform(CallInst *CI) {  in perform()  argument
507   Function *Callee = CI->getCalledFunction();  in perform()
512   if (performCallDomainErrorOnly(CI, Func) || performCallRangeErrorOnly(CI, Func))  in perform()
514   return performCallErrors(CI, Func);  in perform()