57   void visitCallInst(CallInst &CI) { checkCandidate(CI); }  in visitCallInst()  argument
60     for (auto &CI : WorkList) {  in perform()  local
61       LLVM_DEBUG(dbgs() << "CDCE calls: " << CI->getCalledFunction()->getName()  in perform()
63       if (perform(CI)) {  in perform()
72   bool perform(CallInst *CI);
73   void checkCandidate(CallInst &CI);
74   void shrinkWrapCI(CallInst *CI, Value *Cond);
75   bool performCallDomainErrorOnly(CallInst *CI, const LibFunc &Func);
76   bool performCallErrors(CallInst *CI, const LibFunc &Func);
77   bool performCallRangeErrorOnly(CallInst *CI, const LibFunc &Func);
78   Value *generateOneRangeCond(CallInst *CI, const LibFunc &Func);
79   Value *generateTwoRangeCond(CallInst *CI, const LibFunc &Func);
80   Value *generateCondForPow(CallInst *CI, const LibFunc &Func);
83   Value *createOrCond(CallInst *CI, Value *Arg, CmpInst::Predicate Cmp,  in createOrCond()  argument
86     IRBuilder<> BBBuilder(CI);  in createOrCond()
93   Value *createOrCond(CallInst *CI, CmpInst::Predicate Cmp, float Val,  in createOrCond()  argument
95     Value *Arg = CI->getArgOperand(0);  in createOrCond()
96     return createOrCond(CI, Arg, Cmp, Val, Arg, Cmp2, Val2);  in createOrCond()
111   Value *createCond(CallInst *CI, Value *Arg, CmpInst::Predicate Cmp,  in createCond()  argument
113     IRBuilder<> BBBuilder(CI);  in createCond()
118   Value *createCond(CallInst *CI, CmpInst::Predicate Cmp, float Val) {  in createCond()  argument
119     Value *Arg = CI->getArgOperand(0);  in createCond()
120     return createCond(CI, Arg, Cmp, Val);  in createCond()
130 bool LibCallsShrinkWrap::performCallDomainErrorOnly(CallInst *CI,  in performCallDomainErrorOnly()  argument
143     Cond = createOrCond(CI, CmpInst::FCMP_OLT, -1.0f, CmpInst::FCMP_OGT, 1.0f);  in performCallDomainErrorOnly()
154     Cond = createOrCond(CI, CmpInst::FCMP_OEQ, INFINITY, CmpInst::FCMP_OEQ,  in performCallDomainErrorOnly()
163     Cond = createCond(CI, CmpInst::FCMP_OLT, 1.0f);  in performCallDomainErrorOnly()
171     Cond = createCond(CI, CmpInst::FCMP_OLT, 0.0f);  in performCallDomainErrorOnly()
177   shrinkWrapCI(CI, Cond);  in performCallDomainErrorOnly()
182 bool LibCallsShrinkWrap::performCallRangeErrorOnly(CallInst *CI,  in performCallRangeErrorOnly()  argument
202     Cond = generateTwoRangeCond(CI, Func);  in performCallRangeErrorOnly()
209     Cond = generateOneRangeCond(CI, Func);  in performCallRangeErrorOnly()
215   shrinkWrapCI(CI, Cond);  in performCallRangeErrorOnly()
220 bool LibCallsShrinkWrap::performCallErrors(CallInst *CI,  in performCallErrors()  argument
232     Cond = createOrCond(CI, CmpInst::FCMP_OLE, -1.0f, CmpInst::FCMP_OGE, 1.0f);  in performCallErrors()
251     Cond = createCond(CI, CmpInst::FCMP_OLE, 0.0f);  in performCallErrors()
261     Cond = createCond(CI, CmpInst::FCMP_OLE, -1.0f);  in performCallErrors()
269     Cond = generateCondForPow(CI, Func);  in performCallErrors()
278   shrinkWrapCI(CI, Cond);  in performCallErrors()
282 // Checks if CI is a candidate for shrinkwrapping and put it into work list if
284 void LibCallsShrinkWrap::checkCandidate(CallInst &CI) {  in checkCandidate()  argument
285   if (CI.isNoBuiltin())  in checkCandidate()
291   if (!CI.use_empty())  in checkCandidate()
295   Function *Callee = CI.getCalledFunction();  in checkCandidate()
301   if (CI.arg_empty())  in checkCandidate()
304   Type *ArgType = CI.getArgOperand(0)->getType();  in checkCandidate()
309   WorkList.push_back(&CI);  in checkCandidate()
313 Value *LibCallsShrinkWrap::generateOneRangeCond(CallInst *CI,  in generateOneRangeCond()  argument
331   return createCond(CI, CmpInst::FCMP_OGT, UpperBound);  in generateOneRangeCond()
335 Value *LibCallsShrinkWrap::generateTwoRangeCond(CallInst *CI,  in generateTwoRangeCond()  argument
395   return createOrCond(CI, CmpInst::FCMP_OGT, UpperBound, CmpInst::FCMP_OLT,  in generateTwoRangeCond()
414 Value *LibCallsShrinkWrap::generateCondForPow(CallInst *CI,  in generateCondForPow()  argument
422   Value *Base = CI->getArgOperand(0);  in generateCondForPow()
423   Value *Exp = CI->getArgOperand(1);  in generateCondForPow()
434     return createCond(CI, Exp, CmpInst::FCMP_OGT, 127.0f);  in generateCondForPow()
459     return createOrCond(CI, Base, CmpInst::FCMP_OLE, 0.0f, Exp,  in generateCondForPow()
467 void LibCallsShrinkWrap::shrinkWrapCI(CallInst *CI, Value *Cond) {  in shrinkWrapCI()  argument
470       MDBuilder(CI->getContext()).createUnlikelyBranchWeights();  in shrinkWrapCI()
473       SplitBlockAndInsertIfThen(Cond, CI, false, BranchWeights, &DTU);  in shrinkWrapCI()
479   CI->removeFromParent();  in shrinkWrapCI()
480   CI->insertInto(CallBB, CallBB->getFirstInsertionPt());  in shrinkWrapCI()
487 bool LibCallsShrinkWrap::perform(CallInst *CI) {  in perform()  argument
489   Function *Callee = CI->getCalledFunction();  in perform()
494   if (performCallDomainErrorOnly(CI, Func) || performCallRangeErrorOnly(CI, Func))  in perform()
496   return performCallErrors(CI, Func);  in perform()