76   void visitCallInst(CallInst &CI) { checkCandidate(CI); }  in visitCallInst()  argument
79     for (auto &CI : WorkList) {  in perform()  local
80       LLVM_DEBUG(dbgs() << "CDCE calls: " << CI->getCalledFunction()->getName()  in perform()
82       if (perform(CI)) {  in perform()
91   bool perform(CallInst *CI);
92   void checkCandidate(CallInst &CI);
93   void shrinkWrapCI(CallInst *CI, Value *Cond);
94   bool performCallDomainErrorOnly(CallInst *CI, const LibFunc &Func);
95   bool performCallErrors(CallInst *CI, const LibFunc &Func);
96   bool performCallRangeErrorOnly(CallInst *CI, const LibFunc &Func);
97   Value *generateOneRangeCond(CallInst *CI, const LibFunc &Func);
98   Value *generateTwoRangeCond(CallInst *CI, const LibFunc &Func);
99   Value *generateCondForPow(CallInst *CI, const LibFunc &Func);
102   Value *createOrCond(CallInst *CI, CmpInst::Predicate Cmp, float Val,  in createOrCond()  argument
104     IRBuilder<> BBBuilder(CI);  in createOrCond()
105     Value *Arg = CI->getArgOperand(0);  in createOrCond()
121   Value *createCond(CallInst *CI, CmpInst::Predicate Cmp, float Val) {  in createCond()  argument
122     IRBuilder<> BBBuilder(CI);  in createCond()
123     Value *Arg = CI->getArgOperand(0);  in createCond()
134 bool LibCallsShrinkWrap::performCallDomainErrorOnly(CallInst *CI,  in performCallDomainErrorOnly()  argument
147     Cond = createOrCond(CI, CmpInst::FCMP_OLT, -1.0f, CmpInst::FCMP_OGT, 1.0f);  in performCallDomainErrorOnly()
158     Cond = createOrCond(CI, CmpInst::FCMP_OEQ, INFINITY, CmpInst::FCMP_OEQ,  in performCallDomainErrorOnly()
167     Cond = createCond(CI, CmpInst::FCMP_OLT, 1.0f);  in performCallDomainErrorOnly()
175     Cond = createCond(CI, CmpInst::FCMP_OLT, 0.0f);  in performCallDomainErrorOnly()
181   shrinkWrapCI(CI, Cond);  in performCallDomainErrorOnly()
186 bool LibCallsShrinkWrap::performCallRangeErrorOnly(CallInst *CI,  in performCallRangeErrorOnly()  argument
206     Cond = generateTwoRangeCond(CI, Func);  in performCallRangeErrorOnly()
213     Cond = generateOneRangeCond(CI, Func);  in performCallRangeErrorOnly()
219   shrinkWrapCI(CI, Cond);  in performCallRangeErrorOnly()
224 bool LibCallsShrinkWrap::performCallErrors(CallInst *CI,  in performCallErrors()  argument
236     Cond = createOrCond(CI, CmpInst::FCMP_OLE, -1.0f, CmpInst::FCMP_OGE, 1.0f);  in performCallErrors()
255     Cond = createCond(CI, CmpInst::FCMP_OLE, 0.0f);  in performCallErrors()
265     Cond = createCond(CI, CmpInst::FCMP_OLE, -1.0f);  in performCallErrors()
273     Cond = generateCondForPow(CI, Func);  in performCallErrors()
282   shrinkWrapCI(CI, Cond);  in performCallErrors()
288 void LibCallsShrinkWrap::checkCandidate(CallInst &CI) {  in checkCandidate()  argument
289   if (CI.isNoBuiltin())  in checkCandidate()
295   if (!CI.use_empty())  in checkCandidate()
299   Function *Callee = CI.getCalledFunction();  in checkCandidate()
305   if (CI.arg_empty())  in checkCandidate()
308   Type *ArgType = CI.getArgOperand(0)->getType();  in checkCandidate()
313   WorkList.push_back(&CI);  in checkCandidate()
317 Value *LibCallsShrinkWrap::generateOneRangeCond(CallInst *CI,  in generateOneRangeCond()  argument
335   return createCond(CI, CmpInst::FCMP_OGT, UpperBound);  in generateOneRangeCond()
339 Value *LibCallsShrinkWrap::generateTwoRangeCond(CallInst *CI,  in generateTwoRangeCond()  argument
399   return createOrCond(CI, CmpInst::FCMP_OGT, UpperBound, CmpInst::FCMP_OLT,  in generateTwoRangeCond()
418 Value *LibCallsShrinkWrap::generateCondForPow(CallInst *CI,  in generateCondForPow()  argument
426   Value *Base = CI->getArgOperand(0);  in generateCondForPow()
427   Value *Exp = CI->getArgOperand(1);  in generateCondForPow()
428   IRBuilder<> BBBuilder(CI);  in generateCondForPow()
439     Constant *V = ConstantFP::get(CI->getContext(), APFloat(127.0f));  in generateCondForPow()
467     Constant *V = ConstantFP::get(CI->getContext(), APFloat(UpperV));  in generateCondForPow()
468     Constant *V0 = ConstantFP::get(CI->getContext(), APFloat(0.0f));  in generateCondForPow()
483 void LibCallsShrinkWrap::shrinkWrapCI(CallInst *CI, Value *Cond) {  in shrinkWrapCI()  argument
486       MDBuilder(CI->getContext()).createBranchWeights(1, 2000);  in shrinkWrapCI()
489       SplitBlockAndInsertIfThen(Cond, CI, false, BranchWeights, DT);  in shrinkWrapCI()
495   CI->removeFromParent();  in shrinkWrapCI()
496   CallBB->getInstList().insert(CallBB->getFirstInsertionPt(), CI);  in shrinkWrapCI()
503 bool LibCallsShrinkWrap::perform(CallInst *CI) {  in perform()  argument
505   Function *Callee = CI->getCalledFunction();  in perform()
510   if (performCallDomainErrorOnly(CI, Func) || performCallRangeErrorOnly(CI, Func))  in perform()
512   return performCallErrors(CI, Func);  in perform()