static bool runPartiallyInlineLibCalls(Function &F, TargetLibraryInfo *TLI,
const TargetTransformInfo *TTI) {
bool Changed = false;
Function::iterator CurrBB;
for (Function::iterator BB = F.begin(), BE = F.end(); BB != BE;) {
CurrBB = BB++;
for (BasicBlock::iterator II = CurrBB->begin(), IE = CurrBB->end();
II != IE; ++II) {
CallInst *Call = dyn_cast<CallInst>(&*II);
Function *CalledFunc;
if (!Call || !(CalledFunc = Call->getCalledFunction()))
continue;
if (Call->isNoBuiltin())
continue;
// Skip if function either has local linkage or is not a known library
// function.
LibFunc LF;
if (CalledFunc->hasLocalLinkage() ||
!TLI->getLibFunc(*CalledFunc, LF) || !TLI->has(LF))
continue;
switch (LF) {
case LibFunc_sqrtf:
case LibFunc_sqrt:
if (TTI->haveFastSqrt(Call->getType()) &&
optimizeSQRT(Call, CalledFunc, *CurrBB, BB, TTI))
break;
continue;
default:
continue;
}
Changed = true;
break;
}
}
return Changed;
}
