static bool isCallToStandardLibrarySwap(CallExpr *CE, ASTContext &Ctx) {
if (CE->getCalledValue() == Ctx.getSwap())
return true;
// Is the call module qualified, i.e. Swift.swap(&a[i], &[j)?
if (auto *DSBIE = dyn_cast<DotSyntaxBaseIgnoredExpr>(CE->getFn())) {
if (auto *DRE = dyn_cast<DeclRefExpr>(DSBIE->getRHS())) {
return DRE->getDecl() == Ctx.getSwap();
}
}
return false;
}
/// Returns true when the apply calls the Standard Library swap().
/// Used for fix-its to suggest replacing with Collection.swapAt()
/// on exclusivity violations.
static bool isCallToStandardLibrarySwap(ApplyInst *AI, ASTContext &Ctx) {
SILFunction *SF = AI->getReferencedFunction();
if (!SF)
return false;
if (!SF->hasLocation())
return false;
auto *FD = SF->getLocation().getAsASTNode<FuncDecl>();
if (!FD)
return false;
return FD == Ctx.getSwap();
}