================
@@ -852,6 +877,58 @@ static bool areExprsMacroAndNonMacro(const Expr *&LhsExpr,
return LhsLoc.isMacroID() != RhsLoc.isMacroID();
}
+
+static bool areExprsSameMacroOrLiteral(const BinaryOperator *BinOp,
+ const ASTContext *Context) {
+
+ if (!BinOp)
+ return false;
+
+ const auto *Lhs = BinOp->getLHS();
+ const auto *Rhs = BinOp->getRHS();
+ const SourceManager &SM = Context->getSourceManager();
+
+ SourceRange Lsr = Lhs->getSourceRange();
+ SourceRange Rsr = Rhs->getSourceRange();
+ if (Lsr.getBegin().isMacroID()) {
+ // Left is macro so right macro too
+ if (Rsr.getBegin().isMacroID()) {
+ // Both sides are macros so they are same macro or literal
+ llvm::StringRef L = Lexer::getSourceText(
+ CharSourceRange::getTokenRange(Lsr), SM, LangOptions(), 0);
+ llvm::StringRef R = Lexer::getSourceText(
+ CharSourceRange::getTokenRange(Rsr), SM, LangOptions(), 0);
+ return L.compare(R) == 0;
+ }
+ // Left is macro but right is not so they are not same macro or literal
+ return false;
+ } else {
+ const IntegerLiteral *Lil = dyn_cast<IntegerLiteral>(Lhs);
+ const IntegerLiteral *Ril = dyn_cast<IntegerLiteral>(Rhs);
+ if (Lil && Ril) {
+ return Lil->getValue() == Ril->getValue();
+ }
+
+ const StringLiteral *LStrl = dyn_cast<StringLiteral>(Lhs);
----------------
EugeneZelenko wrote:
Ditto.
https://github.com/llvm/llvm-project/pull/121960
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