https://github.com/tbaederr created https://github.com/llvm/llvm-project/pull/118294
This is part of a three-patch series that results in some nice (but not substantial) compile-time improvements: http://llvm-compile-time-tracker.com/compare.php?from=fe1c4f0106fe4fd6d61c38ba46e71fda8f4d1573&to=0824d621b2c035a3befb564153b31309a9a79d97&stat=instructions%3Au The results for just this patch are here: http://llvm-compile-time-tracker.com/compare.php?from=fe1c4f0106fe4fd6d61c38ba46e71fda8f4d1573&to=6f7f51b476a37dc7c80427fede077e6798a83be8&stat=instructions:u >From 3cb35d11ee2be92ff4372c2c0802f409a6967ebc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbae...@redhat.com> Date: Wed, 27 Nov 2024 09:57:27 +0100 Subject: [PATCH] [ExprConst] Handle floating- and char literals in FastEvaluateAsRValue --- clang/lib/AST/ExprConstant.cpp | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp index bb5ab67328fbc6..fa0661f65fceaf 100644 --- a/clang/lib/AST/ExprConstant.cpp +++ b/clang/lib/AST/ExprConstant.cpp @@ -16473,7 +16473,7 @@ static bool FastEvaluateAsRValue(const Expr *Exp, Expr::EvalResult &Result, const ASTContext &Ctx, bool &IsConst) { // Fast-path evaluations of integer literals, since we sometimes see files // containing vast quantities of these. - if (const IntegerLiteral *L = dyn_cast<IntegerLiteral>(Exp)) { + if (const auto *L = dyn_cast<IntegerLiteral>(Exp)) { Result.Val = APValue(APSInt(L->getValue(), L->getType()->isUnsignedIntegerType())); IsConst = true; @@ -16486,6 +16486,18 @@ static bool FastEvaluateAsRValue(const Expr *Exp, Expr::EvalResult &Result, return true; } + if (const auto *FL = dyn_cast<FloatingLiteral>(Exp)) { + Result.Val = APValue(FL->getValue()); + IsConst = true; + return true; + } + + if (const auto *L = dyn_cast<CharacterLiteral>(Exp)) { + Result.Val = APValue(Ctx.MakeIntValue(L->getValue(), L->getType())); + IsConst = true; + return true; + } + if (const auto *CE = dyn_cast<ConstantExpr>(Exp)) { if (CE->hasAPValueResult()) { APValue APV = CE->getAPValueResult(); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
