Author: Timm Baeder Date: 2025-05-13T10:55:24+02:00 New Revision: 98763433e66dd91bf5f10b1daf03d9373f07912a
URL: https://github.com/llvm/llvm-project/commit/98763433e66dd91bf5f10b1daf03d9373f07912a DIFF: https://github.com/llvm/llvm-project/commit/98763433e66dd91bf5f10b1daf03d9373f07912a.diff LOG: [clang][bytecode] Optimize enum value range checks (#139672) Only do the work if we really have to. Added: Modified: clang/lib/AST/ByteCode/Interp.cpp clang/lib/AST/ByteCode/Interp.h Removed: ################################################################################ diff --git a/clang/lib/AST/ByteCode/Interp.cpp b/clang/lib/AST/ByteCode/Interp.cpp index 43f8d156589b6..91930c016c985 100644 --- a/clang/lib/AST/ByteCode/Interp.cpp +++ b/clang/lib/AST/ByteCode/Interp.cpp @@ -1251,12 +1251,11 @@ bool Free(InterpState &S, CodePtr OpPC, bool DeleteIsArrayForm, void diagnoseEnumValue(InterpState &S, CodePtr OpPC, const EnumDecl *ED, const APSInt &Value) { - llvm::APInt Min; - llvm::APInt Max; - if (S.EvaluatingDecl && !S.EvaluatingDecl->isConstexpr()) return; + llvm::APInt Min; + llvm::APInt Max; ED->getValueRange(Max, Min); --Max; diff --git a/clang/lib/AST/ByteCode/Interp.h b/clang/lib/AST/ByteCode/Interp.h index a13fd6c1f1daa..35d97167135f7 100644 --- a/clang/lib/AST/ByteCode/Interp.h +++ b/clang/lib/AST/ByteCode/Interp.h @@ -3026,10 +3026,11 @@ template <PrimType Name, class T = typename PrimConv<Name>::T> inline bool CheckEnumValue(InterpState &S, CodePtr OpPC, const EnumDecl *ED) { assert(ED); assert(!ED->isFixed()); - const APSInt Val = S.Stk.peek<T>().toAPSInt(); - if (S.inConstantContext()) + if (S.inConstantContext()) { + const APSInt Val = S.Stk.peek<T>().toAPSInt(); diagnoseEnumValue(S, OpPC, ED, Val); + } return true; } _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits