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authorTimm Baeder <tbaeder@redhat.com>2025-05-13 10:55:24 +0200
committerGitHub <noreply@github.com>2025-05-13 10:55:24 +0200
commit98763433e66dd91bf5f10b1daf03d9373f07912a (patch)
tree36966237c6b2073578353242ec07b81b4c5445f6
parent6d35ec233525f278cbe06ff3cd49ea276825817f (diff)
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[clang][bytecode] Optimize enum value range checks (#139672)
Only do the work if we really have to.
-rw-r--r--clang/lib/AST/ByteCode/Interp.cpp5
-rw-r--r--clang/lib/AST/ByteCode/Interp.h5
2 files changed, 5 insertions, 5 deletions
diff --git a/clang/lib/AST/ByteCode/Interp.cpp b/clang/lib/AST/ByteCode/Interp.cpp
index 43f8d15..91930c0 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 a13fd6c..35d9716 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;
}