================
@@ -2855,13 +2855,19 @@ void
CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
F->addFnAttrs(B);
- unsigned alignment = D->getMaxAlignment() / Context.getCharWidth();
- if (alignment)
- F->setAlignment(llvm::Align(alignment));
-
- if (!D->hasAttr<AlignedAttr>())
- if (LangOpts.FunctionAlignment)
- F->setAlignment(llvm::Align(1ull << LangOpts.FunctionAlignment));
+ llvm::MaybeAlign ExplicitAlignment;
+ if (unsigned alignment = D->getMaxAlignment() / Context.getCharWidth())
+ ExplicitAlignment = llvm::Align(alignment);
+ else if (LangOpts.FunctionAlignment)
+ ExplicitAlignment = llvm::Align(1ull << LangOpts.FunctionAlignment);
+
+ if (ExplicitAlignment) {
+ F->setAlignment(ExplicitAlignment);
+ F->setPreferredAlignment(ExplicitAlignment);
----------------
vitalybuka wrote:
should 'if (ExplicitAlignment)' branch use max of explicit and prefered?
https://github.com/llvm/llvm-project/pull/155528
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