[clang] [FMV] Emit the resolver along with the default version definition. (PR #84405)
Alexandros Lamprineas via cfe-commits
cfe-commits at lists.llvm.org
Fri Mar 15 06:21:55 PDT 2024
================
@@ -4347,6 +4362,19 @@ void CodeGenModule::emitCPUDispatchDefinition(GlobalDecl GD) {
}
}
+/// Adds a declaration to the list of multi version functions if not present.
+void CodeGenModule::AddDeferredMultiVersionResolverToEmit(GlobalDecl GD) {
+ const auto *FD = cast<FunctionDecl>(GD.getDecl());
+ assert(FD && "Not a FunctionDecl?");
+
+ if (FD->isTargetVersionMultiVersion()) {
+ StringRef NamePrefix = getMangledName(GD).split('.').first;
----------------
labrinea wrote:
I tried experimenting with __asm__ but couldn't construct a sensible example in regards to multi versioning. Can you please show me?
https://github.com/llvm/llvm-project/pull/84405
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