[clang] [clang][fmv] Drop .ifunc from target_version's entrypoint's mangling (PR #81194)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff ff8c865838b46d0202963b816fbed50aaf96a7f4 92aef5a078583f69cede47374e2b97de865c5c5d -- clang/include/clang/AST/Decl.h clang/lib/AST/Decl.cpp clang/lib/CodeGen/CodeGenModule.cpp clang/test/CodeGen/attr-target-version.c clang/test/CodeGenCXX/attr-target-version.cpp
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 364553e2a6..872bd630ca 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -4212,7 +4212,8 @@ void CodeGenModule::emitMultiVersionFunctions() {
     llvm::Constant *ResolverConstant = GetOrCreateMultiVersionResolver(GD);
     if (auto *IFunc = dyn_cast<llvm::GlobalIFunc>(ResolverConstant)) {
       ResolverConstant = IFunc->getResolver();
-      if (FD->isTargetClonesMultiVersion() || FD->isTargetVersionMultiVersion()) {
+      if (FD->isTargetClonesMultiVersion() ||
+          FD->isTargetVersionMultiVersion()) {
         const CGFunctionInfo &FI = getTypes().arrangeGlobalDeclaration(GD);
         llvm::FunctionType *DeclTy = getTypes().GetFunctionType(FI);
         std::string MangledName = getMangledNameImpl(

``````````

</details>


https://github.com/llvm/llvm-project/pull/81194