[clang] [llvm] [X86] Support apxf in attribute target (PR #184078)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,c,cpp -- clang/lib/Basic/Targets/X86.cpp clang/test/CodeGen/attr-target-x86.c clang/test/Sema/attr-target-mv.c clang/test/Sema/attr-target.c llvm/include/llvm/TargetParser/X86TargetParser.h llvm/lib/TargetParser/X86TargetParser.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp
index 6da3f383d..50725330e 100644
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -176,8 +176,8 @@ bool X86TargetInfo::initFeatureMap(
 
     if (Feature == "+apxf" || Feature == "-apxf") {
       std::vector<StringRef> APXFeatures;
-      llvm::X86::expandAPXFeatures(Feature == "-apxf", getTriple().isOSWindows(),
-                                   APXFeatures);
+      llvm::X86::expandAPXFeatures(Feature == "-apxf",
+                                   getTriple().isOSWindows(), APXFeatures);
       UpdatedFeaturesVec.insert(UpdatedFeaturesVec.end(), APXFeatures.begin(),
                                 APXFeatures.end());
       continue;

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https://github.com/llvm/llvm-project/pull/184078