[clang] [flang] [llvm] Initial support for vectorization using HVML (Hygon vector math library) (PR #219098)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp,c -- clang/lib/Driver/ToolChains/Clang.cpp clang/lib/Driver/ToolChains/CommonArgs.cpp clang/lib/Driver/ToolChains/Flang.cpp clang/test/Driver/autocomplete.c clang/test/Driver/fveclib.c flang/lib/Frontend/CompilerInvocation.cpp llvm/include/llvm/Frontend/Driver/CodeGenOptions.h llvm/include/llvm/IR/SystemLibraries.h llvm/lib/Analysis/TargetLibraryInfo.cpp llvm/lib/CodeGen/CommandFlags.cpp llvm/lib/Frontend/Driver/CodeGenOptions.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/CodeGen/CommandFlags.cpp b/llvm/lib/CodeGen/CommandFlags.cpp
index f93c6180a..19a707f01 100644
--- a/llvm/lib/CodeGen/CommandFlags.cpp
+++ b/llvm/lib/CodeGen/CommandFlags.cpp
@@ -453,7 +453,7 @@ codegen::RegisterCodeGenFlags::RegisterCodeGenFlags() {
           clEnumValN(VectorLibrary::AMDLIBM, "AMDLIBM",
                      "AMD vector math library"),
           clEnumValN(VectorLibrary::HVML, "HVML",
-                      "Hygon vector math library")));
+                     "Hygon vector math library")));
   CGBINDOPT(VectorLibrary);
 
   static cl::opt<bool> EnableStackSizeSection(

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https://github.com/llvm/llvm-project/pull/219098