[clang] [llvm] [RISCV][FMV] Support target_clones (PR #85786)

[Piyou Chen via cfe-commits]

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@@ -14266,6 +14277,71 @@ CodeGenFunction::EmitAArch64CpuSupports(ArrayRef<StringRef> FeaturesStrs) {
   return Result;
 }
 
+Value *CodeGenFunction::EmitRISCVCpuSupports(ArrayRef<StringRef> FeaturesStrs,
+                                             unsigned &MaxGroupIDUsed) {
+
+  const unsigned FeatureBitSize = llvm::RISCV::RISCVFeatureBitSize;
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BeMg wrote:

> This block of repeating code should be factored out as a static helper.

It is standalone help function now.


https://github.com/llvm/llvm-project/pull/85786