[clang] [llvm] [X86] Support EGPR for inline assembly. (PR #92338)

[Freddy Ye via llvm-commits]

================
@@ -450,6 +450,8 @@ bool X86TargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
       HasFullBFloat16 = true;
     } else if (Feature == "+egpr") {
       HasEGPR = true;
+    } else if (Feature == "+inline-asm-use-gpr32") {
----------------
FreddyLeaf wrote:

> Will the feature be emitted in IR?

yes, I was referring `prefer-no-gather`

https://github.com/llvm/llvm-project/pull/92338