[clang] [lld] [llvm] [X86] Implement disabling APX relocations and EPGR/NDD instrs for relocations (PR #136660)

[Phoebe Wang via cfe-commits]

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@@ -912,9 +912,9 @@ void X86_64::relocate(uint8_t *loc, const Relocation &rel, uint64_t val) const {
   case R_X86_64_CODE_4_GOTPC32_TLSDESC:
   case R_X86_64_TLSDESC_CALL:
   case R_X86_64_TLSGD:
-    if (rel.expr == R_RELAX_TLS_GD_TO_LE) {
+    if (rel.expr == R_RELAX_TLS_GD_TO_LE && ctx.arg.relax) {
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phoebewang wrote:

Do we need to handle this case? The new lld has the ability to hanlde APX relocations. lld still does the ralax with "-no-relax" for the reset 3 relocations before the APX changes, isn't it?

https://github.com/llvm/llvm-project/pull/136660