[clang] [lld] [llvm] [X86][APX] Suppress EGPR/NDD instructions for relocations (PR #136660)

[Phoebe Wang via cfe-commits]

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@@ -254,11 +256,20 @@ static bool CompressEVEXImpl(MachineInstr &MI, const X86Subtarget &ST) {
     }
   }
 
+  bool IsWithReloc = false;
+  if (X86EnableAPXForRelocation) {
+    int MemOpNo = X86II::getMemoryOperandNo(MI.getDesc().TSFlags) +
+                  X86II::getOperandBias(MI.getDesc());
+    MachineOperand &MO = MI.getOperand(X86::AddrDisp + MemOpNo);
+    if (MO.getTargetFlags() == X86II::MO_GOTTPOFF)
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phoebewang wrote:

Maybe only an assert? We have handled NDD case. NF only generated if it is an NDD instruction.

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