[clang] [llvm] [X86][AMX] Support AMX-AVX512 (PR #114070)

[Feng Zou via cfe-commits]

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@@ -559,12 +559,68 @@ bool X86ExpandPseudo::expandMI(MachineBasicBlock &MBB,
     return true;
   }
   case X86::PTILELOADDV:
-  case X86::PTILELOADDT1V: {
+  case X86::PTILELOADDT1V:
+  case X86::PTCVTROWD2PSrreV:
+  case X86::PTCVTROWD2PSrriV:
+  case X86::PTCVTROWPS2PBF16HrreV:
+  case X86::PTCVTROWPS2PBF16HrriV:
+  case X86::PTCVTROWPS2PBF16LrreV:
+  case X86::PTCVTROWPS2PBF16LrriV:
+  case X86::PTCVTROWPS2PHHrreV:
+  case X86::PTCVTROWPS2PHHrriV:
+  case X86::PTCVTROWPS2PHLrreV:
+  case X86::PTCVTROWPS2PHLrriV:
+  case X86::PTILEMOVROWrreV:
+  case X86::PTILEMOVROWrriV: {
     for (unsigned i = 2; i > 0; --i)
       MI.removeOperand(i);
-    unsigned Opc = Opcode == X86::PTILELOADDV
-                       ? GET_EGPR_IF_ENABLED(X86::TILELOADD)
-                       : GET_EGPR_IF_ENABLED(X86::TILELOADDT1);
+    unsigned Opc;
+    switch (Opcode) {
+    case X86::PTILELOADDV:
+      Opc = GET_EGPR_IF_ENABLED(X86::TILELOADD);
+      break;
+    case X86::PTILELOADDT1V:
+      Opc = GET_EGPR_IF_ENABLED(X86::TILELOADDT1);
+      break;
+    case X86::PTCVTROWD2PSrreV:
+      Opc = X86::TCVTROWD2PSrre;
+      break;
+    case X86::PTCVTROWD2PSrriV:
+      Opc = X86::TCVTROWD2PSrri;
+      break;
+    case X86::PTCVTROWPS2PBF16HrreV:
+      Opc = X86::TCVTROWPS2PBF16Hrre;
+      break;
+    case X86::PTCVTROWPS2PBF16HrriV:
+      Opc = X86::TCVTROWPS2PBF16Hrri;
+      break;
+    case X86::PTCVTROWPS2PBF16LrreV:
+      Opc = X86::TCVTROWPS2PBF16Lrre;
+      break;
+    case X86::PTCVTROWPS2PBF16LrriV:
+      Opc = X86::TCVTROWPS2PBF16Lrri;
+      break;
+    case X86::PTCVTROWPS2PHHrreV:
+      Opc = X86::TCVTROWPS2PHHrre;
+      break;
+    case X86::PTCVTROWPS2PHHrriV:
+      Opc = X86::TCVTROWPS2PHHrri;
+      break;
+    case X86::PTCVTROWPS2PHLrreV:
+      Opc = X86::TCVTROWPS2PHLrre;
+      break;
+    case X86::PTCVTROWPS2PHLrriV:
+      Opc = X86::TCVTROWPS2PHLrri;
+      break;
+    case X86::PTILEMOVROWrreV:
+      Opc = X86::TILEMOVROWrre;
+      break;
+    case X86::PTILEMOVROWrriV:
+      Opc = X86::TILEMOVROWrri;
+      break;
+    default:
+      llvm_unreachable("Impossible Opcode!");
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fzou1 wrote:

Better to change "Impossible" to "Invalid".

https://github.com/llvm/llvm-project/pull/114070