[clang] [llvm] AMDGPU: Implement tensor load and store instructions for gfx1250 (PR #146636)

[Matt Arsenault via cfe-commits]

================
@@ -4280,6 +4281,20 @@ bool AMDGPUAsmParser::validateMIMGD16(const MCInst 
&Inst) {
   return true;
 }
 
+bool AMDGPUAsmParser::validateTensorR128(const MCInst &Inst) {
+  const unsigned Opc = Inst.getOpcode();
+  const MCInstrDesc &Desc = MII.get(Opc);
+
+  if ((Desc.TSFlags & SIInstrFlags::TENSOR_CNT) == 0)
+    return true;
+
+  int R128Idx = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::r128);
+  if (R128Idx >= 0 && Inst.getOperand(R128Idx).getImm())
+    return false;
+
+  return true;
----------------
arsenm wrote:

Fold to return of bool expression 

https://github.com/llvm/llvm-project/pull/146636
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