[Mlir-commits] [mlir] [MLIR][NVVM] Improve inline_ptx, add readwrite support (PR #154358)

[Durgadoss R]

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@@ -108,38 +128,225 @@ void PtxBuilder::insertValue(Value v, PTXRegisterMod itype) {
 }
 
 /// Check if the operation needs to pack and unpack results.
-static bool needsPackUnpack(BasicPtxBuilderInterface interfaceOp) {
-  return interfaceOp->getNumResults() > 1;
+static bool
+needsPackUnpack(BasicPtxBuilderInterface interfaceOp,
+                bool needsManualRegisterMapping,
+                SmallVectorImpl<PTXRegisterMod> &registerModifiers) {
+  if (needsManualRegisterMapping)
+    return false;
+  const unsigned writeOnly = interfaceOp->getNumResults();
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durga4github wrote:

Let us name it writeOnlyVals or writeOnlyResults ?

https://github.com/llvm/llvm-project/pull/154358