[Mlir-commits] [mlir] [mlir][emitc] Add EmitC index types (PR #93155)

[Corentin Ferry]

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@@ -1570,6 +1570,10 @@ LogicalResult CppEmitter::emitType(Location loc, Type type) {
   }
   if (auto iType = dyn_cast<IndexType>(type))
     return (os << "size_t"), success();
+  if (auto sType = dyn_cast<emitc::SizeTType>(type))
+    return (os << "size_t"), success();
+  if (auto sType = dyn_cast<emitc::SignedSizeTType>(type))
+    return (os << "ssize_t"), success();
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cferry-AMD wrote:

The only requirement is that values are preserved when going back and forth between the signed and the unsigned representative for the index type (these casts are auto-inserted depending on which signedness is needed by the op). This looks possible for `intmax_t` and `uintmax_t`.

https://github.com/llvm/llvm-project/pull/93155