================
@@ -232,6 +232,41 @@ class HLSLAnnotationAttr : public InheritableAttr {
}
};
+class HLSLSemanticAttr : public HLSLAnnotationAttr {
+ unsigned SemanticIndex : 30;
----------------
llvm-beanz wrote:
I was trying to figure out if we had any documentation on the valid ranges for
this. It looks like DXC does allow a 32-bit integer, and while I hope to god
that nobody is actually doing this it seems to work up to UINT32_MAX:
https://godbolt.org/z/eEazEbfrM
It probably won't hurt us to give a full 32-bit integer for the semantic index
and have the bools be an extra bitfield.
https://github.com/llvm/llvm-project/pull/152537
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