Support compile-time constant int val in the form of polynomials. (#2372)

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/source/slang/slang-type-layout.cpp b/source/slang/slang-type-layout.cpp
index 22af19271..73ccd4726 100644
--- a/source/slang/slang-type-layout.cpp
+++ b/source/slang/slang-type-layout.cpp
@@ -1479,6 +1479,18 @@ static LayoutSize GetElementCount(IntVal* val)
         //
         return 0;
     }
+    else if (auto polyIntVal = as<PolynomialIntVal>(val))
+    {
+        // TODO: We want to treat the case where the number of
+        // elements in an array depends on a generic parameter
+        // much like the case where the number of elements is
+        // unbounded, *but* we can't just blindly do that because
+        // an API might disallow unbounded arrays in various
+        // cases where a generic bound might work (because
+        // any concrete specialization will have a finite bound...)
+        //
+        return 0;
+    }
     SLANG_UNEXPECTED("unhandled integer literal kind");
     UNREACHABLE_RETURN(LayoutSize(0));
 }