Reverse-mode Loop Support (#2635)

* Full loop support now working. MaxItersAttr in progress

* Lookup table updates?

* Fixed the max iters decoration

* Minox fixes & remove superfluous code

* fixup warnings

* Revert "Lookup table updates?"

This reverts commit 7d9b0793fb5239f31d1155776e846dcf1892d8d9.

* Update 07-autodiff.md

* Change maxiters to MaxIters

* Added asserts

* Update 07-autodiff.md

1 files changed, 11 insertions, 0 deletions

diff --git a/source/slang/slang-check-modifier.cpp b/source/slang/slang-check-modifier.cpp
index e73f04301..9f3e79978 100644
--- a/source/slang/slang-check-modifier.cpp
+++ b/source/slang/slang-check-modifier.cpp
@@ -507,6 +507,17 @@ namespace Slang
             // as 1 arg if nothing is specified)
             SLANG_ASSERT(attr->args.getCount() == 1);
         }
+        else if (auto maxItersAttrs = as<MaxItersAttribute>(attr))
+        {
+            if (auto cint = checkConstantIntVal(attr->args[0]))
+            {
+                maxItersAttrs->value = (int32_t) cint->value;
+            }
+            else
+            {
+                getSink()->diagnose(attr, Diagnostics::notEnoughArguments, attr->args.getCount(), 1);
+            }
+        }
         else if (auto userDefAttr = as<UserDefinedAttribute>(attr))
         {
             // check arguments against attribute parameters defined in attribClassDecl