From df02f3f50f977112ca1fbb148cd48ee41d560f41 Mon Sep 17 00:00:00 2001
From: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com>
Date: Thu, 9 Feb 2023 17:40:20 -0500
Subject: 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
---
 source/slang/slang-lower-to-ir.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'source/slang/slang-lower-to-ir.cpp')

diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp
index 8377246fb..74f06557d 100644
--- a/source/slang/slang-lower-to-ir.cpp
+++ b/source/slang/slang-lower-to-ir.cpp
@@ -4845,6 +4845,10 @@ struct StmtLoweringVisitor : StmtVisitor<StmtLoweringVisitor>
         {
             getBuilder()->addLoopControlDecoration(inst, kIRLoopControl_Loop);
         }
+        else if( auto maxItersAttr = stmt->findModifier<MaxItersAttribute>() )
+        {
+            getBuilder()->addLoopMaxItersDecoration(inst, maxItersAttr->value);
+        }
         // TODO: handle other cases here
     }
 
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