From b61be5e6fb7fe1c4ec8228cdf73f49f11e5a0ac9 Mon Sep 17 00:00:00 2001
From: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com>
Date: Mon, 28 Oct 2024 15:47:58 -0400
Subject: Assorted auto-diff enhancements for increased performance & more
 streamlined auto-diff results (#5394)

* Various AD enhancements

* Fix issue with pt-loop test

* Update pt-loop.slang

* More fixes for perf. Final minimal context test now passes.

* Fix issue with loop-elimination pass not running after dce

* Try fix wgpu test by removing select operator

* Disable wgpu

* Delete out.wgsl

* Remove comments

* Update slang-ir-util.cpp

* Fix header relative paths for slang-embed

* Disbale wgpu for a few other tests

* Better way of determining which params to ignore for side-effects

* Update slang-ir-dce.cpp

* Fix issue with circular reference from previous AD pass being left behind for the next AD pass

* Update slang-ir-dce.cpp
---
 source/slang/slang-ir-layout.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

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

diff --git a/source/slang/slang-ir-layout.cpp b/source/slang/slang-ir-layout.cpp
index 82287f58e..9662dc522 100644
--- a/source/slang/slang-ir-layout.cpp
+++ b/source/slang/slang-ir-layout.cpp
@@ -331,6 +331,12 @@ case kIROp_##TYPE##Type:                                        \
     case kIROp_DefaultBufferLayoutType:
         *outSizeAndAlignment = IRSizeAndAlignment(0, 4);
         return SLANG_OK;
+    case kIROp_AttributedType:
+    {
+        auto attributedType = cast<IRAttributedType>(type);
+        SLANG_ASSERT(attributedType->getAttr()->getOp() == kIROp_NoDiffAttr); 
+        return getSizeAndAlignment(optionSet, rules, attributedType->getBaseType(), outSizeAndAlignment);
+    }
     default:
         break;
     }
-- 
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