From c8e6a6452f4e531dca09152178bae2f9a2fb999a Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 10 May 2023 09:11:36 -0700
Subject: Generate faster derivative for div by const operations. (#2877)

* Generate faster derivative for div by const operations.

* Increase `kMaxIterationsToAttempt` to 256.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ir-loop-unroll.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/source/slang/slang-ir-loop-unroll.cpp b/source/slang/slang-ir-loop-unroll.cpp
index f068eded4..a05700277 100644
--- a/source/slang/slang-ir-loop-unroll.cpp
+++ b/source/slang/slang-ir-loop-unroll.cpp
@@ -88,7 +88,7 @@ List<IRBlock*> collectBlocksInLoop(IRGlobalValueWithCode* func,  IRLoop* loopIns
 
 static int _getLoopMaxIterationsToUnroll(IRLoop* loopInst)
 {
-    static constexpr int kMaxIterationsToAttempt = 100;
+    static constexpr int kMaxIterationsToAttempt = 256;
 
     auto forceUnrollDecor = loopInst->findDecoration<IRForceUnrollDecoration>();
     if (!forceUnrollDecor)
-- 
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