From ac886fd3e329a9599ed1ac7a6d8b26ca5821046c Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 4 Oct 2023 11:20:35 -0700
Subject: SPIRV compiler performance fixes. (#3258)

* SPIRV compiler performance fixes.

* Cleanup.

* update project files

* Cleanup debug code.

* Make redundancy removal non-recursive.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 source/slang/slang-ir-util.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

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

diff --git a/source/slang/slang-ir-util.cpp b/source/slang/slang-ir-util.cpp
index 5ecbc8121..073b8bf96 100644
--- a/source/slang/slang-ir-util.cpp
+++ b/source/slang/slang-ir-util.cpp
@@ -1166,6 +1166,23 @@ UnownedStringSlice getBuiltinFuncName(IRInst* callee)
     return decor->getName();
 }
 
+void hoistInstOutOfASMBlocks(IRBlock* block)
+{
+    for (auto inst : block->getChildren())
+    {
+        if (auto asmBlock = as<IRSPIRVAsm>(inst))
+        {
+            IRInst* next = nullptr;
+            for (auto i = asmBlock->getFirstChild(); i; i = next)
+            {
+                next = i->getNextInst();
+                if (!as<IRSPIRVAsmInst>(i) && !as<IRSPIRVAsmOperand>(i))
+                    i->insertBefore(asmBlock);
+            }
+        }
+    }
+}
+
 UnownedStringSlice getBasicTypeNameHint(IRType* basicType)
 {
     switch (basicType->getOp())
-- 
cgit v1.2.3