From 83f176ba8a3bae5533470aed6a90663653f894b8 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 29 May 2024 11:14:22 -0700
Subject: Add options to speedup compilation. (#4240)

* Add options to speedup compilation.

* Fix.

* Plumb options to DCE pass.

* Revert debug change.

* Fix regressions.

* More optimizations.

* more cleanup and fixes.

* remove comment.

* Fixes.

* Another fix.

* Fix errors.

* Fix errors.

* Add comments.
---
 source/core/slang-common.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'source/core')

diff --git a/source/core/slang-common.h b/source/core/slang-common.h
index 9e73b50a9..7d455546a 100644
--- a/source/core/slang-common.h
+++ b/source/core/slang-common.h
@@ -84,6 +84,26 @@ namespace Slang
     }
 }
 
+// SLANG_DEFER
+template<typename F>
+class SlangDeferImpl
+{
+    F f;
+public:
+    SlangDeferImpl(F&& f)
+        : f(Slang::_Move(f))
+    {}
+    ~SlangDeferImpl()
+    {
+        f();
+    }
+};
+
+#ifndef SLANG_DEFER_LAMBDA
+#define SLANG_DEFER_LAMBDA(x) auto SLANG_CONCAT(slang_defer_, __LINE__) = SlangDeferImpl(x)
+#define SLANG_DEFER(x) auto SLANG_CONCAT(slang_defer_,__LINE__) = SlangDeferImpl([&](){x;})
+#endif
+
 //
 // Some macros for avoiding boilerplate
 // TODO: could probably deduce the size with templates, and move the whole
-- 
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