From d10ca980c3d84e4838272f2082e8e35f3a7e50c0 Mon Sep 17 00:00:00 2001
From: jsmall-nvidia <jsmall@nvidia.com>
Date: Tue, 30 Nov 2021 17:09:52 -0500
Subject: Fix issue around constant folding/bool (#2036)

* #include an absolute path didn't work - because paths were taken to always be relative.

* Fix bool handling in constant folding for generic parameters.
---
 source/slang/slang-check-expr.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'source')

diff --git a/source/slang/slang-check-expr.cpp b/source/slang/slang-check-expr.cpp
index 6b1ab13cc..e8384e0ab 100644
--- a/source/slang/slang-check-expr.cpp
+++ b/source/slang/slang-check-expr.cpp
@@ -871,6 +871,13 @@ namespace Slang
             return getIntVal(intLitExpr);
         }
 
+        if (auto boolLitExpr = expr.as<BoolLiteralExpr>())
+        {
+            // If it's a boolean, we allow promotion to int.
+            const IntegerLiteralValue value = IntegerLiteralValue(boolLitExpr.getExpr()->value);
+            return m_astBuilder->create<ConstantIntVal>(value);
+        }
+
         // it is possible that we are referring to a generic value param
         if (auto declRefExpr = expr.as<DeclRefExpr>())
         {
-- 
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