From 6f57e47a9e1675b011f023277b47cfc768d30da8 Mon Sep 17 00:00:00 2001
From: kaizhangNV <149626564+kaizhangNV@users.noreply.github.com>
Date: Tue, 17 Dec 2024 19:06:30 -0600
Subject: Implement bitcast for 64-bit date type (#5895)

Close #5470

* implement bitcast for 64-bit date type
* Move 'ensurePrelude' to base class to remove duplication
* Assert on 'double' type for Metal target, as Metal doesn't have 'double' support
---
 source/slang/slang-emit-c-like.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'source/slang/slang-emit-c-like.cpp')

diff --git a/source/slang/slang-emit-c-like.cpp b/source/slang/slang-emit-c-like.cpp
index f38adc67e..b70069d42 100644
--- a/source/slang/slang-emit-c-like.cpp
+++ b/source/slang/slang-emit-c-like.cpp
@@ -5137,4 +5137,15 @@ void CLikeSourceEmitter::emitModuleImpl(IRModule* module, DiagnosticSink* sink)
     executeEmitActions(actions);
 }
 
+void CLikeSourceEmitter::ensurePrelude(const char* preludeText)
+{
+    IRStringLit* stringLit;
+    if (!m_builtinPreludes.tryGetValue(preludeText, stringLit))
+    {
+        IRBuilder builder(m_irModule);
+        stringLit = builder.getStringValue(UnownedStringSlice(preludeText));
+        m_builtinPreludes[preludeText] = stringLit;
+    }
+    m_requiredPreludes.add(stringLit);
+}
 } // namespace Slang
-- 
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