From a1827ee5e9b8088b23db3fa688b7bd62b7bbe9ac Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Fri, 23 Feb 2024 19:05:23 -0800
Subject: SPIRV Fixes. (#3622)

* Use SpvSourceLanguageSlang enum.

* Fix spirv entrypoint interface.

* Cleanup.

* Add error on unknown spirv opcode.

* Fix CI.

* Fix.
---
 source/slang/slang-parser.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'source/slang/slang-parser.cpp')

diff --git a/source/slang/slang-parser.cpp b/source/slang/slang-parser.cpp
index f2aff32ea..7ce710469 100644
--- a/source/slang/slang-parser.cpp
+++ b/source/slang/slang-parser.cpp
@@ -7221,6 +7221,23 @@ namespace Slang
                 break;
             }
         }
+
+        if (ret.opcode.flavor == SPIRVAsmOperand::Flavor::NamedValue
+            && ret.opcode.knownValue == SpvOp(0xffffffff))
+        {
+            if (ret.opcode.token.type == TokenType::IntegerLiteral)
+            {
+                Int intVal = -1;
+                StringUtil::parseInt(ret.opcode.token.getContent(), intVal);
+                ret.opcode.knownValue = (SpvWord)intVal;
+            }
+            else
+            {
+                parser->diagnose(ret.opcode.token, Diagnostics::unrecognizedSPIRVOpcode, ret.opcode.token);
+                return std::nullopt;
+            }
+        }
+
         return ret;
     }
 
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