More direct-SPIRV fixes. (#3257)

* More direct-SPIRV fixes.

* Fix array-reg-to-mem.

---------

Co-authored-by: Yong He <yhe@nvidia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/source/slang/slang-lower-to-ir.cpp b/source/slang/slang-lower-to-ir.cpp
index 065263a59..f62d4b24a 100644
--- a/source/slang/slang-lower-to-ir.cpp
+++ b/source/slang/slang-lower-to-ir.cpp
@@ -9903,7 +9903,13 @@ static void lowerFrontEndEntryPointToIR(
         instToDecorate = findGenericReturnVal(irGeneric);
     }
 
+    // If the entry-point decorations has already been created (because the user
+    // specified duplicate entries in the entry point list), we can stop now.
+    if (instToDecorate->findDecoration<IREntryPointDecoration>())
+        return;
+
     {
+
         Name* entryPointName = entryPoint->getFuncDecl()->getName();
         builder->addEntryPointDecoration(instToDecorate, entryPoint->getProfile(), entryPointName->text.getUnownedSlice(), moduleName.getUnownedSlice());
     }