From b173149f4f48b5331ebd3c3643f9449c7a29d72e Mon Sep 17 00:00:00 2001
From: Jay Kwak <82421531+jkwak-work@users.noreply.github.com>
Date: Tue, 14 Oct 2025 11:19:33 -0700
Subject: Handle SPIR-V aliases (#8704)

Fixes https://github.com/shader-slang/slang/issues/8703
---
 source/compiler-core/slang-spirv-core-grammar.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/source/compiler-core/slang-spirv-core-grammar.cpp b/source/compiler-core/slang-spirv-core-grammar.cpp
index 8b5e79071..5f8043e65 100644
--- a/source/compiler-core/slang-spirv-core-grammar.cpp
+++ b/source/compiler-core/slang-spirv-core-grammar.cpp
@@ -44,6 +44,7 @@ struct Instruction
     UnownedStringSlice class_;
     SpvWord opcode;
     List<UnownedStringSlice> capabilities;
+    List<UnownedStringSlice> aliases;
     List<Operand> operands;
 };
 SLANG_MAKE_STRUCT_RTTI_INFO(
@@ -52,6 +53,7 @@ SLANG_MAKE_STRUCT_RTTI_INFO(
     SLANG_RTTI_FIELD_IMPL(class_, "class", 0),
     SLANG_RTTI_FIELD(opcode),
     SLANG_OPTIONAL_RTTI_FIELD(capabilities),
+    SLANG_OPTIONAL_RTTI_FIELD(aliases),
     SLANG_OPTIONAL_RTTI_FIELD(operands));
 
 struct Enumerant
@@ -223,6 +225,11 @@ RefPtr<SPIRVCoreGrammarInfo> SPIRVCoreGrammarInfo::loadFromJSON(
     {
         res->opcodes.dict.add(i.opname, SpvOp(i.opcode));
 
+        for (auto alias : i.aliases)
+        {
+            res->opcodes.dict.add(alias, SpvOp(i.opcode));
+        }
+
         const auto class_ = i.class_ == "Type-Declaration"    ? OpInfo::TypeDeclaration
                             : i.class_ == "Constant-Creation" ? OpInfo::ConstantCreation
                             : i.class_ == "Debug"             ? OpInfo::Debug
-- 
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