From 62ea823e64307e8fa1488439ac15249befbd213f Mon Sep 17 00:00:00 2001
From: Viktoria Maximova <viktoria.maksimova@intel.com>
Date: Fri, 9 Aug 2024 12:03:58 +0200
Subject: [PATCH] [SPIR-V 1.4] Removed OpAtomicCompareExchangeWeak (#2665)

Verified locally by changing the version from `65536` to `66560` in `test/transcoding/atomics.spt`.
---
 lib/SPIRV/libSPIRV/SPIRVInstruction.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/SPIRV/libSPIRV/SPIRVInstruction.h b/lib/SPIRV/libSPIRV/SPIRVInstruction.h
index d75c0baef2..6e8afac215 100644
--- a/lib/SPIRV/libSPIRV/SPIRVInstruction.h
+++ b/lib/SPIRV/libSPIRV/SPIRVInstruction.h
@@ -2824,6 +2824,12 @@ class SPIRVAtomicInstBase : public SPIRVInstTemplateBase {
     for (auto RC : getRequiredCapability())
       Module->addCapability(RC);
   }
+
+  void validate() const override {
+    if (OpCode == OpAtomicCompareExchangeWeak)
+      assert(this->getModule()->getSPIRVVersion() < VersionNumber::SPIRV_1_4 &&
+             "OpAtomicCompareExchangeWeak is removed starting from SPIR-V 1.4");
+  }
 };
 
 class SPIRVAtomicStoreInst : public SPIRVAtomicInstBase {