From a7e10e66030099447919c3f61dbd3a3a41ba66f3 Mon Sep 17 00:00:00 2001
From: Alexey Bataev <a.bataev@outlook.com>
Date: Mon, 18 Dec 2023 12:11:55 -0800
Subject: Revert "[SLP][NFC]Check for equal opcode preliminary to meet weak
 strict order"

This reverts commit 58a2c4e2f24ffce3966c3988d1a4ca7b04c52244 to fix the
issue detected by https://lab.llvm.org/buildbot/#/builders/233/builds/5424.
---
 llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 8c3ed08..9d79912 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -15777,8 +15777,6 @@ static bool compareCmp(Value *V, Value *V2, TargetLibraryInfo &TLI,
           if (NodeI1 != NodeI2)
             return NodeI1->getDFSNumIn() < NodeI2->getDFSNumIn();
         }
-        if (I1->getOpcode() == I2->getOpcode())
-          continue;
         InstructionsState S = getSameOpcode({I1, I2}, TLI);
         if (S.getOpcode() && (IsCompatibility || !S.isAltShuffle()))
           continue;
-- 
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