From 23fd647cc6b8d25076188492e6424eee60c31326 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Tue, 9 Mar 2021 16:56:43 -0500
Subject: [PATCH] [SLP] remove dead null check; NFC

We cast<> to Instruction (not dyn_cast<>), so we already
required/assumed that Cmp is not null.
---
 llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 065ddca..10ee163 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -6682,7 +6682,7 @@ class HorizontalReduction {
                             bool IsRedOp) {
     if (IsRedOp && isCmpSel(Kind)) {
       auto *Cmp = cast<Instruction>(cast<SelectInst>(I)->getCondition());
-      return I->getParent() == BB && Cmp && Cmp->getParent() == BB;
+      return I->getParent() == BB && Cmp->getParent() == BB;
     }
     return I->getParent() == BB;
   }
-- 
2.7.4