From be0698559b20ae75b1dd91f515000bffe5b7f35a Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Thu, 12 Aug 2021 11:27:22 -0400
Subject: [PATCH] [InstCombine] remove shl(neg x), y transform

This diff was accidentally committed with:
1b5a195845e1
---
 llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
index ff94f39dc690..01f8e60db7e7 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
@@ -1007,9 +1007,6 @@ Instruction *InstCombinerImpl::visitShl(BinaryOperator &I) {
     return BinaryOperator::CreateAnd(Mask, X);
   }
 
-  if (match(Op0, m_OneUse(m_Neg(m_Value(X)))))
-    return BinaryOperator::CreateNeg(Builder.CreateShl(X, Op1));
-
   Constant *C1;
   if (match(Op1, m_Constant(C1))) {
     Constant *C2;