From c9fe6374b7681c392a135bfe2d9819a9237bf879 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Mon, 12 Jul 2010 16:38:48 +0000
Subject: [PATCH] Nope, still breaks the release selfhost bots :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108153 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/InstCombine/InstCombineAndOrXor.cpp |  8 --------
 test/Transforms/InstCombine/or.ll                  | 13 -------------
 2 files changed, 21 deletions(-)

diff --git a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
index 4542dda6372..3f4a857c41a 100644
--- a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
+++ b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
@@ -1597,14 +1597,6 @@ Instruction *InstCombiner::visitOr(BinaryOperator &I) {
       Instruction *Ret = FoldOrWithConstants(I, Op0, A, V1, D);
       if (Ret) return Ret;
     }
-
-    // (A & ~D) | (B & D) -> ((B ^ A) & D) ^ A
-    if (Op0->hasOneUse() && Op1->hasOneUse() &&
-        match(C, m_Not(m_Specific(D)))) {
-      Value *Xor = Builder->CreateXor(B, A, "xor");
-      Value *And = Builder->CreateAnd(Xor, D, "and");
-      return BinaryOperator::CreateXor(And, A);
-    }
   }
   
   // (X >> Z) | (Y >> Z)  -> (X|Y) >> Z  for all shifts.
diff --git a/test/Transforms/InstCombine/or.ll b/test/Transforms/InstCombine/or.ll
index 0246925bd82..c3526b77f6a 100644
--- a/test/Transforms/InstCombine/or.ll
+++ b/test/Transforms/InstCombine/or.ll
@@ -350,16 +350,3 @@ define <4 x i32> @test32(<4 x i1> %and.i1352, <4 x i32> %vecinit6.i176, <4 x i32
 ; CHECK: or <4 x i32> %and.i, %and.i129
 }
 
-; PR6773
-define i32 @test33(i32 %x, i32 %y, i32 %z) nounwind readnone {
-  %and = and i32 %y, %x
-  %not = xor i32 %x, -1
-  %and2 = and i32 %z, %not
-  %or = or i32 %and2, %and
-  ret i32 %or
-; CHECK: @test33
-; CHECK-NEXT: xor i32
-; CHECK-NEXT: and i32
-; CHECK-NEXT: xor i32
-; CHECK-NEXT: ret i32
-}