From f1eda235142ed071e219bd231310e44cda08f932 Mon Sep 17 00:00:00 2001
From: David Majnemer <david.majnemer@gmail.com>
Date: Thu, 14 Aug 2014 06:41:38 +0000
Subject: Added InstCombine Transform for ((B | C) & A) | B -> B | (A & C)

Transform ((B | C) & A) | B --> B | (A & C)

Z3 Link: http://rise4fun.com/Z3/hP6p

Patch by Sonam Kumari!

Differential Revision: http://reviews.llvm.org/D4865

llvm-svn: 215619
---
 llvm/test/Transforms/InstCombine/or.ll | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'llvm/test/Transforms')

diff --git a/llvm/test/Transforms/InstCombine/or.ll b/llvm/test/Transforms/InstCombine/or.ll
index 2fcdfa5f8ce..5d6ca9603f7 100644
--- a/llvm/test/Transforms/InstCombine/or.ll
+++ b/llvm/test/Transforms/InstCombine/or.ll
@@ -469,3 +469,14 @@ define i32 @test44(i32 %a, i32 %b) {
  %or = or i32 %xor, %and
  ret i32 %or
 }
+
+define i32 @test45(i32 %x, i32 %y, i32 %z) {
+; CHECK-LABEL: test45(
+; CHECK-NEXT: %1 = and i32 %x, %z
+; CHECK-NEXT: %or1 = or i32 %1, %y
+; CHECK-NEXT: ret i32 %or1
+  %or = or i32 %y, %z
+  %and = and i32 %x, %or
+  %or1 = or i32 %and, %y
+  ret i32 %or1
+}
-- 
cgit v1.2.3