This patch removed duplicate code for matching patterns

which are now handled in SimplifyUsingDistributiveLaws() 
(after r211261)

Differential Revision: http://reviews.llvm.org/D4253



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211768 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 4 deletions

diff --git a/test/Transforms/InstSimplify/2010-12-20-Distribute.ll b/test/Transforms/InstCombine/distribute.ll
index 9ea0a5e107..e6360f8ba6 100644
--- a/test/Transforms/InstSimplify/2010-12-20-Distribute.ll
+++ b/test/Transforms/InstCombine/distribute.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -instsimplify -S | FileCheck %s
+; RUN: opt < %s -instcombine -S | FileCheck %s
 
 define i32 @factorize(i32 %x, i32 %y) {
 ; CHECK-LABEL: @factorize(
@@ -28,27 +28,32 @@ define i32 @factorize3(i32 %x, i32 %a, i32 %b) {
   %r = or i32 %x, %b
   %z = and i32 %l, %r
   ret i32 %z
-; CHECK: ret i32 %r
+; CHECK: %z = or i32 %b, %x
+; CHECK: ret i32 %z
 }
 
 define i32 @factorize4(i32 %x, i32 %y) {
 ; CHECK-LABEL: @factorize4(
+; ((Y << 1) * X) - (X * Y) -> (X * (Y * 2 - Y)) -> (X * Y)
   %sh = shl i32 %y, 1
   %ml = mul i32 %sh, %x
   %mr = mul i32 %x, %y
   %s = sub i32 %ml, %mr
   ret i32 %s
-; CHECK: ret i32 %mr
+; CHECK: %s = mul i32 %y, %x
+; CHECK: ret i32 %s
 }
 
 define i32 @factorize5(i32 %x, i32 %y) {
 ; CHECK-LABEL: @factorize5(
+; ((Y * 2) * X) - (X * Y) -> (X * Y)
   %sh = mul i32 %y, 2
   %ml = mul i32 %sh, %x
   %mr = mul i32 %x, %y
   %s = sub i32 %ml, %mr
   ret i32 %s
-; CHECK: ret i32 %mr
+; CHECK: %s = mul i32 %y, %x
+; CHECK: ret i32 %s
 }
 
 define i32 @expand(i32 %x) {
@@ -58,5 +63,6 @@ define i32 @expand(i32 %x) {
   %b = or i32 %a, 2
   %c = and i32 %b, 1
   ret i32 %c
+; CHECK: %a = and i32 %x, 1
 ; CHECK: ret i32 %a
 }