[llvm-commits] CVS: llvm/test/Transforms/InstCombine/and-xor-merge.ll

[Chris Lattner]

Changes in directory llvm/test/Transforms/InstCombine:

and-xor-merge.ll added (r1.1)
---
Log message:

new testcase


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Diffs of the changes:  (+19 -0)

 and-xor-merge.ll |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+)


Index: llvm/test/Transforms/InstCombine/and-xor-merge.ll
diff -c /dev/null llvm/test/Transforms/InstCombine/and-xor-merge.ll:1.1
*** /dev/null	Sun Mar 18 17:51:07 2007
--- llvm/test/Transforms/InstCombine/and-xor-merge.ll	Sun Mar 18 17:50:57 2007
***************
*** 0 ****
--- 1,19 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep and | wc -l | grep 1 &&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
+ 
+ ; (x&z) ^ (y&z) -> (x^y)&z
+ define i32 @test1(i32 %x, i32 %y, i32 %z) {
+         %tmp3 = and i32 %z, %x
+         %tmp6 = and i32 %z, %y
+         %tmp7 = xor i32 %tmp3, %tmp6
+         ret i32 %tmp7
+ }
+ 
+ ; (x & y) ^ (x|y) -> x^y
+ define i32 @test2(i32 %x, i32 %y, i32 %z) {
+         %tmp3 = and i32 %y, %x
+         %tmp6 = or i32 %y, %x
+         %tmp7 = xor i32 %tmp3, %tmp6
+         ret i32 %tmp7
+ }
+