[llvm-commits] CVS: llvm/test/Transforms/InstCombine/and-or-not.ll

[Chris Lattner]

Changes in directory llvm/test/Transforms/InstCombine:

and-or-not.ll added (r1.1)
---
Log message:

testcase for PR1510: http://llvm.org/PR1510 


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Diffs of the changes:  (+27 -0)

 and-or-not.ll |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+)


Index: llvm/test/Transforms/InstCombine/and-or-not.ll
diff -c /dev/null llvm/test/Transforms/InstCombine/and-or-not.ll:1.1
*** /dev/null	Fri Jun 15 00:57:30 2007
--- llvm/test/Transforms/InstCombine/and-or-not.ll	Fri Jun 15 00:57:20 2007
***************
*** 0 ****
--- 1,27 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep xor | wc -l | grep 2
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep and
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep { or}
+ 
+ ; PR1510
+ 
+ ; These are all equivelent to A^B
+ 
+ define i32 @test1(i32 %a, i32 %b) {
+ entry:
+         %tmp3 = or i32 %b, %a           ; <i32> [#uses=1]
+         %tmp3not = xor i32 %tmp3, -1            ; <i32> [#uses=1]
+         %tmp6 = and i32 %b, %a          ; <i32> [#uses=1]
+         %tmp7 = or i32 %tmp6, %tmp3not          ; <i32> [#uses=1]
+         %tmp7not = xor i32 %tmp7, -1            ; <i32> [#uses=1]
+         ret i32 %tmp7not
+ }
+ 
+ define i32 @test2(i32 %a, i32 %b) {
+ entry:
+         %tmp3 = or i32 %b, %a           ; <i32> [#uses=1]
+         %tmp6 = and i32 %b, %a          ; <i32> [#uses=1]
+         %tmp6not = xor i32 %tmp6, -1            ; <i32> [#uses=1]
+         %tmp7 = and i32 %tmp3, %tmp6not         ; <i32> [#uses=1]
+         ret i32 %tmp7
+ }
+