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new testcase

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llvm-svn: 35144
This commit is contained in:
Chris Lattner 2007-03-18 22:50:57 +00:00
parent a1df6908d2
commit 6d1afd847e
1 changed files with 19 additions and 0 deletions
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test/Transforms/InstCombine/and-xor-merge.ll Normal file
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; 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
}