llvm-6502/test/Transforms/InstCombine/or-to-xor.ll
Dan Gohman b1e1e82c54 Change these tests to feed the assembly files to opt directly, instead
of using llvm-as, now that opt supports this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08 16:50:01 +00:00

43 lines
911 B
LLVM

; RUN: opt %s -instcombine | llvm-dis | grep {xor i32 %a, %b} | count 4
; RUN: opt %s -instcombine | llvm-dis | not grep {and}
define i32 @func1(i32 %a, i32 %b) nounwind readnone {
entry:
%b_not = xor i32 %b, -1
%0 = and i32 %a, %b_not
%a_not = xor i32 %a, -1
%1 = and i32 %a_not, %b
%2 = or i32 %0, %1
ret i32 %2
}
define i32 @func2(i32 %a, i32 %b) nounwind readnone {
entry:
%b_not = xor i32 %b, -1
%0 = and i32 %b_not, %a
%a_not = xor i32 %a, -1
%1 = and i32 %a_not, %b
%2 = or i32 %0, %1
ret i32 %2
}
define i32 @func3(i32 %a, i32 %b) nounwind readnone {
entry:
%b_not = xor i32 %b, -1
%0 = and i32 %a, %b_not
%a_not = xor i32 %a, -1
%1 = and i32 %b, %a_not
%2 = or i32 %0, %1
ret i32 %2
}
define i32 @func4(i32 %a, i32 %b) nounwind readnone {
entry:
%b_not = xor i32 %b, -1
%0 = and i32 %b_not, %a
%a_not = xor i32 %a, -1
%1 = and i32 %b, %a_not
%2 = or i32 %0, %1
ret i32 %2
}