llvm-6502/test/Transforms/InstCombine/and-not-or.ll
Chris Lattner d8aafcb200 simplify these patterns using m_Specific. No need to grep for
xor in testcase (or is a substring).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60328 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-01 05:16:26 +00:00

35 lines
666 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {and i32 %x, %y} | count 4
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {or}
define i32 @func1(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %n, %x
%a = and i32 %o, %y
ret i32 %a
}
define i32 @func2(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %x, %n
%a = and i32 %o, %y
ret i32 %a
}
define i32 @func3(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %n, %x
%a = and i32 %y, %o
ret i32 %a
}
define i32 @func4(i32 %x, i32 %y) nounwind {
entry:
%n = xor i32 %y, -1
%o = or i32 %x, %n
%a = and i32 %y, %o
ret i32 %a
}