llvm-6502/test/Transforms/ConstProp/2002-05-03-NotOperator.ll

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; This bug has to do with the fact that constant propogation was implemented in
; terms of _logical_ not (! in C) instead of _bitwise_ not (~ in C). This was
; due to a spec change.
; Fix #2: The unary not instruction now no longer exists. Change to xor.
; RUN: llvm-as < $test | opt -constprop | llvm-dis | \
; RUN: not grep {i32 0}
define i32 @test1() {
%R = xor i32 123, -1 ; <i32> [#uses=1]
ret i32 %R
}
define i32 @test2() {
%R = xor i32 -123, -1 ; <i32> [#uses=1]
ret i32 %R
}