1 ; This bug has to do with the fact that constant propagation was implemented in 2 ; terms of _logical_ not (! in C) instead of _bitwise_ not (~ in C). This was 3 ; due to a spec change. 4 5 ; Fix #2: The unary not instruction now no longer exists. Change to xor. 6 7 ; RUN: opt < %s -constprop -S | \ 8 ; RUN: not grep {i32 0} 9 10 define i32 @test1() { 11 %R = xor i32 123, -1 ; <i32> [#uses=1] 12 ret i32 %R 13 } 14 15 define i32 @test2() { 16 %R = xor i32 -123, -1 ; <i32> [#uses=1] 17 ret i32 %R 18 } 19 20
