blob: aa0bdc9fd41e653d7cee955e78207680284dfabe [file] [log] [blame]
; This bug has to do with the fact that constant propagation 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: opt < %s -instsimplify -S | \
; 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
}