mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-07 12:29:30 +00:00
ec9a35a6f9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
544 B
LLVM
20 lines
544 B
LLVM
; 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
|
|
}
|
|
|