mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-01 00:11:00 +00:00
8a11da021b
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23427 91177308-0d34-0410-b5e6-96231b3b80d8
44 lines
1.4 KiB
LLVM
44 lines
1.4 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine -disable-output &&
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep '(and\|xor\|add\|shl\|shr)'
|
|
|
|
int %test1(int %x) {
|
|
%tmp.1 = and int %x, 65535 ; <int> [#uses=1]
|
|
%tmp.2 = xor int %tmp.1, -32768 ; <int> [#uses=1]
|
|
%tmp.3 = add int %tmp.2, 32768 ; <int> [#uses=1]
|
|
ret int %tmp.3
|
|
}
|
|
|
|
int %test2(int %x) {
|
|
%tmp.1 = and int %x, 65535 ; <int> [#uses=1]
|
|
%tmp.2 = xor int %tmp.1, 32768 ; <int> [#uses=1]
|
|
%tmp.3 = add int %tmp.2, -32768 ; <int> [#uses=1]
|
|
ret int %tmp.3
|
|
}
|
|
|
|
int %test3(ushort %P) {
|
|
%tmp.1 = cast ushort %P to int ; <int> [#uses=1]
|
|
%tmp.4 = xor int %tmp.1, 32768 ; <int> [#uses=1]
|
|
%tmp.5 = add int %tmp.4, -32768 ; <int> [#uses=1]
|
|
ret int %tmp.5
|
|
}
|
|
|
|
uint %test4(ushort %P) {
|
|
%tmp.1 = cast ushort %P to uint ; <uint> [#uses=1]
|
|
%tmp.4 = xor uint %tmp.1, 32768 ; <uint> [#uses=1]
|
|
%tmp.5 = add uint %tmp.4, 4294934528 ; <uint> [#uses=1]
|
|
ret uint %tmp.5
|
|
}
|
|
|
|
int %test5(int %x) {
|
|
%tmp.1 = and int %x, 254
|
|
%tmp.2 = xor int %tmp.1, 128
|
|
%tmp.3 = add int %tmp.2, -128
|
|
ret int %tmp.3
|
|
}
|
|
|
|
int %test6(int %x) {
|
|
%tmp.2 = shl int %x, ubyte 16 ; <int> [#uses=1]
|
|
%tmp.4 = shr int %tmp.2, ubyte 16 ; <int> [#uses=1]
|
|
ret int %tmp.4
|
|
}
|