mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-05 13:30:38 +00:00
76806b6a43
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48103 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.5 KiB
LLVM
46 lines
1.5 KiB
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
|
|
; RUN: not grep {(and\|xor\|add\|shl\|shr)}
|
|
; END.
|
|
|
|
define i32 @test1(i32 %x) {
|
|
%tmp.1 = and i32 %x, 65535 ; <i32> [#uses=1]
|
|
%tmp.2 = xor i32 %tmp.1, -32768 ; <i32> [#uses=1]
|
|
%tmp.3 = add i32 %tmp.2, 32768 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|
|
define i32 @test2(i32 %x) {
|
|
%tmp.1 = and i32 %x, 65535 ; <i32> [#uses=1]
|
|
%tmp.2 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
|
|
%tmp.3 = add i32 %tmp.2, -32768 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|
|
define i32 @test3(i16 %P) {
|
|
%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
|
|
%tmp.4 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
|
|
%tmp.5 = add i32 %tmp.4, -32768 ; <i32> [#uses=1]
|
|
ret i32 %tmp.5
|
|
}
|
|
|
|
define i32 @test4(i16 %P) {
|
|
%tmp.1 = zext i16 %P to i32 ; <i32> [#uses=1]
|
|
%tmp.4 = xor i32 %tmp.1, 32768 ; <i32> [#uses=1]
|
|
%tmp.5 = add i32 %tmp.4, -32768 ; <i32> [#uses=1]
|
|
ret i32 %tmp.5
|
|
}
|
|
|
|
define i32 @test5(i32 %x) {
|
|
%tmp.1 = and i32 %x, 254 ; <i32> [#uses=1]
|
|
%tmp.2 = xor i32 %tmp.1, 128 ; <i32> [#uses=1]
|
|
%tmp.3 = add i32 %tmp.2, -128 ; <i32> [#uses=1]
|
|
ret i32 %tmp.3
|
|
}
|
|
|
|
define i32 @test6(i32 %x) {
|
|
%tmp.2 = shl i32 %x, 16 ; <i32> [#uses=1]
|
|
%tmp.4 = ashr i32 %tmp.2, 16 ; <i32> [#uses=1]
|
|
ret i32 %tmp.4
|
|
}
|
|
|