mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-02 00:42:52 +01:00
40 lines
1.2 KiB
LLVM
40 lines
1.2 KiB
LLVM
; Test that elimination of logical operators works with
|
|
; arbitrary precision integers.
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
|
|
; RUN: not grep {(and\|xor\|add\|shl\|shr)}
|
|
; END.
|
|
|
|
define i33 @test1(i33 %x) {
|
|
%tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
|
|
%tmp.2 = xor i33 %tmp.1, -32768 ; <i33> [#uses=1]
|
|
%tmp.3 = add i33 %tmp.2, 32768 ; <i33> [#uses=1]
|
|
ret i33 %tmp.3
|
|
}
|
|
|
|
define i33 @test2(i33 %x) {
|
|
%tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
|
|
%tmp.2 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
|
|
%tmp.3 = add i33 %tmp.2, -32768 ; <i33> [#uses=1]
|
|
ret i33 %tmp.3
|
|
}
|
|
|
|
define i33 @test3(i16 %P) {
|
|
%tmp.1 = zext i16 %P to i33 ; <i33> [#uses=1]
|
|
%tmp.4 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
|
|
%tmp.5 = add i33 %tmp.4, -32768 ; <i33> [#uses=1]
|
|
ret i33 %tmp.5
|
|
}
|
|
|
|
define i33 @test5(i33 %x) {
|
|
%tmp.1 = and i33 %x, 254
|
|
%tmp.2 = xor i33 %tmp.1, 128
|
|
%tmp.3 = add i33 %tmp.2, -128
|
|
ret i33 %tmp.3
|
|
}
|
|
|
|
define i33 @test6(i33 %x) {
|
|
%tmp.2 = shl i33 %x, 16 ; <i33> [#uses=1]
|
|
%tmp.4 = lshr i33 %tmp.2, 16 ; <i33> [#uses=1]
|
|
ret i33 %tmp.4
|
|
}
|