1 ; RUN: llc -mtriple=aarch64-linux-gnu -o - %s | FileCheck %s
3 define i32 @test_consts(i32 %in) {
4 ; CHECK-LABEL: test_consts:
10 %lo = and i32 %in, 65535
11 %hi = and i32 %in, -65536
12 %res = or i32 %lo, %hi
16 define i32 @test_generic(i32 %in, i32 %mask1, i32 %mask2) {
17 ; CHECK-LABEL: test_generic:
18 ; CHECK: orr [[FULL_MASK:w[0-9]+]], w1, w2
19 ; CHECK: and w0, w0, [[FULL_MASK]]
21 %lo = and i32 %in, %mask1
22 %hi = and i32 %in, %mask2
23 %res = or i32 %lo, %hi
27 ; In this case the transformation isn't profitable, since %lo and %hi
28 ; are used more than once.
29 define [3 x i32] @test_reuse(i32 %in, i32 %mask1, i32 %mask2) {
30 ; CHECK-LABEL: test_reuse:
31 ; CHECK-DAG: and w1, w0, w1
32 ; CHECK-DAG: and w2, w0, w2
33 ; CHECK-DAG: orr w0, w1, w2
35 %lo = and i32 %in, %mask1
36 %hi = and i32 %in, %mask2
37 %recombine = or i32 %lo, %hi
39 %res.tmp0 = insertvalue [3 x i32] undef, i32 %recombine, 0
40 %res.tmp1 = insertvalue [3 x i32] %res.tmp0, i32 %lo, 1
41 %res = insertvalue [3 x i32] %res.tmp1, i32 %hi, 2