1; RUN: llc -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
2; RUN: llc %s -pass-remarks-missed=gisel* -mtriple=aarch64-none-linux-gnu -global-isel -o - 2>&1 | FileCheck %s
3
4; CHECK-NOT: remark
5
6; Check that the eon instruction is generated instead of eor,movn
7define i64 @test1(i64 %a, i64 %b, i64 %c) {
8; CHECK-LABEL: test1:
9; CHECK: eon
10; CHECK: ret
11entry:
12  %shl = shl i64 %b, 4
13  %neg = xor i64 %a, -1
14  %xor = xor i64 %shl, %neg
15  ret i64 %xor
16}
17
18; Same check with mutliple uses of %neg
19define i64 @test2(i64 %a, i64 %b, i64 %c) {
20; CHECK-LABEL: test2:
21; CHECK: eon
22; CHECK: eon
23; CHECK: lsl
24; CHECK: ret
25entry:
26  %shl = shl i64 %b, 4
27  %neg = xor i64 %shl, -1
28  %xor = xor i64 %neg, %a
29  %xor1 = xor i64 %c, %neg
30  %shl2 = shl i64 %xor, %xor1
31  ret i64 %shl2
32}
33