1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
3
4...
5---
6name:            or_combine_sext
7tracksRegLiveness: true
8legalized: true
9body:             |
10  bb.0:
11    liveins: $w0, $w1
12    ; or (sext X), (sext Y) --> sext (or X, Y)
13    ;
14    ; CHECK-LABEL: name: or_combine_sext
15    ; CHECK: liveins: $w0, $w1
16    ; CHECK: %x:_(s32) = COPY $w0
17    ; CHECK: %y:_(s32) = COPY $w1
18    ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR %x, %y
19    ; CHECK: %logic_op:_(s64) = G_SEXT [[OR]](s32)
20    ; CHECK: $x0 = COPY %logic_op(s64)
21    ; CHECK: RET_ReallyLR implicit $x0
22    %x:_(s32) = COPY $w0
23    %y:_(s32) = COPY $w1
24    %hand1:_(s64) = G_SEXT %x(s32)
25    %hand2:_(s64) = G_SEXT %y(s32)
26    %logic_op:_(s64) = G_OR %hand1, %hand2
27    $x0 = COPY %logic_op(s64)
28    RET_ReallyLR implicit $x0
29
30...
31---
32name:            illegal_ty
33tracksRegLiveness: true
34legalized: true
35body:             |
36  bb.0:
37    liveins: $w0, $w1
38    ; Post-legalization, we should not perform the optimization here, since
39    ; it would create an illegal G_OR.
40    ;
41    ; CHECK-LABEL: name: illegal_ty
42    ; CHECK: liveins: $w0, $w1
43    ; CHECK: %x_wide:_(s32) = COPY $w0
44    ; CHECK: %y_wide:_(s32) = COPY $w1
45    ; CHECK: %x:_(s1) = G_TRUNC %x_wide(s32)
46    ; CHECK: %y:_(s1) = G_TRUNC %y_wide(s32)
47    ; CHECK: %hand1:_(s64) = G_SEXT %x(s1)
48    ; CHECK: %hand2:_(s64) = G_SEXT %y(s1)
49    ; CHECK: %logic_op:_(s64) = G_OR %hand1, %hand2
50    ; CHECK: $x0 = COPY %logic_op(s64)
51    ; CHECK: RET_ReallyLR implicit $x0
52    %x_wide:_(s32) = COPY $w0
53    %y_wide:_(s32) = COPY $w1
54    %x:_(s1) = G_TRUNC %x_wide
55    %y:_(s1) = G_TRUNC %y_wide
56    %hand1:_(s64) = G_SEXT %x(s1)
57    %hand2:_(s64) = G_SEXT %y(s1)
58    %logic_op:_(s64) = G_OR %hand1, %hand2
59    $x0 = COPY %logic_op(s64)
60    RET_ReallyLR implicit $x0
61