1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=powerpc64le -simplify-mir -verify-machineinstrs \
3# RUN:   -run-pass=peephole-opt %s -o - | FileCheck %s
4# Test to show effect of `optimizeCompareInstr` when `equalityOnly` is true.
5---
6name:            h
7alignment:       16
8tracksRegLiveness: true
9registers:
10  - { id: 0, class: g8rc }
11  - { id: 1, class: g8rc }
12  - { id: 2, class: g8rc_and_g8rc_nox0 }
13  - { id: 3, class: crrc }
14  - { id: 4, class: g8rc_and_g8rc_nox0 }
15  - { id: 5, class: g8rc }
16liveins:
17  - { reg: '$x3', virtual-reg: '%0' }
18  - { reg: '$x4', virtual-reg: '%1' }
19frameInfo:
20  maxAlignment:    1
21machineFunctionInfo: {}
22body:             |
23  bb.0:
24    liveins: $x3, $x4
25
26    ; CHECK-LABEL: name: h
27    ; CHECK: liveins: $x3, $x4
28    ; CHECK: [[COPY:%[0-9]+]]:g8rc = COPY $x4
29    ; CHECK: [[COPY1:%[0-9]+]]:g8rc = COPY $x3
30    ; CHECK: [[SUBF8_rec:%[0-9]+]]:g8rc_and_g8rc_nox0 = SUBF8_rec [[COPY]], [[COPY1]], implicit-def $cr0
31    ; CHECK: [[COPY2:%[0-9]+]]:crrc = COPY killed $cr0
32    ; CHECK: [[ISEL8_:%[0-9]+]]:g8rc = ISEL8 $zero8, [[SUBF8_rec]], [[COPY2]].sub_eq
33    ; CHECK: $x3 = COPY [[ISEL8_]]
34    ; CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
35    %1:g8rc = COPY $x4
36    %0:g8rc = COPY $x3
37    %2:g8rc_and_g8rc_nox0 = SUBF8 %1, %0
38    %3:crrc = CMPLD %0, %1
39    %4:g8rc_and_g8rc_nox0 = LI8 0
40    %5:g8rc = ISEL8 %4, %2, %3.sub_eq
41    $x3 = COPY %5
42    BLR8 implicit $lr8, implicit $rm, implicit $x3
43
44...
45