1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=x86_64-linux-gnu -mattr=+bmi -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
3#
4# Test that rules where multiple operands must be the same operand successfully
5# match. Also test that the rules do not match when they're not the same
6# operand.
7#
8# This test covers the case when OtherInsnID and OtherOpIdx are different in a
9# GIM_CheckIsSameOperand.
10
11---
12name:            test_blsi32rr
13alignment:       4
14legalized:       true
15regBankSelected: true
16registers:
17  - { id: 0, class: gpr }
18  - { id: 1, class: gpr }
19  - { id: 2, class: gpr }
20  - { id: 3, class: gpr }
21# G_SUB and G_AND both use %0 so we should match this.
22body:             |
23  bb.1:
24    liveins: $edi
25
26    ; CHECK-LABEL: name: test_blsi32rr
27    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
28    ; CHECK: [[BLSI32rr:%[0-9]+]]:gr32 = BLSI32rr [[COPY]], implicit-def $eflags
29    ; CHECK: $edi = COPY [[BLSI32rr]]
30    %0(s32) = COPY $edi
31    %1(s32) = G_CONSTANT i32 0
32    %2(s32) = G_SUB %1, %0
33    %3(s32) = G_AND %2, %0
34    $edi = COPY %3
35
36...
37---
38name:            test_blsi32rr_nomatch
39alignment:       4
40legalized:       true
41regBankSelected: true
42registers:
43  - { id: 0, class: gpr }
44  - { id: 1, class: gpr }
45  - { id: 2, class: gpr }
46  - { id: 3, class: gpr }
47# G_SUB and G_AND use different operands so we shouldn't match this.
48body:             |
49  bb.1:
50    liveins: $edi
51
52    ; CHECK-LABEL: name: test_blsi32rr_nomatch
53    ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi
54    ; CHECK: [[MOV32r0_:%[0-9]+]]:gr32 = MOV32r0 implicit-def $eflags
55    ; CHECK: [[SUB32ri:%[0-9]+]]:gr32 = SUB32ri8 [[MOV32r0_]], 0, implicit-def $eflags
56    ; CHECK: [[AND32rr:%[0-9]+]]:gr32 = AND32rr [[SUB32ri]], [[COPY]], implicit-def $eflags
57    ; CHECK: $edi = COPY [[AND32rr]]
58    %0(s32) = COPY $edi
59    %1(s32) = G_CONSTANT i32 0
60    %2(s32) = G_SUB %1, %1
61    %3(s32) = G_AND %2, %0
62    $edi = COPY %3
63...
64