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
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
8 # This test covers the case when OtherInsnID and OtherOpIdx are different in a
9 # GIM_CheckIsSameOperand.
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.
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]]
31 %1(s32) = G_CONSTANT i32 0
32 %2(s32) = G_SUB %1, %0
33 %3(s32) = G_AND %2, %0
38 name: test_blsi32rr_nomatch
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.
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]]
59 %1(s32) = G_CONSTANT i32 0
60 %2(s32) = G_SUB %1, %1
61 %3(s32) = G_AND %2, %0