# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=x86_64-linux-gnu -mattr=+bmi -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s # # Test that rules where multiple operands must be the same operand successfully # match. Also test that the rules do not match when they're not the same # operand. --- name: test_blsr32rr alignment: 16 legalized: true regBankSelected: true registers: - { id: 0, class: gpr } - { id: 1, class: gpr } - { id: 2, class: gpr } - { id: 3, class: gpr } # G_ADD and G_AND both use %0 so we should match this. body: | bb.1: liveins: $edi ; CHECK-LABEL: name: test_blsr32rr ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi ; CHECK: [[BLSR32rr:%[0-9]+]]:gr32 = BLSR32rr [[COPY]], implicit-def $eflags ; CHECK: $edi = COPY [[BLSR32rr]] %0(s32) = COPY $edi %1(s32) = G_CONSTANT i32 -1 %2(s32) = G_ADD %0, %1 %3(s32) = G_AND %2, %0 $edi = COPY %3 ... --- name: test_blsr32rr_nomatch alignment: 16 legalized: true regBankSelected: true registers: - { id: 0, class: gpr } - { id: 1, class: gpr } - { id: 2, class: gpr } - { id: 3, class: gpr } # G_ADD and G_AND use different operands so we shouldn't match this. body: | bb.1: liveins: $edi ; CHECK-LABEL: name: test_blsr32rr_nomatch ; CHECK: [[COPY:%[0-9]+]]:gr32 = COPY $edi ; CHECK: [[MOV32ri:%[0-9]+]]:gr32 = MOV32ri -1 ; CHECK: [[DEC32r:%[0-9]+]]:gr32 = DEC32r [[MOV32ri]], implicit-def $eflags ; CHECK: [[AND32rr:%[0-9]+]]:gr32 = AND32rr [[DEC32r]], [[COPY]], implicit-def $eflags ; CHECK: $edi = COPY [[AND32rr]] %0(s32) = COPY $edi %1(s32) = G_CONSTANT i32 -1 %2(s32) = G_ADD %1, %1 %3(s32) = G_AND %2, %0 $edi = COPY %3 ...