1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass si-fold-operands %s -o - | FileCheck %s 3 4# Check that the addc instructions are commuted to allow folding of the constant 5# 0 into multiple uses as an inline operand. 6--- 7name: test_commute 8tracksRegLiveness: true 9body: | 10 bb.0: 11 liveins: $vgpr0, $vgpr1, $vcc 12 ; CHECK-LABEL: name: test_commute 13 ; CHECK: liveins: $vgpr0, $vgpr1, $vcc 14 ; CHECK-NEXT: {{ $}} 15 ; CHECK-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 16 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 17 ; CHECK-NEXT: [[V_ADDC_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADDC_U32_e32 0, [[COPY]], implicit-def $vcc, implicit $vcc, implicit $exec 18 ; CHECK-NEXT: [[V_ADDC_U32_e32_1:%[0-9]+]]:vgpr_32 = V_ADDC_U32_e32 0, [[COPY1]], implicit-def $vcc, implicit $vcc, implicit $exec 19 ; CHECK-NEXT: S_NOP 0, implicit [[V_ADDC_U32_e32_]], implicit [[V_ADDC_U32_e32_1]] 20 %0:vgpr_32 = COPY $vgpr0 21 %1:vgpr_32 = COPY $vgpr1 22 %2:vgpr_32 = V_MOV_B32_e32 0, implicit $exec 23 %3:vgpr_32 = V_ADDC_U32_e32 %0, %2, implicit-def $vcc, implicit $vcc, implicit $exec 24 %4:vgpr_32 = V_ADDC_U32_e32 %1, %2, implicit-def $vcc, implicit $vcc, implicit $exec 25 S_NOP 0, implicit %3, implicit %4 26... 27