1 # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2 # RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=liveintervals,twoaddressinstruction,register-coalescer -verify-machineinstrs -o - %s | FileCheck %s
4 # Check that LiveIntervals are correctly updated when eliminating REG_SEQUENCE.
7 tracksRegLiveness: true
10 liveins: $vgpr0, $vgpr1
12 ; CHECK-LABEL: name: f
13 ; CHECK: liveins: $vgpr0, $vgpr1
15 ; CHECK-NEXT: undef %2.sub0:vreg_64 = COPY $vgpr0
16 ; CHECK-NEXT: %2.sub1:vreg_64 = COPY $vgpr1
17 ; CHECK-NEXT: $vgpr2_vgpr3 = COPY %2
18 ; CHECK-NEXT: S_NOP 0, implicit $vgpr2_vgpr3
19 %0:vgpr_32 = COPY $vgpr0
20 %1:vgpr_32 = COPY $vgpr1
21 %35:vreg_64 = REG_SEQUENCE %0, %subreg.sub0, %1, %subreg.sub1
22 $vgpr2_vgpr3 = COPY %35
23 S_NOP 0, implicit $vgpr2_vgpr3