1# RUN: llc -mtriple=amdgcn--amdpal -run-pass=simple-register-coalescing -o - %s | FileCheck %s
2
3# Check that this doesn't crash. Check for some legitimate output.
4# CHECK: S_CBRANCH_SCC1
5
6---
7name: fred
8tracksRegLiveness: true
9body: |
10  bb.0:
11    successors: %bb.1, %bb.2
12    liveins: $sgpr4
13    undef %0.sub2:sgpr_128 = COPY $sgpr4
14    %3 = IMPLICIT_DEF
15    S_CBRANCH_SCC1 %bb.2, implicit undef $scc
16
17  bb.1:
18    successors: %bb.2
19    %0.sub0:sgpr_128 = COPY %0.sub2
20    %0.sub1:sgpr_128 = COPY %0.sub2
21    %1:sgpr_128 = COPY %0
22    %2:sgpr_128 = COPY %0
23    %0:sgpr_128 = COPY %2
24    %3:sgpr_128 = COPY %1
25
26  bb.2:
27    $sgpr1 = COPY %3
28    $sgpr2 = COPY %0.sub2
29...
30