1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s
3;
4; Make sure that we don't duplicate successors/predecessors when translating
5; indirectbr instructions with duplicate block labels.
6
7define void @foo() {
8  ; CHECK-LABEL: name: foo
9  ; CHECK: bb.1 (%ir-block.0):
10  ; CHECK:   successors: %bb.2(0x2aaaaaaa), %bb.4(0x2aaaaaaa), %bb.3(0x2aaaaaaa)
11  ; CHECK:   [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
12  ; CHECK:   G_BRINDIRECT [[DEF]](p0)
13  ; CHECK: bb.2 (%ir-block.1):
14  ; CHECK:   successors:
15  ; CHECK: bb.3 (%ir-block.2):
16  ; CHECK:   successors:
17  ; CHECK: bb.4 (%ir-block.3):
18  ; CHECK:   RET_ReallyLR
19  indirectbr i8* undef, [label %1, label %3, label %2, label %3, label %3]
201:
21  unreachable
222:
23  unreachable
243:
25  ret void
26}
27