xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/jump-table-islands.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=armv7-apple-ios8.0 -o - %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker%BigInt = type i5500
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine %BigInt @test_moved_jumptable(i1 %tst, i32 %sw, %BigInt %l) {
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_moved_jumptable:
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; CHECK:   adr {{r[0-9]+}}, [[JUMP_TABLE:LJTI[0-9]+_[0-9]+]]
9*9880d681SAndroid Build Coastguard Worker; CHECK:   b [[SKIP_TABLE:LBB[0-9]+_[0-9]+]]
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; CHECK: [[JUMP_TABLE]]:
12*9880d681SAndroid Build Coastguard Worker; CHECK:   .data_region jt32
13*9880d681SAndroid Build Coastguard Worker; CHECK:   .long LBB{{[0-9]+_[0-9]+}}-[[JUMP_TABLE]]
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker; CHECK: [[SKIP_TABLE]]:
16*9880d681SAndroid Build Coastguard Worker; CHECK:   add pc, {{r[0-9]+}}, {{r[0-9]+}}
17*9880d681SAndroid Build Coastguard Worker  br i1 %tst, label %simple, label %complex
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workersimple:
20*9880d681SAndroid Build Coastguard Worker  br label %end
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workercomplex:
23*9880d681SAndroid Build Coastguard Worker  switch i32 %sw, label %simple [ i32 0, label %other
24*9880d681SAndroid Build Coastguard Worker                                  i32 1, label %third
25*9880d681SAndroid Build Coastguard Worker                                  i32 5, label %end
26*9880d681SAndroid Build Coastguard Worker                                  i32 6, label %other ]
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerthird:
29*9880d681SAndroid Build Coastguard Worker  ret %BigInt 0
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerother:
32*9880d681SAndroid Build Coastguard Worker  call void @bar()
33*9880d681SAndroid Build Coastguard Worker  unreachable
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Workerend:
36*9880d681SAndroid Build Coastguard Worker  %val = phi %BigInt [ %l, %complex ], [ -1, %simple ]
37*9880d681SAndroid Build Coastguard Worker  ret %BigInt %val
38*9880d681SAndroid Build Coastguard Worker}
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerdeclare void @bar()
41