xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/branch-05.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test indirect jumps.
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %x, i32 %y, i32 %op) {
6*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
7*9880d681SAndroid Build Coastguard Worker; CHECK: ahi %r4, -1
8*9880d681SAndroid Build Coastguard Worker; CHECK: clibh %r4, 5, 0(%r14)
9*9880d681SAndroid Build Coastguard Worker; CHECK: llgfr [[OP64:%r[0-5]]], %r4
10*9880d681SAndroid Build Coastguard Worker; CHECK: sllg [[INDEX:%r[1-5]]], [[OP64]], 3
11*9880d681SAndroid Build Coastguard Worker; CHECK: larl [[BASE:%r[1-5]]]
12*9880d681SAndroid Build Coastguard Worker; CHECK: lg [[TARGET:%r[1-5]]], 0([[BASE]],[[INDEX]])
13*9880d681SAndroid Build Coastguard Worker; CHECK: br [[TARGET]]
14*9880d681SAndroid Build Coastguard Workerentry:
15*9880d681SAndroid Build Coastguard Worker  switch i32 %op, label %exit [
16*9880d681SAndroid Build Coastguard Worker    i32 1, label %b.add
17*9880d681SAndroid Build Coastguard Worker    i32 2, label %b.sub
18*9880d681SAndroid Build Coastguard Worker    i32 3, label %b.and
19*9880d681SAndroid Build Coastguard Worker    i32 4, label %b.or
20*9880d681SAndroid Build Coastguard Worker    i32 5, label %b.xor
21*9880d681SAndroid Build Coastguard Worker    i32 6, label %b.mul
22*9880d681SAndroid Build Coastguard Worker  ]
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerb.add:
25*9880d681SAndroid Build Coastguard Worker  %add = add i32 %x, %y
26*9880d681SAndroid Build Coastguard Worker  br label %exit
27*9880d681SAndroid Build Coastguard Worker
28*9880d681SAndroid Build Coastguard Workerb.sub:
29*9880d681SAndroid Build Coastguard Worker  %sub = sub i32 %x, %y
30*9880d681SAndroid Build Coastguard Worker  br label %exit
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Workerb.and:
33*9880d681SAndroid Build Coastguard Worker  %and = and i32 %x, %y
34*9880d681SAndroid Build Coastguard Worker  br label %exit
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Workerb.or:
37*9880d681SAndroid Build Coastguard Worker  %or = or i32 %x, %y
38*9880d681SAndroid Build Coastguard Worker  br label %exit
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Workerb.xor:
41*9880d681SAndroid Build Coastguard Worker  %xor = xor i32 %x, %y
42*9880d681SAndroid Build Coastguard Worker  br label %exit
43*9880d681SAndroid Build Coastguard Worker
44*9880d681SAndroid Build Coastguard Workerb.mul:
45*9880d681SAndroid Build Coastguard Worker  %mul = mul i32 %x, %y
46*9880d681SAndroid Build Coastguard Worker  br label %exit
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerexit:
49*9880d681SAndroid Build Coastguard Worker  %res = phi i32 [ %x,   %entry ],
50*9880d681SAndroid Build Coastguard Worker                 [ %add, %b.add ],
51*9880d681SAndroid Build Coastguard Worker                 [ %sub, %b.sub ],
52*9880d681SAndroid Build Coastguard Worker                 [ %and, %b.and ],
53*9880d681SAndroid Build Coastguard Worker                 [ %or,  %b.or ],
54*9880d681SAndroid Build Coastguard Worker                 [ %xor, %b.xor ],
55*9880d681SAndroid Build Coastguard Worker                 [ %mul, %b.mul ]
56*9880d681SAndroid Build Coastguard Worker  ret i32 %res
57*9880d681SAndroid Build Coastguard Worker}
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