xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/args-09.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test the handling of i128 argument values
2*9880d681SAndroid Build Coastguard Worker;
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-INT
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-I128-1
5*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-I128-2
6*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-STACK
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdeclare void @bar(i64, i64, i64, i64, i128,
9*9880d681SAndroid Build Coastguard Worker                  i64, i64, i64, i64, i128)
10*9880d681SAndroid Build Coastguard Worker
11*9880d681SAndroid Build Coastguard Worker; There are two indirect i128 slots, one at offset 200 (the first available
12*9880d681SAndroid Build Coastguard Worker; byte after the outgoing arguments) and one immediately after it at 216.
13*9880d681SAndroid Build Coastguard Worker; These slots should be set up outside the glued call sequence, so would
14*9880d681SAndroid Build Coastguard Worker; normally use %f0/%f2 as the first available 128-bit pair.  This choice
15*9880d681SAndroid Build Coastguard Worker; is hard-coded in the I128 tests.
16*9880d681SAndroid Build Coastguard Worker;
17*9880d681SAndroid Build Coastguard Worker; The order of the CHECK-STACK stores doesn't matter.  It would be OK to reorder
18*9880d681SAndroid Build Coastguard Worker; them in response to future code changes.
19*9880d681SAndroid Build Coastguard Workerdefine void @foo() {
20*9880d681SAndroid Build Coastguard Worker; CHECK-INT-LABEL: foo:
21*9880d681SAndroid Build Coastguard Worker; CHECK-INT-DAG: lghi %r2, 1
22*9880d681SAndroid Build Coastguard Worker; CHECK-INT-DAG: lghi %r3, 2
23*9880d681SAndroid Build Coastguard Worker; CHECK-INT-DAG: lghi %r4, 3
24*9880d681SAndroid Build Coastguard Worker; CHECK-INT-DAG: lghi %r5, 4
25*9880d681SAndroid Build Coastguard Worker; CHECK-INT-DAG: la %r6, {{200|216}}(%r15)
26*9880d681SAndroid Build Coastguard Worker; CHECK-INT: brasl %r14, bar@PLT
27*9880d681SAndroid Build Coastguard Worker;
28*9880d681SAndroid Build Coastguard Worker; CHECK-I128-1-LABEL: foo:
29*9880d681SAndroid Build Coastguard Worker; CHECK-I128-1: aghi %r15, -232
30*9880d681SAndroid Build Coastguard Worker; CHECK-I128-1-DAG: mvghi 200(%r15), 0
31*9880d681SAndroid Build Coastguard Worker; CHECK-I128-1-DAG: mvghi 208(%r15), 0
32*9880d681SAndroid Build Coastguard Worker; CHECK-I128-1: brasl %r14, bar@PLT
33*9880d681SAndroid Build Coastguard Worker;
34*9880d681SAndroid Build Coastguard Worker; CHECK-I128-2-LABEL: foo:
35*9880d681SAndroid Build Coastguard Worker; CHECK-I128-2: aghi %r15, -232
36*9880d681SAndroid Build Coastguard Worker; CHECK-I128-2-DAG: mvghi 216(%r15), 0
37*9880d681SAndroid Build Coastguard Worker; CHECK-I128-2-DAG: mvghi 224(%r15), 0
38*9880d681SAndroid Build Coastguard Worker; CHECK-I128-2: brasl %r14, bar@PLT
39*9880d681SAndroid Build Coastguard Worker;
40*9880d681SAndroid Build Coastguard Worker; CHECK-STACK-LABEL: foo:
41*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: aghi %r15, -232
42*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: la [[REGISTER:%r[0-5]+]], {{200|216}}(%r15)
43*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: stg [[REGISTER]], 192(%r15)
44*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: mvghi 184(%r15), 8
45*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: mvghi 176(%r15), 7
46*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: mvghi 168(%r15), 6
47*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: mvghi 160(%r15), 5
48*9880d681SAndroid Build Coastguard Worker; CHECK-STACK: brasl %r14, bar@PLT
49*9880d681SAndroid Build Coastguard Worker
50*9880d681SAndroid Build Coastguard Worker  call void @bar (i64 1, i64 2, i64 3, i64 4, i128 0,
51*9880d681SAndroid Build Coastguard Worker                  i64 5, i64 6, i64 7, i64 8, i128 0)
52*9880d681SAndroid Build Coastguard Worker  ret void
53*9880d681SAndroid Build Coastguard Worker}
54