1 ; Test the handling of GPR, FPR and stack arguments when no extension
2 ; type is given. This type of argument is used for passing structures, etc.
4 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-INT
5 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FLOAT
6 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-DOUBLE
7 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP128-1
8 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-FP128-2
9 ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s -check-prefix=CHECK-STACK
11 declare void @bar(i8, i16, i32, i64, float, double, fp128, i64,
12 float, double, i8, i16, i32, i64, float, double, fp128)
14 ; There are two indirect fp128 slots, one at offset 224 (the first available
15 ; byte after the outgoing arguments) and one immediately after it at 240.
16 ; These slots should be set up outside the glued call sequence, so would
17 ; normally use %f0/%f2 as the first available 128-bit pair. This choice
18 ; is hard-coded in the FP128 tests.
20 ; The order of the CHECK-STACK stores doesn't matter. It would be OK to reorder
21 ; them in response to future code changes.
23 ; CHECK-INT-LABEL: foo:
24 ; CHECK-INT-DAG: lhi %r2, 1
25 ; CHECK-INT-DAG: lhi %r3, 2
26 ; CHECK-INT-DAG: lhi %r4, 3
27 ; CHECK-INT-DAG: lghi %r5, 4
28 ; CHECK-INT-DAG: la %r6, {{224|240}}(%r15)
29 ; CHECK-INT: brasl %r14, bar@PLT
31 ; CHECK-FLOAT-LABEL: foo:
32 ; CHECK-FLOAT: lzer %f0
33 ; CHECK-FLOAT: lcdfr %f4, %f0
34 ; CHECK-FLOAT: brasl %r14, bar@PLT
36 ; CHECK-DOUBLE-LABEL: foo:
37 ; CHECK-DOUBLE: lzdr %f2
38 ; CHECK-DOUBLE: lcdfr %f6, %f2
39 ; CHECK-DOUBLE: brasl %r14, bar@PLT
41 ; CHECK-FP128-1-LABEL: foo:
42 ; CHECK-FP128-1: aghi %r15, -256
43 ; CHECK-FP128-1: lzxr %f0
44 ; CHECK-FP128-1-DAG: std %f0, 224(%r15)
45 ; CHECK-FP128-1-DAG: std %f2, 232(%r15)
46 ; CHECK-FP128-1: brasl %r14, bar@PLT
48 ; CHECK-FP128-2-LABEL: foo:
49 ; CHECK-FP128-2: aghi %r15, -256
50 ; CHECK-FP128-2: lzxr %f0
51 ; CHECK-FP128-2-DAG: std %f0, 240(%r15)
52 ; CHECK-FP128-2-DAG: std %f2, 248(%r15)
53 ; CHECK-FP128-2: brasl %r14, bar@PLT
55 ; CHECK-STACK-LABEL: foo:
56 ; CHECK-STACK: aghi %r15, -256
57 ; CHECK-STACK: la [[REGISTER:%r[0-5]+]], {{224|240}}(%r15)
58 ; CHECK-STACK: stg [[REGISTER]], 216(%r15)
59 ; CHECK-STACK: mvghi 208(%r15), 0
60 ; CHECK-STACK: mvhi 204(%r15), 0
61 ; CHECK-STACK: mvghi 192(%r15), 9
62 ; CHECK-STACK: mvhi 188(%r15), 8
63 ; CHECK-STACK: mvhi 180(%r15), 7
64 ; CHECK-STACK: mvhi 172(%r15), 6
65 ; CHECK-STACK: mvghi 160(%r15), 5
66 ; CHECK-STACK: brasl %r14, bar@PLT
68 call void @bar (i8 1, i16 2, i32 3, i64 4, float 0.0, double 0.0,
69 fp128 0xL00000000000000000000000000000000, i64 5,
70 float -0.0, double -0.0, i8 6, i16 7, i32 8, i64 9, float 0.0,
71 double 0.0, fp128 0xL00000000000000000000000000000000)