1 ; Test the handling of GPR, FPR and stack arguments when integers are
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 signext, i16 signext, i32 signext, i64, float, double,
12 fp128, i64, float, double, i8 signext, i16 signext,
13 i32 signext, i64, float, double, fp128)
15 ; There are two indirect fp128 slots, one at offset 224 (the first available
16 ; byte after the outgoing arguments) and one immediately after it at 240.
17 ; These slots should be set up outside the glued call sequence, so would
18 ; normally use %f0/%f2 as the first available 128-bit pair. This choice
19 ; is hard-coded in the FP128 tests.
21 ; The order of the CHECK-STACK stores doesn't matter. It would be OK to reorder
22 ; them in response to future code changes.
24 ; CHECK-INT-LABEL: foo:
25 ; CHECK-INT-DAG: lghi %r2, -1
26 ; CHECK-INT-DAG: lghi %r3, -2
27 ; CHECK-INT-DAG: lghi %r4, -3
28 ; CHECK-INT-DAG: lghi %r5, -4
29 ; CHECK-INT-DAG: la %r6, {{224|240}}(%r15)
30 ; CHECK-INT: brasl %r14, bar@PLT
32 ; CHECK-FLOAT-LABEL: foo:
33 ; CHECK-FLOAT: lzer %f0
34 ; CHECK-FLOAT: lcdfr %f4, %f0
35 ; CHECK-FLOAT: brasl %r14, bar@PLT
37 ; CHECK-DOUBLE-LABEL: foo:
38 ; CHECK-DOUBLE: lzdr %f2
39 ; CHECK-DOUBLE: lcdfr %f6, %f2
40 ; CHECK-DOUBLE: brasl %r14, bar@PLT
42 ; CHECK-FP128-1-LABEL: foo:
43 ; CHECK-FP128-1: aghi %r15, -256
44 ; CHECK-FP128-1: lzxr %f0
45 ; CHECK-FP128-1-DAG: std %f0, 224(%r15)
46 ; CHECK-FP128-1-DAG: std %f2, 232(%r15)
47 ; CHECK-FP128-1: brasl %r14, bar@PLT
49 ; CHECK-FP128-2-LABEL: foo:
50 ; CHECK-FP128-2: aghi %r15, -256
51 ; CHECK-FP128-2: lzxr %f0
52 ; CHECK-FP128-2-DAG: std %f0, 240(%r15)
53 ; CHECK-FP128-2-DAG: std %f2, 248(%r15)
54 ; CHECK-FP128-2: brasl %r14, bar@PLT
56 ; CHECK-STACK-LABEL: foo:
57 ; CHECK-STACK: aghi %r15, -256
58 ; CHECK-STACK: la [[REGISTER:%r[0-5]+]], {{224|240}}(%r15)
59 ; CHECK-STACK: stg [[REGISTER]], 216(%r15)
60 ; CHECK-STACK: mvghi 208(%r15), 0
61 ; CHECK-STACK: mvhi 204(%r15), 0
62 ; CHECK-STACK: mvghi 192(%r15), -9
63 ; CHECK-STACK: mvghi 184(%r15), -8
64 ; CHECK-STACK: mvghi 176(%r15), -7
65 ; CHECK-STACK: mvghi 168(%r15), -6
66 ; CHECK-STACK: mvghi 160(%r15), -5
67 ; CHECK-STACK: brasl %r14, bar@PLT
69 call void @bar (i8 signext -1, i16 signext -2, i32 signext -3, i64 -4, float 0.0, double 0.0,
70 fp128 0xL00000000000000000000000000000000, i64 -5,
71 float -0.0, double -0.0, i8 signext -6, i16 signext -7, i32 signext -8, i64 -9,
72 float 0.0, double 0.0,
73 fp128 0xL00000000000000000000000000000000)