1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
; Test incoming i128 arguments.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
; Do some arithmetic so that we can see the register being used.
define void @f1(i128 *%r2, i16 %r3, i32 %r4, i64 %r5, i128 %r6) {
; CHECK-LABEL: f1:
; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8(%r6)
; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0(%r6)
; CHECK: algr [[REGL]], [[REGL]]
; CHECK-NEXT: alcgr [[REGH]], [[REGH]]
; CHECK-DAG: stg [[REGL]], 8(%r2)
; CHECK-DAG: stg [[REGH]], 0(%r2)
; CHECK: br %r14
%y = add i128 %r6, %r6
store i128 %y, i128 *%r2
ret void
}
; Test a case where the i128 address is passed on the stack.
define void @f2(i128 *%r2, i16 %r3, i32 %r4, i64 %r5,
i128 %r6, i64 %s1, i64 %s2, i128 %s4) {
; CHECK-LABEL: f2:
; CHECK: lg [[ADDR:%r[1-5]+]], 176(%r15)
; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8([[ADDR]])
; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0([[ADDR]])
; CHECK: algr [[REGL]], [[REGL]]
; CHECK-NEXT: alcgr [[REGH]], [[REGH]]
; CHECK-DAG: stg [[REGL]], 8(%r2)
; CHECK-DAG: stg [[REGH]], 0(%r2)
; CHECK: br %r14
%y = add i128 %s4, %s4
store i128 %y, i128 *%r2
ret void
}
; Explicit i128 return values are likewise passed indirectly.
define i128 @f14(i128 %r3) {
; CHECK-LABEL: f14:
; CHECK-DAG: lg [[REGL:%r[0-5]+]], 8(%r3)
; CHECK-DAG: lg [[REGH:%r[0-5]+]], 0(%r3)
; CHECK: algr [[REGL]], [[REGL]]
; CHECK-NEXT: alcgr [[REGH]], [[REGH]]
; CHECK-DAG: stg [[REGL]], 8(%r2)
; CHECK-DAG: stg [[REGH]], 0(%r2)
; CHECK: br %r14
%y = add i128 %r3, %r3
ret i128 %y
}
|
