1; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
2;
3; FIXME: two consecutive immediate adds not fused in i16/i8 functions.
4
5declare i64 @llvm.ctlz.i64(i64, i1)
6declare i32 @llvm.ctlz.i32(i32, i1)
7declare i16 @llvm.ctlz.i16(i16, i1)
8declare i8 @llvm.ctlz.i8(i8, i1)
9
10define i64 @f0(i64 %arg) {
11; CHECK-LABEL: f0:
12; CHECK-LABEL: %bb.0:
13; CHECK-NOT:   %bb.1:
14; CHECK: flogr
15  %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 false)
16  ret i64 %1
17}
18
19define i64 @f1(i64 %arg) {
20; CHECK-LABEL: f1:
21; CHECK-LABEL: %bb.0:
22; CHECK-NEXT: flogr
23; CHECK-NEXT: # kill
24; CHECK-NEXT: br %r14
25  %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true)
26  ret i64 %1
27}
28
29define i32 @f2(i32 %arg) {
30; CHECK-LABEL: f2:
31; CHECK-LABEL: %bb.0:
32; CHECK-NEXT: llgfr %r0, %r2
33; CHECK-NEXT: flogr %r2, %r0
34; CHECK-NEXT: aghi  %r2, -32
35; CHECK-NEXT: # kill
36; CHECK-NEXT: br %r14
37  %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 false)
38  ret i32 %1
39}
40
41define i32 @f3(i32 %arg) {
42; CHECK-LABEL: f3:
43; CHECK-LABEL: %bb.0:
44; CHECK-NEXT: llgfr %r0, %r2
45; CHECK-NEXT: flogr %r2, %r0
46; CHECK-NEXT: aghi  %r2, -32
47; CHECK-NEXT: # kill
48; CHECK-NEXT: br %r14
49  %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 true)
50  ret i32 %1
51}
52
53define i16 @f4(i16 %arg) {
54; CHECK-LABEL: f4:
55; CHECK-LABEL: %bb.0:
56; CHECK-NEXT: # kill
57; CHECK-NEXT: llghr %r0, %r2
58; CHECK-NEXT: flogr %r0, %r0
59; CHECK-NEXT: aghi  %r0, -32
60; CHECK-NEXT: ahik  %r2, %r0, -16
61; CHECK-NEXT: br %r14
62  %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 false)
63  ret i16 %1
64}
65
66define i16 @f5(i16 %arg) {
67; CHECK-LABEL: f5:
68; CHECK-LABEL: %bb.0:
69; CHECK-NEXT: # kill
70; CHECK-NEXT: llghr %r0, %r2
71; CHECK-NEXT: flogr %r0, %r0
72; CHECK-NEXT: aghi  %r0, -32
73; CHECK-NEXT: ahik  %r2, %r0, -16
74; CHECK-NEXT: br %r14
75  %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 true)
76  ret i16 %1
77}
78
79define i8 @f6(i8 %arg) {
80; CHECK-LABEL: f6:
81; CHECK-LABEL: %bb.0:
82; CHECK-NEXT: # kill
83; CHECK-NEXT: llgcr %r0, %r2
84; CHECK-NEXT: flogr %r0, %r0
85; CHECK-NEXT: aghi  %r0, -32
86; CHECK-NEXT: ahik  %r2, %r0, -24
87; CHECK-NEXT: br %r14
88  %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 false)
89  ret i8 %1
90}
91
92define i8 @f7(i8 %arg) {
93; CHECK-LABEL: f7:
94; CHECK-LABEL: %bb.0:
95; CHECK-NEXT: # kill
96; CHECK-NEXT: llgcr %r0, %r2
97; CHECK-NEXT: flogr %r0, %r0
98; CHECK-NEXT: aghi  %r0, -32
99; CHECK-NEXT: ahik  %r2, %r0, -24
100; CHECK-NEXT: br %r14
101  %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 true)
102  ret i8 %1
103}
104