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1; Test the Test Data Class instruction, selected manually via the intrinsic.
2;
3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
4
5declare i32 @llvm.s390.tdc.f32(float, i64)
6declare i32 @llvm.s390.tdc.f64(double, i64)
7declare i32 @llvm.s390.tdc.f128(fp128, i64)
8
9; Check using as i32 - f32
10define i32 @f1(float %x) {
11; CHECK-LABEL: f1
12; CHECK: tceb %f0, 123
13; CHECK: ipm %r2
14; CHECK: srl %r2, 28
15  %res = call i32 @llvm.s390.tdc.f32(float %x, i64 123)
16  ret i32 %res
17}
18
19; Check using as i32 - f64
20define i32 @f2(double %x) {
21; CHECK-LABEL: f2
22; CHECK: tcdb %f0, 123
23; CHECK: ipm %r2
24; CHECK: srl %r2, 28
25  %res = call i32 @llvm.s390.tdc.f64(double %x, i64 123)
26  ret i32 %res
27}
28
29; Check using as i32 - f128
30define i32 @f3(fp128 %x) {
31; CHECK-LABEL: f3
32; CHECK: ld %f0, 0(%r2)
33; CHECK: ld %f2, 8(%r2)
34; CHECK: tcxb %f0, 123
35; CHECK: ipm %r2
36; CHECK: srl %r2, 28
37  %res = call i32 @llvm.s390.tdc.f128(fp128 %x, i64 123)
38  ret i32 %res
39}
40
41declare void @g()
42
43; Check branch
44define void @f4(float %x) {
45; CHECK-LABEL: f4
46; CHECK: tceb %f0, 123
47; CHECK: jgl g
48; CHECK: br %r14
49  %res = call i32 @llvm.s390.tdc.f32(float %x, i64 123)
50  %cond = icmp ne i32 %res, 0
51  br i1 %cond, label %call, label %exit
52
53call:
54  tail call void @g()
55  br label %exit
56
57exit:
58  ret void
59}
60
61; Check branch negated
62define void @f5(float %x) {
63; CHECK-LABEL: f5
64; CHECK: tceb %f0, 123
65; CHECK: jge g
66; CHECK: br %r14
67  %res = call i32 @llvm.s390.tdc.f32(float %x, i64 123)
68  %cond = icmp eq i32 %res, 0
69  br i1 %cond, label %call, label %exit
70
71call:
72  tail call void @g()
73  br label %exit
74
75exit:
76  ret void
77}
78
79; Check non-const mask
80define void @f6(float %x, i64 %y) {
81; CHECK-LABEL: f6
82; CHECK: tceb %f0, 0(%r2)
83; CHECK: jge g
84; CHECK: br %r14
85  %res = call i32 @llvm.s390.tdc.f32(float %x, i64 %y)
86  %cond = icmp eq i32 %res, 0
87  br i1 %cond, label %call, label %exit
88
89call:
90  tail call void @g()
91  br label %exit
92
93exit:
94  ret void
95}
96