xref: /aosp_15_r20/external/llvm/test/CodeGen/SystemZ/fp-conv-13.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; Test conversions of unsigned integers to floating-point values
2*9880d681SAndroid Build Coastguard Worker; (z196 and above).
3*9880d681SAndroid Build Coastguard Worker;
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; Check i32->f32.
7*9880d681SAndroid Build Coastguard Workerdefine float @f1(i32 %i) {
8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
9*9880d681SAndroid Build Coastguard Worker; CHECK: celfbr %f0, 0, %r2, 0
10*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
11*9880d681SAndroid Build Coastguard Worker  %conv = uitofp i32 %i to float
12*9880d681SAndroid Build Coastguard Worker  ret float %conv
13*9880d681SAndroid Build Coastguard Worker}
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Worker; Check i32->f64.
16*9880d681SAndroid Build Coastguard Workerdefine double @f2(i32 %i) {
17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
18*9880d681SAndroid Build Coastguard Worker; CHECK: cdlfbr %f0, 0, %r2, 0
19*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
20*9880d681SAndroid Build Coastguard Worker  %conv = uitofp i32 %i to double
21*9880d681SAndroid Build Coastguard Worker  ret double %conv
22*9880d681SAndroid Build Coastguard Worker}
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Worker; Check i32->f128.
25*9880d681SAndroid Build Coastguard Workerdefine void @f3(i32 %i, fp128 *%dst) {
26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3:
27*9880d681SAndroid Build Coastguard Worker; CHECK: cxlfbr %f0, 0, %r2, 0
28*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std %f0, 0(%r3)
29*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std %f2, 8(%r3)
30*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
31*9880d681SAndroid Build Coastguard Worker  %conv = uitofp i32 %i to fp128
32*9880d681SAndroid Build Coastguard Worker  store fp128 %conv, fp128 *%dst
33*9880d681SAndroid Build Coastguard Worker  ret void
34*9880d681SAndroid Build Coastguard Worker}
35*9880d681SAndroid Build Coastguard Worker
36*9880d681SAndroid Build Coastguard Worker; Check i64->f32.
37*9880d681SAndroid Build Coastguard Workerdefine float @f4(i64 %i) {
38*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4:
39*9880d681SAndroid Build Coastguard Worker; CHECK: celgbr %f0, 0, %r2, 0
40*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
41*9880d681SAndroid Build Coastguard Worker  %conv = uitofp i64 %i to float
42*9880d681SAndroid Build Coastguard Worker  ret float %conv
43*9880d681SAndroid Build Coastguard Worker}
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Worker; Check i64->f64.
46*9880d681SAndroid Build Coastguard Workerdefine double @f5(i64 %i) {
47*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5:
48*9880d681SAndroid Build Coastguard Worker; CHECK: cdlgbr %f0, 0, %r2, 0
49*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
50*9880d681SAndroid Build Coastguard Worker  %conv = uitofp i64 %i to double
51*9880d681SAndroid Build Coastguard Worker  ret double %conv
52*9880d681SAndroid Build Coastguard Worker}
53*9880d681SAndroid Build Coastguard Worker
54*9880d681SAndroid Build Coastguard Worker; Check i64->f128.
55*9880d681SAndroid Build Coastguard Workerdefine void @f6(i64 %i, fp128 *%dst) {
56*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f6:
57*9880d681SAndroid Build Coastguard Worker; CHECK: cxlgbr %f0, 0, %r2, 0
58*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std %f0, 0(%r3)
59*9880d681SAndroid Build Coastguard Worker; CHECK-DAG: std %f2, 8(%r3)
60*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14
61*9880d681SAndroid Build Coastguard Worker  %conv = uitofp i64 %i to fp128
62*9880d681SAndroid Build Coastguard Worker  store fp128 %conv, fp128 *%dst
63*9880d681SAndroid Build Coastguard Worker  ret void
64*9880d681SAndroid Build Coastguard Worker}
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