1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; Test conversion of floating-point values to unsigned i32s (z10 only).
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
5
6; z10 doesn't have native support for unsigned fp-to-i32 conversions;
7; they were added in z196 as the Convert to Logical family of instructions.
8; Promoting to i64 doesn't generate an inexact condition for values that are
9; outside the i32 range but in the i64 range, so use the default expansion.
10
11; Test f32->i32.
12define i32 @f1(float %f) {
13; CHECK-LABEL: f1:
14; CHECK:       # %bb.0:
15; CHECK-NEXT:    larl %r1, .LCPI0_0
16; CHECK-NEXT:    le %f1, 0(%r1)
17; CHECK-NEXT:    cebr %f0, %f1
18; CHECK-NEXT:    jnl .LBB0_2
19; CHECK-NEXT:  # %bb.1:
20; CHECK-NEXT:    cfebr %r2, 5, %f0
21; CHECK-NEXT:    br %r14
22; CHECK-NEXT:  .LBB0_2:
23; CHECK-NEXT:    sebr %f0, %f1
24; CHECK-NEXT:    cfebr %r2, 5, %f0
25; CHECK-NEXT:    xilf %r2, 2147483648
26; CHECK-NEXT:    br %r14
27  %conv = fptoui float %f to i32
28  ret i32 %conv
29}
30
31; Test f64->i32.
32define i32 @f2(double %f) {
33; CHECK-LABEL: f2:
34; CHECK:       # %bb.0:
35; CHECK-NEXT:    larl %r1, .LCPI1_0
36; CHECK-NEXT:    ldeb %f1, 0(%r1)
37; CHECK-NEXT:    cdbr %f0, %f1
38; CHECK-NEXT:    jnl .LBB1_2
39; CHECK-NEXT:  # %bb.1:
40; CHECK-NEXT:    cfdbr %r2, 5, %f0
41; CHECK-NEXT:    br %r14
42; CHECK-NEXT:  .LBB1_2:
43; CHECK-NEXT:    sdbr %f0, %f1
44; CHECK-NEXT:    cfdbr %r2, 5, %f0
45; CHECK-NEXT:    xilf %r2, 2147483648
46; CHECK-NEXT:    br %r14
47  %conv = fptoui double %f to i32
48  ret i32 %conv
49}
50
51; Test f128->i32.
52define i32 @f3(fp128 *%src) {
53; CHECK-LABEL: f3:
54; CHECK:       # %bb.0:
55; CHECK-NEXT:    ld %f0, 0(%r2)
56; CHECK-NEXT:    ld %f2, 8(%r2)
57; CHECK-NEXT:    larl %r1, .LCPI2_0
58; CHECK-NEXT:    lxeb %f1, 0(%r1)
59; CHECK-NEXT:    cxbr %f0, %f1
60; CHECK-NEXT:    jnl .LBB2_2
61; CHECK-NEXT:  # %bb.1:
62; CHECK-NEXT:    cfxbr %r2, 5, %f0
63; CHECK-NEXT:    br %r14
64; CHECK-NEXT:  .LBB2_2:
65; CHECK-NEXT:    sxbr %f0, %f1
66; CHECK-NEXT:    cfxbr %r2, 5, %f0
67; CHECK-NEXT:    xilf %r2, 2147483648
68; CHECK-NEXT:    br %r14
69  %f = load fp128, fp128 *%src
70  %conv = fptoui fp128 %f to i32
71  ret i32 %conv
72}
73