File: fp-conv-15.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (50 lines) | stat: -rw-r--r-- 1,169 bytes parent folder | download | duplicates (15)
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 f128 floating-point truncations/extensions on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s

; Test f128->f64.
define double @f1(fp128 *%ptr) {
; CHECK-LABEL: f1:
; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
; CHECK: wflrx %f0, [[REG]], 0, 0
; CHECK: br %r14
  %val = load fp128, fp128 *%ptr
  %res = fptrunc fp128 %val to double
  ret double %res
}

; Test f128->f32.
define float @f2(fp128 *%ptr) {
; CHECK-LABEL: f2:
; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
; CHECK: wflrx %f0, [[REG]], 0, 3
; CHECK: ledbra %f0, 0, %f0, 0
; CHECK: br %r14
  %val = load fp128, fp128 *%ptr
  %res = fptrunc fp128 %val to float
  ret float %res
}

; Test f64->f128.
define void @f3(fp128 *%dst, double %val) {
; CHECK-LABEL: f3:
; CHECK: wflld [[RES:%v[0-9]+]], %f0
; CHECK: vst [[RES]], 0(%r2)
; CHECK: br %r14
  %res = fpext double %val to fp128
  store fp128 %res, fp128 *%dst
  ret void
}

; Test f32->f128.
define void @f4(fp128 *%dst, float %val) {
; CHECK-LABEL: f4:
; CHECK: ldebr %f0, %f0
; CHECK: wflld [[RES:%v[0-9]+]], %f0
; CHECK: vst [[RES]], 0(%r2)
; CHECK: br %r14
  %res = fpext float %val to fp128
  store fp128 %res, fp128 *%dst
  ret void
}