File: xor-02.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8~deb9u3
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (40 lines) | stat: -rw-r--r-- 873 bytes parent folder | download | duplicates (39)
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
; Test 32-bit XORs in which the second operand is constant.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

; Check the lowest useful XILF value.
define i32 @f1(i32 %a) {
; CHECK-LABEL: f1:
; CHECK: xilf %r2, 1
; CHECK: br %r14
  %xor = xor i32 %a, 1
  ret i32 %xor
}

; Check the high end of the signed range.
define i32 @f2(i32 %a) {
; CHECK-LABEL: f2:
; CHECK: xilf %r2, 2147483647
; CHECK: br %r14
  %xor = xor i32 %a, 2147483647
  ret i32 %xor
}

; Check the low end of the signed range, which should be treated
; as a positive value.
define i32 @f3(i32 %a) {
; CHECK-LABEL: f3:
; CHECK: xilf %r2, 2147483648
; CHECK: br %r14
  %xor = xor i32 %a, -2147483648
  ret i32 %xor
}

; Check the high end of the XILF range.
define i32 @f4(i32 %a) {
; CHECK-LABEL: f4:
; CHECK: xilf %r2, 4294967295
; CHECK: br %r14
  %xor = xor i32 %a, 4294967295
  ret i32 %xor
}