File: xor-02.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (40 lines) | stat: -rw-r--r-- 873 bytes parent folder | download | duplicates (36)
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
}