File: crc32.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 (58 lines) | stat: -rw-r--r-- 1,562 bytes parent folder | download | duplicates (23)
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
51
52
53
54
55
56
57
58
; RUN: llc -mtriple=thumbv8 -o - %s | FileCheck %s

define i32 @test_crc32b(i32 %cur, i8 %next) {
; CHECK-LABEL: test_crc32b:
; CHECK: crc32b r0, r0, r1
  %bits = zext i8 %next to i32
  %val = call i32 @llvm.arm.crc32b(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32h(i32 %cur, i16 %next) {
; CHECK-LABEL: test_crc32h:
; CHECK: crc32h r0, r0, r1
  %bits = zext i16 %next to i32
  %val = call i32 @llvm.arm.crc32h(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32w(i32 %cur, i32 %next) {
; CHECK-LABEL: test_crc32w:
; CHECK: crc32w r0, r0, r1
  %val = call i32 @llvm.arm.crc32w(i32 %cur, i32 %next)
  ret i32 %val
}

define i32 @test_crc32cb(i32 %cur, i8 %next) {
; CHECK-LABEL: test_crc32cb:
; CHECK: crc32cb r0, r0, r1
  %bits = zext i8 %next to i32
  %val = call i32 @llvm.arm.crc32cb(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32ch(i32 %cur, i16 %next) {
; CHECK-LABEL: test_crc32ch:
; CHECK: crc32ch r0, r0, r1
  %bits = zext i16 %next to i32
  %val = call i32 @llvm.arm.crc32ch(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32cw(i32 %cur, i32 %next) {
; CHECK-LABEL: test_crc32cw:
; CHECK: crc32cw r0, r0, r1
  %val = call i32 @llvm.arm.crc32cw(i32 %cur, i32 %next)
  ret i32 %val
}


declare i32 @llvm.arm.crc32b(i32, i32)
declare i32 @llvm.arm.crc32h(i32, i32)
declare i32 @llvm.arm.crc32w(i32, i32)
declare i32 @llvm.arm.crc32x(i32, i64)

declare i32 @llvm.arm.crc32cb(i32, i32)
declare i32 @llvm.arm.crc32ch(i32, i32)
declare i32 @llvm.arm.crc32cw(i32, i32)
declare i32 @llvm.arm.crc32cx(i32, i64)