File: arm64-crc32.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (73 lines) | stat: -rw-r--r-- 2,145 bytes parent folder | download | duplicates (16)
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
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
; RUN: llc -mtriple=arm64-eabi -mattr=+crc -o - %s | FileCheck %s
; RUN: llc -mtriple=arm64-eabi -mattr=+v8r -o - %s | FileCheck %s
; RUN: llc -mtriple=arm64-eabi -mcpu=cortex-a53 -mattr=+crc -o - %s | FileCheck %s

define i32 @test_crc32b(i32 %cur, i8 %next) {
; CHECK-LABEL: test_crc32b:
; CHECK: crc32b w0, w0, w1
  %bits = zext i8 %next to i32
  %val = call i32 @llvm.aarch64.crc32b(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32h(i32 %cur, i16 %next) {
; CHECK-LABEL: test_crc32h:
; CHECK: crc32h w0, w0, w1
  %bits = zext i16 %next to i32
  %val = call i32 @llvm.aarch64.crc32h(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32w(i32 %cur, i32 %next) {
; CHECK-LABEL: test_crc32w:
; CHECK: crc32w w0, w0, w1
  %val = call i32 @llvm.aarch64.crc32w(i32 %cur, i32 %next)
  ret i32 %val
}

define i32 @test_crc32x(i32 %cur, i64 %next) {
; CHECK-LABEL: test_crc32x:
; CHECK: crc32x w0, w0, x1
  %val = call i32 @llvm.aarch64.crc32x(i32 %cur, i64 %next)
  ret i32 %val
}

define i32 @test_crc32cb(i32 %cur, i8 %next) {
; CHECK-LABEL: test_crc32cb:
; CHECK: crc32cb w0, w0, w1
  %bits = zext i8 %next to i32
  %val = call i32 @llvm.aarch64.crc32cb(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32ch(i32 %cur, i16 %next) {
; CHECK-LABEL: test_crc32ch:
; CHECK: crc32ch w0, w0, w1
  %bits = zext i16 %next to i32
  %val = call i32 @llvm.aarch64.crc32ch(i32 %cur, i32 %bits)
  ret i32 %val
}

define i32 @test_crc32cw(i32 %cur, i32 %next) {
; CHECK-LABEL: test_crc32cw:
; CHECK: crc32cw w0, w0, w1
  %val = call i32 @llvm.aarch64.crc32cw(i32 %cur, i32 %next)
  ret i32 %val
}

define i32 @test_crc32cx(i32 %cur, i64 %next) {
; CHECK-LABEL: test_crc32cx:
; CHECK: crc32cx w0, w0, x1
  %val = call i32 @llvm.aarch64.crc32cx(i32 %cur, i64 %next)
  ret i32 %val
}

declare i32 @llvm.aarch64.crc32b(i32, i32)
declare i32 @llvm.aarch64.crc32h(i32, i32)
declare i32 @llvm.aarch64.crc32w(i32, i32)
declare i32 @llvm.aarch64.crc32x(i32, i64)

declare i32 @llvm.aarch64.crc32cb(i32, i32)
declare i32 @llvm.aarch64.crc32ch(i32, i32)
declare i32 @llvm.aarch64.crc32cw(i32, i32)
declare i32 @llvm.aarch64.crc32cx(i32, i64)