xref: /llvm-project/llvm/test/CodeGen/AArch64/arm64-fast-isel-crc32.ll (revision ab21beaccc9d69339cc148151f1a4bec0c87a5bd) 
1; RUN: llc -mtriple=arm64-eabi -fast-isel -fast-isel-abort=3 -mattr=+crc -o - %s | FileCheck %s
2; RUN: llc -mtriple=arm64-eabi -fast-isel -fast-isel-abort=3 -mattr=+v8r -o - %s | FileCheck %s
3; RUN: llc -mtriple=arm64-eabi -fast-isel -fast-isel-abort=3 -mcpu=cortex-a53 -mattr=+crc -o - %s | FileCheck %s
4
5; Note: tests are a copy of arm64-crc32.ll
6
7define i32 @test_crc32b(i32 %cur, i32 %next) {
8; CHECK-LABEL: test_crc32b:
9; CHECK: crc32b w0, w0, w1
10  %val = call i32 @llvm.aarch64.crc32b(i32 %cur, i32 %next)
11  ret i32 %val
12}
13
14define i32 @test_crc32h(i32 %cur, i32 %next) {
15; CHECK-LABEL: test_crc32h:
16; CHECK: crc32h w0, w0, w1
17  %val = call i32 @llvm.aarch64.crc32h(i32 %cur, i32 %next)
18  ret i32 %val
19}
20
21define i32 @test_crc32w(i32 %cur, i32 %next) {
22; CHECK-LABEL: test_crc32w:
23; CHECK: crc32w w0, w0, w1
24  %val = call i32 @llvm.aarch64.crc32w(i32 %cur, i32 %next)
25  ret i32 %val
26}
27
28define i32 @test_crc32x(i32 %cur, i64 %next) {
29; CHECK-LABEL: test_crc32x:
30; CHECK: crc32x w0, w0, x1
31  %val = call i32 @llvm.aarch64.crc32x(i32 %cur, i64 %next)
32  ret i32 %val
33}
34
35define i32 @test_crc32cb(i32 %cur, i32 %next) {
36; CHECK-LABEL: test_crc32cb:
37; CHECK: crc32cb w0, w0, w1
38  %val = call i32 @llvm.aarch64.crc32cb(i32 %cur, i32 %next)
39  ret i32 %val
40}
41
42define i32 @test_crc32ch(i32 %cur, i32 %next) {
43; CHECK-LABEL: test_crc32ch:
44; CHECK: crc32ch w0, w0, w1
45  %val = call i32 @llvm.aarch64.crc32ch(i32 %cur, i32 %next)
46  ret i32 %val
47}
48
49define i32 @test_crc32cw(i32 %cur, i32 %next) {
50; CHECK-LABEL: test_crc32cw:
51; CHECK: crc32cw w0, w0, w1
52  %val = call i32 @llvm.aarch64.crc32cw(i32 %cur, i32 %next)
53  ret i32 %val
54}
55
56define i32 @test_crc32cx(i32 %cur, i64 %next) {
57; CHECK-LABEL: test_crc32cx:
58; CHECK: crc32cx w0, w0, x1
59  %val = call i32 @llvm.aarch64.crc32cx(i32 %cur, i64 %next)
60  ret i32 %val
61}
62
63declare i32 @llvm.aarch64.crc32b(i32, i32)
64declare i32 @llvm.aarch64.crc32h(i32, i32)
65declare i32 @llvm.aarch64.crc32w(i32, i32)
66declare i32 @llvm.aarch64.crc32x(i32, i64)
67
68declare i32 @llvm.aarch64.crc32cb(i32, i32)
69declare i32 @llvm.aarch64.crc32ch(i32, i32)
70declare i32 @llvm.aarch64.crc32cw(i32, i32)
71declare i32 @llvm.aarch64.crc32cx(i32, i64)
72