xref: /llvm-project/llvm/test/CodeGen/AArch64/arm64-crc32.ll (revision 8689f5e6e77394528155b624d74557790278a407) 
1; RUN: llc -mtriple=arm64-eabi -mattr=+crc -o - %s | FileCheck %s
2; RUN: llc -mtriple=arm64-eabi -mattr=+v8r -o - %s | FileCheck %s
3; RUN: llc -mtriple=arm64-eabi -mcpu=cortex-a53 -mattr=+crc -o - %s | FileCheck %s
4
5define i32 @test_crc32b(i32 %cur, i8 %next) {
6; CHECK-LABEL: test_crc32b:
7; CHECK: crc32b w0, w0, w1
8  %bits = zext i8 %next to i32
9  %val = call i32 @llvm.aarch64.crc32b(i32 %cur, i32 %bits)
10  ret i32 %val
11}
12
13define i32 @test_crc32h(i32 %cur, i16 %next) {
14; CHECK-LABEL: test_crc32h:
15; CHECK: crc32h w0, w0, w1
16  %bits = zext i16 %next to i32
17  %val = call i32 @llvm.aarch64.crc32h(i32 %cur, i32 %bits)
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, i8 %next) {
36; CHECK-LABEL: test_crc32cb:
37; CHECK: crc32cb w0, w0, w1
38  %bits = zext i8 %next to i32
39  %val = call i32 @llvm.aarch64.crc32cb(i32 %cur, i32 %bits)
40  ret i32 %val
41}
42
43define i32 @test_crc32ch(i32 %cur, i16 %next) {
44; CHECK-LABEL: test_crc32ch:
45; CHECK: crc32ch w0, w0, w1
46  %bits = zext i16 %next to i32
47  %val = call i32 @llvm.aarch64.crc32ch(i32 %cur, i32 %bits)
48  ret i32 %val
49}
50
51define i32 @test_crc32cw(i32 %cur, i32 %next) {
52; CHECK-LABEL: test_crc32cw:
53; CHECK: crc32cw w0, w0, w1
54  %val = call i32 @llvm.aarch64.crc32cw(i32 %cur, i32 %next)
55  ret i32 %val
56}
57
58define i32 @test_crc32cx(i32 %cur, i64 %next) {
59; CHECK-LABEL: test_crc32cx:
60; CHECK: crc32cx w0, w0, x1
61  %val = call i32 @llvm.aarch64.crc32cx(i32 %cur, i64 %next)
62  ret i32 %val
63}
64
65declare i32 @llvm.aarch64.crc32b(i32, i32)
66declare i32 @llvm.aarch64.crc32h(i32, i32)
67declare i32 @llvm.aarch64.crc32w(i32, i32)
68declare i32 @llvm.aarch64.crc32x(i32, i64)
69
70declare i32 @llvm.aarch64.crc32cb(i32, i32)
71declare i32 @llvm.aarch64.crc32ch(i32, i32)
72declare i32 @llvm.aarch64.crc32cw(i32, i32)
73declare i32 @llvm.aarch64.crc32cx(i32, i64)
74