1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+crc32 -show-mc-encoding | FileCheck %s
3 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+crc32,+egpr -show-mc-encoding | FileCheck %s --check-prefixes=EGPR
5 declare i64 @llvm.x86.sse42.crc32.64.8(i64, i8) nounwind
6 declare i64 @llvm.x86.sse42.crc32.64.64(i64, i64) nounwind
8 define i64 @crc32_64_8(i64 %a, i8 %b) nounwind {
9 ; CHECK-LABEL: crc32_64_8:
11 ; CHECK-NEXT: movq %rdi, %rax ## encoding: [0x48,0x89,0xf8]
12 ; CHECK-NEXT: crc32b %sil, %eax ## encoding: [0xf2,0x40,0x0f,0x38,0xf0,0xc6]
13 ; CHECK-NEXT: retq ## encoding: [0xc3]
15 ; EGPR-LABEL: crc32_64_8:
17 ; EGPR-NEXT: movq %rdi, %rax ## encoding: [0x48,0x89,0xf8]
18 ; EGPR-NEXT: crc32b %sil, %eax ## EVEX TO LEGACY Compression encoding: [0xf2,0x40,0x0f,0x38,0xf0,0xc6]
19 ; EGPR-NEXT: retq ## encoding: [0xc3]
20 %tmp = call i64 @llvm.x86.sse42.crc32.64.8(i64 %a, i8 %b)
24 define i64 @crc32_64_64(i64 %a, i64 %b) nounwind {
25 ; CHECK-LABEL: crc32_64_64:
27 ; CHECK-NEXT: movq %rdi, %rax ## encoding: [0x48,0x89,0xf8]
28 ; CHECK-NEXT: crc32q %rsi, %rax ## encoding: [0xf2,0x48,0x0f,0x38,0xf1,0xc6]
29 ; CHECK-NEXT: retq ## encoding: [0xc3]
31 ; EGPR-LABEL: crc32_64_64:
33 ; EGPR-NEXT: movq %rdi, %rax ## encoding: [0x48,0x89,0xf8]
34 ; EGPR-NEXT: crc32q %rsi, %rax ## EVEX TO LEGACY Compression encoding: [0xf2,0x48,0x0f,0x38,0xf1,0xc6]
35 ; EGPR-NEXT: retq ## encoding: [0xc3]
36 %tmp = call i64 @llvm.x86.sse42.crc32.64.64(i64 %a, i64 %b)