42 lines
2 KiB
LLVM
42 lines
2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-unknown-unknown -mattr=-sse4.2,+crc32 --show-mc-encoding | FileCheck %s
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; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-unknown-unknown -mattr=+crc32 --show-mc-encoding | FileCheck %s
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; RUN: llc < %s -fast-isel -fast-isel-abort=3 -mtriple=x86_64-unknown-unknown -mattr=+crc32,+egpr --show-mc-encoding | FileCheck %s -check-prefix=EGPR
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; NOTE: This should use IR equivalent to what is generated by clang/test/CodeGen/sse42-builtins.c
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; Note: %a1 is i32 as FastISel can't handle i8/i16 arguments.
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define i64 @test_mm_crc64_u8(i64 %a0, i32 %a1) nounwind{
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; CHECK-LABEL: test_mm_crc64_u8:
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; CHECK: # %bb.0:
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; CHECK-NEXT: crc32b %sil, %edi # encoding: [0xf2,0x40,0x0f,0x38,0xf0,0xfe]
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; CHECK-NEXT: movl %edi, %eax # encoding: [0x89,0xf8]
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; CHECK-NEXT: retq # encoding: [0xc3]
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;
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; EGPR-LABEL: test_mm_crc64_u8:
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; EGPR: # %bb.0:
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; EGPR-NEXT: crc32b %sil, %edi # EVEX TO LEGACY Compression encoding: [0xf2,0x40,0x0f,0x38,0xf0,0xfe]
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; EGPR-NEXT: movl %edi, %eax # encoding: [0x89,0xf8]
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; EGPR-NEXT: retq # encoding: [0xc3]
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%trunc = trunc i32 %a1 to i8
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%res = call i64 @llvm.x86.sse42.crc32.64.8(i64 %a0, i8 %trunc)
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ret i64 %res
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}
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declare i64 @llvm.x86.sse42.crc32.64.8(i64, i8) nounwind readnone
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define i64 @test_mm_crc64_u64(i64 %a0, i64 %a1) nounwind{
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; CHECK-LABEL: test_mm_crc64_u64:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movq %rdi, %rax # encoding: [0x48,0x89,0xf8]
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; CHECK-NEXT: crc32q %rsi, %rax # encoding: [0xf2,0x48,0x0f,0x38,0xf1,0xc6]
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; CHECK-NEXT: retq # encoding: [0xc3]
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;
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; EGPR-LABEL: test_mm_crc64_u64:
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; EGPR: # %bb.0:
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; EGPR-NEXT: movq %rdi, %rax # encoding: [0x48,0x89,0xf8]
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; EGPR-NEXT: crc32q %rsi, %rax # EVEX TO LEGACY Compression encoding: [0xf2,0x48,0x0f,0x38,0xf1,0xc6]
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; EGPR-NEXT: retq # encoding: [0xc3]
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%res = call i64 @llvm.x86.sse42.crc32.64.64(i64 %a0, i64 %a1)
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ret i64 %res
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}
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declare i64 @llvm.x86.sse42.crc32.64.64(i64, i64) nounwind readnone
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