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According to the specification, CRC is an optional extension of the architecture. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207214 91177308-0d34-0410-b5e6-96231b3b80d8
72 lines
1.9 KiB
LLVM
72 lines
1.9 KiB
LLVM
; RUN: llc -march=arm64 -mattr=+crc -o - %s | FileCheck %s
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define i32 @test_crc32b(i32 %cur, i8 %next) {
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; CHECK-LABEL: test_crc32b:
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; CHECK: crc32b w0, w0, w1
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%bits = zext i8 %next to i32
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%val = call i32 @llvm.arm64.crc32b(i32 %cur, i32 %bits)
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ret i32 %val
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}
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define i32 @test_crc32h(i32 %cur, i16 %next) {
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; CHECK-LABEL: test_crc32h:
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; CHECK: crc32h w0, w0, w1
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%bits = zext i16 %next to i32
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%val = call i32 @llvm.arm64.crc32h(i32 %cur, i32 %bits)
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ret i32 %val
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}
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define i32 @test_crc32w(i32 %cur, i32 %next) {
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; CHECK-LABEL: test_crc32w:
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; CHECK: crc32w w0, w0, w1
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%val = call i32 @llvm.arm64.crc32w(i32 %cur, i32 %next)
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ret i32 %val
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}
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define i32 @test_crc32x(i32 %cur, i64 %next) {
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; CHECK-LABEL: test_crc32x:
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; CHECK: crc32x w0, w0, x1
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%val = call i32 @llvm.arm64.crc32x(i32 %cur, i64 %next)
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ret i32 %val
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}
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define i32 @test_crc32cb(i32 %cur, i8 %next) {
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; CHECK-LABEL: test_crc32cb:
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; CHECK: crc32cb w0, w0, w1
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%bits = zext i8 %next to i32
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%val = call i32 @llvm.arm64.crc32cb(i32 %cur, i32 %bits)
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ret i32 %val
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}
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define i32 @test_crc32ch(i32 %cur, i16 %next) {
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; CHECK-LABEL: test_crc32ch:
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; CHECK: crc32ch w0, w0, w1
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%bits = zext i16 %next to i32
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%val = call i32 @llvm.arm64.crc32ch(i32 %cur, i32 %bits)
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ret i32 %val
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}
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define i32 @test_crc32cw(i32 %cur, i32 %next) {
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; CHECK-LABEL: test_crc32cw:
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; CHECK: crc32cw w0, w0, w1
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%val = call i32 @llvm.arm64.crc32cw(i32 %cur, i32 %next)
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ret i32 %val
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}
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define i32 @test_crc32cx(i32 %cur, i64 %next) {
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; CHECK-LABEL: test_crc32cx:
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; CHECK: crc32cx w0, w0, x1
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%val = call i32 @llvm.arm64.crc32cx(i32 %cur, i64 %next)
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ret i32 %val
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}
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declare i32 @llvm.arm64.crc32b(i32, i32)
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declare i32 @llvm.arm64.crc32h(i32, i32)
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declare i32 @llvm.arm64.crc32w(i32, i32)
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declare i32 @llvm.arm64.crc32x(i32, i64)
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declare i32 @llvm.arm64.crc32cb(i32, i32)
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declare i32 @llvm.arm64.crc32ch(i32, i32)
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declare i32 @llvm.arm64.crc32cw(i32, i32)
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declare i32 @llvm.arm64.crc32cx(i32, i64)
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