llvm-6502/test/CodeGen/ARM64/crc32.ll
Tim Northover 7b837d8c75 ARM64: initial backend import
This adds a second implementation of the AArch64 architecture to LLVM,
accessible in parallel via the "arm64" triple. The plan over the
coming weeks & months is to merge the two into a single backend,
during which time thorough code review should naturally occur.

Everything will be easier with the target in-tree though, hence this
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205090 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-29 10:18:08 +00:00

72 lines
1.9 KiB
LLVM

; RUN: llc -march=arm64 -o - %s | FileCheck %s
define i32 @test_crc32b(i32 %cur, i8 %next) {
; CHECK-LABEL: test_crc32b:
; CHECK: crc32b w0, w0, w1
%bits = zext i8 %next to i32
%val = call i32 @llvm.arm64.crc32b(i32 %cur, i32 %bits)
ret i32 %val
}
define i32 @test_crc32h(i32 %cur, i16 %next) {
; CHECK-LABEL: test_crc32h:
; CHECK: crc32h w0, w0, w1
%bits = zext i16 %next to i32
%val = call i32 @llvm.arm64.crc32h(i32 %cur, i32 %bits)
ret i32 %val
}
define i32 @test_crc32w(i32 %cur, i32 %next) {
; CHECK-LABEL: test_crc32w:
; CHECK: crc32w w0, w0, w1
%val = call i32 @llvm.arm64.crc32w(i32 %cur, i32 %next)
ret i32 %val
}
define i32 @test_crc32x(i32 %cur, i64 %next) {
; CHECK-LABEL: test_crc32x:
; CHECK: crc32x w0, w0, x1
%val = call i32 @llvm.arm64.crc32x(i32 %cur, i64 %next)
ret i32 %val
}
define i32 @test_crc32cb(i32 %cur, i8 %next) {
; CHECK-LABEL: test_crc32cb:
; CHECK: crc32cb w0, w0, w1
%bits = zext i8 %next to i32
%val = call i32 @llvm.arm64.crc32cb(i32 %cur, i32 %bits)
ret i32 %val
}
define i32 @test_crc32ch(i32 %cur, i16 %next) {
; CHECK-LABEL: test_crc32ch:
; CHECK: crc32ch w0, w0, w1
%bits = zext i16 %next to i32
%val = call i32 @llvm.arm64.crc32ch(i32 %cur, i32 %bits)
ret i32 %val
}
define i32 @test_crc32cw(i32 %cur, i32 %next) {
; CHECK-LABEL: test_crc32cw:
; CHECK: crc32cw w0, w0, w1
%val = call i32 @llvm.arm64.crc32cw(i32 %cur, i32 %next)
ret i32 %val
}
define i32 @test_crc32cx(i32 %cur, i64 %next) {
; CHECK-LABEL: test_crc32cx:
; CHECK: crc32cx w0, w0, x1
%val = call i32 @llvm.arm64.crc32cx(i32 %cur, i64 %next)
ret i32 %val
}
declare i32 @llvm.arm64.crc32b(i32, i32)
declare i32 @llvm.arm64.crc32h(i32, i32)
declare i32 @llvm.arm64.crc32w(i32, i32)
declare i32 @llvm.arm64.crc32x(i32, i64)
declare i32 @llvm.arm64.crc32cb(i32, i32)
declare i32 @llvm.arm64.crc32ch(i32, i32)
declare i32 @llvm.arm64.crc32cw(i32, i32)
declare i32 @llvm.arm64.crc32cx(i32, i64)