llvm-6502/test/CodeGen/ARM64/trn.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

135 lines
5.1 KiB
LLVM

; RUN: llc < %s -march=arm64 -arm64-neon-syntax=apple | FileCheck %s
define <8 x i8> @vtrni8(<8 x i8>* %A, <8 x i8>* %B) nounwind {
;CHECK-LABEL: vtrni8:
;CHECK: trn1.8b
;CHECK: trn2.8b
;CHECK-NEXT: add.8b
%tmp1 = load <8 x i8>* %A
%tmp2 = load <8 x i8>* %B
%tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
%tmp4 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
%tmp5 = add <8 x i8> %tmp3, %tmp4
ret <8 x i8> %tmp5
}
define <4 x i16> @vtrni16(<4 x i16>* %A, <4 x i16>* %B) nounwind {
;CHECK-LABEL: vtrni16:
;CHECK: trn1.4h
;CHECK: trn2.4h
;CHECK-NEXT: add.4h
%tmp1 = load <4 x i16>* %A
%tmp2 = load <4 x i16>* %B
%tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
%tmp4 = shufflevector <4 x i16> %tmp1, <4 x i16> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
%tmp5 = add <4 x i16> %tmp3, %tmp4
ret <4 x i16> %tmp5
}
; 2xi32 TRN is redundant with ZIP
define <2 x i32> @vtrni32(<2 x i32>* %A, <2 x i32>* %B) nounwind {
;CHECK-LABEL: vtrni32:
;CHECK: zip1.2s
;CHECK: zip2.2s
;CHECK-NEXT: add.2s
%tmp1 = load <2 x i32>* %A
%tmp2 = load <2 x i32>* %B
%tmp3 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <2 x i32> <i32 0, i32 2>
%tmp4 = shufflevector <2 x i32> %tmp1, <2 x i32> %tmp2, <2 x i32> <i32 1, i32 3>
%tmp5 = add <2 x i32> %tmp3, %tmp4
ret <2 x i32> %tmp5
}
define <2 x float> @vtrnf(<2 x float>* %A, <2 x float>* %B) nounwind {
;CHECK-LABEL: vtrnf:
;CHECK: zip1.2s
;CHECK: zip2.2s
;CHECK-NEXT: fadd.2s
%tmp1 = load <2 x float>* %A
%tmp2 = load <2 x float>* %B
%tmp3 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <2 x i32> <i32 0, i32 2>
%tmp4 = shufflevector <2 x float> %tmp1, <2 x float> %tmp2, <2 x i32> <i32 1, i32 3>
%tmp5 = fadd <2 x float> %tmp3, %tmp4
ret <2 x float> %tmp5
}
define <16 x i8> @vtrnQi8(<16 x i8>* %A, <16 x i8>* %B) nounwind {
;CHECK-LABEL: vtrnQi8:
;CHECK: trn1.16b
;CHECK: trn2.16b
;CHECK-NEXT: add.16b
%tmp1 = load <16 x i8>* %A
%tmp2 = load <16 x i8>* %B
%tmp3 = shufflevector <16 x i8> %tmp1, <16 x i8> %tmp2, <16 x i32> <i32 0, i32 16, i32 2, i32 18, i32 4, i32 20, i32 6, i32 22, i32 8, i32 24, i32 10, i32 26, i32 12, i32 28, i32 14, i32 30>
%tmp4 = shufflevector <16 x i8> %tmp1, <16 x i8> %tmp2, <16 x i32> <i32 1, i32 17, i32 3, i32 19, i32 5, i32 21, i32 7, i32 23, i32 9, i32 25, i32 11, i32 27, i32 13, i32 29, i32 15, i32 31>
%tmp5 = add <16 x i8> %tmp3, %tmp4
ret <16 x i8> %tmp5
}
define <8 x i16> @vtrnQi16(<8 x i16>* %A, <8 x i16>* %B) nounwind {
;CHECK-LABEL: vtrnQi16:
;CHECK: trn1.8h
;CHECK: trn2.8h
;CHECK-NEXT: add.8h
%tmp1 = load <8 x i16>* %A
%tmp2 = load <8 x i16>* %B
%tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
%tmp4 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 13, i32 7, i32 15>
%tmp5 = add <8 x i16> %tmp3, %tmp4
ret <8 x i16> %tmp5
}
define <4 x i32> @vtrnQi32(<4 x i32>* %A, <4 x i32>* %B) nounwind {
;CHECK-LABEL: vtrnQi32:
;CHECK: trn1.4s
;CHECK: trn2.4s
;CHECK-NEXT: add.4s
%tmp1 = load <4 x i32>* %A
%tmp2 = load <4 x i32>* %B
%tmp3 = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
%tmp4 = shufflevector <4 x i32> %tmp1, <4 x i32> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
%tmp5 = add <4 x i32> %tmp3, %tmp4
ret <4 x i32> %tmp5
}
define <4 x float> @vtrnQf(<4 x float>* %A, <4 x float>* %B) nounwind {
;CHECK-LABEL: vtrnQf:
;CHECK: trn1.4s
;CHECK: trn2.4s
;CHECK-NEXT: fadd.4s
%tmp1 = load <4 x float>* %A
%tmp2 = load <4 x float>* %B
%tmp3 = shufflevector <4 x float> %tmp1, <4 x float> %tmp2, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
%tmp4 = shufflevector <4 x float> %tmp1, <4 x float> %tmp2, <4 x i32> <i32 1, i32 5, i32 3, i32 7>
%tmp5 = fadd <4 x float> %tmp3, %tmp4
ret <4 x float> %tmp5
}
; Undef shuffle indices should not prevent matching to VTRN:
define <8 x i8> @vtrni8_undef(<8 x i8>* %A, <8 x i8>* %B) nounwind {
;CHECK-LABEL: vtrni8_undef:
;CHECK: trn1.8b
;CHECK: trn2.8b
;CHECK-NEXT: add.8b
%tmp1 = load <8 x i8>* %A
%tmp2 = load <8 x i8>* %B
%tmp3 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 0, i32 undef, i32 2, i32 10, i32 undef, i32 12, i32 6, i32 14>
%tmp4 = shufflevector <8 x i8> %tmp1, <8 x i8> %tmp2, <8 x i32> <i32 1, i32 9, i32 3, i32 11, i32 5, i32 undef, i32 undef, i32 15>
%tmp5 = add <8 x i8> %tmp3, %tmp4
ret <8 x i8> %tmp5
}
define <8 x i16> @vtrnQi16_undef(<8 x i16>* %A, <8 x i16>* %B) nounwind {
;CHECK-LABEL: vtrnQi16_undef:
;CHECK: trn1.8h
;CHECK: trn2.8h
;CHECK-NEXT: add.8h
%tmp1 = load <8 x i16>* %A
%tmp2 = load <8 x i16>* %B
%tmp3 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 0, i32 8, i32 undef, i32 undef, i32 4, i32 12, i32 6, i32 14>
%tmp4 = shufflevector <8 x i16> %tmp1, <8 x i16> %tmp2, <8 x i32> <i32 1, i32 undef, i32 3, i32 11, i32 5, i32 13, i32 undef, i32 undef>
%tmp5 = add <8 x i16> %tmp3, %tmp4
ret <8 x i16> %tmp5
}