123 lines
4.1 KiB
LLVM
123 lines
4.1 KiB
LLVM
; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s
|
|
|
|
define <4 x i16> @shuffle1(<4 x i16> %v) {
|
|
; CHECK-LABEL: shuffle1:
|
|
; CHECK: dup v0.2s, v0.s[0]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <4 x i16> %v, <4 x i16> undef, <4 x i32> <i32 0, i32 undef, i32 0, i32 1>
|
|
ret <4 x i16> %res
|
|
}
|
|
|
|
define <4 x i16> @shuffle2(<4 x i16> %v) {
|
|
; CHECK-LABEL: shuffle2:
|
|
; CHECK: dup v0.2s, v0.s[1]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <4 x i16> %v, <4 x i16> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 3>
|
|
ret <4 x i16> %res
|
|
}
|
|
|
|
define <8 x i16> @shuffle3(<8 x i16> %v) {
|
|
; CHECK-LABEL: shuffle3:
|
|
; CHECK: dup v0.2d, v0.d[0]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <8 x i16> %v, <8 x i16> undef, <8 x i32> <i32 undef, i32 undef, i32 2, i32 3,
|
|
i32 undef, i32 1, i32 undef, i32 3>
|
|
ret <8 x i16> %res
|
|
}
|
|
|
|
define <4 x i32> @shuffle4(<4 x i32> %v) {
|
|
; CHECK-LABEL: shuffle4:
|
|
; CHECK: dup v0.2d, v0.d[0]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
|
|
ret <4 x i32> %res
|
|
}
|
|
|
|
define <16 x i8> @shuffle5(<16 x i8> %v) {
|
|
; CHECK-LABEL: shuffle5:
|
|
; CHECK: dup v0.4s, v0.s[2]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <16 x i8> %v, <16 x i8> undef, <16 x i32> <i32 8, i32 9, i32 10, i32 11,
|
|
i32 8, i32 9, i32 10, i32 11,
|
|
i32 8, i32 9, i32 10, i32 11,
|
|
i32 8, i32 9, i32 10, i32 11>
|
|
ret <16 x i8> %res
|
|
}
|
|
|
|
define <16 x i8> @shuffle6(<16 x i8> %v) {
|
|
; CHECK-LABEL: shuffle6:
|
|
; CHECK: dup v0.2d, v0.d[1]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <16 x i8> %v, <16 x i8> undef, <16 x i32> <i32 8, i32 9, i32 10, i32 11,
|
|
i32 12, i32 13, i32 14, i32 15,
|
|
i32 8, i32 9, i32 10, i32 11,
|
|
i32 12, i32 13, i32 14, i32 15>
|
|
ret <16 x i8> %res
|
|
}
|
|
|
|
define <8 x i8> @shuffle7(<8 x i8> %v) {
|
|
; CHECK-LABEL: shuffle7:
|
|
; CHECK: dup v0.2s, v0.s[1]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <8 x i8> %v, <8 x i8> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 undef,
|
|
i32 undef, i32 5, i32 6, i32 undef>
|
|
ret <8 x i8> %res
|
|
}
|
|
|
|
define <8 x i8> @shuffle8(<8 x i8> %v) {
|
|
; CHECK-LABEL: shuffle8:
|
|
; CHECK: dup v0.4h, v0.h[3]
|
|
; CHECK-NEXT: ret
|
|
entry:
|
|
%res = shufflevector <8 x i8> %v, <8 x i8> undef, <8 x i32> <i32 6, i32 7, i32 6, i32 undef,
|
|
i32 undef, i32 7, i32 6, i32 undef>
|
|
ret <8 x i8> %res
|
|
}
|
|
|
|
; No blocks
|
|
define <8 x i8> @shuffle_not1(<16 x i8> %v) {
|
|
; CHECK-LABEL: shuffle_not1:
|
|
; CHECK: ext v0.16b, v0.16b, v0.16b, #2
|
|
%res = shufflevector <16 x i8> %v, <16 x i8> undef, <8 x i32> <i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9>
|
|
ret <8 x i8> %res
|
|
}
|
|
|
|
; Block is not a proper lane
|
|
define <4 x i32> @shuffle_not2(<4 x i32> %v) {
|
|
; CHECK-LABEL: shuffle_not2:
|
|
; CHECK-NOT: dup
|
|
; CHECK: ext
|
|
; CHECK: ret
|
|
entry:
|
|
%res = shufflevector <4 x i32> %v, <4 x i32> undef, <4 x i32> <i32 1, i32 2, i32 1, i32 2>
|
|
ret <4 x i32> %res
|
|
}
|
|
|
|
; Block size is equal to vector size
|
|
define <4 x i16> @shuffle_not3(<4 x i16> %v) {
|
|
; CHECK-LABEL: shuffle_not3:
|
|
; CHECK-NOT: dup
|
|
; CHECK: ret
|
|
entry:
|
|
%res = shufflevector <4 x i16> %v, <4 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
|
|
ret <4 x i16> %res
|
|
}
|
|
|
|
; Blocks mismatch
|
|
define <8 x i8> @shuffle_not4(<8 x i8> %v) {
|
|
; CHECK-LABEL: shuffle_not4:
|
|
; CHECK-NOT: dup
|
|
; CHECK: ret
|
|
entry:
|
|
%res = shufflevector <8 x i8> %v, <8 x i8> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 undef,
|
|
i32 undef, i32 5, i32 5, i32 undef>
|
|
ret <8 x i8> %res
|
|
}
|