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llvm-mirror/test/Analysis/CostModel/X86/vshift-lshr-cost.ll
Simon Pilgrim 9a5c4b864b [X86][SSE] Add SSE41/AVX1 costs for vector shifts.
We were defaulting to SSE2 costs which weren't taking into account the availability of PBLENDW/PBLENDVB to improve merging of per-element shift results.

llvm-svn: 284939
2016-10-23 16:49:04 +00:00

401 lines
20 KiB
LLVM

; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -mattr=+sse2,-sse4.1 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE2
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=SSE41
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7-avx -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core-avx2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX2
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=XOP -check-prefix=XOPAVX
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver4 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=XOP -check-prefix=XOPAVX2
; Verify the cost of vector logical shift right instructions.
;
; Variable Shifts
;
define <2 x i64> @var_shift_v2i64(<2 x i64> %a, <2 x i64> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v2i64':
; SSE2: Found an estimated cost of 4 for instruction: %shift
; SSE41: Found an estimated cost of 4 for instruction: %shift
; AVX: Found an estimated cost of 4 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <2 x i64> %a, %b
ret <2 x i64> %shift
}
define <4 x i64> @var_shift_v4i64(<4 x i64> %a, <4 x i64> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v4i64':
; SSE2: Found an estimated cost of 8 for instruction: %shift
; SSE41: Found an estimated cost of 8 for instruction: %shift
; AVX: Found an estimated cost of 8 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <4 x i64> %a, %b
ret <4 x i64> %shift
}
define <4 x i32> @var_shift_v4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v4i32':
; SSE2: Found an estimated cost of 16 for instruction: %shift
; SSE41: Found an estimated cost of 11 for instruction: %shift
; AVX: Found an estimated cost of 11 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <4 x i32> %a, %b
ret <4 x i32> %shift
}
define <8 x i32> @var_shift_v8i32(<8 x i32> %a, <8 x i32> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v8i32':
; SSE2: Found an estimated cost of 32 for instruction: %shift
; SSE41: Found an estimated cost of 22 for instruction: %shift
; AVX: Found an estimated cost of 22 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <8 x i32> %a, %b
ret <8 x i32> %shift
}
define <8 x i16> @var_shift_v8i16(<8 x i16> %a, <8 x i16> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v8i16':
; SSE2: Found an estimated cost of 32 for instruction: %shift
; SSE41: Found an estimated cost of 14 for instruction: %shift
; AVX: Found an estimated cost of 14 for instruction: %shift
; AVX2: Found an estimated cost of 14 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <8 x i16> %a, %b
ret <8 x i16> %shift
}
define <16 x i16> @var_shift_v16i16(<16 x i16> %a, <16 x i16> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v16i16':
; SSE2: Found an estimated cost of 64 for instruction: %shift
; SSE41: Found an estimated cost of 28 for instruction: %shift
; AVX: Found an estimated cost of 28 for instruction: %shift
; AVX2: Found an estimated cost of 10 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <16 x i16> %a, %b
ret <16 x i16> %shift
}
define <16 x i8> @var_shift_v16i8(<16 x i8> %a, <16 x i8> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v16i8':
; SSE2: Found an estimated cost of 26 for instruction: %shift
; SSE41: Found an estimated cost of 12 for instruction: %shift
; AVX: Found an estimated cost of 12 for instruction: %shift
; AVX2: Found an estimated cost of 12 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <16 x i8> %a, %b
ret <16 x i8> %shift
}
define <32 x i8> @var_shift_v32i8(<32 x i8> %a, <32 x i8> %b) {
; CHECK: 'Cost Model Analysis' for function 'var_shift_v32i8':
; SSE2: Found an estimated cost of 52 for instruction: %shift
; SSE41: Found an estimated cost of 24 for instruction: %shift
; AVX: Found an estimated cost of 24 for instruction: %shift
; AVX2: Found an estimated cost of 11 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <32 x i8> %a, %b
ret <32 x i8> %shift
}
;
; Uniform Variable Shifts
;
define <2 x i64> @splatvar_shift_v2i64(<2 x i64> %a, <2 x i64> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v2i64':
; SSE2: Found an estimated cost of 4 for instruction: %shift
; SSE41: Found an estimated cost of 4 for instruction: %shift
; AVX: Found an estimated cost of 4 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%splat = shufflevector <2 x i64> %b, <2 x i64> undef, <2 x i32> zeroinitializer
%shift = lshr <2 x i64> %a, %splat
ret <2 x i64> %shift
}
define <4 x i64> @splatvar_shift_v4i64(<4 x i64> %a, <4 x i64> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i64':
; SSE2: Found an estimated cost of 8 for instruction: %shift
; SSE41: Found an estimated cost of 8 for instruction: %shift
; AVX: Found an estimated cost of 8 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%splat = shufflevector <4 x i64> %b, <4 x i64> undef, <4 x i32> zeroinitializer
%shift = lshr <4 x i64> %a, %splat
ret <4 x i64> %shift
}
define <4 x i32> @splatvar_shift_v4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v4i32':
; SSE2: Found an estimated cost of 16 for instruction: %shift
; SSE41: Found an estimated cost of 11 for instruction: %shift
; AVX: Found an estimated cost of 11 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%splat = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> zeroinitializer
%shift = lshr <4 x i32> %a, %splat
ret <4 x i32> %shift
}
define <8 x i32> @splatvar_shift_v8i32(<8 x i32> %a, <8 x i32> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i32':
; SSE2: Found an estimated cost of 32 for instruction: %shift
; SSE41: Found an estimated cost of 22 for instruction: %shift
; AVX: Found an estimated cost of 22 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%splat = shufflevector <8 x i32> %b, <8 x i32> undef, <8 x i32> zeroinitializer
%shift = lshr <8 x i32> %a, %splat
ret <8 x i32> %shift
}
define <8 x i16> @splatvar_shift_v8i16(<8 x i16> %a, <8 x i16> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v8i16':
; SSE2: Found an estimated cost of 32 for instruction: %shift
; SSE41: Found an estimated cost of 14 for instruction: %shift
; AVX: Found an estimated cost of 14 for instruction: %shift
; AVX2: Found an estimated cost of 14 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%splat = shufflevector <8 x i16> %b, <8 x i16> undef, <8 x i32> zeroinitializer
%shift = lshr <8 x i16> %a, %splat
ret <8 x i16> %shift
}
define <16 x i16> @splatvar_shift_v16i16(<16 x i16> %a, <16 x i16> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i16':
; SSE2: Found an estimated cost of 64 for instruction: %shift
; SSE41: Found an estimated cost of 28 for instruction: %shift
; AVX: Found an estimated cost of 28 for instruction: %shift
; AVX2: Found an estimated cost of 10 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%splat = shufflevector <16 x i16> %b, <16 x i16> undef, <16 x i32> zeroinitializer
%shift = lshr <16 x i16> %a, %splat
ret <16 x i16> %shift
}
define <16 x i8> @splatvar_shift_v16i8(<16 x i8> %a, <16 x i8> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v16i8':
; SSE2: Found an estimated cost of 26 for instruction: %shift
; SSE41: Found an estimated cost of 12 for instruction: %shift
; AVX: Found an estimated cost of 12 for instruction: %shift
; AVX2: Found an estimated cost of 12 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%splat = shufflevector <16 x i8> %b, <16 x i8> undef, <16 x i32> zeroinitializer
%shift = lshr <16 x i8> %a, %splat
ret <16 x i8> %shift
}
define <32 x i8> @splatvar_shift_v32i8(<32 x i8> %a, <32 x i8> %b) {
; CHECK: 'Cost Model Analysis' for function 'splatvar_shift_v32i8':
; SSE2: Found an estimated cost of 52 for instruction: %shift
; SSE41: Found an estimated cost of 24 for instruction: %shift
; AVX: Found an estimated cost of 24 for instruction: %shift
; AVX2: Found an estimated cost of 11 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%splat = shufflevector <32 x i8> %b, <32 x i8> undef, <32 x i32> zeroinitializer
%shift = lshr <32 x i8> %a, %splat
ret <32 x i8> %shift
}
;
; Constant Shifts
;
define <2 x i64> @constant_shift_v2i64(<2 x i64> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v2i64':
; SSE2: Found an estimated cost of 4 for instruction: %shift
; SSE41: Found an estimated cost of 4 for instruction: %shift
; AVX: Found an estimated cost of 4 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <2 x i64> %a, <i64 1, i64 7>
ret <2 x i64> %shift
}
define <4 x i64> @constant_shift_v4i64(<4 x i64> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v4i64':
; SSE2: Found an estimated cost of 8 for instruction: %shift
; SSE41: Found an estimated cost of 8 for instruction: %shift
; AVX: Found an estimated cost of 8 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <4 x i64> %a, <i64 1, i64 7, i64 15, i64 31>
ret <4 x i64> %shift
}
define <4 x i32> @constant_shift_v4i32(<4 x i32> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v4i32':
; SSE2: Found an estimated cost of 16 for instruction: %shift
; SSE41: Found an estimated cost of 11 for instruction: %shift
; AVX: Found an estimated cost of 11 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <4 x i32> %a, <i32 4, i32 5, i32 6, i32 7>
ret <4 x i32> %shift
}
define <8 x i32> @constant_shift_v8i32(<8 x i32> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v8i32':
; SSE2: Found an estimated cost of 32 for instruction: %shift
; SSE41: Found an estimated cost of 22 for instruction: %shift
; AVX: Found an estimated cost of 22 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <8 x i32> %a, <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
ret <8 x i32> %shift
}
define <8 x i16> @constant_shift_v8i16(<8 x i16> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v8i16':
; SSE2: Found an estimated cost of 32 for instruction: %shift
; SSE41: Found an estimated cost of 14 for instruction: %shift
; AVX: Found an estimated cost of 14 for instruction: %shift
; AVX2: Found an estimated cost of 14 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <8 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
ret <8 x i16> %shift
}
define <16 x i16> @constant_shift_v16i16(<16 x i16> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v16i16':
; SSE2: Found an estimated cost of 64 for instruction: %shift
; SSE41: Found an estimated cost of 28 for instruction: %shift
; AVX: Found an estimated cost of 28 for instruction: %shift
; AVX2: Found an estimated cost of 10 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <16 x i16> %a, <i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7, i16 0, i16 1, i16 2, i16 3, i16 4, i16 5, i16 6, i16 7>
ret <16 x i16> %shift
}
define <16 x i8> @constant_shift_v16i8(<16 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v16i8':
; SSE2: Found an estimated cost of 26 for instruction: %shift
; SSE41: Found an estimated cost of 12 for instruction: %shift
; AVX: Found an estimated cost of 12 for instruction: %shift
; AVX2: Found an estimated cost of 12 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <16 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
ret <16 x i8> %shift
}
define <32 x i8> @constant_shift_v32i8(<32 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'constant_shift_v32i8':
; SSE2: Found an estimated cost of 52 for instruction: %shift
; SSE41: Found an estimated cost of 24 for instruction: %shift
; AVX: Found an estimated cost of 24 for instruction: %shift
; AVX2: Found an estimated cost of 11 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <32 x i8> %a, <i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0, i8 0, i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 7, i8 6, i8 5, i8 4, i8 3, i8 2, i8 1, i8 0>
ret <32 x i8> %shift
}
;
; Uniform Constant Shifts
;
define <2 x i64> @splatconstant_shift_v2i64(<2 x i64> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v2i64':
; SSE2: Found an estimated cost of 1 for instruction: %shift
; SSE41: Found an estimated cost of 1 for instruction: %shift
; AVX: Found an estimated cost of 1 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <2 x i64> %a, <i64 7, i64 7>
ret <2 x i64> %shift
}
define <4 x i64> @splatconstant_shift_v4i64(<4 x i64> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v4i64':
; SSE2: Found an estimated cost of 2 for instruction: %shift
; SSE41: Found an estimated cost of 2 for instruction: %shift
; AVX: Found an estimated cost of 2 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <4 x i64> %a, <i64 7, i64 7, i64 7, i64 7>
ret <4 x i64> %shift
}
define <4 x i32> @splatconstant_shift_v4i32(<4 x i32> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v4i32':
; SSE2: Found an estimated cost of 1 for instruction: %shift
; SSE41: Found an estimated cost of 1 for instruction: %shift
; AVX: Found an estimated cost of 1 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 2 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <4 x i32> %a, <i32 5, i32 5, i32 5, i32 5>
ret <4 x i32> %shift
}
define <8 x i32> @splatconstant_shift_v8i32(<8 x i32> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v8i32':
; SSE2: Found an estimated cost of 2 for instruction: %shift
; SSE41: Found an estimated cost of 2 for instruction: %shift
; AVX: Found an estimated cost of 2 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOPAVX: Found an estimated cost of 4 for instruction: %shift
; XOPAVX2: Found an estimated cost of 1 for instruction: %shift
%shift = lshr <8 x i32> %a, <i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5>
ret <8 x i32> %shift
}
define <8 x i16> @splatconstant_shift_v8i16(<8 x i16> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v8i16':
; SSE2: Found an estimated cost of 1 for instruction: %shift
; SSE41: Found an estimated cost of 1 for instruction: %shift
; AVX: Found an estimated cost of 1 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <8 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
ret <8 x i16> %shift
}
define <16 x i16> @splatconstant_shift_v16i16(<16 x i16> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v16i16':
; SSE2: Found an estimated cost of 2 for instruction: %shift
; SSE41: Found an estimated cost of 2 for instruction: %shift
; AVX: Found an estimated cost of 2 for instruction: %shift
; AVX2: Found an estimated cost of 10 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <16 x i16> %a, <i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3, i16 3>
ret <16 x i16> %shift
}
define <16 x i8> @splatconstant_shift_v16i8(<16 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v16i8':
; SSE2: Found an estimated cost of 1 for instruction: %shift
; SSE41: Found an estimated cost of 1 for instruction: %shift
; AVX: Found an estimated cost of 1 for instruction: %shift
; AVX2: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 2 for instruction: %shift
%shift = lshr <16 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <16 x i8> %shift
}
define <32 x i8> @splatconstant_shift_v32i8(<32 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'splatconstant_shift_v32i8':
; SSE2: Found an estimated cost of 2 for instruction: %shift
; SSE41: Found an estimated cost of 2 for instruction: %shift
; AVX: Found an estimated cost of 2 for instruction: %shift
; AVX2: Found an estimated cost of 11 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = lshr <32 x i8> %a, <i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3, i8 3>
ret <32 x i8> %shift
}