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[CostModel][AVX512BW] Add v32i16 vector shift costs for avx512bw targets.

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llvm-svn: 291354
This commit is contained in:
Simon Pilgrim 2017-01-07 17:54:10 +00:00
parent bc52fde00e
commit 5eef6afa17
4 changed files with 16 additions and 12 deletions
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4
lib/Target/X86/X86TargetTransformInfo.cpp
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@ -219,6 +219,10 @@ int X86TTIImpl::getArithmeticInstrCost(
return LT.first * Entry->Cost;
static const CostTblEntry AVX512BWCostTable[] = {
{ ISD::SHL, MVT::v32i16, 1 }, // vpsllvw
{ ISD::SRL, MVT::v32i16, 1 }, // vpsrlvw
{ ISD::SRA, MVT::v32i16, 1 }, // vpsravw
{ ISD::MUL, MVT::v64i8, 11 }, // extend/pmullw/trunc sequence.
{ ISD::MUL, MVT::v32i8, 4 }, // extend/pmullw/trunc sequence.
{ ISD::MUL, MVT::v16i8, 4 }, // extend/pmullw/trunc sequence.

8
test/Analysis/CostModel/X86/vshift-ashr-cost.ll
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@ -120,7 +120,7 @@ define <32 x i16> @var_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%shift = ashr <32 x i16> %a, %b
ret <32 x i16> %shift
@ -282,7 +282,7 @@ define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%splat = shufflevector <32 x i16> %b, <32 x i16> undef, <32 x i32> zeroinitializer
%shift = ashr <32 x i16> %a, %splat
@ -439,7 +439,7 @@ define <32 x i16> @constant_shift_v32i16(<32 x i16> %a) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%shift = ashr <32 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, 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 <32 x i16> %shift
@ -592,7 +592,7 @@ define <32 x i16> @splatconstant_shift_v32i16(<32 x i16> %a) {
; AVX: Found an estimated cost of 4 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%shift = ashr <32 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, 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 <32 x i16> %shift

8
test/Analysis/CostModel/X86/vshift-lshr-cost.ll
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@ -123,7 +123,7 @@ define <32 x i16> @var_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%shift = lshr <32 x i16> %a, %b
ret <32 x i16> %shift
@ -287,7 +287,7 @@ define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%splat = shufflevector <32 x i16> %b, <32 x i16> undef, <32 x i32> zeroinitializer
%shift = lshr <32 x i16> %a, %splat
@ -447,7 +447,7 @@ define <32 x i16> @constant_shift_v32i16(<32 x i16> %a) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%shift = lshr <32 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, 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 <32 x i16> %shift
@ -603,7 +603,7 @@ define <32 x i16> @splatconstant_shift_v32i16(<32 x i16> %a) {
; AVX: Found an estimated cost of 4 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 8 for instruction: %shift
%shift = lshr <32 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, 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 <32 x i16> %shift

8
test/Analysis/CostModel/X86/vshift-shl-cost.ll
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@ -124,7 +124,7 @@ define <32 x i16> @var_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%shift = shl <32 x i16> %a, %b
ret <32 x i16> %shift
@ -288,7 +288,7 @@ define <32 x i16> @splatvar_shift_v32i16(<32 x i16> %a, <32 x i16> %b) {
; AVX: Found an estimated cost of 56 for instruction: %shift
; AVX2: Found an estimated cost of 20 for instruction: %shift
; AVX512F: Found an estimated cost of 20 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 1 for instruction: %shift
; XOP: Found an estimated cost of 4 for instruction: %shift
%splat = shufflevector <32 x i16> %b, <32 x i16> undef, <32 x i32> zeroinitializer
%shift = shl <32 x i16> %a, %splat
@ -449,7 +449,7 @@ define <32 x i16> @constant_shift_v32i16(<32 x i16> %a) {
; AVX: Found an estimated cost of 8 for instruction: %shift
; AVX2: Found an estimated cost of 2 for instruction: %shift
; AVX512F: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: 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 2 for instruction: %shift
%shift = shl <32 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, 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>
@ -607,7 +607,7 @@ define <32 x i16> @splatconstant_shift_v32i16(<32 x i16> %a) {
; AVX: Found an estimated cost of 4 for instruction: %shift
; AVX2: Found an estimated cost of 2 for instruction: %shift
; AVX512F: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: Found an estimated cost of 2 for instruction: %shift
; AVX512BW: 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 2 for instruction: %shift
%shift = shl <32 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, 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>