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[X86][AVX512] Add 512-bit vector ctpop costs + tests

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303342 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2017-05-18 10:42:34 +00:00
parent 1b3695cbc0
commit bf60d089f2
2 changed files with 69 additions and 0 deletions
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6
lib/Target/X86/X86TargetTransformInfo.cpp
View File

@ -1415,6 +1415,10 @@ int X86TTIImpl::getIntrinsicInstrCost(Intrinsic::ID IID, Type *RetTy,
{ ISD::CTLZ, MVT::v16i32, 22 },
{ ISD::CTLZ, MVT::v32i16, 18 },
{ ISD::CTLZ, MVT::v64i8, 17 },
{ ISD::CTPOP, MVT::v8i64, 7 },
{ ISD::CTPOP, MVT::v16i32, 11 },
{ ISD::CTPOP, MVT::v32i16, 9 },
{ ISD::CTPOP, MVT::v64i8, 6 },
{ ISD::CTTZ, MVT::v8i64, 10 },
{ ISD::CTTZ, MVT::v16i32, 14 },
{ ISD::CTTZ, MVT::v32i16, 12 },
@ -1425,6 +1429,8 @@ int X86TTIImpl::getIntrinsicInstrCost(Intrinsic::ID IID, Type *RetTy,
{ ISD::BITREVERSE, MVT::v16i32, 24 },
{ ISD::CTLZ, MVT::v8i64, 29 },
{ ISD::CTLZ, MVT::v16i32, 35 },
{ ISD::CTPOP, MVT::v8i64, 16 },
{ ISD::CTPOP, MVT::v16i32, 24 },
{ ISD::CTTZ, MVT::v8i64, 20 },
{ ISD::CTTZ, MVT::v16i32, 28 },
};

63
test/Analysis/CostModel/X86/ctpop.ll
View File

@ -4,6 +4,8 @@
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=core-avx2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX2 -check-prefix=POPCNT
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver2 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX1 -check-prefix=POPCNT
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=bdver4 -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX -check-prefix=AVX2 -check-prefix=POPCNT
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=knl -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX512 -check-prefix=AVX512F -check-prefix=POPCNT
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=skx -cost-model -analyze | FileCheck %s -check-prefix=CHECK -check-prefix=AVX512 -check-prefix=AVX512BW -check-prefix=POPCNT
; Verify the cost of scalar population count instructions.
@ -56,11 +58,17 @@ declare <8 x i32> @llvm.ctpop.v8i32(<8 x i32>)
declare <16 x i16> @llvm.ctpop.v16i16(<16 x i16>)
declare <32 x i8> @llvm.ctpop.v32i8(<32 x i8>)
declare <8 x i64> @llvm.ctpop.v8i64(<8 x i64>)
declare <16 x i32> @llvm.ctpop.v16i32(<16 x i32>)
declare <32 x i16> @llvm.ctpop.v32i16(<32 x i16>)
declare <64 x i8> @llvm.ctpop.v64i8(<64 x i8>)
define <2 x i64> @var_ctpop_v2i64(<2 x i64> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v2i64':
; SSE2: Found an estimated cost of 12 for instruction: %ctpop
; SSE42: Found an estimated cost of 7 for instruction: %ctpop
; AVX: Found an estimated cost of 7 for instruction: %ctpop
; AVX512: Found an estimated cost of 7 for instruction: %ctpop
%ctpop = call <2 x i64> @llvm.ctpop.v2i64(<2 x i64> %a)
ret <2 x i64> %ctpop
}
@ -71,15 +79,29 @@ define <4 x i64> @var_ctpop_v4i64(<4 x i64> %a) {
; SSE42: Found an estimated cost of 14 for instruction: %ctpop
; AVX1: Found an estimated cost of 16 for instruction: %ctpop
; AVX2: Found an estimated cost of 7 for instruction: %ctpop
; AVX512: Found an estimated cost of 7 for instruction: %ctpop
%ctpop = call <4 x i64> @llvm.ctpop.v4i64(<4 x i64> %a)
ret <4 x i64> %ctpop
}
define <8 x i64> @var_ctpop_v8i64(<8 x i64> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v8i64':
; SSE2: Found an estimated cost of 48 for instruction: %ctpop
; SSE42: Found an estimated cost of 28 for instruction: %ctpop
; AVX1: Found an estimated cost of 32 for instruction: %ctpop
; AVX2: Found an estimated cost of 14 for instruction: %ctpop
; AVX512F: Found an estimated cost of 16 for instruction: %ctpop
; AVX512BW: Found an estimated cost of 7 for instruction: %ctpop
%ctpop = call <8 x i64> @llvm.ctpop.v8i64(<8 x i64> %a)
ret <8 x i64> %ctpop
}
define <4 x i32> @var_ctpop_v4i32(<4 x i32> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v4i32':
; SSE2: Found an estimated cost of 15 for instruction: %ctpop
; SSE42: Found an estimated cost of 11 for instruction: %ctpop
; AVX: Found an estimated cost of 11 for instruction: %ctpop
; AVX512: Found an estimated cost of 11 for instruction: %ctpop
%ctpop = call <4 x i32> @llvm.ctpop.v4i32(<4 x i32> %a)
ret <4 x i32> %ctpop
}
@ -90,15 +112,29 @@ define <8 x i32> @var_ctpop_v8i32(<8 x i32> %a) {
; SSE42: Found an estimated cost of 22 for instruction: %ctpop
; AVX1: Found an estimated cost of 24 for instruction: %ctpop
; AVX2: Found an estimated cost of 11 for instruction: %ctpop
; AVX512: Found an estimated cost of 11 for instruction: %ctpop
%ctpop = call <8 x i32> @llvm.ctpop.v8i32(<8 x i32> %a)
ret <8 x i32> %ctpop
}
define <16 x i32> @var_ctpop_v16i32(<16 x i32> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v16i32':
; SSE2: Found an estimated cost of 60 for instruction: %ctpop
; SSE42: Found an estimated cost of 44 for instruction: %ctpop
; AVX1: Found an estimated cost of 48 for instruction: %ctpop
; AVX2: Found an estimated cost of 22 for instruction: %ctpop
; AVX512F: Found an estimated cost of 24 for instruction: %ctpop
; AVX512BW: Found an estimated cost of 11 for instruction: %ctpop
%ctpop = call <16 x i32> @llvm.ctpop.v16i32(<16 x i32> %a)
ret <16 x i32> %ctpop
}
define <8 x i16> @var_ctpop_v8i16(<8 x i16> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v8i16':
; SSE2: Found an estimated cost of 13 for instruction: %ctpop
; SSE42: Found an estimated cost of 9 for instruction: %ctpop
; AVX: Found an estimated cost of 9 for instruction: %ctpop
; AVX512: Found an estimated cost of 9 for instruction: %ctpop
%ctpop = call <8 x i16> @llvm.ctpop.v8i16(<8 x i16> %a)
ret <8 x i16> %ctpop
}
@ -109,15 +145,29 @@ define <16 x i16> @var_ctpop_v16i16(<16 x i16> %a) {
; SSE42: Found an estimated cost of 18 for instruction: %ctpop
; AVX1: Found an estimated cost of 20 for instruction: %ctpop
; AVX2: Found an estimated cost of 9 for instruction: %ctpop
; AVX512: Found an estimated cost of 9 for instruction: %ctpop
%ctpop = call <16 x i16> @llvm.ctpop.v16i16(<16 x i16> %a)
ret <16 x i16> %ctpop
}
define <32 x i16> @var_ctpop_v32i16(<32 x i16> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v32i16':
; SSE2: Found an estimated cost of 52 for instruction: %ctpop
; SSE42: Found an estimated cost of 36 for instruction: %ctpop
; AVX1: Found an estimated cost of 40 for instruction: %ctpop
; AVX2: Found an estimated cost of 18 for instruction: %ctpop
; AVX512F: Found an estimated cost of 18 for instruction: %ctpop
; AVX512BW: Found an estimated cost of 9 for instruction: %ctpop
%ctpop = call <32 x i16> @llvm.ctpop.v32i16(<32 x i16> %a)
ret <32 x i16> %ctpop
}
define <16 x i8> @var_ctpop_v16i8(<16 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v16i8':
; SSE2: Found an estimated cost of 10 for instruction: %ctpop
; SSE42: Found an estimated cost of 6 for instruction: %ctpop
; AVX: Found an estimated cost of 6 for instruction: %ctpop
; AVX512: Found an estimated cost of 6 for instruction: %ctpop
%ctpop = call <16 x i8> @llvm.ctpop.v16i8(<16 x i8> %a)
ret <16 x i8> %ctpop
}
@ -128,6 +178,19 @@ define <32 x i8> @var_ctpop_v32i8(<32 x i8> %a) {
; SSE42: Found an estimated cost of 12 for instruction: %ctpop
; AVX1: Found an estimated cost of 14 for instruction: %ctpop
; AVX2: Found an estimated cost of 6 for instruction: %ctpop
; AVX512: Found an estimated cost of 6 for instruction: %ctpop
%ctpop = call <32 x i8> @llvm.ctpop.v32i8(<32 x i8> %a)
ret <32 x i8> %ctpop
}
define <64 x i8> @var_ctpop_v64i8(<64 x i8> %a) {
; CHECK: 'Cost Model Analysis' for function 'var_ctpop_v64i8':
; SSE2: Found an estimated cost of 40 for instruction: %ctpop
; SSE42: Found an estimated cost of 24 for instruction: %ctpop
; AVX1: Found an estimated cost of 28 for instruction: %ctpop
; AVX2: Found an estimated cost of 12 for instruction: %ctpop
; AVX512F: Found an estimated cost of 12 for instruction: %ctpop
; AVX512BW: Found an estimated cost of 6 for instruction: %ctpop
%ctpop = call <64 x i8> @llvm.ctpop.v64i8(<64 x i8> %a)
ret <64 x i8> %ctpop
}