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[CostModel][X86] Add test coverage for sub-64bit vXi8 multiplication costs

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These can be cheaply promoted to a single v8i16 vector for multiplication
This commit is contained in:
Simon Pilgrim 2021-05-22 11:33:36 +01:00
parent 9bd0dc83b5
commit 02918f1079
1 changed files with 33 additions and 0 deletions
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33
llvm/test/Analysis/CostModel/X86/arith.ll
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@ -943,6 +943,9 @@ define i32 @mul(i32 %arg) {
; SSSE3-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = mul <16 x i16> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V32I16 = mul <32 x i16> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V2I8 = mul <2 x i8> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V4I8 = mul <4 x i8> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V8I8 = mul <8 x i8> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = mul <16 x i8> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 24 for instruction: %V32I8 = mul <32 x i8> undef, undef
; SSSE3-NEXT: Cost Model: Found an estimated cost of 48 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -962,6 +965,9 @@ define i32 @mul(i32 %arg) {
; SSE42-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = mul <16 x i16> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V32I16 = mul <32 x i16> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V2I8 = mul <2 x i8> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V4I8 = mul <4 x i8> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V8I8 = mul <8 x i8> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = mul <16 x i8> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 24 for instruction: %V32I8 = mul <32 x i8> undef, undef
; SSE42-NEXT: Cost Model: Found an estimated cost of 48 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -981,6 +987,9 @@ define i32 @mul(i32 %arg) {
; AVX1-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V16I16 = mul <16 x i16> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V32I16 = mul <32 x i16> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V2I8 = mul <2 x i8> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V4I8 = mul <4 x i8> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V8I8 = mul <8 x i8> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = mul <16 x i8> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 26 for instruction: %V32I8 = mul <32 x i8> undef, undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 52 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1000,6 +1009,9 @@ define i32 @mul(i32 %arg) {
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = mul <16 x i16> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = mul <32 x i16> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V2I8 = mul <2 x i8> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V4I8 = mul <4 x i8> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V8I8 = mul <8 x i8> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 7 for instruction: %V16I8 = mul <16 x i8> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 17 for instruction: %V32I8 = mul <32 x i8> undef, undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 34 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1019,6 +1031,9 @@ define i32 @mul(i32 %arg) {
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = mul <16 x i16> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = mul <32 x i16> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V2I8 = mul <2 x i8> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V4I8 = mul <4 x i8> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V8I8 = mul <8 x i8> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V16I8 = mul <16 x i8> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %V32I8 = mul <32 x i8> undef, undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 26 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1038,6 +1053,9 @@ define i32 @mul(i32 %arg) {
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = mul <16 x i16> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32I16 = mul <32 x i16> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V2I8 = mul <2 x i8> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V4I8 = mul <4 x i8> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V8I8 = mul <8 x i8> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V16I8 = mul <16 x i8> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V32I8 = mul <32 x i8> undef, undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 11 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1057,6 +1075,9 @@ define i32 @mul(i32 %arg) {
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = mul <16 x i16> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = mul <32 x i16> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V2I8 = mul <2 x i8> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V4I8 = mul <4 x i8> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V8I8 = mul <8 x i8> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %V16I8 = mul <16 x i8> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %V32I8 = mul <32 x i8> undef, undef
; AVX512DQ-NEXT: Cost Model: Found an estimated cost of 26 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1076,6 +1097,9 @@ define i32 @mul(i32 %arg) {
; SLM-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V16I16 = mul <16 x i16> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V32I16 = mul <32 x i16> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V2I8 = mul <2 x i8> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V4I8 = mul <4 x i8> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V8I8 = mul <8 x i8> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 14 for instruction: %V16I8 = mul <16 x i8> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 28 for instruction: %V32I8 = mul <32 x i8> undef, undef
; SLM-NEXT: Cost Model: Found an estimated cost of 56 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1095,6 +1119,9 @@ define i32 @mul(i32 %arg) {
; GLM-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = mul <16 x i16> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V32I16 = mul <32 x i16> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V2I8 = mul <2 x i8> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V4I8 = mul <4 x i8> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V8I8 = mul <8 x i8> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = mul <16 x i8> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 24 for instruction: %V32I8 = mul <32 x i8> undef, undef
; GLM-NEXT: Cost Model: Found an estimated cost of 48 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1114,6 +1141,9 @@ define i32 @mul(i32 %arg) {
; BTVER2-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V16I16 = mul <16 x i16> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 8 for instruction: %V32I16 = mul <32 x i16> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = mul i8 undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V2I8 = mul <2 x i8> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V4I8 = mul <4 x i8> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V8I8 = mul <8 x i8> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 12 for instruction: %V16I8 = mul <16 x i8> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 26 for instruction: %V32I8 = mul <32 x i8> undef, undef
; BTVER2-NEXT: Cost Model: Found an estimated cost of 52 for instruction: %V64I8 = mul <64 x i8> undef, undef
@ -1135,6 +1165,9 @@ define i32 @mul(i32 %arg) {
%V32I16 = mul <32 x i16> undef, undef
%I8 = mul i8 undef, undef
%V2I8 = mul <2 x i8> undef, undef
%V4I8 = mul <4 x i8> undef, undef
%V8I8 = mul <8 x i8> undef, undef
%V16I8 = mul <16 x i8> undef, undef
%V32I8 = mul <32 x i8> undef, undef
%V64I8 = mul <64 x i8> undef, undef