[PATCH] D113609: [X86][Costmodel] `getReplicationShuffleCost()`: promote 16 bit-wide elements to 32 bit when no AVX512BW

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: llvm/test/Analysis/CostModel/X86/shuffle-replication-i16.ll:170-173
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %vf8 = shufflevector <8 x i16> undef, <8 x i16> poison, <24 x i32> <i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 138 for instruction: %vf16 = shufflevector <16 x i16> undef, <16 x i16> poison, <48 x i32> <i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 285 for instruction: %vf32 = shufflevector <32 x i16> undef, <32 x i16> poison, <96 x i32> <i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 570 for instruction: %vf64 = shufflevector <64 x i16> undef, <64 x i16> poison, <192 x i32> <i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 32, i32 32, i32 32, i32 33, i32 33, i32 33, i32 34, i32 34, i32 34, i32 35, i32 35, i32 35, i32 36, i32 36, i32 36, i32 37, i32 37, i32 37, i32 38, i32 38, i32 38, i32 39, i32 39, i32 39, i32 40, i32 40, i32 40, i32 41, i32 41, i32 41, i32 42, i32 42, i32 42, i32 43, i32 43, i32 43, i32 44, i32 44, i32 44, i32 45, i32 45, i32 45, i32 46, i32 46, i32 46, i32 47, i32 47, i32 47, i32 48, i32 48, i32 48, i32 49, i32 49, i32 49, i32 50, i32 50, i32 50, i32 51, i32 51, i32 51, i32 52, i32 52, i32 52, i32 53, i32 53, i32 53, i32 54, i32 54, i32 54, i32 55, i32 55, i32 55, i32 56, i32 56, i32 56, i32 57, i32 57, i32 57, i32 58, i32 58, i32 58, i32 59, i32 59, i32 59, i32 60, i32 60, i32 60, i32 61, i32 61, i32 61, i32 62, i32 62, i32 62, i32 63, i32 63, i32 63>
----------------
Worse than scalarization cost


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Comment at: llvm/test/Analysis/CostModel/X86/shuffle-replication-i16.ll:351-355
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 59 for instruction: %vf4 = shufflevector <4 x i16> undef, <4 x i16> poison, <20 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 113 for instruction: %vf8 = shufflevector <8 x i16> undef, <8 x i16> poison, <40 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 232 for instruction: %vf16 = shufflevector <16 x i16> undef, <16 x i16> poison, <80 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 473 for instruction: %vf32 = shufflevector <32 x i16> undef, <32 x i16> poison, <160 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 31, i32 31>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 946 for instruction: %vf64 = shufflevector <64 x i16> undef, <64 x i16> poison, <320 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 31, i32 31, i32 32, i32 32, i32 32, i32 32, i32 32, i32 33, i32 33, i32 33, i32 33, i32 33, i32 34, i32 34, i32 34, i32 34, i32 34, i32 35, i32 35, i32 35, i32 35, i32 35, i32 36, i32 36, i32 36, i32 36, i32 36, i32 37, i32 37, i32 37, i32 37, i32 37, i32 38, i32 38, i32 38, i32 38, i32 38, i32 39, i32 39, i32 39, i32 39, i32 39, i32 40, i32 40, i32 40, i32 40, i32 40, i32 41, i32 41, i32 41, i32 41, i32 41, i32 42, i32 42, i32 42, i32 42, i32 42, i32 43, i32 43, i32 43, i32 43, i32 43, i32 44, i32 44, i32 44, i32 44, i32 44, i32 45, i32 45, i32 45, i32 45, i32 45, i32 46, i32 46, i32 46, i32 46, i32 46, i32 47, i32 47, i32 47, i32 47, i32 47, i32 48, i32 48, i32 48, i32 48, i32 48, i32 49, i32 49, i32 49, i32 49, i32 49, i32 50, i32 50, i32 50, i32 50, i32 50, i32 51, i32 51, i32 51, i32 51, i32 51, i32 52, i32 52, i32 52, i32 52, i32 52, i32 53, i32 53, i32 53, i32 53, i32 53, i32 54, i32 54, i32 54, i32 54, i32 54, i32 55, i32 55, i32 55, i32 55, i32 55, i32 56, i32 56, i32 56, i32 56, i32 56, i32 57, i32 57, i32 57, i32 57, i32 57, i32 58, i32 58, i32 58, i32 58, i32 58, i32 59, i32 59, i32 59, i32 59, i32 59, i32 60, i32 60, i32 60, i32 60, i32 60, i32 61, i32 61, i32 61, i32 61, i32 61, i32 62, i32 62, i32 62, i32 62, i32 62, i32 63, i32 63, i32 63, i32 63, i32 63>
----------------
Worse than scalarization cost


================
Comment at: llvm/test/Analysis/CostModel/X86/shuffle-replication-i16.ll:442-446
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 70 for instruction: %vf4 = shufflevector <4 x i16> undef, <4 x i16> poison, <24 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 138 for instruction: %vf8 = shufflevector <8 x i16> undef, <8 x i16> poison, <48 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 283 for instruction: %vf16 = shufflevector <16 x i16> undef, <16 x i16> poison, <96 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 567 for instruction: %vf32 = shufflevector <32 x i16> undef, <32 x i16> poison, <192 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1134 for instruction: %vf64 = shufflevector <64 x i16> undef, <64 x i16> poison, <384 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 32, i32 32, i32 32, i32 32, i32 32, i32 32, i32 33, i32 33, i32 33, i32 33, i32 33, i32 33, i32 34, i32 34, i32 34, i32 34, i32 34, i32 34, i32 35, i32 35, i32 35, i32 35, i32 35, i32 35, i32 36, i32 36, i32 36, i32 36, i32 36, i32 36, i32 37, i32 37, i32 37, i32 37, i32 37, i32 37, i32 38, i32 38, i32 38, i32 38, i32 38, i32 38, i32 39, i32 39, i32 39, i32 39, i32 39, i32 39, i32 40, i32 40, i32 40, i32 40, i32 40, i32 40, i32 41, i32 41, i32 41, i32 41, i32 41, i32 41, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 43, i32 43, i32 43, i32 43, i32 43, i32 43, i32 44, i32 44, i32 44, i32 44, i32 44, i32 44, i32 45, i32 45, i32 45, i32 45, i32 45, i32 45, i32 46, i32 46, i32 46, i32 46, i32 46, i32 46, i32 47, i32 47, i32 47, i32 47, i32 47, i32 47, i32 48, i32 48, i32 48, i32 48, i32 48, i32 48, i32 49, i32 49, i32 49, i32 49, i32 49, i32 49, i32 50, i32 50, i32 50, i32 50, i32 50, i32 50, i32 51, i32 51, i32 51, i32 51, i32 51, i32 51, i32 52, i32 52, i32 52, i32 52, i32 52, i32 52, i32 53, i32 53, i32 53, i32 53, i32 53, i32 53, i32 54, i32 54, i32 54, i32 54, i32 54, i32 54, i32 55, i32 55, i32 55, i32 55, i32 55, i32 55, i32 56, i32 56, i32 56, i32 56, i32 56, i32 56, i32 57, i32 57, i32 57, i32 57, i32 57, i32 57, i32 58, i32 58, i32 58, i32 58, i32 58, i32 58, i32 59, i32 59, i32 59, i32 59, i32 59, i32 59, i32 60, i32 60, i32 60, i32 60, i32 60, i32 60, i32 61, i32 61, i32 61, i32 61, i32 61, i32 61, i32 62, i32 62, i32 62, i32 62, i32 62, i32 62, i32 63, i32 63, i32 63, i32 63, i32 63, i32 63>
----------------
Worse than scalarization cost


================
Comment at: llvm/test/Analysis/CostModel/X86/shuffle-replication-i16.ll:533-537
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 84 for instruction: %vf4 = shufflevector <4 x i16> undef, <4 x i16> poison, <28 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 164 for instruction: %vf8 = shufflevector <8 x i16> undef, <8 x i16> poison, <56 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 326 for instruction: %vf16 = shufflevector <16 x i16> undef, <16 x i16> poison, <112 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 661 for instruction: %vf32 = shufflevector <32 x i16> undef, <32 x i16> poison, <224 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 18, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 19, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 20, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 21, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 22, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 23, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 25, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 26, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 27, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 28, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 29, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 30, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
+; AVX512F-NEXT:  Cost Model: Found an estimated cost of 1322 for instruction: %vf64 = shufflevector <64 x i16> undef, <64 x i16> poison, <448 x i32> <i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 2, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 5, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 6, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 7, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 9, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 10, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 11, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 12, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 13, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 14, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 18, i32 18, i32 18, i32 18, i32 18, i32 18, i32 18, i32 19, i32 19, i32 19, i32 19, i32 19, i32 19, i32 19, i32 20, i32 20, i32 20, i32 20, i32 20, i32 20, i32 20, i32 21, i32 21, i32 21, i32 21, i32 21, i32 21, i32 21, i32 22, i32 22, i32 22, i32 22, i32 22, i32 22, i32 22, i32 23, i32 23, i32 23, i32 23, i32 23, i32 23, i32 23, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 24, i32 25, i32 25, i32 25, i32 25, i32 25, i32 25, i32 25, i32 26, i32 26, i32 26, i32 26, i32 26, i32 26, i32 26, i32 27, i32 27, i32 27, i32 27, i32 27, i32 27, i32 27, i32 28, i32 28, i32 28, i32 28, i32 28, i32 28, i32 28, i32 29, i32 29, i32 29, i32 29, i32 29, i32 29, i32 29, i32 30, i32 30, i32 30, i32 30, i32 30, i32 30, i32 30, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 32, i32 32, i32 32, i32 32, i32 32, i32 32, i32 32, i32 33, i32 33, i32 33, i32 33, i32 33, i32 33, i32 33, i32 34, i32 34, i32 34, i32 34, i32 34, i32 34, i32 34, i32 35, i32 35, i32 35, i32 35, i32 35, i32 35, i32 35, i32 36, i32 36, i32 36, i32 36, i32 36, i32 36, i32 36, i32 37, i32 37, i32 37, i32 37, i32 37, i32 37, i32 37, i32 38, i32 38, i32 38, i32 38, i32 38, i32 38, i32 38, i32 39, i32 39, i32 39, i32 39, i32 39, i32 39, i32 39, i32 40, i32 40, i32 40, i32 40, i32 40, i32 40, i32 40, i32 41, i32 41, i32 41, i32 41, i32 41, i32 41, i32 41, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 43, i32 43, i32 43, i32 43, i32 43, i32 43, i32 43, i32 44, i32 44, i32 44, i32 44, i32 44, i32 44, i32 44, i32 45, i32 45, i32 45, i32 45, i32 45, i32 45, i32 45, i32 46, i32 46, i32 46, i32 46, i32 46, i32 46, i32 46, i32 47, i32 47, i32 47, i32 47, i32 47, i32 47, i32 47, i32 48, i32 48, i32 48, i32 48, i32 48, i32 48, i32 48, i32 49, i32 49, i32 49, i32 49, i32 49, i32 49, i32 49, i32 50, i32 50, i32 50, i32 50, i32 50, i32 50, i32 50, i32 51, i32 51, i32 51, i32 51, i32 51, i32 51, i32 51, i32 52, i32 52, i32 52, i32 52, i32 52, i32 52, i32 52, i32 53, i32 53, i32 53, i32 53, i32 53, i32 53, i32 53, i32 54, i32 54, i32 54, i32 54, i32 54, i32 54, i32 54, i32 55, i32 55, i32 55, i32 55, i32 55, i32 55, i32 55, i32 56, i32 56, i32 56, i32 56, i32 56, i32 56, i32 56, i32 57, i32 57, i32 57, i32 57, i32 57, i32 57, i32 57, i32 58, i32 58, i32 58, i32 58, i32 58, i32 58, i32 58, i32 59, i32 59, i32 59, i32 59, i32 59, i32 59, i32 59, i32 60, i32 60, i32 60, i32 60, i32 60, i32 60, i32 60, i32 61, i32 61, i32 61, i32 61, i32 61, i32 61, i32 61, i32 62, i32 62, i32 62, i32 62, i32 62, i32 62, i32 62, i32 63, i32 63, i32 63, i32 63, i32 63, i32 63, i32 63>
----------------
Worse than scalarization cost


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D113609/new/

https://reviews.llvm.org/D113609