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[CostModel][X86] Add non-constant vselect cost tests 

Also add AVX512 costs at the same time

llvm-svn: 351680
This commit is contained in:
Simon Pilgrim 2019-01-20 11:19:35 +00:00
parent a6241a5dc0
commit a8b009fd14
1 changed files with 121 additions and 1 deletions
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122
llvm/test/Analysis/CostModel/X86/vselect-cost.ll
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@ -3,10 +3,130 @@
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-unknown-linux-gnu -mattr=+sse4.1 | FileCheck %s -check-prefixes=CHECK,SSE,SSE41
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-unknown-linux-gnu -mattr=+avx | FileCheck %s -check-prefixes=CHECK,AVX,AVX1
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-unknown-linux-gnu -mattr=+avx2 | FileCheck %s -check-prefixes=CHECK,AVX,AVX2
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-unknown-linux-gnu -mattr=+avx512f,+avx512vl | FileCheck %s -check-prefixes=CHECK,AVX,AVX512,AVX512F
; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-unknown-linux-gnu -mattr=+avx512bw,+avx512vl | FileCheck %s -check-prefixes=CHECK,AVX,AVX512,AVX512BW
; Verify the cost of vector select instructions.
define i32 @test_select() {
; SSE-LABEL: 'test_select'
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I64 = select i1 undef, i64 undef, i64 undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V4I64 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V8I64 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I32 = select i1 undef, i32 undef, i32 undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V8I32 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V16I32 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I16 = select i1 undef, i16 undef, i16 undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V32I16 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = select i1 undef, i8 undef, i8 undef
; SSE-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I8 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I8 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 4 for instruction: %V64I8 = select <64 x i1> undef, <64 x i8> undef, <64 x i8> undef
; SSE-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; AVX1-LABEL: 'test_select'
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I64 = select i1 undef, i64 undef, i64 undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I32 = select i1 undef, i32 undef, i32 undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I16 = select i1 undef, i16 undef, i16 undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = select i1 undef, i8 undef, i8 undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I8 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32I8 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V64I8 = select <64 x i1> undef, <64 x i8> undef, <64 x i8> undef
; AVX1-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; AVX2-LABEL: 'test_select'
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I64 = select i1 undef, i64 undef, i64 undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I32 = select i1 undef, i32 undef, i32 undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I16 = select i1 undef, i16 undef, i16 undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = select i1 undef, i8 undef, i8 undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I8 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32I8 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V64I8 = select <64 x i1> undef, <64 x i8> undef, <64 x i8> undef
; AVX2-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; AVX512F-LABEL: 'test_select'
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I64 = select i1 undef, i64 undef, i64 undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I64 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I32 = select i1 undef, i32 undef, i32 undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I32 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I16 = select i1 undef, i16 undef, i16 undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = select i1 undef, i8 undef, i8 undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I8 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32I8 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %V64I8 = select <64 x i1> undef, <64 x i8> undef, <64 x i8> undef
; AVX512F-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
; AVX512BW-LABEL: 'test_select'
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I64 = select i1 undef, i64 undef, i64 undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I64 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I32 = select i1 undef, i32 undef, i32 undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I32 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I16 = select i1 undef, i16 undef, i16 undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32I16 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %I8 = select i1 undef, i8 undef, i8 undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V16I8 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V32I8 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %V64I8 = select <64 x i1> undef, <64 x i8> undef, <64 x i8> undef
; AVX512BW-NEXT: Cost Model: Found an estimated cost of 0 for instruction: ret i32 undef
;
%I64 = select i1 undef, i64 undef, i64 undef
%V2I64 = select <2 x i1> undef, <2 x i64> undef, <2 x i64> undef
%V4I64 = select <4 x i1> undef, <4 x i64> undef, <4 x i64> undef
%V8I64 = select <8 x i1> undef, <8 x i64> undef, <8 x i64> undef
%I32 = select i1 undef, i32 undef, i32 undef
%V4I32 = select <4 x i1> undef, <4 x i32> undef, <4 x i32> undef
%V8I32 = select <8 x i1> undef, <8 x i32> undef, <8 x i32> undef
%V16I32 = select <16 x i1> undef, <16 x i32> undef, <16 x i32> undef
%I16 = select i1 undef, i16 undef, i16 undef
%V8I16 = select <8 x i1> undef, <8 x i16> undef, <8 x i16> undef
%V16I16 = select <16 x i1> undef, <16 x i16> undef, <16 x i16> undef
%V32I16 = select <32 x i1> undef, <32 x i16> undef, <32 x i16> undef
%I8 = select i1 undef, i8 undef, i8 undef
%V16I8 = select <16 x i1> undef, <16 x i8> undef, <16 x i8> undef
%V32I8 = select <32 x i1> undef, <32 x i8> undef, <32 x i8> undef
%V64I8 = select <64 x i1> undef, <64 x i8> undef, <64 x i8> undef
ret i32 undef
}
; SSE41 added blend instructions with an immediate for <2 x double> and
; <4 x float>. Integers of the same size should also use those instructions.