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Reverse order of checking SSE level when calculating compare cost, so we check
AVX2 before AVX. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170464 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -17866,10 +17866,10 @@ unsigned X86VectorTargetTransformInfo::getCmpSelInstrCost(unsigned Opcode,
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{ ISD::SETCC, MVT::v32i8, 1 },
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};
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if (ST.hasSSE42()) {
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int Idx = FindInTable(SSE42CostTbl, array_lengthof(SSE42CostTbl), ISD, MTy);
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if (ST.hasAVX2()) {
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int Idx = FindInTable(AVX2CostTbl, array_lengthof(AVX2CostTbl), ISD, MTy);
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if (Idx != -1)
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return LT.first * SSE42CostTbl[Idx].Cost;
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return LT.first * AVX2CostTbl[Idx].Cost;
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}
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if (ST.hasAVX()) {
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@ -17878,10 +17878,10 @@ unsigned X86VectorTargetTransformInfo::getCmpSelInstrCost(unsigned Opcode,
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return LT.first * AVX1CostTbl[Idx].Cost;
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}
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if (ST.hasAVX2()) {
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int Idx = FindInTable(AVX2CostTbl, array_lengthof(AVX2CostTbl), ISD, MTy);
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if (ST.hasSSE42()) {
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int Idx = FindInTable(SSE42CostTbl, array_lengthof(SSE42CostTbl), ISD, MTy);
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if (Idx != -1)
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return LT.first * AVX2CostTbl[Idx].Cost;
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return LT.first * SSE42CostTbl[Idx].Cost;
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}
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return VectorTargetTransformImpl::getCmpSelInstrCost(Opcode, ValTy, CondTy);
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@ -1,38 +1,52 @@
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; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
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; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck --check-prefix=AVX1 %s
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; RUN: opt < %s -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mcpu=core-avx2 | FileCheck --check-prefix=AVX2 %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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define i32 @cmp(i32 %arg) {
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; -- floats --
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;CHECK: cost of 1 {{.*}} fcmp
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;AVX1: cost of 1 {{.*}} fcmp
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;AVX2: cost of 1 {{.*}} fcmp
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%A = fcmp olt <2 x float> undef, undef
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;CHECK: cost of 1 {{.*}} fcmp
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;AVX1: cost of 1 {{.*}} fcmp
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;AVX2: cost of 1 {{.*}} fcmp
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%B = fcmp olt <4 x float> undef, undef
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;CHECK: cost of 1 {{.*}} fcmp
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;AVX1: cost of 1 {{.*}} fcmp
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;AVX2: cost of 1 {{.*}} fcmp
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%C = fcmp olt <8 x float> undef, undef
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;CHECK: cost of 1 {{.*}} fcmp
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;AVX1: cost of 1 {{.*}} fcmp
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;AVX2: cost of 1 {{.*}} fcmp
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%D = fcmp olt <2 x double> undef, undef
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;CHECK: cost of 1 {{.*}} fcmp
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;AVX1: cost of 1 {{.*}} fcmp
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;AVX2: cost of 1 {{.*}} fcmp
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%E = fcmp olt <4 x double> undef, undef
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; -- integers --
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;CHECK: cost of 1 {{.*}} icmp
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;AVX1: cost of 1 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%F = icmp eq <16 x i8> undef, undef
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;CHECK: cost of 1 {{.*}} icmp
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;AVX1: cost of 1 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%G = icmp eq <8 x i16> undef, undef
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;CHECK: cost of 1 {{.*}} icmp
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;AVX1: cost of 1 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%H = icmp eq <4 x i32> undef, undef
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;CHECK: cost of 1 {{.*}} icmp
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;AVX1: cost of 1 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%I = icmp eq <2 x i64> undef, undef
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;CHECK: cost of 4 {{.*}} icmp
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;AVX1: cost of 4 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%J = icmp eq <4 x i64> undef, undef
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;CHECK: cost of 4 {{.*}} icmp
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;AVX1: cost of 4 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%K = icmp eq <8 x i32> undef, undef
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;CHECK: cost of 4 {{.*}} icmp
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;AVX1: cost of 4 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%L = icmp eq <16 x i16> undef, undef
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;CHECK: cost of 4 {{.*}} icmp
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;AVX1: cost of 4 {{.*}} icmp
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;AVX2: cost of 1 {{.*}} icmp
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%M = icmp eq <32 x i8> undef, undef
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;CHECK: cost of 0 {{.*}} ret
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