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[CostModel][X86] Tidyup arithmetic costs code. NFCI.

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Remove unnecessary braces, remove one use variables and keep LUTs to similar naming convention.

llvm-svn: 291187
This commit is contained in:
Simon Pilgrim 2017-01-05 22:48:02 +00:00
parent c20413dd67
commit 1e98733435
1 changed files with 15 additions and 28 deletions
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43
lib/Target/X86/X86TargetTransformInfo.cpp
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@ -214,11 +214,9 @@ int X86TTIImpl::getArithmeticInstrCost(
};
// Look for AVX512DQ lowering tricks for custom cases.
if (ST->hasDQI()) {
if (const auto *Entry = CostTableLookup(AVX512DQCostTable, ISD,
LT.second))
if (ST->hasDQI())
if (const auto *Entry = CostTableLookup(AVX512DQCostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry AVX512BWCostTable[] = {
{ ISD::MUL, MVT::v64i8, 11 }, // extend/pmullw/trunc sequence.
@ -237,11 +235,9 @@ int X86TTIImpl::getArithmeticInstrCost(
};
// Look for AVX512BW lowering tricks for custom cases.
if (ST->hasBWI()) {
if (const auto *Entry = CostTableLookup(AVX512BWCostTable, ISD,
LT.second))
if (ST->hasBWI())
if (const auto *Entry = CostTableLookup(AVX512BWCostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry AVX512CostTable[] = {
{ ISD::SHL, MVT::v16i32, 1 },
@ -257,10 +253,9 @@ int X86TTIImpl::getArithmeticInstrCost(
{ ISD::MUL, MVT::v8i64, 8 } // 3*pmuludq/3*shift/2*add
};
if (ST->hasAVX512()) {
if (ST->hasAVX512())
if (const auto *Entry = CostTableLookup(AVX512CostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry AVX2CostTable[] = {
// Shifts on v4i64/v8i32 on AVX2 is legal even though we declare to
@ -320,10 +315,9 @@ int X86TTIImpl::getArithmeticInstrCost(
};
// Look for XOP lowering tricks.
if (ST->hasXOP()) {
if (ST->hasXOP())
if (const auto *Entry = CostTableLookup(XOPCostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry AVX2CustomCostTable[] = {
{ ISD::SHL, MVT::v32i8, 11 }, // vpblendvb sequence.
@ -351,11 +345,10 @@ int X86TTIImpl::getArithmeticInstrCost(
};
// Look for AVX2 lowering tricks for custom cases.
if (ST->hasAVX2()) {
if (ST->hasAVX2())
if (const auto *Entry = CostTableLookup(AVX2CustomCostTable, ISD,
LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry AVXCustomCostTable[] = {
{ ISD::MUL, MVT::v32i8, 26 }, // extend/pmullw/trunc sequence.
@ -379,11 +372,10 @@ int X86TTIImpl::getArithmeticInstrCost(
};
// Look for AVX2 lowering tricks for custom cases.
if (ST->hasAVX()) {
if (ST->hasAVX())
if (const auto *Entry = CostTableLookup(AVXCustomCostTable, ISD,
LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry
SSE2UniformCostTable[] = {
@ -480,10 +472,9 @@ int X86TTIImpl::getArithmeticInstrCost(
{ ISD::MUL, MVT::v4i32, 1 } // pmulld
};
if (ST->hasSSE41()) {
if (ST->hasSSE41())
if (const auto *Entry = CostTableLookup(SSE41CostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry SSE2CostTable[] = {
// We don't correctly identify costs of casts because they are marked as
@ -532,10 +523,9 @@ int X86TTIImpl::getArithmeticInstrCost(
{ ISD::UDIV, MVT::v2i64, 2*20 },
};
if (ST->hasSSE2()) {
if (ST->hasSSE2())
if (const auto *Entry = CostTableLookup(SSE2CostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry AVX1CostTable[] = {
// We don't have to scalarize unsupported ops. We can issue two half-sized
@ -560,22 +550,19 @@ int X86TTIImpl::getArithmeticInstrCost(
};
// Look for AVX1 lowering tricks.
if (ST->hasAVX() && !ST->hasAVX2()) {
MVT VT = LT.second;
if (const auto *Entry = CostTableLookup(AVX1CostTable, ISD, VT))
if (ST->hasAVX() && !ST->hasAVX2())
if (const auto *Entry = CostTableLookup(AVX1CostTable, ISD, LT.second))
return LT.first * Entry->Cost;
}
static const CostTblEntry SSE1FloatCostTable[] = {
static const CostTblEntry SSE1CostTable[] = {
{ ISD::FDIV, MVT::f32, 17 }, // Pentium III from http://www.agner.org/
{ ISD::FDIV, MVT::v4f32, 34 }, // Pentium III from http://www.agner.org/
};
if (ST->hasSSE1())
if (const auto *Entry = CostTableLookup(SSE1FloatCostTable, ISD,
LT.second))
if (const auto *Entry = CostTableLookup(SSE1CostTable, ISD, LT.second))
return LT.first * Entry->Cost;
// Fallback to the default implementation.
return BaseT::getArithmeticInstrCost(Opcode, Ty, Op1Info, Op2Info);
}