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Improved spaceship- const evaluation, subtraction optimization
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parent
292e0992a4
commit
2bcfdcc06c
2 changed files with 68 additions and 21 deletions
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@ -18514,7 +18514,32 @@ void BfExprEvaluator::PerformBinaryOperation(BfType* resultType, BfIRValue convL
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case BfBinaryOp_Compare:
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case BfBinaryOp_Compare:
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{
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{
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auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
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auto intType = mModule->GetPrimitiveType(BfTypeCode_IntPtr);
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if ((convLeftValue.IsConst()) && (convRightValue.IsConst()))
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{
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auto cmpLtVal = mModule->mBfIRBuilder->CreateCmpLT(convLeftValue, convRightValue, resultType->IsSignedInt());
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auto ltConstant = mModule->mBfIRBuilder->GetConstant(cmpLtVal);
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if (ltConstant->mBool)
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{
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mResult = BfTypedValue(mModule->GetConstValue(-1, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
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}
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else
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{
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auto cmpGtVal = mModule->mBfIRBuilder->CreateCmpGT(convLeftValue, convRightValue, resultType->IsSignedInt());
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auto rtConstant = mModule->mBfIRBuilder->GetConstant(cmpGtVal);
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if (rtConstant->mBool)
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mResult = BfTypedValue(mModule->GetConstValue(1, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
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else
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mResult = BfTypedValue(mModule->GetConstValue(0, mModule->GetPrimitiveType(BfTypeCode_IntPtr)), intType);
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}
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}
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else if ((resultType->IsIntegral()) && (resultType->mSize < intType->mSize))
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{
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auto leftIntValue = mModule->mBfIRBuilder->CreateNumericCast(convLeftValue, resultType->IsSignedInt(), BfTypeCode_IntPtr);
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auto rightIntValue = mModule->mBfIRBuilder->CreateNumericCast(convRightValue, resultType->IsSignedInt(), BfTypeCode_IntPtr);
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mResult = BfTypedValue(mModule->mBfIRBuilder->CreateSub(leftIntValue, rightIntValue), intType);
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}
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else
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{
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BfIRBlock checkGtBlock = mModule->mBfIRBuilder->CreateBlock("cmpCheckGt");
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BfIRBlock checkGtBlock = mModule->mBfIRBuilder->CreateBlock("cmpCheckGt");
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BfIRBlock eqBlock = mModule->mBfIRBuilder->CreateBlock("cmpEq");
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BfIRBlock eqBlock = mModule->mBfIRBuilder->CreateBlock("cmpEq");
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BfIRBlock endBlock = mModule->mBfIRBuilder->CreateBlock("cmpEnd");
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BfIRBlock endBlock = mModule->mBfIRBuilder->CreateBlock("cmpEnd");
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@ -18542,6 +18567,7 @@ void BfExprEvaluator::PerformBinaryOperation(BfType* resultType, BfIRValue convL
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mResult = BfTypedValue(phiVal, intType);
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mResult = BfTypedValue(phiVal, intType);
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}
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}
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}
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break;
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break;
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default:
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default:
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mModule->Fail("Invalid operation", opToken);
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mModule->Fail("Invalid operation", opToken);
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21
IDEHelper/Tests/src/Spaceship.bf
Normal file
21
IDEHelper/Tests/src/Spaceship.bf
Normal file
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@ -0,0 +1,21 @@
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using System;
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namespace Tests
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{
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class Spaceship
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{
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const bool sLess0 = 1.0 <=> 2.0 < 0;
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[Test]
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public static void TestBasics()
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{
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Test.Assert(1 <=> 2 < 0);
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Test.Assert(1.0 <=> 2.0 < 0);
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int8 i8a = -120;
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int8 i8b = 100;
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Test.Assert(i8a <=> i8b < 0);
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}
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}
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}
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