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Match blocks with the same comparison condition

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Gabriel A 2024-06-06 16:30:25 -03:00
commit a841cedcbb
1 changed files with 32 additions and 1 deletions
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33
src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs
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@ -45,6 +45,24 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
return x == y || x.Type == OperandType.Constant || x.Type == OperandType.ConstantBuffer;
}
private static bool AreAllSourcesEqual(INode node, INode otherNode)
{
if (node.SourcesCount != otherNode.SourcesCount)
{
return false;
}
for (int index = 0; index < node.SourcesCount; index++)
{
if (!IsSameOperand(node.GetSource(index), otherNode.GetSource(index)))
{
return false;
}
}
return true;
}
public static bool AreAllSourcesTheSameOperand(INode node)
{
Operand firstSrc = node.GetSource(0);
@ -81,6 +99,19 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
return inst == Instruction.BranchIfFalse || inst == Instruction.BranchIfTrue;
}
private static bool IsSameCondition(Operand currentCondition, Operand queryCondition)
{
if (currentCondition == queryCondition)
{
return true;
}
return currentCondition.AsgOp is Operation currentOperation &&
queryCondition.AsgOp is Operation queryOperation &&
currentOperation.Inst == queryOperation.Inst &&
AreAllSourcesEqual(currentOperation, queryOperation);
}
private static bool BlockConditionsMatch(BasicBlock currentBlock, BasicBlock queryBlock)
{
// Check if all the conditions for the query block are satisfied by the current block.
@ -96,7 +127,7 @@ namespace Ryujinx.Graphics.Shader.Translation.Optimizations
return currentBranch != null && queryBranch != null &&
currentBranch.Inst == queryBranch.Inst &&
currentCondition == queryCondition;
IsSameCondition(currentCondition, queryCondition);
}
public static Operand FindLastOperation(Operand source, BasicBlock block, bool recurse = true)