mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-13 17:00:45 +02:00
Ryan Houdek
544a1f307f
Instead of forcing someone to test by modifying code, allow a -O0 option to be passed in. Also added to FEXConfig GUI for easily touching. Fixes #652
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
#include "Interface/IR/Passes.h"
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#include "Interface/IR/Passes/RegisterAllocationPass.h"
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#include "Interface/IR/PassManager.h"
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#include <FEXCore/Config/Config.h>
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namespace FEXCore::IR {
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void PassManager::AddDefaultPasses(bool InlineConstants, bool StaticRegisterAllocation) {
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FEXCore::Config::Value<bool> DisablePasses{FEXCore::Config::CONFIG_DEBUG_DISABLE_OPTIMIZATION_PASSES, false};
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if (!DisablePasses()) {
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InsertPass(CreateContextLoadStoreElimination());
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InsertPass(CreateDeadFlagStoreElimination());
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InsertPass(CreateDeadGPRStoreElimination());
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InsertPass(CreateDeadFPRStoreElimination());
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InsertPass(CreatePassDeadCodeElimination());
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InsertPass(CreateConstProp(InlineConstants));
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////// InsertPass(CreateDeadFlagCalculationEliminination());
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InsertPass(CreateSyscallOptimization());
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InsertPass(CreatePassDeadCodeElimination());
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// only do SRA if enabled and JIT
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if (InlineConstants && StaticRegisterAllocation)
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InsertPass(CreateStaticRegisterAllocationPass());
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}
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else {
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// only do SRA if enabled and JIT
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if (InlineConstants && StaticRegisterAllocation)
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InsertPass(CreateStaticRegisterAllocationPass());
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}
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CompactionPass = CreateIRCompaction();
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// If the IR is compacted post-RA then the node indexing gets messed up and the backend isn't able to find the register assigned to a node
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// Compact before IR, don't worry about RA generating spills/fills
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InsertPass(CompactionPass);
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}
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void PassManager::AddDefaultValidationPasses() {
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#if defined(ASSERTIONS_ENABLED) && ASSERTIONS_ENABLED
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InsertValidationPass(Validation::CreatePhiValidation());
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InsertValidationPass(Validation::CreateIRValidation());
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InsertValidationPass(Validation::CreateValueDominanceValidation());
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#endif
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}
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void PassManager::InsertRegisterAllocationPass(bool OptimizeSRA) {
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RAPass = IR::CreateRegisterAllocationPass(CompactionPass, OptimizeSRA);
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InsertPass(RAPass);
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}
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bool PassManager::Run(IREmitter *IREmit) {
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bool Changed = false;
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for (auto const &Pass : Passes) {
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Changed |= Pass->Run(IREmit);
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}
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#if defined(ASSERTIONS_ENABLED) && ASSERTIONS_ENABLED
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for (auto const &Pass : ValidationPasses) {
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Changed |= Pass->Run(IREmit);
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}
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#endif
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return Changed;
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}
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}
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