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https://github.com/FEX-Emu/FEX.git
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Alyssa Rosenzweig
af21b8f3c7
It is not an external component, and it makes paths needlessly long. Ryan seemed amenable to this when we discussed on IRC earlier. Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/*
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$info$
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tags: ir|opts
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desc: Sanity checking pass
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$end_info$
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*/
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#include <FEXCore/IR/IR.h>
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#include <FEXCore/IR/IREmitter.h>
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#include <FEXCore/IR/IntrusiveIRList.h>
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#include <FEXCore/Utils/LogManager.h>
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#include <FEXCore/Utils/Profiler.h>
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#include <FEXCore/fextl/sstream.h>
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#include "Interface/IR/PassManager.h"
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#include <memory>
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namespace FEXCore::IR::Validation {
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class PhiValidation final : public FEXCore::IR::Pass {
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public:
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bool Run(IREmitter *IREmit) override;
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};
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bool PhiValidation::Run(IREmitter *IREmit) {
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FEXCORE_PROFILE_SCOPED("PassManager::PHIValidation");
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bool HadError = false;
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auto CurrentIR = IREmit->ViewIR();
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fextl::ostringstream Errors;
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// Walk the list and calculate the control flow
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for (auto [BlockNode, BlockHeader] : CurrentIR.GetBlocks()) {
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bool FoundNonPhi{};
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for (auto [CodeNode, IROp] : CurrentIR.GetCode(BlockNode)) {
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switch (IROp->Op) {
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// BEGINBLOCK doesn't matter for us
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case IR::OP_BEGINBLOCK: break;
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case IR::OP_PHIVALUE:
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case IR::OP_PHI: {
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if (FoundNonPhi) {
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// If we have found a non-phi IR op and then had a Phi or PhiValue value then this is a programming mistake
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// PHI values MUST be defined at the top of the block only
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HadError |= true;
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Errors << "Phi %" << CurrentIR.GetID(CodeNode) << ": Was defined after non-phi operations. Which is invalid!" << std::endl;
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}
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// Check all the phi values to ensure they have the same type
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break;
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}
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default:
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FoundNonPhi = true;
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break;
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}
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}
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}
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if (HadError) {
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fextl::stringstream Out;
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FEXCore::IR::Dump(&Out, &CurrentIR, nullptr);
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Out << "Errors:" << std::endl << Errors.str() << std::endl;
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LogMan::Msg::EFmt("{}", Out.str());
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}
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return false;
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}
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fextl::unique_ptr<FEXCore::IR::Pass> CreatePhiValidation() {
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return fextl::make_unique<PhiValidation>();
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}
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}
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