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be1881aa1f
At some point, pass definitions were heavily macro-ized. Pass descriptive names were added in two places. This is not only redundant but a source of confusion. You could waste a lot of time grepping for the wrong string. I removed all the getName() overrides which, at around 90 passes, was a fairly significant amount of code bloat. Any pass that we want to be able to invoke by name from a tool (sil-opt) or pipeline plan *should* have unique type name, enum value, commend-line string, and name string. I removed a comment about the various inliner passes that contradicted that. Side note: We should be consistent with the policy that a pass is identified by its type. We have a couple passes, LICM and CSE, which currently violate that convention.
82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
//===--- ValueOwnershipKindDumper.cpp -------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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///
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/// This is a simple utility pass that dumps the ValueOwnershipKind of all
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/// SILValue in a module. It is meant to trigger assertions and verification of
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/// these values.
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///
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//===----------------------------------------------------------------------===//
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#include "swift/SIL/SILFunction.h"
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#include "swift/SIL/SILInstruction.h"
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#include "swift/SILOptimizer/PassManager/Passes.h"
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#include "swift/SILOptimizer/PassManager/Transforms.h"
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using namespace swift;
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static void checkEnumInstIsTrivial(EnumInst *EI) {
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if (!EI->hasOperand())
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return;
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if (EI->getOperand()->getType().isTrivial(EI->getModule()))
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return;
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llvm_unreachable("Found enum with non-trivial operand but trivial ownership?!");
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}
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namespace {
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class ValueOwnershipKindDumper : public SILFunctionTransform {
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void run() override {
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SILFunction *F = getFunction();
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SILModule &M = F->getModule();
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for (auto &BB : *F) {
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// We only verify instructions right now.
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for (auto &II : BB) {
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// If the instruction doesn't have a value, bail.
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if (!II.hasValue())
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continue;
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SILValue V(&II);
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llvm::outs() << "Visiting: " << II;
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auto Kind = V.getOwnershipKind();
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llvm::outs() << " " << Kind << "\n";
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if (Kind == ValueOwnershipKind::Any)
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continue;
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if (Kind == ValueOwnershipKind::Trivial) {
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if (auto *EI = dyn_cast<EnumInst>(V)) {
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checkEnumInstIsTrivial(EI);
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continue;
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}
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SILType Ty = V->getType();
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if (!Ty.isTrivial(M) && !Ty.isAddress()) {
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llvm_unreachable("Error! Trivial ownership without trivial type\n");
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}
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} else {
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if (V->getType().isTrivial(M)) {
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llvm_unreachable(
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"Error! Non Trivial ownership with trivial type\n");
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}
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}
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}
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}
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}
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};
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} // end anonymous namespace
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SILTransform *swift::createValueOwnershipKindDumper() {
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return new ValueOwnershipKindDumper();
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}
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