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[func-sig-opts][projection] All projection trees during the run on a … #17187

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Merged
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Jun 14, 2018
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[func-sig-opts][projection] All projection trees during the run on a … #17187

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9 changes: 6 additions & 3 deletions include/swift/SIL/Projection.h
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Original file line number Diff line number Diff line change
Expand Up @@ -836,7 +836,7 @@ class ProjectionTree {
SILModule &Mod;

/// The allocator we use to allocate ProjectionTreeNodes in the tree.
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> Allocator;
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> &Allocator;

// A common pattern is a 3 field struct.
llvm::SmallVector<ProjectionTreeNode *, 4> ProjectionTreeNodes;
Expand All @@ -846,10 +846,13 @@ class ProjectionTree {

public:
/// Construct a projection tree from BaseTy.
ProjectionTree(SILModule &Mod, SILType BaseTy);
ProjectionTree(SILModule &Mod, SILType BaseTy,
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> &Allocator);
/// Construct an uninitialized projection tree, which can then be
/// initialized by initializeWithExistingTree.
ProjectionTree(SILModule &Mod) : Mod(Mod) {}
ProjectionTree(SILModule &Mod,
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> &Allocator)
: Mod(Mod), Allocator(Allocator) {}
~ProjectionTree();
ProjectionTree(const ProjectionTree &) = delete;
ProjectionTree(ProjectionTree &&) = default;
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16 changes: 8 additions & 8 deletions include/swift/SILOptimizer/Utils/FunctionSignatureOptUtils.h
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Expand Up @@ -77,17 +77,17 @@ struct ArgumentDescriptor {
/// to the original argument. The reason why we do this is to make sure we
/// have access to the original argument's state if we modify the argument
/// when optimizing.
ArgumentDescriptor(SILFunctionArgument *A)
: Arg(A),
PInfo(A->getKnownParameterInfo()),
Index(A->getIndex()),
ArgumentDescriptor(
SILFunctionArgument *A,
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> &Allocator)
: Arg(A), PInfo(A->getKnownParameterInfo()), Index(A->getIndex()),
Decl(A->getDecl()), IsEntirelyDead(false), Explode(false),
OwnedToGuaranteed(false), IsIndirectResult(A->isIndirectResult()),
CalleeRelease(), CalleeReleaseInThrowBlock(),
ProjTree(A->getModule(), A->getType()) {
if (!A->isIndirectResult()) {
PInfo = Arg->getKnownParameterInfo();
}
ProjTree(A->getModule(), A->getType(), Allocator) {
if (!A->isIndirectResult()) {
PInfo = Arg->getKnownParameterInfo();
}
}

ArgumentDescriptor(const ArgumentDescriptor &) = delete;
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9 changes: 6 additions & 3 deletions lib/SIL/Projection.cpp
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Expand Up @@ -1100,9 +1100,12 @@ class NewAggregateBuilderMap {
// ProjectionTree
//===----------------------------------------------------------------------===//

ProjectionTree::
ProjectionTree(SILModule &Mod, SILType BaseTy) : Mod(Mod) {
DEBUG(llvm::dbgs() << "Constructing Projection Tree For : " << BaseTy);
ProjectionTree::ProjectionTree(
SILModule &Mod, SILType BaseTy,
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> &Allocator)
: Mod(Mod), Allocator(Allocator) {
DEBUG(llvm::dbgs() << "Constructing Projection Tree For : " << BaseTy
<< "\n");

// Create the root node of the tree with our base type.
createRoot(BaseTy);
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5 changes: 3 additions & 2 deletions lib/SILOptimizer/Transforms/FunctionSignatureOpts.cpp
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Expand Up @@ -1275,11 +1275,12 @@ class FunctionSignatureOpts : public SILFunctionTransform {
}

// Allocate the argument and result descriptors.
llvm::SpecificBumpPtrAllocator<ProjectionTreeNode> Allocator;
llvm::SmallVector<ArgumentDescriptor, 4> ArgumentDescList;
llvm::SmallVector<ResultDescriptor, 4> ResultDescList;
auto Args = F->begin()->getFunctionArguments();
for (unsigned i = 0, e = Args.size(); i != e; ++i) {
ArgumentDescList.emplace_back(Args[i]);
for (unsigned i : indices(Args)) {
ArgumentDescList.emplace_back(Args[i], Allocator);
}
for (SILResultInfo IR : F->getLoweredFunctionType()->getResults()) {
ResultDescList.emplace_back(IR);
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