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[Rewrite] Use SmallSetVector (NFC) #109746
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[Rewrite] Use SmallSetVector (NFC) #109746
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We can combine: SmallVector<ValueDecl *, 8> BlockByCopyDecls; llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet; into: llvm::SmallSetVector<ValueDecl *, 8> BlockByCopyDecls; Likewise, we can combine: SmallVector<ValueDecl *, 8> BlockByRefDecls; llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet; into: llvm::SmallSetVector<ValueDecl *, 8> BlockByRefDecls;
@llvm/pr-subscribers-clang Author: Kazu Hirata (kazutakahirata) ChangesWe can combine: SmallVector<ValueDecl *, 8> BlockByCopyDecls; into: llvm::SmallSetVector<ValueDecl *, 8> BlockByCopyDecls; Likewise, we can combine: SmallVector<ValueDecl *, 8> BlockByRefDecls; into: llvm::SmallSetVector<ValueDecl *, 8> BlockByRefDecls; Full diff: https://github.com/llvm/llvm-project/pull/109746.diff 1 Files Affected:
diff --git a/clang/lib/Frontend/Rewrite/RewriteObjC.cpp b/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
index a1e792bf772ba2..f49ccf7be68e22 100644
--- a/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
+++ b/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
@@ -128,10 +128,8 @@ namespace {
SmallVector<DeclRefExpr *, 32> BlockDeclRefs;
// Block related declarations.
- SmallVector<ValueDecl *, 8> BlockByCopyDecls;
- llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet;
- SmallVector<ValueDecl *, 8> BlockByRefDecls;
- llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet;
+ llvm::SmallSetVector<ValueDecl *, 8> BlockByCopyDecls;
+ llvm::SmallSetVector<ValueDecl *, 8> BlockByRefDecls;
llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo;
llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls;
llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls;
@@ -3357,7 +3355,7 @@ std::string RewriteObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i,
S += VD->getNameAsString();
S += ", (void*)src->";
S += VD->getNameAsString();
- if (BlockByRefDeclsPtrSet.count(VD))
+ if (BlockByRefDecls.contains(VD))
S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);";
else if (VD->getType()->isBlockPointerType())
S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);";
@@ -3374,7 +3372,7 @@ std::string RewriteObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i,
for (ValueDecl *VD : ImportedBlockDecls) {
S += "_Block_object_dispose((void*)src->";
S += VD->getNameAsString();
- if (BlockByRefDeclsPtrSet.count(VD))
+ if (BlockByRefDecls.contains(VD))
S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);";
else if (VD->getType()->isBlockPointerType())
S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);";
@@ -3553,14 +3551,10 @@ void RewriteObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart,
DeclRefExpr *Exp = InnerDeclRefs[count++];
ValueDecl *VD = Exp->getDecl();
BlockDeclRefs.push_back(Exp);
- if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) {
- BlockByCopyDeclsPtrSet.insert(VD);
- BlockByCopyDecls.push_back(VD);
- }
- if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) {
- BlockByRefDeclsPtrSet.insert(VD);
- BlockByRefDecls.push_back(VD);
- }
+ if (VD->hasAttr<BlocksAttr>())
+ BlockByRefDecls.insert(VD);
+ else
+ BlockByCopyDecls.insert(VD);
// imported objects in the inner blocks not used in the outer
// blocks must be copied/disposed in the outer block as well.
if (VD->hasAttr<BlocksAttr>() ||
@@ -3590,9 +3584,7 @@ void RewriteObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart,
BlockDeclRefs.clear();
BlockByRefDecls.clear();
- BlockByRefDeclsPtrSet.clear();
BlockByCopyDecls.clear();
- BlockByCopyDeclsPtrSet.clear();
ImportedBlockDecls.clear();
}
if (RewriteSC) {
@@ -4314,20 +4306,12 @@ void RewriteObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) {
if (BlockDeclRefs.size()) {
// Unique all "by copy" declarations.
for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
- if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) {
- if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) {
- BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl());
- BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl());
- }
- }
+ if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>())
+ BlockByCopyDecls.insert(BlockDeclRefs[i]->getDecl());
// Unique all "by ref" declarations.
for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
- if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) {
- if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) {
- BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl());
- BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl());
- }
- }
+ if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>())
+ BlockByRefDecls.insert(BlockDeclRefs[i]->getDecl());
// Find any imported blocks...they will need special attention.
for (unsigned i = 0; i < BlockDeclRefs.size(); i++)
if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() ||
@@ -4358,22 +4342,18 @@ Stmt *RewriteObjC::SynthBlockInitExpr(BlockExpr *Exp,
for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) {
DeclRefExpr *Exp = InnerBlockDeclRefs[i];
ValueDecl *VD = Exp->getDecl();
- if (!VD->hasAttr<BlocksAttr>() &&
- BlockByCopyDeclsPtrSet.insert(VD).second) {
+ if (!VD->hasAttr<BlocksAttr>() && BlockByCopyDecls.insert(VD)) {
// We need to save the copied-in variables in nested
// blocks because it is needed at the end for some of the API
// generations. See SynthesizeBlockLiterals routine.
InnerDeclRefs.push_back(Exp);
countOfInnerDecls++;
BlockDeclRefs.push_back(Exp);
- BlockByCopyDecls.push_back(VD);
}
- if (VD->hasAttr<BlocksAttr>() &&
- BlockByRefDeclsPtrSet.insert(VD).second) {
+ if (VD->hasAttr<BlocksAttr>() && BlockByRefDecls.insert(VD)) {
InnerDeclRefs.push_back(Exp);
countOfInnerDecls++;
BlockDeclRefs.push_back(Exp);
- BlockByRefDecls.push_back(VD);
}
}
// Find any imported blocks...they will need special attention.
@@ -4534,9 +4514,7 @@ Stmt *RewriteObjC::SynthBlockInitExpr(BlockExpr *Exp,
NewRep);
BlockDeclRefs.clear();
BlockByRefDecls.clear();
- BlockByRefDeclsPtrSet.clear();
BlockByCopyDecls.clear();
- BlockByCopyDeclsPtrSet.clear();
ImportedBlockDecls.clear();
return NewRep;
}
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LGTM
We can combine:
SmallVector<ValueDecl *, 8> BlockByCopyDecls;
llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet;
into:
llvm::SmallSetVector<ValueDecl *, 8> BlockByCopyDecls;
Likewise, we can combine:
SmallVector<ValueDecl *, 8> BlockByRefDecls;
llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet;
into:
llvm::SmallSetVector<ValueDecl *, 8> BlockByRefDecls;