[cfe-commits] r152494 - /cfe/trunk/lib/Analysis/AnalysisDeclContext.cpp
Benjamin Kramer
benny.kra at googlemail.com
Sat Mar 10 07:08:09 PST 2012
Author: d0k
Date: Sat Mar 10 09:08:09 2012
New Revision: 152494
URL: http://llvm.org/viewvc/llvm-project?rev=152494&view=rev
Log:
Replace a map of boolean values with a set.
No functionality change.
Modified:
cfe/trunk/lib/Analysis/AnalysisDeclContext.cpp
Modified: cfe/trunk/lib/Analysis/AnalysisDeclContext.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/AnalysisDeclContext.cpp?rev=152494&r1=152493&r2=152494&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/AnalysisDeclContext.cpp (original)
+++ cfe/trunk/lib/Analysis/AnalysisDeclContext.cpp Sat Mar 10 09:08:09 2012
@@ -25,7 +25,7 @@
#include "clang/Analysis/CFGStmtMap.h"
#include "clang/Analysis/Support/BumpVector.h"
#include "llvm/Support/SaveAndRestore.h"
-#include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/ErrorHandling.h"
using namespace clang;
@@ -335,8 +335,8 @@
class FindBlockDeclRefExprsVals : public StmtVisitor<FindBlockDeclRefExprsVals>{
BumpVector<const VarDecl*> &BEVals;
BumpVectorContext &BC;
- llvm::DenseMap<const VarDecl*, unsigned> Visited;
- llvm::SmallSet<const DeclContext*, 4> IgnoredContexts;
+ llvm::SmallPtrSet<const VarDecl*, 4> Visited;
+ llvm::SmallPtrSet<const DeclContext*, 4> IgnoredContexts;
public:
FindBlockDeclRefExprsVals(BumpVector<const VarDecl*> &bevals,
BumpVectorContext &bc)
@@ -355,21 +355,15 @@
void VisitDeclRefExpr(DeclRefExpr *DR) {
// Non-local variables are also directly modified.
- if (const VarDecl *VD = dyn_cast<VarDecl>(DR->getDecl()))
+ if (const VarDecl *VD = dyn_cast<VarDecl>(DR->getDecl())) {
if (!VD->hasLocalStorage()) {
- unsigned &flag = Visited[VD];
- if (!flag) {
- flag = 1;
+ if (Visited.insert(VD))
BEVals.push_back(VD, BC);
- }
} else if (DR->refersToEnclosingLocal()) {
- unsigned &flag = Visited[VD];
- if (!flag) {
- flag = 1;
- if (IsTrackedDecl(VD))
- BEVals.push_back(VD, BC);
- }
+ if (Visited.insert(VD) && IsTrackedDecl(VD))
+ BEVals.push_back(VD, BC);
}
+ }
}
void VisitBlockExpr(BlockExpr *BR) {
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