Running -grsimple now emits diagnostics about the time spent analyzing each function. Will
probably make this a separate command line option later.
Added "--analyze-function" option to the driver to (gradually) allow different
analyses to only be run on specific functions. Currently only --grsimple uses
this option.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47285 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/ASTConsumers.cpp b/Driver/ASTConsumers.cpp
index 73f843f..9759e9a 100644
--- a/Driver/ASTConsumers.cpp
+++ b/Driver/ASTConsumers.cpp
@@ -23,6 +23,7 @@
#include "clang/Analysis/Analyses/GRSimpleVals.h"
#include "clang/Analysis/LocalCheckers.h"
#include "llvm/Support/Streams.h"
+#include "llvm/Support/Timer.h"
using namespace clang;
//===----------------------------------------------------------------------===//
@@ -581,22 +582,43 @@
Diagnostic &Diags;
ASTContext* Ctx;
bool Visualize;
+ std::string FName;
public:
- GRSimpleValsVisitor(Diagnostic &diags, bool visualize)
- : Diags(diags), Visualize(visualize) {}
+ GRSimpleValsVisitor(Diagnostic &diags, const std::string& fname, bool visualize)
+ : Diags(diags), Visualize(visualize), FName(fname) {}
virtual void Initialize(ASTContext &Context) { Ctx = &Context; }
virtual void VisitCFG(CFG& C, FunctionDecl&);
- virtual bool printFuncDeclStart() { return Visualize; }
+ virtual bool printFuncDeclStart() { return false; }
};
} // end anonymous namespace
-ASTConsumer* clang::CreateGRSimpleVals(Diagnostic &Diags, bool Visualize) {
- return new GRSimpleValsVisitor(Diags, Visualize);
+ASTConsumer* clang::CreateGRSimpleVals(Diagnostic &Diags,
+ const std::string& FunctionName,
+ bool Visualize) {
+
+ return new GRSimpleValsVisitor(Diags, FunctionName, Visualize);
}
void GRSimpleValsVisitor::VisitCFG(CFG& C, FunctionDecl& FD) {
- RunGRSimpleVals(C, FD, *Ctx, Diags, Visualize);
+ if (FName.size() > 0 && FName != FD.getIdentifier()->getName())
+ return;
+
+ if (!Visualize) {
+ llvm::cerr << "ANALYZE: " << FD.getIdentifier()->getName() << ' '
+ << Ctx->getSourceManager().getSourceName(FD.getLocation())
+ << ' ';
+
+ llvm::Timer T("GRSimpleVals");
+ T.startTimer();
+ RunGRSimpleVals(C, FD, *Ctx, Diags, Visualize);
+ T.stopTimer();
+ llvm::cerr << T.getWallTime() << '\n';
+ }
+ else {
+ llvm::cerr << '\n';
+ RunGRSimpleVals(C, FD, *Ctx, Diags, Visualize);
+ }
}
//===----------------------------------------------------------------------===//