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-rw-r--r--lib/Analysis/ScalarEvolution.cpp42
1 files changed, 19 insertions, 23 deletions
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 6cc89bd801..7d03eb9a94 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -59,6 +59,7 @@
//
//===----------------------------------------------------------------------===//
+#define DEBUG_TYPE "scalar-evolution"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
@@ -82,32 +83,27 @@
#include <cmath>
using namespace llvm;
+STATISTIC(NumBruteForceEvaluations,
+ "Number of brute force evaluations needed to "
+ "calculate high-order polynomial exit values");
+STATISTIC(NumArrayLenItCounts,
+ "Number of trip counts computed with array length");
+STATISTIC(NumTripCountsComputed,
+ "Number of loops with predictable loop counts");
+STATISTIC(NumTripCountsNotComputed,
+ "Number of loops without predictable loop counts");
+STATISTIC(NumBruteForceTripCountsComputed,
+ "Number of loops with trip counts computed by force");
+
+cl::opt<unsigned>
+MaxBruteForceIterations("scalar-evolution-max-iterations", cl::ReallyHidden,
+ cl::desc("Maximum number of iterations SCEV will "
+ "symbolically execute a constant derived loop"),
+ cl::init(100));
+
namespace {
RegisterPass<ScalarEvolution>
R("scalar-evolution", "Scalar Evolution Analysis");
-
- Statistic
- NumBruteForceEvaluations("scalar-evolution",
- "Number of brute force evaluations needed to "
- "calculate high-order polynomial exit values");
- Statistic
- NumArrayLenItCounts("scalar-evolution",
- "Number of trip counts computed with array length");
- Statistic
- NumTripCountsComputed("scalar-evolution",
- "Number of loops with predictable loop counts");
- Statistic
- NumTripCountsNotComputed("scalar-evolution",
- "Number of loops without predictable loop counts");
- Statistic
- NumBruteForceTripCountsComputed("scalar-evolution",
- "Number of loops with trip counts computed by force");
-
- cl::opt<unsigned>
- MaxBruteForceIterations("scalar-evolution-max-iterations", cl::ReallyHidden,
- cl::desc("Maximum number of iterations SCEV will "
- "symbolically execute a constant derived loop"),
- cl::init(100));
}
//===----------------------------------------------------------------------===//