diff options
| -rw-r--r-- | lib/Transforms/Scalar/MemCpyOptimizer.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp index fd74a03..d6b1585 100644 --- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp +++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp @@ -31,6 +31,7 @@ using namespace llvm; STATISTIC(NumMemCpyInstr, "Number of memcpy instructions deleted"); STATISTIC(NumMemSetInfer, "Number of memsets inferred"); +STATISTIC(NumMoveToCpy, "Number of memmoves converted to memcpy"); /// isBytewiseValue - If the specified value can be set by repeating the same /// byte in memory, return the i8 value that it is represented with. This is @@ -728,10 +729,12 @@ bool MemCpyOpt::processMemMove(MemMoveInst *M) { Module *Mod = M->getParent()->getParent()->getParent(); const Type *Ty = M->getLength()->getType(); M->setOperand(0, Intrinsic::getDeclaration(Mod, Intrinsic::memcpy, &Ty, 1)); - + // MemDep may have over conservative information about this instruction, just // conservatively flush it from the cache. getAnalysis<MemoryDependenceAnalysis>().removeInstruction(M); + + ++NumMoveToCpy; return true; } |