diff options
| -rw-r--r-- | lib/Transforms/Scalar/SROA.cpp | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/lib/Transforms/Scalar/SROA.cpp b/lib/Transforms/Scalar/SROA.cpp index 0e57e5cc12..38c9aead4b 100644 --- a/lib/Transforms/Scalar/SROA.cpp +++ b/lib/Transforms/Scalar/SROA.cpp @@ -57,11 +57,15 @@ using namespace llvm; STATISTIC(NumAllocasAnalyzed, "Number of allocas analyzed for replacement"); -STATISTIC(NumNewAllocas, "Number of new, smaller allocas introduced"); -STATISTIC(NumPromoted, "Number of allocas promoted to SSA values"); +STATISTIC(NumAllocaPartitions, "Number of alloca partitions formed"); +STATISTIC(MaxPartitionsPerAlloca, "Maximum number of partitions"); +STATISTIC(NumAllocaPartitionUses, "Number of alloca partition uses found"); +STATISTIC(MaxPartitionUsesPerAlloca, "Maximum number of partition uses"); +STATISTIC(NumNewAllocas, "Number of new, smaller allocas introduced"); +STATISTIC(NumPromoted, "Number of allocas promoted to SSA values"); STATISTIC(NumLoadsSpeculated, "Number of loads speculated to allow promotion"); -STATISTIC(NumDeleted, "Number of instructions deleted"); -STATISTIC(NumVectorized, "Number of vectorized aggregates"); +STATISTIC(NumDeleted, "Number of instructions deleted"); +STATISTIC(NumVectorized, "Number of vectorized aggregates"); /// Hidden option to force the pass to not use DomTree and mem2reg, instead /// forming SSA values through the SSAUpdater infrastructure. @@ -1097,6 +1101,10 @@ AllocaPartitioning::AllocaPartitioning(const DataLayout &TD, AllocaInst &AI) splitAndMergePartitions(); } + // Record how many partitions we end up with. + NumAllocaPartitions += Partitions.size(); + MaxPartitionsPerAlloca = std::max<unsigned>(Partitions.size(), MaxPartitionsPerAlloca); + // Now build up the user lists for each of these disjoint partitions by // re-walking the recursive users of the alloca. Uses.resize(Partitions.size()); @@ -1104,6 +1112,14 @@ AllocaPartitioning::AllocaPartitioning(const DataLayout &TD, AllocaInst &AI) PtrI = UB.visitPtr(AI); assert(!PtrI.isEscaped() && "Previously analyzed pointer now escapes!"); assert(!PtrI.isAborted() && "Early aborted the visit of the pointer."); + + unsigned NumUses = 0; +#if !defined(NDEBUG) || defined(LLVM_ENABLE_STATS) + for (unsigned Idx = 0, Size = Uses.size(); Idx != Size; ++Idx) + NumUses += Uses[Idx].size(); + NumAllocaPartitionUses += NumUses; +#endif + MaxPartitionUsesPerAlloca = std::max<unsigned>(NumUses, MaxPartitionUsesPerAlloca); } Type *AllocaPartitioning::getCommonType(iterator I) const { |