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author | Alexander Musman <alexander.musman@gmail.com> | 2014-04-23 08:40:37 +0000 |
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committer | Alexander Musman <alexander.musman@gmail.com> | 2014-04-23 08:40:37 +0000 |
commit | bf255f5d5a54b2a16a61098709a2b02423761b56 (patch) | |
tree | aac406d0b95a7838cdbfbe1afbae6af28f0ce257 /lib/Transforms/Vectorize | |
parent | 07c2241e45915922e0c7bede9558dcd6f318ebdc (diff) | |
download | llvm-bf255f5d5a54b2a16a61098709a2b02423761b56.tar.gz llvm-bf255f5d5a54b2a16a61098709a2b02423761b56.tar.bz2 llvm-bf255f5d5a54b2a16a61098709a2b02423761b56.tar.xz |
[LV] Statistics numbers for LoopVectorize introduced: a number of analyzed loops & a number of vectorized loops.
Use -stats to see how many loops were analyzed for possible vectorization and how many of them were actually vectorized.
Patch by Zinovy Nis
Differential Revision: http://reviews.llvm.org/D3438
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206956 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Vectorize')
-rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp index dbc9599a75..6941bb79ff 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.cpp +++ b/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -51,6 +51,7 @@ #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallSet.h" #include "llvm/ADT/SmallVector.h" +#include "llvm/ADT/Statistic.h" #include "llvm/ADT/StringExtras.h" #include "llvm/Analysis/AliasAnalysis.h" #include "llvm/Analysis/BlockFrequencyInfo.h" @@ -98,6 +99,9 @@ using namespace llvm::PatternMatch; #define LV_NAME "loop-vectorize" #define DEBUG_TYPE LV_NAME +STATISTIC(LoopsVectorized, "Number of loops vectorized"); +STATISTIC(LoopsAnalyzed, "Number of loops analyzed for vectorization"); + static cl::opt<unsigned> VectorizationFactor("force-vector-width", cl::init(0), cl::Hidden, cl::desc("Sets the SIMD width. Zero is autoselect.")); @@ -1080,6 +1084,8 @@ struct LoopVectorize : public FunctionPass { for (Loop *L : *LI) addInnerLoop(*L, Worklist); + LoopsAnalyzed += Worklist.size(); + // Now walk the identified inner loops. bool Changed = false; while (!Worklist.empty()) @@ -1182,6 +1188,7 @@ struct LoopVectorize : public FunctionPass { // If we decided that it is *legal* to vectorize the loop then do it. InnerLoopVectorizer LB(L, SE, LI, DT, DL, TLI, VF.Width, UF); LB.vectorize(&LVL); + ++LoopsVectorized; } // Mark the loop as already vectorized to avoid vectorizing again. |