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| author | Michael Kruse <llvm@meinersbur.de> | 2017-08-22 17:09:51 +0000 |
|---|---|---|
| committer | Michael Kruse <llvm@meinersbur.de> | 2017-08-22 17:09:51 +0000 |
| commit | 5b228bbb1241f7e0c62b54236c5299a7207d5125 (patch) | |
| tree | 08b3236d0cdd2f81f76a0e4aacb86751460aa945 | |
| parent | 9cbbacb910312f86fef2d17e4d79bfd93a42a51b (diff) | |
| download | bcm5719-llvm-5b228bbb1241f7e0c62b54236c5299a7207d5125.tar.gz bcm5719-llvm-5b228bbb1241f7e0c62b54236c5299a7207d5125.zip | |
[ScopDetection] Add stat for total number of loops.
The total number of loops is useful as a baseline comparing how many
loops have been optimized in different configurations.
llvm-svn: 311469
| -rw-r--r-- | polly/lib/Analysis/ScopDetection.cpp | 14 | ||||
| -rw-r--r-- | polly/test/ScopDetect/statistics.ll | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/polly/lib/Analysis/ScopDetection.cpp b/polly/lib/Analysis/ScopDetection.cpp index 6b5ed8408e0..d6c9849b90e 100644 --- a/polly/lib/Analysis/ScopDetection.cpp +++ b/polly/lib/Analysis/ScopDetection.cpp @@ -212,6 +212,8 @@ StringRef polly::PollySkipFnAttr = "polly.skip.fn"; //===----------------------------------------------------------------------===// // Statistics. +STATISTIC(NumTotalLoops, "Number of loops (in- or out of scops, in any " + "function processed by Polly)"); STATISTIC(NumScopRegions, "Number of scops"); STATISTIC(NumLoopsInScop, "Number of loops in scops"); STATISTIC(NumScopsDepthOne, "Number of scops with maximal loop depth 1"); @@ -303,6 +305,17 @@ static bool doesStringMatchAnyRegex(StringRef Str, //===----------------------------------------------------------------------===// // ScopDetection. +static void countTotalLoops(Loop *L) { + NumTotalLoops++; + for (Loop *SubLoop : L->getSubLoops()) + countTotalLoops(SubLoop); +} + +static void countTotalLoops(LoopInfo &LI) { + for (Loop *L : LI) + countTotalLoops(L); +} + ScopDetection::ScopDetection(Function &F, const DominatorTree &DT, ScalarEvolution &SE, LoopInfo &LI, RegionInfo &RI, AliasAnalysis &AA, OptimizationRemarkEmitter &ORE) @@ -325,6 +338,7 @@ ScopDetection::ScopDetection(Function &F, const DominatorTree &DT, findScops(*TopRegion); + countTotalLoops(LI); NumScopRegions += ValidRegions.size(); // Prune non-profitable regions. diff --git a/polly/test/ScopDetect/statistics.ll b/polly/test/ScopDetect/statistics.ll index eb61fb50979..ca6a3e0f949 100644 --- a/polly/test/ScopDetect/statistics.ll +++ b/polly/test/ScopDetect/statistics.ll @@ -2,6 +2,7 @@ ; REQUIRES: asserts +; CHECK-DAG: 10 polly-detect - Number of loops (in- or out of scops, in any function processed by Polly) ; CHECK-DAG: 4 polly-detect - Maximal number of loops in scops (profitable scops only) ; CHECK-DAG: 4 polly-detect - Maximal number of loops in scops ; CHECK-DAG: 10 polly-detect - Number of loops in scops (profitable scops only) |
