diff options
Diffstat (limited to 'polly/lib/Analysis/ScopInfo.cpp')
| -rw-r--r-- | polly/lib/Analysis/ScopInfo.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/polly/lib/Analysis/ScopInfo.cpp b/polly/lib/Analysis/ScopInfo.cpp index 2f6e59c351d..d5e43970faf 100644 --- a/polly/lib/Analysis/ScopInfo.cpp +++ b/polly/lib/Analysis/ScopInfo.cpp @@ -80,6 +80,11 @@ static cl::opt<std::string> UserContextStr( cl::desc("Provide additional constraints on the context parameters"), cl::init(""), cl::cat(PollyCategory)); +static cl::opt<bool> DetectReductions("polly-detect-reductions", + cl::desc("Detect and exploit reductions"), + cl::Hidden, cl::ZeroOrMore, + cl::init(true), cl::cat(PollyCategory)); + // Create a sequence of two schedules. Either argument may be null and is // interpreted as the empty schedule. Can also return null if both schedules are // empty. @@ -894,7 +899,8 @@ ScopStmt::ScopStmt(Scop &parent, TempScop &tempScop, const Region &CurRegion, buildAccesses(tempScop, Block, Block != EntryBB); deriveAssumptions(Block); } - checkForReductions(); + if (DetectReductions) + checkForReductions(); } ScopStmt::ScopStmt(Scop &parent, TempScop &tempScop, const Region &CurRegion, @@ -910,7 +916,8 @@ ScopStmt::ScopStmt(Scop &parent, TempScop &tempScop, const Region &CurRegion, buildDomain(tempScop, CurRegion); buildAccesses(tempScop, BB); deriveAssumptions(BB); - checkForReductions(); + if (DetectReductions) + checkForReductions(); } /// @brief Collect loads which might form a reduction chain with @p StoreMA |
