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Detection: Allow to filter the regions that can be detected

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llvm-svn: 200224
This commit is contained in:
Tobias Grosser 2014-01-27 14:24:53 +00:00
parent 26292ccc91
commit 4449e52655
1 changed files with 15 additions and 1 deletions
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16
polly/lib/Analysis/ScopDetection.cpp
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@ -84,6 +84,13 @@ OnlyFunction("polly-only-func", cl::desc("Only run on a single function"),
cl::value_desc("function-name"), cl::ValueRequired, cl::init(""), cl::value_desc("function-name"), cl::ValueRequired, cl::init(""),
cl::cat(PollyCategory)); cl::cat(PollyCategory));
static cl::opt<std::string>
OnlyRegion("polly-only-region",
cl::desc("Only run on certain regions (The provided identifier must "
"appear in the name of the region's entry block"),
cl::value_desc("identifier"), cl::ValueRequired, cl::init(""),
cl::cat(PollyCategory));
static cl::opt<bool> static cl::opt<bool>
IgnoreAliasing("polly-ignore-aliasing", IgnoreAliasing("polly-ignore-aliasing",
cl::desc("Ignore possible aliasing of the array bases"), cl::desc("Ignore possible aliasing of the array bases"),
@ -626,12 +633,19 @@ bool ScopDetection::isValidRegion(DetectionContext &Context) const {
DEBUG(dbgs() << "Checking region: " << R.getNameStr() << "\n\t"); DEBUG(dbgs() << "Checking region: " << R.getNameStr() << "\n\t");
// The toplevel region is no valid region.
if (R.isTopLevelRegion()) { if (R.isTopLevelRegion()) {
DEBUG(dbgs() << "Top level region is invalid"; dbgs() << "\n"); DEBUG(dbgs() << "Top level region is invalid"; dbgs() << "\n");
return false; return false;
} }
if (!R.getEntry()->getName().count(OnlyRegion)) {
DEBUG({
dbgs() << "Region entry does not match -polly-region-only";
dbgs() << "\n";
});
return false;
}
if (!R.getEnteringBlock()) { if (!R.getEnteringBlock()) {
BasicBlock *entry = R.getEntry(); BasicBlock *entry = R.getEntry();
Loop *L = LI->getLoopFor(entry); Loop *L = LI->getLoopFor(entry);