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Move internal enum out of class declaration [NFC] 

llvm-svn: 270054
This commit is contained in:
Johannes Doerfert 2016-05-19 12:36:43 +00:00
parent ffd222f2d6
commit 469db6a247
2 changed files with 13 additions and 13 deletions
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7
polly/include/polly/ScopDetection.h
View File

@ -203,13 +203,6 @@ private:
AliasAnalysis *AA;
//@}
/// @brief Enum for coloring BBs in Region.
///
/// WHITE - Unvisited BB in DFS walk.
/// GREY - BBs which are currently on the DFS stack for processing.
/// BLACK - Visited and completely processed BB.
enum Color { WHITE, GREY, BLACK };
/// @brief Map to remember detection contexts for all regions.
using DetectionContextMapTy = DenseMap<BBPair, DetectionContext>;
mutable DetectionContextMapTy DetectionContextMap;

19
polly/lib/Analysis/ScopDetection.cpp
View File

@ -1380,6 +1380,13 @@ void ScopDetection::emitMissedRemarks(const Function &F) {
}
}
/// @brief Enum for coloring BBs in Region.
///
/// WHITE - Unvisited BB in DFS walk.
/// GREY - BBs which are currently on the DFS stack for processing.
/// BLACK - Visited and completely processed BB.
enum Color { WHITE, GREY, BLACK };
bool ScopDetection::isReducibleRegion(Region &R, DebugLoc &DbgLoc) const {
BasicBlock *REntry = R.getEntry();
BasicBlock *RExit = R.getExit();
@ -1394,10 +1401,10 @@ bool ScopDetection::isReducibleRegion(Region &R, DebugLoc &DbgLoc) const {
// Initialize the map for all BB with WHITE color.
for (auto *BB : R.blocks())
BBColorMap[BB] = ScopDetection::WHITE;
BBColorMap[BB] = WHITE;
// Process the entry block of the Region.
BBColorMap[CurrBB] = ScopDetection::GREY;
BBColorMap[CurrBB] = GREY;
DFSStack.push(std::make_pair(CurrBB, 0));
while (!DFSStack.empty()) {
@ -1418,15 +1425,15 @@ bool ScopDetection::isReducibleRegion(Region &R, DebugLoc &DbgLoc) const {
continue;
// WHITE indicates an unvisited BB in DFS walk.
if (BBColorMap[SuccBB] == ScopDetection::WHITE) {
if (BBColorMap[SuccBB] == WHITE) {
// Push the current BB and the index of the next child to be visited.
DFSStack.push(std::make_pair(CurrBB, I + 1));
// Push the next BB to be processed.
DFSStack.push(std::make_pair(SuccBB, 0));
// First time the BB is being processed.
BBColorMap[SuccBB] = ScopDetection::GREY;
BBColorMap[SuccBB] = GREY;
break;
} else if (BBColorMap[SuccBB] == ScopDetection::GREY) {
} else if (BBColorMap[SuccBB] == GREY) {
// GREY indicates a loop in the control flow.
// If the destination dominates the source, it is a natural loop
// else, an irreducible control flow in the region is detected.
@ -1441,7 +1448,7 @@ bool ScopDetection::isReducibleRegion(Region &R, DebugLoc &DbgLoc) const {
// If all children of current BB have been processed,
// then mark that BB as fully processed.
if (AdjacentBlockIndex == NSucc)
BBColorMap[CurrBB] = ScopDetection::BLACK;
BBColorMap[CurrBB] = BLACK;
}
return true;