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[ScopInfo] Get a list of statements for a region node. NFC. 

When constructing a schedule true and there are multiple statements for
a basic block, create a sequence node for these statements.

Contributed-by: Nandini Singhal <cs15mtech01004@iith.ac.in>

Differential Revision: https://reviews.llvm.org/D35679

llvm-svn: 308635
This commit is contained in:
Michael Kruse 2017-07-20 17:18:58 +00:00
parent 4b1008af73
commit 1ce6791e7e
2 changed files with 10 additions and 12 deletions
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8
polly/include/polly/ScopInfo.h
View File

@ -2678,14 +2678,14 @@ public:
/// to be executed last, only that the incoming value is available in it.
ScopStmt *getLastStmtFor(BasicBlock *BB) const;
/// Return the ScopStmt that represents the Region @p R, or nullptr if
/// Return the ScopStmts that represents the Region @p R, or nullptr if
/// it is not represented by any statement in this Scop.
ScopStmt *getStmtFor(Region *R) const;
ArrayRef<ScopStmt *> getStmtListFor(Region *R) const;
/// Return the ScopStmt that represents @p RN; can return nullptr if
/// Return the ScopStmts that represents @p RN; can return nullptr if
/// the RegionNode is not within the SCoP or has been removed due to
/// simplifications.
ScopStmt *getStmtFor(RegionNode *RN) const;
ArrayRef<ScopStmt *> getStmtListFor(RegionNode *RN) const;
/// Return the ScopStmt an instruction belongs to, or nullptr if it
/// does not belong to any statement in this Scop.

14
polly/lib/Analysis/ScopInfo.cpp
View File

@ -4935,7 +4935,7 @@ void Scop::buildSchedule(RegionNode *RN, LoopStackTy &LoopStack, LoopInfo &LI) {
auto &LoopData = LoopStack.back();
LoopData.NumBlocksProcessed += getNumBlocksInRegionNode(RN);
if (auto *Stmt = getStmtFor(RN)) {
for (auto *Stmt : getStmtListFor(RN)) {
auto *UDomain = isl_union_set_from_set(Stmt->getDomain());
auto *StmtSchedule = isl_schedule_from_domain(UDomain);
LoopData.Schedule = combineInSequence(LoopData.Schedule, StmtSchedule);
@ -4995,16 +4995,14 @@ ScopStmt *Scop::getLastStmtFor(BasicBlock *BB) const {
return nullptr;
}
ScopStmt *Scop::getStmtFor(RegionNode *RN) const {
ArrayRef<ScopStmt *> Scop::getStmtListFor(RegionNode *RN) const {
if (RN->isSubRegion())
return getStmtFor(RN->getNodeAs<Region>());
return getStmtFor(RN->getNodeAs<BasicBlock>());
return getStmtListFor(RN->getNodeAs<Region>());
return getStmtListFor(RN->getNodeAs<BasicBlock>());
}
ScopStmt *Scop::getStmtFor(Region *R) const {
ScopStmt *Stmt = getStmtFor(R->getEntry());
assert(!Stmt || Stmt->getRegion() == R);
return Stmt;
ArrayRef<ScopStmt *> Scop::getStmtListFor(Region *R) const {
return getStmtListFor(R->getEntry());
}
int Scop::getRelativeLoopDepth(const Loop *L) const {