[Refactor][NFC] Map basic blocks to SCoP statements.

  This will simplify the construction of domains and the modeling of
  PHI's.

llvm-svn: 221015

1 files changed, 2 insertions, 5 deletions

diff --git a/polly/lib/Support/ScopHelper.cpp b/polly/lib/Support/ScopHelper.cpp
index 87ee1abbb55..9541c8edffd 100644
--- a/polly/lib/Support/ScopHelper.cpp
+++ b/polly/lib/Support/ScopHelper.cpp
@@ -88,11 +88,8 @@ BasicBlock *polly::createSingleExitEdge(Region *R, Pass *P) {
 
 static void replaceScopAndRegionEntry(polly::Scop *S, BasicBlock *OldEntry,
                                       BasicBlock *NewEntry) {
-  for (polly::ScopStmt *Stmt : *S)
-    if (Stmt->getBasicBlock() == OldEntry) {
-      Stmt->setBasicBlock(NewEntry);
-      break;
-    }
+  if (polly::ScopStmt *Stmt = S->getStmtForBasicBlock(OldEntry))
+    Stmt->setBasicBlock(NewEntry);
 
   S->getRegion().replaceEntryRecursive(NewEntry);
 }