If the 'while' has an empty body, set the body to the continue target block.

Although this does not make the CFG more correct, it makes the CFG more
beautiful without multiple roots.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79509 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/CFG.cpp b/lib/Analysis/CFG.cpp
index 336faabdfb5f363b3a3b8d3cb22c37b707c81b26..1cfe858c8dbcc6a36980e471b8fcd9909e500342 100644 (file)
--- a/lib/Analysis/CFG.cpp
+++ b/lib/Analysis/CFG.cpp
@@ -1146,7 +1146,7 @@ CFGBlock* CFGBuilder::VisitWhileStmt(WhileStmt* W) {
     CFGBlock* BodyBlock = addStmt(W->getBody());
 
     if (!BodyBlock)
-      BodyBlock = EntryConditionBlock; // can happen for "while(...) ;"
+      BodyBlock = ContinueTargetBlock; // can happen for "while(...) ;"
     else if (Block) {
       if (!FinishBlock(BodyBlock))
         return 0;