Add comment to emphasize that the while body is empty.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66115 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2009-03-05 01:08:35 +00:00
parent a0a6637b25
commit e562149cdb

View File

@ -153,7 +153,7 @@ void CondProp::SimplifyPredecessors(BranchInst *BI) {
return; return;
BasicBlock::iterator BBI = BB->begin(); BasicBlock::iterator BBI = BB->begin();
BasicBlock::iterator BBE = BB->end(); BasicBlock::iterator BBE = BB->end();
while (BBI != BBE && isa<DbgInfoIntrinsic>(++BBI)) ; while (BBI != BBE && isa<DbgInfoIntrinsic>(++BBI)) /* empty */;
if (&*BBI != BI) if (&*BBI != BI)
return; return;
@ -192,7 +192,7 @@ void CondProp::SimplifyPredecessors(SwitchInst *SI) {
return; return;
BasicBlock::iterator BBI = BB->begin(); BasicBlock::iterator BBI = BB->begin();
BasicBlock::iterator BBE = BB->end(); BasicBlock::iterator BBE = BB->end();
while (BBI != BBE && isa<DbgInfoIntrinsic>(++BBI)) ; while (BBI != BBE && isa<DbgInfoIntrinsic>(++BBI)) /* empty */;
if (&*BBI != SI) if (&*BBI != SI)
return; return;