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| author | Dan Gohman <gohman@apple.com> | 2011-08-18 21:27:42 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2011-08-18 21:27:42 +0000 |
| commit | c57b58cc40596ac995fbcf4368cd3cb51181cb5b (patch) | |
| tree | 3a10661e96f2d2290f78eccf0b81c5e509afa747 /llvm/lib/Transforms/Scalar/ObjCARC.cpp | |
| parent | 764b0c14081dd621b99dde0a6361cf79dc1ee277 (diff) | |
| download | bcm5719-llvm-c57b58cc40596ac995fbcf4368cd3cb51181cb5b.tar.gz bcm5719-llvm-c57b58cc40596ac995fbcf4368cd3cb51181cb5b.zip | |
Make it clear that this code is iterating in reverse order through the array.
llvm-svn: 137985
Diffstat (limited to 'llvm/lib/Transforms/Scalar/ObjCARC.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/ObjCARC.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp index c74c353e81a..5e878cf459a 100644 --- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp +++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp @@ -2596,8 +2596,9 @@ ObjCARCOpt::Visit(Function &F, Order.push_back(Stack.pop_back_val().first); } bool BottomUpNestingDetected = false; - while (!Order.empty()) { - BasicBlock *BB = Order.pop_back_val(); + for (SmallVectorImpl<BasicBlock *>::const_reverse_iterator I = + Order.rbegin(), E = Order.rend(); I != E; ++I) { + BasicBlock *BB = *I; BottomUpNestingDetected |= VisitBottomUp(BB, BBStates, Retains); } |
