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| author | Dan Gohman <gohman@apple.com> | 2010-01-05 16:27:25 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-01-05 16:27:25 +0000 |
| commit | 321a813c536e2f1f2f05bbe78a7fbf64046f0557 (patch) | |
| tree | 550286e12d0329b7e1ab4b88483a741672bd9515 /lib/Transforms/Utils/CloneLoop.cpp | |
| parent | b7a9f2b5042589db89e521a4f86fd2fd70845e0f (diff) | |
| download | external_llvm-321a813c536e2f1f2f05bbe78a7fbf64046f0557.zip external_llvm-321a813c536e2f1f2f05bbe78a7fbf64046f0557.tar.gz external_llvm-321a813c536e2f1f2f05bbe78a7fbf64046f0557.tar.bz2 | |
Use do+while instead of while for loops which obviously have a
non-zero trip count. Use SmallVector's pop_back_val().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92734 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/CloneLoop.cpp')
| -rw-r--r-- | lib/Transforms/Utils/CloneLoop.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Utils/CloneLoop.cpp b/lib/Transforms/Utils/CloneLoop.cpp index 7e000a1..38928dc 100644 --- a/lib/Transforms/Utils/CloneLoop.cpp +++ b/lib/Transforms/Utils/CloneLoop.cpp @@ -91,7 +91,7 @@ Loop *llvm::CloneLoop(Loop *OrigL, LPPassManager *LPM, LoopInfo *LI, Loop *NewParentLoop = NULL; - while (!LoopNest.empty()) { + do { Loop *L = LoopNest.pop_back_val(); Loop *NewLoop = new Loop(); @@ -123,7 +123,7 @@ Loop *llvm::CloneLoop(Loop *OrigL, LPPassManager *LPM, LoopInfo *LI, // Process sub loops for (Loop::iterator I = L->begin(), E = L->end(); I != E; ++I) LoopNest.push_back(*I); - } + } while (!LoopNest.empty()); // Remap instructions to reference operands from ValueMap. for(SmallVector<BasicBlock *, 16>::iterator NBItr = NewBlocks.begin(), |