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| author | Chad Rosier <mcrosier@codeaurora.org> | 2015-03-10 20:29:59 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@codeaurora.org> | 2015-03-10 20:29:59 +0000 |
| commit | 99fb8d17ec08dbd3b465e0ef431a5ad9a2bbc84a (patch) | |
| tree | 6b80ef937216bdd564c6e2c83a4141c15772af3d /llvm/lib/CodeGen/BranchFolding.cpp | |
| parent | d388e930ce6d8aa1b47e0ce40017f6542887349e (diff) | |
| download | bcm5719-llvm-99fb8d17ec08dbd3b465e0ef431a5ad9a2bbc84a.tar.gz bcm5719-llvm-99fb8d17ec08dbd3b465e0ef431a5ad9a2bbc84a.zip | |
Don't evaluate rend() on every iteration of the loop.
llvm-svn: 231837
Diffstat (limited to 'llvm/lib/CodeGen/BranchFolding.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/BranchFolding.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp index 05bf31b3ba0..a2e981680c6 100644 --- a/llvm/lib/CodeGen/BranchFolding.cpp +++ b/llvm/lib/CodeGen/BranchFolding.cpp @@ -755,11 +755,13 @@ removeMMOsFromMemoryOperations(MachineBasicBlock::iterator MBBIStartPos, ++CommonTailLen; MachineBasicBlock::reverse_iterator MBBI = MBB->rbegin(); + MachineBasicBlock::reverse_iterator MBBIE = MBB->rend(); MachineBasicBlock::reverse_iterator MBBICommon = MBBCommon.rbegin(); MachineBasicBlock::reverse_iterator MBBIECommon = MBBCommon.rend(); while (CommonTailLen--) { - assert(MBBI != MBB->rend() && "Reached BB end within common tail length!"); + assert(MBBI != MBBIE && "Reached BB end within common tail length!"); + (void)MBBIE; if (MBBI->isDebugValue()) { ++MBBI; |
