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| author | 2014-09-18 15:02:40 +0000 | |
|---|---|---|
| committer | 2014-09-18 15:02:41 +0000 | |
| commit | aaadf03fd8d9f6a50a3b8b4b916e7cc161e4edba (patch) | |
| tree | 2447d33b3338e2448f061aaeff471bd9342325d3 /compiler/optimizing/nodes.h | |
| parent | 6aa606c9284ac31961f4c5b20c3645ac78acfaad (diff) | |
| parent | 604c6e4764edb2fd244e9f47626868cda5644a7a (diff) | |
Merge "Ensure the first predecessor of a loop is the pre header."
Diffstat (limited to 'compiler/optimizing/nodes.h')
| -rw-r--r-- | compiler/optimizing/nodes.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/optimizing/nodes.h b/compiler/optimizing/nodes.h index b012cef3da..a4c8ce50c3 100644 --- a/compiler/optimizing/nodes.h +++ b/compiler/optimizing/nodes.h @@ -338,6 +338,13 @@ class HBasicBlock : public ArenaObject { block->successors_.Add(this); } + void SwapPredecessors() { + DCHECK(predecessors_.Size() == 2); + HBasicBlock* temp = predecessors_.Get(0); + predecessors_.Put(0, predecessors_.Get(1)); + predecessors_.Put(1, temp); + } + size_t GetPredecessorIndexOf(HBasicBlock* predecessor) { for (size_t i = 0, e = predecessors_.Size(); i < e; ++i) { if (predecessors_.Get(i) == predecessor) { |