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author | Tanya Lattner <tonic@nondot.org> | 2009-02-18 00:23:25 +0000 |
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committer | Tanya Lattner <tonic@nondot.org> | 2009-02-18 00:23:25 +0000 |
commit | b0ba5215f6ae7faf412cf42b85ec4ad3fd0eefbc (patch) | |
tree | ef1c71a465a8ecadb304142394d3534a0ebc1b4c | |
parent | 41b57f5044c9e9e737ff20f55dc980026f4152f7 (diff) | |
download | llvm-b0ba5215f6ae7faf412cf42b85ec4ad3fd0eefbc.tar.gz |
Merge from mainline. Complete 64076 merge from mainline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_25@64861 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/CodeGen/LiveInterval.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h index fb7448635711..1e8202e5f4bf 100644 --- a/include/llvm/CodeGen/LiveInterval.h +++ b/include/llvm/CodeGen/LiveInterval.h @@ -271,6 +271,17 @@ namespace llvm { I = std::lower_bound(kills.begin(), kills.end(), KillIdx); return I != kills.end() && *I == KillIdx; } + + /// isOnlyLROfValNo - Return true if the specified live range is the only + /// one defined by the its val#. + bool isOnlyLROfValNo( const LiveRange *LR) { + for (const_iterator I = begin(), E = end(); I != E; ++I) { + const LiveRange *Tmp = I; + if (Tmp != LR && Tmp->valno == LR->valno) + return false; + } + return true; + } /// MergeValueNumberInto - This method is called when two value nubmers /// are found to be equivalent. This eliminates V1, replacing all |