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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-05 21:54:09 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-06-05 21:54:09 +0000 |
| commit | 4e53a40ea321c43bdf754147dd2ec064985e5b7b (patch) | |
| tree | f6af24cf27b0f9684f0e8e17f9986796751c06bf /include/llvm/CodeGen/LiveInterval.h | |
| parent | d88d27868bf7c2c5914c1b9ccace0ee6d7ee958a (diff) | |
Implement LiveRangeCalc::extendToUses() and createDeadDefs().
These LiveRangeCalc methods are to be used when computing a live range
from scratch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158027 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/LiveInterval.h')
| -rw-r--r-- | include/llvm/CodeGen/LiveInterval.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h index 96680e500d..1016391eea 100644 --- a/include/llvm/CodeGen/LiveInterval.h +++ b/include/llvm/CodeGen/LiveInterval.h @@ -274,6 +274,11 @@ namespace llvm { return VNI; } + /// createDeadDef - Make sure the interval has a value defined at Def. + /// If one already exists, return it. Otherwise allocate a new value and + /// add liveness for a dead def. + VNInfo *createDeadDef(SlotIndex Def, VNInfo::Allocator &VNInfoAllocator); + /// Create a copy of the given value. The new value will be identical except /// for the Value number. VNInfo *createValueCopy(const VNInfo *orig, |