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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-08-16 17:41:39 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2009-08-16 17:41:39 +0000 |
| commit | 66a39699fb6b862e674415b32d307263812e996e (patch) | |
| tree | 0f1ba9952a963c2afe4080fda1012a43e1b900d3 /include/llvm/CodeGen/RegisterScavenging.h | |
| parent | e689ce626ce1d0022f70fb4a85113590bbdbb5e9 (diff) | |
| download | llvm-66a39699fb6b862e674415b32d307263812e996e.tar.gz llvm-66a39699fb6b862e674415b32d307263812e996e.tar.bz2 llvm-66a39699fb6b862e674415b32d307263812e996e.tar.xz | |
Replace RegScavenger::DistanceMap with a simpler local algorithm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79195 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/RegisterScavenging.h')
| -rw-r--r-- | include/llvm/CodeGen/RegisterScavenging.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/RegisterScavenging.h b/include/llvm/CodeGen/RegisterScavenging.h index f81c495a96..6a15fcf065 100644 --- a/include/llvm/CodeGen/RegisterScavenging.h +++ b/include/llvm/CodeGen/RegisterScavenging.h @@ -150,6 +150,12 @@ private: /// Add Reg and its aliases to BV. void addRegWithAliases(BitVector &BV, unsigned Reg); + + unsigned findSurvivorReg(MachineBasicBlock::iterator MI, + BitVector &Candidates, + unsigned InstrLimit, + MachineBasicBlock::iterator &UseMI); + }; } // End llvm namespace |