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author | David Goodwin <david_goodwin@apple.com> | 2009-11-03 20:57:50 +0000 |
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committer | David Goodwin <david_goodwin@apple.com> | 2009-11-03 20:57:50 +0000 |
commit | 4de099d8ca651e00fa5fac22bace4f4dba2d0292 (patch) | |
tree | 0a1c30be2310b064e895f5c841350c72773580a9 /lib/CodeGen/AggressiveAntiDepBreaker.h | |
parent | abf67ef548c257526d2f5f71521ddc8420784ac1 (diff) | |
download | external_llvm-4de099d8ca651e00fa5fac22bace4f4dba2d0292.zip external_llvm-4de099d8ca651e00fa5fac22bace4f4dba2d0292.tar.gz external_llvm-4de099d8ca651e00fa5fac22bace4f4dba2d0292.tar.bz2 |
Do a scheduling pass ignoring anti-dependencies to identify candidate registers that should be renamed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85939 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AggressiveAntiDepBreaker.h')
-rw-r--r-- | lib/CodeGen/AggressiveAntiDepBreaker.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/AggressiveAntiDepBreaker.h b/lib/CodeGen/AggressiveAntiDepBreaker.h index 720f390..5d9b40b 100644 --- a/lib/CodeGen/AggressiveAntiDepBreaker.h +++ b/lib/CodeGen/AggressiveAntiDepBreaker.h @@ -131,6 +131,9 @@ namespace llvm { /// dependencies may be exposed, so multiple passes are required. unsigned GetMaxTrials(); + /// NeedCandidates - Candidates required. + bool NeedCandidates() { return true; } + /// Start - Initialize anti-dep breaking for a new basic block. void StartBlock(MachineBasicBlock *BB); @@ -138,6 +141,7 @@ namespace llvm { /// of the ScheduleDAG and break them by renaming registers. /// unsigned BreakAntiDependencies(std::vector<SUnit>& SUnits, + CandidateMap& Candidates, MachineBasicBlock::iterator& Begin, MachineBasicBlock::iterator& End, unsigned InsertPosIndex); |