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| author | Stephen Hines <srhines@google.com> | 2012-03-05 14:40:54 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2012-03-05 14:40:54 -0800 |
| commit | c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40 (patch) | |
| tree | 9a892d465bc8a229322b6c296c346250a95ecd6c /lib/CodeGen/LiveRangeEdit.cpp | |
| parent | 2987cbcdaef9e14f635b6f9ac32c58ff26a2fc0f (diff) | |
| parent | c3384c93c0e4c50da4ad093f08997507f9281c75 (diff) | |
| download | external_llvm-c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40.zip external_llvm-c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40.tar.gz external_llvm-c02a5c5e8d9c1fd2a20ad4aed40f328564e95b40.tar.bz2 | |
Merge branch 'upstream' into merge-20120305
Conflicts:
lib/Support/Atomic.cpp
Change-Id: I563b3bc2a82942ccbae5bed42e53b9149a8bf3a0
Diffstat (limited to 'lib/CodeGen/LiveRangeEdit.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRangeEdit.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp index a470877..f9b93d5 100644 --- a/lib/CodeGen/LiveRangeEdit.cpp +++ b/lib/CodeGen/LiveRangeEdit.cpp @@ -1,4 +1,4 @@ -//===--- LiveRangeEdit.cpp - Basic tools for editing a register live range --===// +//===-- LiveRangeEdit.cpp - Basic tools for editing a register live range -===// // // The LLVM Compiler Infrastructure // @@ -29,6 +29,8 @@ STATISTIC(NumDCEDeleted, "Number of instructions deleted by DCE"); STATISTIC(NumDCEFoldedLoads, "Number of single use loads folded after DCE"); STATISTIC(NumFracRanges, "Number of live ranges fractured by DCE"); +void LiveRangeEdit::Delegate::anchor() { } + LiveInterval &LiveRangeEdit::createFrom(unsigned OldReg, LiveIntervals &LIS, VirtRegMap &VRM) { @@ -92,11 +94,6 @@ bool LiveRangeEdit::allUsesAvailableAt(const MachineInstr *OrigMI, // Reserved registers are OK. if (MO.isUndef() || !lis.hasInterval(MO.getReg())) continue; - // We cannot depend on virtual registers in uselessRegs_. - if (uselessRegs_) - for (unsigned ui = 0, ue = uselessRegs_->size(); ui != ue; ++ui) - if ((*uselessRegs_)[ui]->reg == MO.getReg()) - return false; LiveInterval &li = lis.getInterval(MO.getReg()); const VNInfo *OVNI = li.getVNInfoAt(OrigIdx); |