diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2009-11-14 02:55:43 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-11-14 02:55:43 +0000 |
| commit | d57cdd5683ea926e489067364fb7ffe5fd5d35ee (patch) | |
| tree | 61789ba40d1ea3b318e423f82bc50720f4a114d2 /lib/CodeGen/VirtRegRewriter.cpp | |
| parent | 4ec01b268e85b62b0eabe27d8fd97e8066a81b8f (diff) | |
- Change TargetInstrInfo::reMaterialize to pass in TargetRegisterInfo.
- If destination is a physical register and it has a subreg index, use the
sub-register instead.
This fixes PR5423.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88745 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegRewriter.cpp')
| -rw-r--r-- | lib/CodeGen/VirtRegRewriter.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp index 91aaa8c063..a70cdaf09e 100644 --- a/lib/CodeGen/VirtRegRewriter.cpp +++ b/lib/CodeGen/VirtRegRewriter.cpp @@ -594,7 +594,7 @@ static void UpdateKills(MachineInstr &MI, const TargetRegisterInfo* TRI, for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { const MachineOperand &MO = MI.getOperand(i); - if (!MO.isReg() || !MO.isDef()) + if (!MO.isReg() || !MO.getReg() || !MO.isDef()) continue; unsigned Reg = MO.getReg(); RegKills.reset(Reg); @@ -626,7 +626,7 @@ static void ReMaterialize(MachineBasicBlock &MBB, "Don't know how to remat instructions that define > 1 values!"); #endif TII->reMaterialize(MBB, MII, DestReg, - ReMatDefMI->getOperand(0).getSubReg(), ReMatDefMI); + ReMatDefMI->getOperand(0).getSubReg(), ReMatDefMI, TRI); MachineInstr *NewMI = prior(MII); for (unsigned i = 0, e = NewMI->getNumOperands(); i != e; ++i) { MachineOperand &MO = NewMI->getOperand(i); |