From d57cdd5683ea926e489067364fb7ffe5fd5d35ee Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Sat, 14 Nov 2009 02:55:43 +0000 Subject: - 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 --- lib/CodeGen/TargetInstrInfoImpl.cpp | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp') diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index 50587f1af8..349d43c724 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -135,11 +135,16 @@ void TargetInstrInfoImpl::reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, unsigned DestReg, unsigned SubIdx, - const MachineInstr *Orig) const { + const MachineInstr *Orig, + const TargetRegisterInfo *TRI) const { MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig); MachineOperand &MO = MI->getOperand(0); - MO.setReg(DestReg); - MO.setSubReg(SubIdx); + if (TargetRegisterInfo::isVirtualRegister(DestReg)) { + MO.setReg(DestReg); + MO.setSubReg(SubIdx); + } else { + MO.setReg(TRI->getSubReg(DestReg, SubIdx)); + } MBB.insert(I, MI); } -- cgit v1.2.3-70-g09d2