From 378445303b10b092a898a75131141a8259cff50b Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 16 Jul 2009 09:20:10 +0000 Subject: Let callers decide the sub-register index on the def operand of rematerialized instructions. Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75900 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/TargetInstrInfoImpl.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp') diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index 97de901f43..0b791e4a71 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -130,9 +130,12 @@ bool TargetInstrInfoImpl::PredicateInstruction(MachineInstr *MI, void TargetInstrInfoImpl::reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator I, unsigned DestReg, + unsigned SubIdx, const MachineInstr *Orig) const { MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig); - MI->getOperand(0).setReg(DestReg); + MachineOperand &MO = MI->getOperand(0); + MO.setReg(DestReg); + MO.setSubReg(SubIdx); MBB.insert(I, MI); } -- cgit v1.2.3-70-g09d2