From 03fe68e0a9c0fdd196f62899cb44b6f9a56dd7c8 Mon Sep 17 00:00:00 2001 From: Mark Lacey Date: Wed, 14 Aug 2013 23:50:09 +0000 Subject: Notify LiveRangeEdit of new virtual registers. Add a delegate class to MachineRegisterInfo with a single virtual function, MRI_NoteNewVirtualRegister(). Update LiveRangeEdit to inherit from this delegate class and override the definition of the callback with an implementation that tracks the newly created virtual registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188435 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/MachineRegisterInfo.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'lib/CodeGen/MachineRegisterInfo.cpp') diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index 7f2c0caca4..ce7d567cc2 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -20,7 +20,7 @@ using namespace llvm; MachineRegisterInfo::MachineRegisterInfo(const TargetMachine &TM) - : TM(TM), IsSSA(true), TracksLiveness(true) { + : TM(TM), TheDelegate(0), IsSSA(true), TracksLiveness(true) { VRegInfo.reserve(256); RegAllocHints.reserve(256); UsedRegUnits.resize(getTargetRegisterInfo()->getNumRegUnits()); @@ -108,6 +108,8 @@ MachineRegisterInfo::createVirtualRegister(const TargetRegisterClass *RegClass){ VRegInfo.grow(Reg); VRegInfo[Reg].first = RegClass; RegAllocHints.grow(Reg); + if (TheDelegate) + TheDelegate->MRI_NoteNewVirtualRegister(Reg); return Reg; } -- cgit v1.2.3