From 435c785803b98f5e6f837a4564ddc4e78b22d659 Mon Sep 17 00:00:00 2001 From: Misha Brukman Date: Tue, 27 Jul 2004 17:13:58 +0000 Subject: [PATCH] Add IMPLICIT_DEF of LR for branch-and-link instrs (calls and global accesses) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15270 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPC32ISelSimple.cpp | 2 ++ lib/Target/PowerPC/PowerPCISelSimple.cpp | 2 ++ 2 files changed, 4 insertions(+) diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp index ae7cf3ed40c..27852619a14 100644 --- a/lib/Target/PowerPC/PPC32ISelSimple.cpp +++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp @@ -522,6 +522,7 @@ void ISel::copyGlobalBaseToRegister(MachineBasicBlock *MBB, MachineBasicBlock &FirstMBB = F->front(); MachineBasicBlock::iterator MBBI = FirstMBB.begin(); GlobalBaseReg = makeAnotherReg(Type::IntTy); + BuildMI(FirstMBB, MBBI, PPC32::IMPLICIT_DEF, 0, PPC32::LR); BuildMI(FirstMBB, MBBI, PPC32::MovePCtoLR, 0, GlobalBaseReg); GlobalBaseInitialized = true; } @@ -1576,6 +1577,7 @@ void ISel::doCall(const ValueRecord &Ret, MachineInstr *CallMI, BuildMI(BB, PPC32::ADJCALLSTACKDOWN, 1).addSImm(0); } + BuildMI(BB, PPC32::IMPLICIT_DEF, 0, PPC32::LR); BB->push_back(CallMI); BuildMI(BB, PPC32::ADJCALLSTACKUP, 1).addSImm(NumBytes); diff --git a/lib/Target/PowerPC/PowerPCISelSimple.cpp b/lib/Target/PowerPC/PowerPCISelSimple.cpp index ae7cf3ed40c..27852619a14 100644 --- a/lib/Target/PowerPC/PowerPCISelSimple.cpp +++ b/lib/Target/PowerPC/PowerPCISelSimple.cpp @@ -522,6 +522,7 @@ void ISel::copyGlobalBaseToRegister(MachineBasicBlock *MBB, MachineBasicBlock &FirstMBB = F->front(); MachineBasicBlock::iterator MBBI = FirstMBB.begin(); GlobalBaseReg = makeAnotherReg(Type::IntTy); + BuildMI(FirstMBB, MBBI, PPC32::IMPLICIT_DEF, 0, PPC32::LR); BuildMI(FirstMBB, MBBI, PPC32::MovePCtoLR, 0, GlobalBaseReg); GlobalBaseInitialized = true; } @@ -1576,6 +1577,7 @@ void ISel::doCall(const ValueRecord &Ret, MachineInstr *CallMI, BuildMI(BB, PPC32::ADJCALLSTACKDOWN, 1).addSImm(0); } + BuildMI(BB, PPC32::IMPLICIT_DEF, 0, PPC32::LR); BB->push_back(CallMI); BuildMI(BB, PPC32::ADJCALLSTACKUP, 1).addSImm(NumBytes);