From b9ce12b4bb2145f32c13cb517d8c12a4e60946ed Mon Sep 17 00:00:00 2001 From: Nate Begeman Date: Mon, 25 Jul 2005 21:15:28 +0000 Subject: Fix an optimization put in for accessing static globals. This obviates the need to build PIC. llvm-svn: 22512 --- llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp') diff --git a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp index 4cbb585e821..52a8219eddb 100644 --- a/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp +++ b/llvm/lib/Target/PowerPC/PPC32ISelPattern.cpp @@ -45,7 +45,6 @@ namespace { PPC32TargetLowering(TargetMachine &TM) : TargetLowering(TM) { // Fold away setcc operations if possible. setSetCCIsExpensive(); - PICEnabled = true; // Set up the register classes. addRegisterClass(MVT::i32, PPC32::GPRCRegisterClass); @@ -1438,9 +1437,10 @@ unsigned ISel::SelectExpr(SDOperand N, bool Recording) { if (GV->hasWeakLinkage() || GV->isExternal()) { Tmp2 = MakeReg(MVT::i32); BuildMI(BB, PPC::LWZ, 2, Tmp2).addGlobalAddress(GV).addReg(Tmp1); - Tmp1 = Tmp2; + BuildMI(BB, Opc, 2, Result).addSImm(0).addReg(Tmp2); + } else { + BuildMI(BB, Opc, 2, Result).addGlobalAddress(GV).addReg(Tmp1); } - BuildMI(BB, Opc, 2, Result).addGlobalAddress(GV).addReg(Tmp1); } else { int offset; bool idx = SelectAddr(Address, Tmp1, offset); @@ -2491,9 +2491,10 @@ void ISel::Select(SDOperand N) { if (GV->hasWeakLinkage() || GV->isExternal()) { Tmp3 = MakeReg(MVT::i32); BuildMI(BB, PPC::LWZ, 2, Tmp3).addGlobalAddress(GV).addReg(Tmp2); - Tmp2 = Tmp3; + BuildMI(BB, Opc, 3).addReg(Tmp1).addSImm(0).addReg(Tmp3); + } else { + BuildMI(BB, Opc, 3).addReg(Tmp1).addGlobalAddress(GV).addReg(Tmp2); } - BuildMI(BB, Opc, 3).addReg(Tmp1).addGlobalAddress(GV).addReg(Tmp2); } else { int offset; bool idx = SelectAddr(Address, Tmp2, offset); -- cgit v1.2.3