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Fix an optimization put in for accessing static globals. This obviates

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the need to build PIC.

llvm-svn: 22512
This commit is contained in:
Nate Begeman 2005-07-25 21:15:28 +00:00
parent df34319bd0
commit 19014db53f
1 changed files with 6 additions and 5 deletions
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11
lib/Target/PowerPC/PPC32ISelPattern.cpp
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@ -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);