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Use addGlobalAddress and addMBB for call & branch targets instead of addPCDisp. 

Abort if we see a PCRelativeDisp MachineOperand, to be safe. This matches
the X86 backend.

llvm-svn: 14202
This commit is contained in:
Brian Gaeke 2004-06-17 19:39:23 +00:00
parent 6b7275996c
commit 2f2b5f5b93
2 changed files with 18 additions and 19 deletions
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10
llvm/lib/Target/SparcV8/InstSelectSimple.cpp
View File

@ -452,7 +452,7 @@ void V8ISel::visitCallInst(CallInst &I) {
.addReg (ArgReg);
}
BuildMI (BB, V8::CALL, 1).addPCDisp (I.getOperand (0));
BuildMI (BB, V8::CALL, 1).addGlobalAddress(I.getCalledFunction (), true);
if (I.getType () == Type::VoidTy)
return;
unsigned DestReg = getReg (I);
@ -509,7 +509,7 @@ void V8ISel::visitBranchInst(BranchInst &I) {
BasicBlock *takenSucc = I.getSuccessor (0);
if (!I.isConditional()) { // Unconditional branch?
if (I.getSuccessor(0) != NextBB)
BuildMI (BB, V8::BA, 1).addPCDisp (takenSucc);
BuildMI (BB, V8::BA, 1).addMBB (MBBMap[takenSucc]);
return;
}
@ -519,11 +519,11 @@ void V8ISel::visitBranchInst(BranchInst &I) {
BuildMI (BB, V8::CMPri, 2).addSImm (0).addReg (CondReg);
if (notTakenSucc == NextBB) {
if (takenSucc != NextBB)
BuildMI (BB, V8::BNE, 1).addPCDisp (takenSucc);
BuildMI (BB, V8::BNE, 1).addMBB (MBBMap[takenSucc]);
} else {
BuildMI (BB, V8::BE, 1).addPCDisp (notTakenSucc);
BuildMI (BB, V8::BE, 1).addMBB (MBBMap[notTakenSucc]);
if (takenSucc != NextBB)
BuildMI (BB, V8::BA, 1).addPCDisp (takenSucc);
BuildMI (BB, V8::BA, 1).addMBB (MBBMap[takenSucc]);
}
}

27
llvm/lib/Target/SparcV8/SparcV8AsmPrinter.cpp
View File

@ -353,8 +353,9 @@ bool V8Printer::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::const_iterator I = MF.begin(), E = MF.end();
I != E; ++I) {
// Print a label for the basic block.
O << ".LBB" << NumberForBB[I->getBasicBlock()] << ":\t! "
<< I->getBasicBlock()->getName() << "\n";
O << ".LBB" << Mang->getValueName(MF.getFunction ())
<< "_" << I->getNumber () << ":\t! "
<< I->getBasicBlock ()->getName () << "\n";
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
// Print the assembly for the instruction.
@ -405,19 +406,17 @@ void V8Printer::printOperand(const MachineInstr *MI, int opNum) {
case MachineOperand::MO_UnextendedImmed:
O << (int)MO.getImmedValue();
break;
case MachineOperand::MO_PCRelativeDisp: {
if (isa<GlobalValue> (MO.getVRegValue ())) {
O << Mang->getValueName (MO.getVRegValue ());
break;
}
assert (isa<BasicBlock> (MO.getVRegValue ())
&& "Trying to look up something which is not a BB in the NumberForBB map");
ValueMapTy::const_iterator i = NumberForBB.find(MO.getVRegValue());
assert (i != NumberForBB.end()
&& "Could not find a BB in the NumberForBB map!");
O << ".LBB" << i->second << " ! PC rel: " << MO.getVRegValue()->getName();
break;
case MachineOperand::MO_MachineBasicBlock: {
MachineBasicBlock *MBBOp = MO.getMachineBasicBlock();
O << ".LBB" << Mang->getValueName(MBBOp->getParent()->getFunction())
<< "_" << MBBOp->getNumber () << "\t! "
<< MBBOp->getBasicBlock ()->getName ();
return;
}
case MachineOperand::MO_PCRelativeDisp:
std::cerr << "Shouldn't use addPCDisp() when building SparcV8 MachineInstrs";
abort ();
return;
case MachineOperand::MO_GlobalAddress:
O << Mang->getValueName(MO.getGlobal());
break;