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Fix longjmp case so that, along with the call to abort(), we also 

generate the appropriate CallArgsDescriptor and tmp. virtual regs.

llvm-svn: 8554
This commit is contained in:
Vikram S. Adve 2003-09-16 05:56:22 +00:00
parent 8579a9a38c
commit 256fc40375
1 changed files with 22 additions and 2 deletions
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24
llvm/lib/Target/Sparc/SparcInstrSelection.cpp
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@ -1446,8 +1446,28 @@ bool CodeGenIntrinsic(LLVMIntrinsic::ID iid, CallInst &callInstr,
case LLVMIntrinsic::longjmp: {
// call abort()
Module* M = callInstr.getParent()->getParent()->getParent();
Function *F = M->getNamedFunction("abort");
mvec.push_back(BuildMI(V9::CALL, 1).addReg(F));
const FunctionType *voidvoidFuncTy =
FunctionType::get(Type::VoidTy, std::vector<const Type*>(), false);
Function *F = M->getOrInsertFunction("abort", voidvoidFuncTy);
assert(F && "Unable to get or create `abort' function declaration");
// Create hidden virtual register for return address with type void*
TmpInstruction* retAddrReg =
new TmpInstruction(MachineCodeForInstruction::get(&callInstr),
PointerType::get(Type::VoidTy), &callInstr);
// Use a descriptor to pass information about call arguments
// to the register allocator. This descriptor will be "owned"
// and freed automatically when the MachineCodeForInstruction
// object for the callInstr goes away.
CallArgsDescriptor* argDesc =
new CallArgsDescriptor(&callInstr, retAddrReg, false, false);
MachineInstr* callMI = BuildMI(V9::CALL, 1).addPCDisp(F);
callMI->addImplicitRef(retAddrReg, /*isDef*/ true);
mvec.push_back(callMI);
mvec.push_back(BuildMI(V9::NOP, 0));
return true;
}