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Make error messages more useful than jsut an abort 

llvm-svn: 6146
This commit is contained in:
Chris Lattner 2003-05-12 20:16:58 +00:00
parent b1eee00034
commit 6c906adb73
1 changed files with 9 additions and 2 deletions
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11
llvm/lib/Target/X86/InstSelectSimple.cpp
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@ -1543,6 +1543,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
BMI(BB, IP, X86::MOVrr32, 1, DestReg).addReg(SrcReg);
BMI(BB, IP, X86::MOVrr32, 1, DestReg+1).addReg(SrcReg+1);
} else {
assert(0 && "Cannot handle this type of cast instruction!");
abort();
}
return;
@ -1593,8 +1594,10 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
if (DestClass == cFP) {
// unsigned int -> load as 64 bit int.
// unsigned long long -> more complex
if (SrcTy->isUnsigned() && SrcTy != Type::UByteTy)
if (SrcTy->isUnsigned() && SrcTy != Type::UByteTy) {
assert(0 && "Cannot handle this type of cast!");
abort(); // don't handle unsigned src yet!
}
// We don't have the facilities for directly loading byte sized data from
// memory. Promote it to 16 bits.
@ -1612,7 +1615,10 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
F->getFrameInfo()->CreateStackObject(SrcTy, TM.getTargetData());
if (SrcClass == cLong) {
if (SrcTy == Type::ULongTy) abort(); // FIXME: Handle ulong -> FP
if (SrcTy == Type::ULongTy) {
assert(0 && "FIXME: Handle cast ulong to FP");
abort();
}
addFrameReference(BMI(BB, IP, X86::MOVrm32, 5), FrameIdx).addReg(SrcReg);
addFrameReference(BMI(BB, IP, X86::MOVrm32, 5),
FrameIdx, 4).addReg(SrcReg+1);
@ -1685,6 +1691,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
}
// Anything we haven't handled already, we can't (yet) handle at all.
assert(0 && "Unhandled cast instruction!");
abort();
}