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Apply B Scott Michel's patch for PR1184, which improves diagnostics in an

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abort case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34306 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-15 18:17:56 +00:00
parent 506e899490
commit 0152829e89
1 changed files with 16 additions and 2 deletions
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18
lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
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@ -302,8 +302,22 @@ void ScheduleDAG::AddOperand(MachineInstr *MI, SDOperand Op,
const TargetRegisterClass *RC =
getInstrOperandRegClass(MRI, TII, II, IIOpNum);
assert(RC && "Don't have operand info for this instruction!");
assert(RegMap->getRegClass(VReg) == RC &&
"Register class of operand and regclass of use don't agree!");
const TargetRegisterClass *VRC = RegMap->getRegClass(VReg);
if (VRC != RC) {
cerr << "Register class of operand and regclass of use don't agree!\n";
#ifndef NDEBUG
cerr << "Operand = " << IIOpNum << "\n";
cerr << "Op->Val = "; Op.Val->dump(0); cerr << "\n";
cerr << "MI = "; MI->print(cerr);
cerr << "VReg = " << VReg << "\n";
cerr << "VReg RegClass size = " << VRC->getSize()
<< ", align = " << VRC->getAlignment() << "\n";
cerr << "Expected RegClass size = " << RC->getSize()
<< ", align = " << RC->getAlignment() << "\n";
#endif
cerr << "Fatal error, aborting.\n";
abort();
}
}
} else if (ConstantSDNode *C =
dyn_cast<ConstantSDNode>(Op)) {