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If the register allocator ran out of registers, just abort for now.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48175 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-03-10 21:27:20 +00:00
parent 8e6da15e54
commit a3413804f4
1 changed files with 7 additions and 1 deletions
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8
lib/CodeGen/RegAllocLinearScan.cpp
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@ -685,8 +685,14 @@ void RALinScan::assignRegOrStackSlotAtInterval(LiveInterval* cur)
}
// All registers must have inf weight. Just grab one!
if (!minReg)
if (!minReg) {
if (active_.size() == 0) {
// FIXME: All the registers are occupied by fixed intervals.
cerr << "Register allocator ran out of registers!\n";
abort();
}
minReg = *RC->allocation_order_begin(*mf_);
}
}
DOUT << "\t\tregister with min weight: "