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Use report_fatal_error after all

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Depending on the compiler used to build LLVM, llvm_unreachable can either
expand to a call to abort(), or to a __builtin_unreachable. The latter
does not have a predictable behavior at runtime.

llvm-svn: 270260
This commit is contained in:
Krzysztof Parzyszek 2016-05-20 19:46:42 +00:00
parent 03d346febe
commit 5b8abb9534
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/RegisterScavenging.cpp
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@ -443,7 +443,7 @@ unsigned RegScavenger::scavengeRegister(const TargetRegisterClass *RC,
std::string Msg = std::string("Error while trying to spill ") +
TRI->getName(SReg) + " from class " + TRI->getRegClassName(RC) +
": Cannot scavenge register without an emergency spill slot!";
llvm_unreachable(Msg.c_str());
report_fatal_error(Msg.c_str());
}
TII->storeRegToStackSlot(*MBB, I, SReg, true, Scavenged[SI].FrameIndex,
RC, TRI);