From ccf5ee0b8f4c5ba88500a91ac2e4cdcf046299d5 Mon Sep 17 00:00:00 2001 From: Krzysztof Parzyszek Date: Fri, 20 May 2016 19:46:42 +0000 Subject: Use report_fatal_error after all 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 --- llvm/lib/CodeGen/RegisterScavenging.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'llvm/lib') diff --git a/llvm/lib/CodeGen/RegisterScavenging.cpp b/llvm/lib/CodeGen/RegisterScavenging.cpp index 4017f88f4ef..3cec442b878 100644 --- a/llvm/lib/CodeGen/RegisterScavenging.cpp +++ b/llvm/lib/CodeGen/RegisterScavenging.cpp @@ -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); -- cgit v1.2.3