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26ba02bc31
This reverts commit r304209. I think this change is responsible for a tablgen failure in stage2 builds: http://green.lab.llvm.org/green/job/clang-stage2-configure-Rthinlto_build/2171/ I reproduced the failure locally (without ThinLTO), reverted the commit, rebuilt the stage1 clang, rebuilt the stage2 llvm-tblgen tool, and found that the crash disappears when the commit is reverted. Here is the stack trace: FAILED: lib/Target/ARM/ARMGenRegisterBank.inc.tmp cd /Volumes/Builds/pz-master-stage2-RA/lib/Target/ARM && /Volumes/Builds/pz-master-stage2-RA/bin/llvm-tblgen -gen-register-bank -I /Users/vk/llvm/lib/Target/ARM -I /Users/vk/llvm/include -I /Users/vk/llvm/lib/Target /Users/vk/llvm/lib/Target/ARM/ARM.td -o /Volumes /Builds/pz-master-stage2-RA/lib/Target/ARM/ARMGenRegisterBank.inc.tmp 0 llvm-tblgen 0x0000000106fc9568 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40 1 llvm-tblgen 0x0000000106fc9be6 SignalHandler(int) + 422 2 libsystem_platform.dylib 0x00000001076a7fba _sigtramp + 26 3 libsystem_platform.dylib 0x00007fff58deb468 _sigtramp + 1366570184 4 llvm-tblgen 0x0000000106e89cc7 llvm::CodeGenRegBank::getCompositeSubRegIndex(llvm::CodeGenSubRegIndex*, llvm::CodeGenSubRegIndex*) + 615 5 llvm-tblgen 0x0000000106e88be6 llvm::CodeGenRegister::computeSubRegs(llvm::CodeGenRegBank&) + 2182 6 llvm-tblgen 0x0000000106e8e9f0 llvm::CodeGenRegBank::CodeGenRegBank(llvm::RecordKeeper&) + 2192 7 llvm-tblgen 0x0000000106f384a1 llvm::EmitRegisterBank(llvm::RecordKeeper&, llvm::raw_ostream&) + 65 8 llvm-tblgen 0x0000000106f72c64 (anonymous namespace)::LLVMTableGenMain(llvm::raw_ostream&, llvm::RecordKeeper&) + 1172 9 llvm-tblgen 0x0000000106fcb15f llvm::TableGenMain(char*, bool (*)(llvm::raw_ostream&, llvm::RecordKeeper&)) + 3599 10 llvm-tblgen 0x0000000106f727a6 main + 134 11 libdyld.dylib 0x000000010733c6a5 start + 1 Stack dump: 0. Program arguments: /Volumes/Builds/pz-master-stage2-RA/bin/llvm-tblgen -gen-register-bank -I /Users/vk/llvm/lib/Target/ARM -I /Users/vk/llvm/include -I /Users/vk/llvm/lib/Target /Users/vk/llvm/lib/Target/ARM/ARM.td -o /Volumes/Builds/pz-master-stage2-RA/lib/Target/ARM/ARMGenRegisterBank.inc.tmp /bin/sh: line 1: 41986 Segmentation fault: 11 /Volumes/Builds/pz-master-stage2-RA/bin/llvm-tblgen -gen-register-bank -I /Users/vk/llvm/lib/Target/ARM -I /Users/vk/llvm/include -I /Users/vk/llvm/lib/Target /Users/vk/llvm/lib/Target/ARM/ARM.td -o /Volumes/Builds/pz -master-stage2-RA/lib/Target/ARM/ARMGenRegisterBank.inc.tmp git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304231 91177308-0d34-0410-b5e6-96231b3b80d8
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