[LLVMdev] new stage2/stage3 comparison failures

Jack Howarth howarth.mailing.lists at gmail.com
Thu Jul 9 10:00:21 PDT 2015


   Are any of the buildbots set up to validate the stage2/stage3
binaries on a 3 stage bootstrap of llvm/compiler-rt/libc++/polly? On
x86_64-apple-darwin using the fink packaging scripts of David Fang, I
have found that at some point after  r241513 the following differences
appear...

UNRESOLVED DIFFS (stage2 vs. stage3):
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  lib/Bitcode/Writer/CMakeFiles/LLVMBitWriter.dir/BitcodeWriter.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/AggressiveAntiDepBreaker.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/Analysis.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LiveDebugVariables.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineModuleInfo.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineScheduler.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/RegAllocGreedy.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/RegAllocPBQP.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/RegisterScavenging.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/SplitKit.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/StackColoring.cpp.o
  lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetLoweringObjectFileImpl.cpp.o
  lib/IR/CMakeFiles/LLVMCore.dir/AsmWriter.cpp.o
  lib/IR/CMakeFiles/LLVMCore.dir/DIBuilder.cpp.o
  lib/IR/CMakeFiles/LLVMCore.dir/Function.cpp.o
  lib/IR/CMakeFiles/LLVMCore.dir/InlineAsm.cpp.o
  lib/MC/CMakeFiles/LLVMMC.dir/ELFObjectWriter.cpp.o
  lib/ProfileData/CMakeFiles/LLVMProfileData.dir/InstrProfReader.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/APFloat.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/APInt.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/CommandLine.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/ConvertUTFWrapper.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/DAGDeltaAlgorithm.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/FoldingSet.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/ScaledNumber.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/Statistic.cpp.o
  lib/Support/CMakeFiles/LLVMSupport.dir/Timer.cpp.o
  lib/TableGen/CMakeFiles/LLVMTableGen.dir/Record.cpp.o
  lib/Target/ARM/MCTargetDesc/CMakeFiles/LLVMARMDesc.dir/ARMUnwindOpAsm.cpp.o
  lib/Transforms/Instrumentation/CMakeFiles/LLVMInstrumentation.dir/AddressSanitizer.cpp.o
  lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/EarlyCSE.cpp.o
  lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/LoopStrengthReduce.cpp.o
  lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/LoopVectorize.cpp.o
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  projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.osx.dir/interception_mac.cc.o
  projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.osx.dir/interception_type_test.cc.o
  projects/compiler-rt/lib/interception/CMakeFiles/RTInterception.osx.dir/interception_win.cc.o
  projects/compiler-rt/lib/lsan/CMakeFiles/RTLSanCommon.osx.dir/lsan_common.cc.o
  projects/compiler-rt/lib/lsan/CMakeFiles/RTLSanCommon.osx.dir/lsan_common_linux.cc.o
  projects/compiler-rt/lib/safestack/CMakeFiles/clang_rt.safestack_osx.dir/safestack.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_allocator.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_common.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_common_libcdep.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_coverage_libcdep.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_coverage_mapping_libcdep.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_deadlock_detector1.cc.o
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  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_flags.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_libc.cc.o
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  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_printf.cc.o
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  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_procmaps_freebsd.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_procmaps_linux.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_procmaps_mac.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_stackdepot.cc.o
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  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_stacktrace_libcdep.cc.o
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  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_symbolizer_process_libcdep.cc.o
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  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_tls_get_addr.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_unwind_linux_libcdep.cc.o
  projects/compiler-rt/lib/sanitizer_common/CMakeFiles/RTSanitizerCommon.osx.dir/sanitizer_win.cc.o
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  tools/clang/lib/Frontend/Rewrite/CMakeFiles/clangRewriteFrontend.dir/RewriteObjC.cpp.o
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  tools/llvm-readobj/CMakeFiles/llvm-readobj.dir/ARMAttributeParser.cpp.o
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  tools/polly/lib/CMakeFiles/Polly.dir/External/isl/isl_polynomial.c.o
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  utils/TableGen/CMakeFiles/llvm-tblgen.dir/AsmWriterEmitter.cpp.o
  utils/TableGen/CMakeFiles/llvm-tblgen.dir/AsmWriterInst.cpp.o
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  utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenDAGPatterns.cpp.o
  utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenRegisters.cpp.o
  utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenSchedule.cpp.o
  utils/TableGen/CMakeFiles/llvm-tblgen.dir/CodeGenTarget.cpp.o
  utils/TableGen/CMakeFiles/llvm-tblgen.dir/FixedLenDecoderEmitter.cpp.o
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/sw/src/fink.build/llvm37-3.7.0-1/llvm-3.7.0.src
######## 3-STAGE BOOTSTRAP of llvm/clang FAILED

It been hard to pinpoint that exact point of regression because there
have been so many other bootstrap failures introduced and resolved in
between that commit and current trunk. Hopefully one of the buildbots
has been observing these as well.
           Jack



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