[LLVMdev] Bug 18968

Tue Feb 25 12:41:38 PST 2014

----- Original Message -----
> From: "reed kotler" <rkotler at mips.com>
> To: LLVMdev at cs.uiuc.edu
> Sent: Tuesday, February 25, 2014 2:34:53 PM
> Subject: [LLVMdev] Bug 18968
> 
> 
> Clang/llvm is core dumping in target independent code.
> 
> It's a regression from yesterday. Files to reproduce this are in bug
> 18968 .
> 
> I have not tried to bisect the failure yet.

Yep; Chandler did a bunch of work on SROA last night and early this morning. I've cc'd him on the bug.

 -Hal

> 
> 
> Starting program: /home/rkotler/llvmw/build/Debug+Asserts/bin/clang
> -cc1 -triple mipsel--linux-gnu -S -disable-free -main-file-name
> PpmdHandler.cpp -mrelocation-model static -fmath-errno
> -no-integrated-as -mconstructor-aliases -target-cpu mips32r2
> -target-abi o32 -mfloat-abi hard -target-linker-version 2.22
> -momit-leaf-frame-pointer -coverage-file /tmp/PpmdHandler-e3f606.s
> -resource-dir / home/rkotler/llvmw/build/Debug+Asserts/bin /
> ../lib/clang/3.5 -D _GNU_SOURCE -D __STDC_LIMIT_MACROS -D NDEBUG -D
> SMALL_PROBLEM_SIZE -D BREAK_HANDLER -D UNICODE -D _UNICODE -D
> _FILE_OFFSET_BITS=64 -D _LARGEFILE_SOURCE -D NDEBUG -D _REENTRANT -D
> ENV_UNIX -D _7ZIP_LARGE_PAGES -I
> /home/rkotler/llvmw/build/projects/test-suite/MultiSource/Benchmarks/7zip
> -I
> /home/rkotler/workspace/llvm/projects/test-suite/MultiSource/Benchmarks/7zip
> -I /home/rkotler/workspace/llvm/projects/test-suite/include -I
> ../../../include -I /home/rkotler/llvmw/build/include -I
> /home/rkotler/workspace/llvm/include -I
> /home/rkotler/workspace/llvm/projects/test-suite/MultiSource/Benchmarks/7zip/C
> -I
> /home/rkotler/workspace/llvm/projects/test-suite/MultiSource/Benchmarks/7zip/CPP/myWindows
> -I
> /home/rkotler/workspace/llvm/projects/test-suite/MultiSource/Benchmarks/7zip/CPP/include_windows
> -I
> /home/rkotler/workspace/llvm/projects/test-suite/MultiSource/Benchmarks/7zip/CPP
> -I . -internal-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-linux-gnu/include/c++/4.5.2
> -internal-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-linux-gnu/include/c++/4.5.2/mips-linux-gnu/el
> -internal-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-l---Type
> <return> to continue, or q <return> to quit---
> inux-gnu/include/c++/4.5.2/backward -internal-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-linux-gnu/libc/el/usr/local/include
> -internal-isystem / home/rkotler/llvmw/build/Debug+Asserts/bin /
> ../lib/clang/3.5/include -internal-externc-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/include
> -internal-externc-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-linux-gnu/libc/usr/include
> -internal-externc-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-linux-gnu/libc/el/include
> -internal-externc-isystem
> /mips/arch/overflow/codesourcery/mips-linux-gnu/pro/release/2011.09-90/Linux/lib/gcc/mips-linux-gnu/4.5.2/../../../../mips-linux-gnu/libc/el/usr/include
> -O3 -fdeprecated-macro -fno-dwarf-directory-asm
> -fdebug-compilation-dir
> /home/rkotler/llvmw/build/projects/test-suite/MultiSource/Benchmarks/7zip
> -ferror-limit 19 -fmessage-length 0 -pthread -mstackrealign
> -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
> -fdiagnostics-show-option -vectorize-loops -vectorize-slp -o
> /tmp/PpmdHandler-e3f606.s -x c++
> /home/rkotler/workspace/llvm/projects/test-suite/MultiSource/Benchmarks/7zip/CPP/7zip/Archive/PpmdHandler.cpp
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library
> "/lib/x86_64-linux-gnu/libthread_db.so.1".
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000fb763c in llvm::Instruction::getParent (this=0x301)
> at /home/rkotler/workspace/llvm/include/llvm/IR/Instruction.h:54
> 54 inline BasicBlock *getParent() { return Parent; }
> (gdb) bt
> #0 0x0000000000fb763c in llvm::Instruction::getParent (this=0x301)
> at /home/rkotler/workspace/llvm/include/llvm/IR/Instruction.h:54
> #1 0x000000000306c6d2 in isSafePHIToSpeculate (PN=..., DL=0x5ff5030)
> at /home/rkotler/workspace/llvm/lib/Transforms/Scalar/SROA.cpp:1046
> #2 0x0000000003076ecc in (anonymous
> namespace)::SROA::rewritePartition(llvm::AllocaInst &, (anonymous
> namespace)::AllocaSlices &, (anonymous
> namespace)::AllocaSlices::iterator, (anonymous
> namespace)::AllocaSlices::iterator, int64_t, int64_t,
> llvm::ArrayRef<{anonymous}::Slice*>) (this=0x600aac0, AI=..., S=...,
> B=0x6091370, E=0x60917d8, BeginOffset=0, EndOffset=4, SplitUses=...)
> at /home/rkotler/workspace/llvm/lib/Transforms/Scalar/SROA.cpp:3168
> #3 0x000000000307781f in (anonymous namespace)::SROA::splitAlloca (
> this=0x600aac0, AI=..., S=...)
> at /home/rkotler/workspace/llvm/lib/Transforms/Scalar/SROA.cpp:3304
> #4 0x000000000307807c in (anonymous namespace)::SROA::runOnAlloca (
> this=0x600aac0, AI=...)
> at /home/rkotler/workspace/llvm/lib/Transforms/Scalar/SROA.cpp:3439
> #5 0x0000000003078d93 in (anonymous namespace)::SROA::runOnFunction (
> this=0x600aac0, F=...)
> at /home/rkotler/workspace/llvm/lib/Transforms/Scalar/SROA.cpp:3618
> #6 0x00000000034c45ba in llvm::FPPassManager::runOnFunction
> (this=0x600b370,
> F=...) at
> /home/rkotler/workspace/llvm/lib/IR/LegacyPassManager.cpp:1537
> #7 0x00000000031b4beb in (anonymous
> namespace)::CGPassManager::RunPassOnSCC (
> this=0x6009230, P=0x600b370, CurSCC=..., CG=...,
> ---Type <return> to continue, or q <return> to quit---
> CallGraphUpToDate=@0x7fffffffbc56: true,
> DevirtualizedCall=@0x7fffffffbcf8: false)
> at
> /home/rkotler/workspace/llvm/lib/Analysis/IPA/CallGraphSCCPass.cpp:148
> #8 0x00000000031b5a45 in (anonymous
> namespace)::CGPassManager::RunAllPassesOnSCC (this=0x6009230,
> CurSCC=..., CG=...,
> DevirtualizedCall=@0x7fffffffbcf8: false)
> at
> /home/rkotler/workspace/llvm/lib/Analysis/IPA/CallGraphSCCPass.cpp:405
> #9 0x00000000031b5dc4 in (anonymous
> namespace)::CGPassManager::runOnModule (
> this=0x6009230, M=...)
> at
> /home/rkotler/workspace/llvm/lib/Analysis/IPA/CallGraphSCCPass.cpp:460
> #10 0x00000000034c4acf in (anonymous
> namespace)::MPPassManager::runOnModule (
> this=0x5ff4e50, M=...)
> at /home/rkotler/workspace/llvm/lib/IR/LegacyPassManager.cpp:1615
> #11 0x00000000034c50c3 in llvm::legacy::PassManagerImpl::run
> (this=0x6003300,
> M=...) at
> /home/rkotler/workspace/llvm/lib/IR/LegacyPassManager.cpp:1710
> #12 0x00000000034c52d5 in llvm::legacy::PassManager::run
> (this=0x5b22510,
> M=...) at
> /home/rkotler/workspace/llvm/lib/IR/LegacyPassManager.cpp:1745
> #13 0x0000000000f6ce13 in (anonymous
> namespace)::EmitAssemblyHelper::EmitAssembly (this=0x7fffffffc020,
> Action=clang::Backend_EmitAssembly, OS=0x5b4b460)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/CodeGen/BackendUtil.cpp:602
> #14 0x0000000000f6cf34 in clang::EmitBackendOutput (Diags=...,
> CGOpts=...,
> TOpts=..., LOpts=..., TDesc=..., M=0x5b4dab0,
> Action=clang::Backend_EmitAssembly, OS=0x5b4b460)
> ---Type <return> to continue, or q <return> to quit---
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/CodeGen/BackendUtil.cpp:619
> #15 0x0000000000f666b5 in
> clang::BackendConsumer::HandleTranslationUnit (
> this=0x5b4dd40, C=...)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/CodeGen/CodeGenAction.cpp:161
> #16 0x0000000001189d15 in clang::ParseAST (S=..., PrintStats=false,
> SkipFunctionBodies=false)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/Parse/ParseAST.cpp:153
> #17 0x0000000000ce8223 in clang::ASTFrontendAction::ExecuteAction (
> this=0x5b26fa0)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:476
> #18 0x0000000000f681a2 in clang::CodeGenAction::ExecuteAction
> (this=0x5b26fa0)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/CodeGen/CodeGenAction.cpp:545
> #19 0x0000000000ce7d52 in clang::FrontendAction::Execute
> (this=0x5b26fa0)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:378
> #20 0x0000000000cbb222 in clang::CompilerInstance::ExecuteAction (
> this=0x5b22ac0, Act=...)
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/Frontend/CompilerInstance.cpp:715
> #21 0x0000000000c87c66 in clang::ExecuteCompilerInvocation
> (Clang=0x5b22ac0)
> ---Type <return> to continue, or q <return> to quit---
> at
> /home/rkotler/workspace/llvm/tools/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:239
> #22 0x0000000000c795a5 in cc1_main (ArgBegin=0x7fffffffd298,
> ArgEnd=0x7fffffffd618,
> Argv0=0x7fffffffe111
> "/home/rkotler/llvmw/build/Debug+Asserts/bin/clang",
> MainAddr=0xc8201c)
> at
> /home/rkotler/workspace/llvm/tools/clang/tools/driver/cc1_main.cpp:101
> #23 0x0000000000c83611 in main (argc_=114, argv_=0x7fffffffdb98)
> at
> /home/rkotler/workspace/llvm/tools/clang/tools/driver/driver.cpp:315
> (gdb) quit
> A debugging session is active.
> 
> Inferior 1 [process 6801] will be killed.
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> 

-- 
Hal Finkel
Assistant Computational Scientist
Leadership Computing Facility
Argonne National Laboratory