[LLVMbugs] [Bug 19552] New: Segfault during "Value Propagation"

Thu Apr 24 16:06:36 PDT 2014

http://llvm.org/bugs/show_bug.cgi?id=19552

            Bug ID: 19552
           Summary: Segfault during "Value Propagation"
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: dl9pf at gmx.de
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

CC      arch/arm/vfp/vfpsingle.o
0  clang-3.5       0x0000000000d38082 llvm::sys::PrintStackTrace(_IO_FILE*) +
34
1  clang-3.5       0x0000000000d37bb9
2  libpthread.so.0 0x00007f10989151f0
3  clang-3.5       0x000000000097a10c
4  clang-3.5       0x000000000097b563
5  clang-3.5       0x000000000097faa0
llvm::LazyValueInfo::getConstantOnEdge(llvm::Value*, llvm::BasicBlock*,
llvm::BasicBlock*) + 96
6  clang-3.5       0x0000000000c35410
7  clang-3.5       0x0000000000ac2a9f
llvm::FPPassManager::runOnFunction(llvm::Function&) + 607
8  clang-3.5       0x00000000016b36fc
9  clang-3.5       0x0000000000ac2717
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 759
10 clang-3.5       0x00000000012a47d0
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions
const&, clang::TargetOptions const&, clang::LangOptions const&,
llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) +
3008
11 clang-3.5       0x00000000012a0158
12 clang-3.5       0x00000000016e2e7a clang::ParseAST(clang::Sema&, bool, bool)
+ 538
13 clang-3.5       0x0000000000e932a6 clang::FrontendAction::Execute() + 166
14 clang-3.5       0x0000000000e72695
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 277
15 clang-3.5       0x0000000000f073a5
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1621
16 clang-3.5       0x000000000069dc00 cc1_main(char const**, char const**, char
const*, void*) + 880
17 clang-3.5       0x000000000068a98f main + 751
18 libc.so.6       0x00007f1097b49a15 __libc_start_main + 245
19 clang-3.5       0x000000000069beb9
Stack dump:
0.      Program arguments:
/home/dl9pf/llvmlinux/toolchain/clang/install/bin/clang-3.5 -cc1 -triple
armv7-none-linux-gnueabi -S -disable-free -disable-llvm-verifier
-main-file-name vfpsingle.c -mrelocation-model static -relaxed-aliasing
-fmath-errno -masm-verbose -no-integrated-as -mconstructor-aliases
-munwind-tables -fuse-init-array -target-cpu cortex-a8 -target-feature
+soft-float -target-feature +soft-float-abi -target-feature +vfp2
-target-feature -neon -target-feature -crypto -target-abi aapcs-linux
-msoft-float -mfloat-abi soft -mno-global-merge -g -coverage-file
/home/dl9pf/llvmlinux/build/targets/vexpress/tmp/vfpsingle-064025.s
-nostdsysteminc -nobuiltininc -resource-dir
/home/dl9pf/llvmlinux/toolchain/clang/install/bin/../lib/clang/3.5.0
-dependency-file arch/arm/vfp/.vfpsingle.o.d -MT arch/arm/vfp/vfpsingle.o
-sys-header-deps -isystem
/home/dl9pf/llvmlinux/toolchain/clang/install/bin/../lib/clang/3.5.0/include
-include
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/include/linux/kconfig.h -D
__KERNEL__ -D __LINUX_ARM_ARCH__=7 -U arm -D KBUILD_STR(s)=#s -D
KBUILD_BASENAME=KBUILD_STR(vfpsingle) -D KBUILD_MODNAME=KBUILD_STR(vfp) -I
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/arch/arm/include -I
arch/arm/include/generated -I
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/include -I include -I
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/arch/arm/include/uapi -I
arch/arm/include/generated/uapi -I
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/include/uapi -I
include/generated/uapi -I
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/arch/arm/vfp -I arch/arm/vfp
-O2 -Wno-unknown-warning-option -Wall -Wundef -Wstrict-prototypes
-Wno-trigraphs -Werror-implicit-function-declaration -Wno-format-security
-Wno-asm-operand-widths -Wno-unused-variable -Wno-format-invalid-specifier
-Wno-gnu -Wno-tautological-compare -Wdeclaration-after-statement
-Wno-pointer-sign -Werror=implicit-int -Werror=strict-prototypes
-Werror=date-time -fno-dwarf2-cfi-asm -fno-dwarf-directory-asm
-fdebug-compilation-dir
/home/dl9pf/llvmlinux/build/targets/vexpress/build/kernel-clang -ferror-limit
19 -fmessage-length 117 -fwrapv -mstackrealign -fno-builtin -fno-signed-char
-fobjc-runtime=gcc -fno-common -fdiagnostics-show-option -fcolor-diagnostics
-vectorize-loops -vectorize-slp -o
/home/dl9pf/llvmlinux/build/targets/vexpress/tmp/vfpsingle-064025.s -x c
/home/dl9pf/llvmlinux/targets/vexpress/src/linux/arch/arm/vfp/vfpsingle.c 
1.      <eof> parser at end of file
2.      Per-module optimization passes
3.      Running pass 'CallGraph Pass Manager' on module
'/home/dl9pf/llvmlinux/targets/vexpress/src/linux/arch/arm/vfp/vfpsingle.c'.
4.      Running pass 'Value Propagation' on function '@vfp_single_fsqrt'
clang-3.5: error: unable to execute command: Segmentation fault
clang-3.5: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.5.0 
Target: arm-none-linux-gnueabi
Thread model: posix
clang-3.5: note: diagnostic msg: PLEASE submit a bug report to  and include the
crash backtrace, preprocessed source, and associated run script.
clang-3.5: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-3.5: note: diagnostic msg:
/home/dl9pf/llvmlinux/build/targets/vexpress/tmp/vfpsingle-744a57.c
clang-3.5: note: diagnostic msg:
/home/dl9pf/llvmlinux/build/targets/vexpress/tmp/vfpsingle-744a57.sh
clang-3.5: note: diagnostic msg: 

********************
make[3]: *** [arch/arm/vfp/vfpsingle.o] Fehler 254
make[2]: *** [arch/arm/vfp] Fehler 2
make[1]: *** [sub-make] Fehler 2

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