[LLVMbugs] [Bug 14740] New: patch r170532 causes a regression in the mips compiler
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Fri Dec 28 23:32:39 PST 2012
http://llvm.org/bugs/show_bug.cgi?id=14740
Bug #: 14740
Summary: patch r170532 causes a regression in the mips compiler
Product: tools
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: llc
AssignedTo: unassignedbugs at nondot.org
ReportedBy: rkotler at mips.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Created attachment 9767
--> http://llvm.org/bugs/attachment.cgi?id=9767
test file 1
kotler at laptop-rkotler:~/test$ ~/llvm/install/bin/clang++ -target
mipsel-linux-gnu -c -O3 test.cc -S -v
clang version 3.3 (gitosis at dmz-portal.mips.com:clang.git
16f90bfe53ed637156c315cbbeddcf2d91266d67) (gitosis at dmz-portal.mips.com:llvm.git
c698d3a2a40f0909d16cbe857685f0f22cb9ae43)
Target: mipsel--linux-gnu
Thread model: posix
"/home/rkotler/llvm/install/bin/clang" -cc1 -triple mipsel--linux-gnu -S
-disable-free -main-file-name test.cc -mrelocation-model static
-mdisable-fp-elim -fmath-errno -mconstructor-aliases -target-cpu mips32
-target-abi o32 -mfloat-abi hard -target-linker-version 2.20.1
-momit-leaf-frame-pointer -v -coverage-file /home/rkotler/test/test.s
-resource-dir /home/rkotler/llvm/install/bin/../lib/clang/3.3
-fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem
/usr/local/include -internal-isystem
/home/rkotler/llvm/install/bin/../lib/clang/3.3/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O3
-fdeprecated-macro -fno-dwarf-directory-asm -fdebug-compilation-dir
/home/rkotler/test -ferror-limit 19 -fmessage-length 80 -mstackrealign
-fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option
-fcolor-diagnostics -backend-option -vectorize-loops -o test.s -x c++ test.cc
clang -cc1 version 3.3 based upon LLVM 3.3svn default target i386-pc-linux-gnu
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/local/include
/home/rkotler/llvm/install/bin/../lib/clang/3.3/include
/usr/include
End of search list.
ExpandIntegerOperand Op #2: 0xd33ed98: i32,i32 = sra_parts 0xd338628,
0xd338738, 0xd331180 [ID=0]
Do not know how to expand this operator's operand!
UNREACHABLE executed at
/home/rkotler/workspace/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp:2451!
0 clang 0x0a68f1e2
1 clang 0x0a68ee39
2 0x0032a400 __kernel_sigreturn + 0
3 libc.so.6 0x0013dab2 abort + 386
4 clang 0x0a6779bf
5 clang 0x09f76dec
6 clang 0x09f1a182
7 clang 0x09f1e82a llvm::SelectionDAG::LegalizeTypes() + 68
8 clang 0x09ec9993 llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 1061
9 clang 0x09ec9271
llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator<llvm::Instruction
const>, llvm::ilist_iterator<llvm::Instruction const>, bool&) + 219
10 clang 0x09ecbe49
llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) + 2559
11 clang 0x09ec8779
llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 723
12 clang 0x09aaf494
13 clang 0x0a04ac85
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 87
14 clang 0x0a61a80a llvm::FPPassManager::runOnFunction(llvm::Function&) +
306
15 clang 0x0a61a9b1 llvm::FPPassManager::runOnModule(llvm::Module&) + 97
16 clang 0x0a61acc2 llvm::MPPassManager::runOnModule(llvm::Module&) + 498
17 clang 0x0a61b25c llvm::PassManagerImpl::run(llvm::Module&) + 234
18 clang 0x0a61b575 llvm::PassManager::run(llvm::Module&) + 39
19 clang 0x089bc788
20 clang 0x089bc81a clang::EmitBackendOutput(clang::DiagnosticsEngine&,
clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions
const&, llvm::Module*, clang::BackendAction, llvm::raw_ostream*) + 77
21 clang 0x089b8912
22 clang 0x08b66f96 clang::ParseAST(clang::Sema&, bool, bool) + 690
23 clang 0x087af54e clang::ASTFrontendAction::ExecuteAction() + 284
24 clang 0x089b7a53 clang::CodeGenAction::ExecuteAction() + 1065
25 clang 0x087af184 clang::FrontendAction::Execute() + 180
26 clang 0x08787ece
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 748
27 clang 0x0875b07a
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 918
28 clang 0x0874c66f cc1_main(char const**, char const**, char const*,
void*) + 805
29 clang 0x08755f42 main + 521
30 libc.so.6 0x00126bd6 __libc_start_main + 230
31 clang 0x0874bda1
Stack dump:
0. Program arguments: /home/rkotler/llvm/install/bin/clang -cc1 -triple
mipsel--linux-gnu -S -disable-free -main-file-name test.cc -mrelocation-model
static -mdisable-fp-elim -fmath-errno -mconstructor-aliases -target-cpu mips32
-target-abi o32 -mfloat-abi hard -target-linker-version 2.20.1
-momit-leaf-frame-pointer -v -coverage-file /home/rkotler/test/test.s
-resource-dir /home/rkotler/llvm/install/bin/../lib/clang/3.3
-fmodule-cache-path /var/tmp/clang-module-cache -internal-isystem
/usr/local/include -internal-isystem
/home/rkotler/llvm/install/bin/../lib/clang/3.3/include
-internal-externc-isystem /include -internal-externc-isystem /usr/include -O3
-fdeprecated-macro -fno-dwarf-directory-asm -fdebug-compilation-dir
/home/rkotler/test -ferror-limit 19 -fmessage-length 80 -mstackrealign
-fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option
-fcolor-diagnostics -backend-option -vectorize-loops -o test.s -x c++ test.cc
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'test.cc'.
4. Running pass 'MIPS DAG->DAG Pattern Instruction Selection' on function
'@_Z3fooi'
clang: error: unable to execute command: Aborted
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 3.3 (gitosis at dmz-portal.mips.com:clang.git
16f90bfe53ed637156c315cbbeddcf2d91266d67) (gitosis at dmz-portal.mips.com:llvm.git
c698d3a2a40f0909d16cbe857685f0f22cb9ae43)
Target: mipsel--linux-gnu
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /tmp/test-e6EdNG.cpp
clang: note: diagnostic msg: /tmp/test-e6EdNG.sh
clang: note: diagnostic msg:
********************
--
Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are on the CC list for the bug.
More information about the llvm-bugs
mailing list