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<head>
<base href="https://bugs.llvm.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Clang failing with "Cannot emit physreg copy instruction""
href="https://bugs.llvm.org/show_bug.cgi?id=34830">34830</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Clang failing with "Cannot emit physreg copy instruction"
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>hans@chromium.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>From Chromium: <a href="https://bugs.chromium.org/p/chromium/issues/detail?id=771670">https://bugs.chromium.org/p/chromium/issues/detail?id=771670</a>
FAILED: obj/third_party/sqlite/chromium_sqlite3/sqlite3.o
export DEVELOPER_DIR=/b/c/builder/ClangToTMac/src/build/mac_files/Xcode.app;
../../third_party/llvm-build/Release+Asserts/bin/clang -MMD -MF
obj/third_party/sqlite/chromium_sqlite3/sqlite3.o.d -DSQLITE_ENABLE_FTS3
-DSQLITE_DISABLE_FTS3_UNICODE -DSQLITE_DISABLE_FTS4_DEFERRED
-DSQLITE_ENABLE_ICU -DSQLITE_ENABLE_MEMORY_MANAGEMENT -DSQLITE_SECURE_DELETE
-DSQLITE_SEPARATE_CACHE_POOLS -DSQLITE_THREADSAFE=1
-DSQLITE_MAX_WORKER_THREADS=0 -DSQLITE_MAX_MMAP_SIZE=268435456
-DSQLITE_MMAP_READ_ONLY=1 -DSQLITE_DEFAULT_PCACHE_INITSZ=0
-DSQLITE_API=__attribute__\(\(visibility\(\"default\"\)\)\) -DHAVE_USLEEP=1
-DUSE_PREAD=1 -DV8_DEPRECATION_WARNINGS -DNO_TCMALLOC -DFULL_SAFE_BROWSING
-DSAFE_BROWSING_CSD -DSAFE_BROWSING_DB_LOCAL -DCHROMIUM_BUILD
-DFIELDTRIAL_TESTING_ENABLED -DCR_CLANG_REVISION=\"314905\"
-DCR_XCODE_VERSION=0832 -DCOMPONENT_BUILD
-D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DNDEBUG -DNVALGRIND
-DDYNAMIC_ANNOTATIONS_ENABLED=0 -DU_USING_ICU_NAMESPACE=0 -DU_ENABLE_DYLOAD=0
-DICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -DUCHAR_TYPE=uint16_t
-I../../third_party/sqlite/amalgamation -I../.. -Igen
-I../../third_party/icu/source/common -I../../third_party/icu/source/i18n
-fno-strict-aliasing -fstack-protector -Wno-builtin-macro-redefined -D__DATE__=
-D__TIME__= -D__TIMESTAMP__= -fcolor-diagnostics -Xclang -mllvm -Xclang
-instcombine-lower-dbg-declare=1 -arch x86_64 -O2 -fno-omit-frame-pointer -g1
-isysroot
../../build/mac_files/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
-mmacosx-version-min=10.9.0 -fvisibility=hidden -Wheader-hygiene
-Wstring-conversion -Wtautological-overlap-compare -Werror -Wall
-Wno-unused-variable -Wunguarded-availability -Wno-missing-field-initializers
-Wno-unused-parameter -Wno-c++11-narrowing -Wno-covered-switch-default
-Wno-unneeded-internal-declaration -Wno-inconsistent-missing-override
-Wno-undefined-var-template -Wno-nonportable-include-path
-Wno-address-of-packed-member -Wno-unused-lambda-capture
-Wno-user-defined-warnings -Wno-enum-compare-switch
-Wno-tautological-unsigned-zero-compare -Wno-null-pointer-arithmetic
-Wno-tautological-unsigned-enum-zero-compare -Wno-unused-function -std=c11 -c
../../third_party/sqlite/amalgamation/sqlite3.c -o
obj/third_party/sqlite/chromium_sqlite3/sqlite3.o
Cannot emit physreg copy instruction
UNREACHABLE executed at
/b/c/builder/ClangToTMac/src/third_party/llvm/lib/Target/X86/X86InstrInfo.cpp:6760!
0 clang-6.0 0x0000000108e94fc8
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1 clang-6.0 0x0000000108e956c6
llvm::sys::PrintStackTraceOnErrorSignal(llvm::StringRef, bool) + 838
2 libsystem_platform.dylib 0x00007fffebb66bba _sigtramp + 26
3 libsystem_platform.dylib 0x00007fff5868b860 _sigtramp + 1823624384
4 libsystem_c.dylib 0x00007fffeb9ed420 abort + 129
5 clang-6.0 0x0000000108e20ad7
llvm::llvm_unreachable_internal(char const*, char const*, unsigned int) + 471
6 clang-6.0 0x00000001081737d9
llvm::X86InstrInfo::copyPhysReg(llvm::MachineBasicBlock&,
llvm::MachineInstrBundleIterator<llvm::MachineInstr, false>, llvm::DebugLoc
const&, unsigned int, unsigned int, bool) const + 6409
7 clang-6.0 0x00000001084d2119
llvm::initializeExpandPostRAPass(llvm::PassRegistry&) + 3737
8 clang-6.0 0x00000001085ae294
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 180
9 clang-6.0 0x000000010889efd3
llvm::FPPassManager::runOnFunction(llvm::Function&) + 547
10 clang-6.0 0x000000010889f233
llvm::FPPassManager::runOnModule(llvm::Module&) + 51
11 clang-6.0 0x000000010889f77e
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 958
12 clang-6.0 0x00000001090ce7c3
clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions
const&, clang::CodeGenOptions const&, clang::TargetOptions const&,
clang::LangOptions const&, llvm::DataLayout const&, llvm::Module*,
clang::BackendAction, std::__1::unique_ptr<llvm::raw_pwrite_stream,
std::__1::default_delete<llvm::raw_pwrite_stream> >) + 15571
13 clang-6.0 0x0000000109329175
clang::EmitObjAction::EmitObjAction(llvm::LLVMContext*) + 2341
14 clang-6.0 0x0000000109dac495 clang::ParseAST(clang::Sema&,
bool, bool) + 469
15 clang-6.0 0x00000001095bcfcc clang::FrontendAction::Execute()
+ 76
16 clang-6.0 0x0000000109575cf1
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 1217
17 clang-6.0 0x00000001096244ba
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 4970
18 clang-6.0 0x0000000107575367 cc1_main(llvm::ArrayRef<char
const*>, char const*, void*) + 1399
19 clang-6.0 0x00000001075739ef main + 11951
20 libdyld.dylib 0x00007fffeb959255 start + 1
21 libdyld.dylib 0x00000000000000ac start + 342519384
Stack dump:
0. Program arguments:
/b/c/builder/ClangToTMac/src/third_party/llvm-build/Release+Asserts/bin/clang-6.0
-cc1 -triple x86_64-apple-macosx10.9.0 -Wdeprecated-objc-isa-usage
-Werror=deprecated-objc-isa-usage -emit-obj -disable-free -main-file-name
sqlite3.c -mrelocation-model pic -pic-level 2 -mthread-model posix
-mdisable-fp-elim -relaxed-aliasing -masm-verbose -munwind-tables
-faligned-alloc-unavailable -target-cpu core2 -dwarf-column-info
-debug-info-kind=line-tables-only -dwarf-version=2 -debugger-tuning=lldb
-target-linker-version 274.1 -coverage-notes-file
/b/c/builder/ClangToTMac/src/out/Release/obj/third_party/sqlite/chromium_sqlite3/sqlite3.gcno
-resource-dir
/b/c/builder/ClangToTMac/src/third_party/llvm-build/Release+Asserts/lib/clang/6.0.0
-dependency-file obj/third_party/sqlite/chromium_sqlite3/sqlite3.o.d -MT
obj/third_party/sqlite/chromium_sqlite3/sqlite3.o -isysroot
../../build/mac_files/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk
-D SQLITE_ENABLE_FTS3 -D SQLITE_DISABLE_FTS3_UNICODE -D
SQLITE_DISABLE_FTS4_DEFERRED -D SQLITE_ENABLE_ICU -D
SQLITE_ENABLE_MEMORY_MANAGEMENT -D SQLITE_SECURE_DELETE -D
SQLITE_SEPARATE_CACHE_POOLS -D SQLITE_THREADSAFE=1 -D
SQLITE_MAX_WORKER_THREADS=0 -D SQLITE_MAX_MMAP_SIZE=268435456 -D
SQLITE_MMAP_READ_ONLY=1 -D SQLITE_DEFAULT_PCACHE_INITSZ=0 -D
SQLITE_API=__attribute__((visibility("default"))) -D HAVE_USLEEP=1 -D
USE_PREAD=1 -D V8_DEPRECATION_WARNINGS -D NO_TCMALLOC -D FULL_SAFE_BROWSING -D
SAFE_BROWSING_CSD -D SAFE_BROWSING_DB_LOCAL -D CHROMIUM_BUILD -D
FIELDTRIAL_TESTING_ENABLED -D CR_CLANG_REVISION="314905" -D
CR_XCODE_VERSION=0832 -D COMPONENT_BUILD -D
__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -D NDEBUG -D NVALGRIND -D
DYNAMIC_ANNOTATIONS_ENABLED=0 -D U_USING_ICU_NAMESPACE=0 -D U_ENABLE_DYLOAD=0
-D ICU_UTIL_DATA_IMPL=ICU_UTIL_DATA_FILE -D UCHAR_TYPE=uint16_t -I
../../third_party/sqlite/amalgamation -I ../.. -I gen -I
../../third_party/icu/source/common -I ../../third_party/icu/source/i18n -D
__DATE__= -D __TIME__= -D __TIMESTAMP__= -O2 -Wno-builtin-macro-redefined
-Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Werror
-Wall -Wno-unused-variable -Wunguarded-availability
-Wno-missing-field-initializers -Wno-unused-parameter -Wno-c++11-narrowing
-Wno-covered-switch-default -Wno-unneeded-internal-declaration
-Wno-inconsistent-missing-override -Wno-undefined-var-template
-Wno-nonportable-include-path -Wno-address-of-packed-member
-Wno-unused-lambda-capture -Wno-user-defined-warnings -Wno-enum-compare-switch
-Wno-tautological-unsigned-zero-compare -Wno-null-pointer-arithmetic
-Wno-tautological-unsigned-enum-zero-compare -Wno-unused-function -std=c11
-fdebug-compilation-dir /b/c/builder/ClangToTMac/src/out/Release -ferror-limit
19 -fmessage-length 0 -fvisibility hidden -stack-protector 1 -fblocks
-fencode-extended-block-signature -fobjc-runtime=macosx-10.9.0
-fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics
-vectorize-loops -vectorize-slp -mllvm -instcombine-lower-dbg-declare=1 -o
obj/third_party/sqlite/chromium_sqlite3/sqlite3.o -x c
../../third_party/sqlite/amalgamation/sqlite3.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module
'../../third_party/sqlite/amalgamation/sqlite3.c'.
4. Running pass 'Post-RA pseudo instruction expansion pass' on function
'@walIndexWriteHdr'
clang-6.0: error: unable to execute command: Abort trap: 6
clang-6.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 6.0.0 (trunk 314905)
Target: x86_64-apple-darwin16.3.0
Thread model: posix
InstalledDir:
/b/c/builder/ClangToTMac/src/out/Release/../../third_party/llvm-build/Release+Asserts/bin
clang-6.0: note: diagnostic msg: PLEASE submit a bug report to
<a href="http://llvm.org/bugs/">http://llvm.org/bugs/</a> and include the crash backtrace, preprocessed source, and
associated run script.
clang-6.0: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-6.0: note: diagnostic msg: /b/rr/tmpTs51JE/t/sqlite3-74212c.c
clang-6.0: note: diagnostic msg: /b/rr/tmpTs51JE/t/sqlite3-74212c.sh
clang-6.0: note: diagnostic msg: /b/rr/tmpTs51JE/t/sqlite3-74212c.crash
clang-6.0: note: diagnostic msg:
********************</pre>
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