[PATCH] D156016: [Support] Change MapVector's default template parameter to SmallVector<*, 0>
Fangrui Song via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 25 17:23:17 PDT 2023
MaskRay added a comment.
In D156016#4533689 <https://reviews.llvm.org/D156016#4533689>, @tianshilei1992 wrote:
> In D156016#4533187 <https://reviews.llvm.org/D156016#4533187>, @MaskRay wrote:
>
>> In D156016#4533091 <https://reviews.llvm.org/D156016#4533091>, @tianshilei1992 wrote:
>>
>>> This patch causes compile error when using GCC 7.5.0.
>>>
>>> [303/2700] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FaultMaps.cpp.o
>>> FAILED: lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FaultMaps.cpp.o
>>> ccache /usr/bin/c++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D_LIBCPP_ENABLE_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/gpfs/jlse-fs0/users/ac.shilei.tian/build/llvm/release/lib/CodeGen -I/home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen -I/gpfs/jlse-fs0/users/ac.shilei.tian/build/llvm/release/include -I/home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -fno-lifetime-dse -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-maybe-uninitialized -Wno-nonnull -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fPIC -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++1z -MD -MT lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FaultMaps.cpp.o -MF lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FaultMaps.cpp.o.d -o lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FaultMaps.cpp.o -c /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/FaultMaps.cpp
>>> In file included from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/Support/PointerLikeTypeTraits.h:19:0,
>>> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:18,
>>> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/MC/MCSymbol.h:16,
>>> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/CodeGen/FaultMaps.h:12,
>>> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/FaultMaps.cpp:9:
>>> /usr/include/c++/7/type_traits: In substitution of ‘template<class _Tp, class> static std::true_type std::__do_is_default_constructible_impl::__test(int) [with _Tp = llvm::StackMaps::FunctionInfo; <template-parameter-1-2> = <missing>]’:
>>> /usr/include/c++/7/type_traits:889:35: required from ‘struct std::__is_default_constructible_impl<llvm::StackMaps::FunctionInfo>’
>>> /usr/include/c++/7/type_traits:143:12: required from ‘struct std::__and_<std::__not_<std::is_void<llvm::StackMaps::FunctionInfo> >, std::__is_default_constructible_impl<llvm::StackMaps::FunctionInfo> >’
>>> /usr/include/c++/7/type_traits:893:12: required from ‘struct std::__is_default_constructible_atom<llvm::StackMaps::FunctionInfo>’
>>> /usr/include/c++/7/type_traits:914:12: required from ‘struct std::__is_default_constructible_safe<llvm::StackMaps::FunctionInfo, false>’
>>> /usr/include/c++/7/type_traits:920:12: required from ‘struct std::is_default_constructible<llvm::StackMaps::FunctionInfo>’
>>> /usr/include/c++/7/type_traits:143:12: [ skipping 16 instantiation contexts, use -ftemplate-backtrace-limit=0 to disable ]
>>> /usr/include/c++/7/type_traits:1147:12: required from ‘struct std::is_copy_constructible<llvm::detail::copy_construction_triviality_helper<std::pair<const llvm::MCSymbol*, llvm::StackMaps::FunctionInfo> > >’
>>> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/Support/type_traits.h:97:8: required from ‘struct llvm::is_trivially_copy_constructible<std::pair<const llvm::MCSymbol*, llvm::StackMaps::FunctionInfo> >’
>>> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/ADT/SmallVector.h:329:74: required from ‘class llvm::SmallVectorImpl<std::pair<const llvm::MCSymbol*, llvm::StackMaps::FunctionInfo> >’
>>> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/ADT/SmallVector.h:1199:22: required from ‘class llvm::SmallVector<std::pair<const llvm::MCSymbol*, llvm::StackMaps::FunctionInfo>, 0>’
>>> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/ADT/MapVector.h:38:14: required from ‘class llvm::MapVector<const llvm::MCSymbol*, llvm::StackMaps::FunctionInfo>’
>>> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/CodeGen/StackMaps.h:367:13: required from here
>>> /usr/include/c++/7/type_traits:878:48: error: constructor required before non-static data member for ‘llvm::StackMaps::FunctionInfo::StackSize’ has been parsed
>>> template<typename _Tp, typename = decltype(_Tp())>
>>> ^~~~~
>>> /usr/include/c++/7/type_traits:878:48: error: constructor required before non-static data member for ‘llvm::StackMaps::FunctionInfo::RecordCount’ has been parsed
>>
>>
>>
>> --- i/llvm/include/llvm/CodeGen/StackMaps.h
>> +++ w/llvm/include/llvm/CodeGen/StackMaps.h
>> @@ -330,7 +330,9 @@ public:
>> LiveOuts(std::move(LiveOuts)) {}
>> };
>>
>> - using FnInfoMap = MapVector<const MCSymbol *, FunctionInfo>;
>> + using FnInfoMap = MapVector<const MCSymbol *, FunctionInfo,
>> + DenseMap<const MCSymbol *, unsigned>,
>> + std::vector<FunctionInfo>>;
>> using CallsiteInfoList = std::vector<CallsiteInfo>;
>>
>> /// Generate a stackmap record for a stackmap instruction.
>>
>> can work around gcc 7.3.0, but it seems that gcc 7.3.0 has other errors unrelated to MapVector.
>
> This doesn't seem to be able to work around GCC 7.5.0.
>
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp: In member function ‘void llvm::StackMaps::recordStackMapOpers(const llvm::MCSymbol&, const llvm::MachineInstr&, uint64_t, llvm::MachineInstr::const_mop_iterator, llvm::MachineInstr::const_mop_iterator, bool)’:
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:539:16: error: ‘struct llvm::StackMaps::FunctionInfo’ has no member named ‘second’
> CurrentIt->second.RecordCount++;
> ^~~~~~
> In file included from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/CodeGen/LowLevelType.h:31:0,
> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/CodeGen/MachineMemOperand.h:20,
> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/CodeGen/MachineInstr.h:24,
> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/CodeGen/StackMaps.h:14,
> from /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:9:
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp: In member function ‘void llvm::StackMaps::emitFunctionFrameRecords(llvm::MCStreamer&)’:
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:622:58: error: ‘const struct llvm::StackMaps::FunctionInfo’ has no member named ‘first’
> LLVM_DEBUG(dbgs() << WSMP << "function addr: " << FR.first
> ^
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/Support/Debug.h:65:69: note: in definition of macro ‘DEBUG_WITH_TYPE’
> do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType(TYPE)) { X; } \
> ^
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:622:5: note: in expansion of macro ‘LLVM_DEBUG’
> LLVM_DEBUG(dbgs() << WSMP << "function addr: " << FR.first
> ^~~~~~~~~~
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:623:48: error: ‘const struct llvm::StackMaps::FunctionInfo’ has no member named ‘second’
> << " frame size: " << FR.second.StackSize
> ^
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/Support/Debug.h:65:69: note: in definition of macro ‘DEBUG_WITH_TYPE’
> do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType(TYPE)) { X; } \
> ^
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:622:5: note: in expansion of macro ‘LLVM_DEBUG’
> LLVM_DEBUG(dbgs() << WSMP << "function addr: " << FR.first
> ^~~~~~~~~~
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:624:52: error: ‘const struct llvm::StackMaps::FunctionInfo’ has no member named ‘second’
> << " callsite count: " << FR.second.RecordCount << '\n');
> ^
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/include/llvm/Support/Debug.h:65:69: note: in definition of macro ‘DEBUG_WITH_TYPE’
> do { if (::llvm::DebugFlag && ::llvm::isCurrentDebugType(TYPE)) { X; } \
> ^
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:622:5: note: in expansion of macro ‘LLVM_DEBUG’
> LLVM_DEBUG(dbgs() << WSMP << "function addr: " << FR.first
> ^~~~~~~~~~
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:625:27: error: ‘const struct llvm::StackMaps::FunctionInfo’ has no member named ‘first’
> OS.emitSymbolValue(FR.first, 8);
> ^~~~~
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:626:24: error: ‘const struct llvm::StackMaps::FunctionInfo’ has no member named ‘second’
> OS.emitIntValue(FR.second.StackSize, 8);
> ^~~~~~
> /home/ac.shilei.tian/Documents/vscode/llvm-project/llvm/lib/CodeGen/StackMaps.cpp:627:24: error: ‘const struct llvm::StackMaps::FunctionInfo’ has no member named ‘second’
> OS.emitIntValue(FR.second.RecordCount, 8);
> ^~~~~~
6a684dbc4433a33e5f94fb15c9e378a2408021e0 <https://reviews.llvm.org/rG6a684dbc4433a33e5f94fb15c9e378a2408021e0> should have fixed the build for GCC 7.5.0.
GCC 7.3.0 has many other issues as the commit message said...
Repository:
rG LLVM Github Monorepo
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https://reviews.llvm.org/D156016/new/
https://reviews.llvm.org/D156016
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