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https://bugs.llvm.org/show_bug.cgi?id=39427
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913271
This commit is contained in:
Sylvestre Ledru 2018-11-15 14:16:27 +01:00
parent d6f8ecf3e0
commit d3d41b8103
1 changed files with 44 additions and 0 deletions
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44
debian/qualify-clang.sh vendored
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@ -312,6 +312,50 @@ echo 'int main() {
' > foo.c
clang-$VERSION -g -o bar foo.c
# ABI issue between gcc & clang
# https://bugs.llvm.org/show_bug.cgi?id=39427
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913271
echo '
#include <llvm/ADT/ArrayRef.h>
#include <llvm/ADT/Optional.h>
namespace llvm { class Constant{}; class Type; class Value; }
extern llvm::Constant* bar (llvm::Type*, llvm::Constant*, llvm::ArrayRef<llvm::Value*>, bool, llvm::Optional<unsigned> o, llvm::Type*);
#ifdef PART2
llvm::Constant* bar (llvm::Type*, llvm::Constant*, llvm::ArrayRef<llvm::Value*>, bool, llvm::Optional<unsigned> o, llvm::Type*)
{
return o.hasValue()?static_cast<llvm::Constant*>(nullptr)+1:nullptr;
}
#endif
#ifndef PART2
static llvm::Constant* doConstantRef(llvm::Type* type, llvm::Constant* var, llvm::ArrayRef<llvm::Value*> steps)
{
llvm::Optional<unsigned> inRangeIndex;
return bar(type, var, steps, false, inRangeIndex, nullptr);
}
bool foo()
{
llvm::Constant* var = nullptr;
llvm::Value* zero = nullptr;
llvm::Value* indexes[2] = {zero, zero};
llvm::ArrayRef<llvm::Value*> steps(indexes, 2);
auto result = doConstantRef(nullptr, var, steps);
return result;
}
int main()
{
return foo();
}
#endif
' > foo.cpp
FLAGS="-I/usr/lib/llvm-$VERSION/include -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wdelete-non-virtual-dtor -Wno-comment -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -fno-strict-aliasing -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -ffunction-sections -fdata-sections -O2 -DNDEBUG -fno-exceptions -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS"
clang++-$VERSION -c -o part1.o foo.cpp $FLAGS
if test -f /usr/bin/g++; then
g++ -c -o part2.o -DPART2 foo.cpp $FLAGS
clang++-$VERSION -o foo part1.o part2.o $FLAGS
./foo || true
fi
rm part1.o part2.o
if test ! -f /usr/lib/llvm-$VERSION/lib/libomp.so; then
echo "Install libomp-$VERSION-dev";