本文整理汇总了C++中llvm::Module::setDataLayout方法的典型用法代码示例。如果您正苦于以下问题：C++ Module::setDataLayout方法的具体用法？C++ Module::setDataLayout怎么用？C++ Module::setDataLayout使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类llvm::Module的用法示例。
在下文中一共展示了Module::setDataLayout方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: assert
bool
RenderScriptRuntimeModulePass::runOnModule(llvm::Module &module)
{
bool changed_module = false;
Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE | LIBLLDB_LOG_EXPRESSIONS));
std::string err;
llvm::StringRef real_triple = m_process_ptr->GetTarget().GetArchitecture().GetTriple().getTriple();
const llvm::Target *target_info = llvm::TargetRegistry::lookupTarget(real_triple, err);
if (!target_info)
{
if (log)
log->Warning("couldn't determine real target architecture: '%s'", err.c_str());
return false;
}
llvm::Optional<llvm::Reloc::Model> reloc_model = llvm::None;
assert(m_process_ptr && "no available lldb process");
switch (m_process_ptr->GetTarget().GetArchitecture().GetMachine())
{
case llvm::Triple::ArchType::x86:
changed_module |= fixupX86FunctionCalls(module);
// For some reason this triple gets totally missed by the backend, and must be set manually.
// There a reference in bcc/Main.cpp about auto feature-detection being removed from LLVM3.5, but I can't
// see that discussion anywhere public.
real_triple = "i686--linux-android";
break;
case llvm::Triple::ArchType::x86_64:
changed_module |= fixupX86_64FunctionCalls(module);
break;
case llvm::Triple::ArchType::mipsel:
case llvm::Triple::ArchType::mips64el:
// No actual IR fixup pass is needed on MIPS, but the datalayout
// and targetmachine do need to be explicitly set.
// bcc explicitly compiles MIPS code to use the static relocation
// model due to an issue with relocations in mclinker.
// see libbcc/support/CompilerConfig.cpp for details
reloc_model = llvm::Reloc::Static;
changed_module = true;
break;
case llvm::Triple::ArchType::arm:
case llvm::Triple::ArchType::aarch64:
// ARM subtargets need no fixup passes as they are the initial target as generated by the
// slang compiler frontend.
break;
default:
if (log)
log->Warning("Ignoring unknown renderscript target");
return false;
}
if (changed_module)
{
llvm::TargetOptions options;
llvm::TargetMachine *target_machine =
target_info->createTargetMachine(real_triple, "", "", options, reloc_model);
assert(target_machine && "failed to identify RenderScriptRuntime target machine");
// We've been using a triple and datalayout of some ARM variant all along, so
// we need to let the backend know that this is no longer the case.
if (log)
{
log->Printf("%s - Changing RS target triple to '%s'", __FUNCTION__, real_triple.str().c_str());
log->Printf("%s - Changing RS datalayout to '%s'", __FUNCTION__,
target_machine->createDataLayout().getStringRepresentation().c_str());
}
module.setTargetTriple(real_triple);
module.setDataLayout(target_machine->createDataLayout());
}
return changed_module;
}