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Fix PR1139

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33610 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-29 00:21:34 +00:00
parent 94c49edfe2
commit c36357c406
1 changed files with 23 additions and 16 deletions
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39
lib/Linker/LinkModules.cpp
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@ -849,24 +849,31 @@ Linker::LinkModules(Module *Dest, Module *Src, std::string *ErrorMsg) {
assert(Dest != 0 && "Invalid Destination module");
assert(Src != 0 && "Invalid Source Module");
std::string DataLayout;
if (Dest->getDataLayout().empty()) {
if (!Src->getDataLayout().empty()) {
Dest->setDataLayout(Src->getTargetTriple());
} else {
std::string DataLayout;
if (Dest->getEndianness() == Module::AnyEndianness)
if (Src->getEndianness() == Module::BigEndian)
DataLayout.append("E");
else if (Src->getEndianness() == Module::LittleEndian)
DataLayout.append("e");
if (Dest->getPointerSize() == Module::AnyPointerSize)
if (Src->getPointerSize() == Module::Pointer64)
DataLayout.append(DataLayout.length() == 0 ? "p:64:64" : "-p:64:64");
else if (Src->getPointerSize() == Module::Pointer32)
DataLayout.append(DataLayout.length() == 0 ? "p:32:32" : "-p:32:32");
if (Dest->getTargetTriple().empty())
if (Dest->getEndianness() == Module::AnyEndianness)
if (Src->getEndianness() == Module::BigEndian)
DataLayout.append("E");
else if (Src->getEndianness() == Module::LittleEndian)
DataLayout.append("e");
if (Dest->getPointerSize() == Module::AnyPointerSize)
if (Src->getPointerSize() == Module::Pointer64)
DataLayout.append(DataLayout.length() == 0 ? "p:64:64" : "-p:64:64");
else if (Src->getPointerSize() == Module::Pointer32)
DataLayout.append(DataLayout.length() == 0 ? "p:32:32" : "-p:32:32");
Dest->setDataLayout(DataLayout);
}
}
if (Dest->getTargetTriple().empty() && !Src->getTargetTriple().empty())
Dest->setTargetTriple(Src->getTargetTriple());
Dest->setDataLayout(DataLayout);
if (Src->getDataLayout().length() > 0 && Dest->getDataLayout().length() > 0 &&
Src->getDataLayout().compare(Dest->getDataLayout()) != 0)
if (!Src->getDataLayout().empty() && !Dest->getDataLayout().empty() &&
Src->getDataLayout() != Dest->getDataLayout())
cerr << "WARNING: Linking two modules of different data layouts!\n";
if (!Src->getTargetTriple().empty() &&
Dest->getTargetTriple() != Src->getTargetTriple())