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Simplify createELFFile. NFC.

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llvm-svn: 265758
This commit is contained in:
Rui Ueyama 2016-04-08 00:18:25 +00:00
parent 4655ea3ff8
commit 57bbdaf937
1 changed files with 8 additions and 6 deletions
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14
lld/ELF/InputFiles.cpp
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@ -536,17 +536,19 @@ static std::unique_ptr<InputFile> createELFFileAux(MemoryBufferRef MB) {
template <template <class> class T>
static std::unique_ptr<InputFile> createELFFile(MemoryBufferRef MB) {
std::pair<unsigned char, unsigned char> Type = getElfArchType(MB.getBuffer());
if (Type.second != ELF::ELFDATA2LSB && Type.second != ELF::ELFDATA2MSB)
unsigned char Size;
unsigned char Endian;
std::tie(Size, Endian) = getElfArchType(MB.getBuffer());
if (Endian != ELFDATA2LSB && Endian != ELFDATA2MSB)
fatal("invalid data encoding: " + MB.getBufferIdentifier());
if (Type.first == ELF::ELFCLASS32) {
if (Type.second == ELF::ELFDATA2LSB)
if (Size == ELFCLASS32) {
if (Endian == ELFDATA2LSB)
return createELFFileAux<T<ELF32LE>>(MB);
return createELFFileAux<T<ELF32BE>>(MB);
}
if (Type.first == ELF::ELFCLASS64) {
if (Type.second == ELF::ELFDATA2LSB)
if (Size == ELFCLASS64) {
if (Endian == ELFDATA2LSB)
return createELFFileAux<T<ELF64LE>>(MB);
return createELFFileAux<T<ELF64BE>>(MB);
}