-}
-
-static std::string computeDataLayout(const Triple &TT) {
- // X86 is little endian
- std::string Ret = "e";
-
- Ret += DataLayout::getManglingComponent(TT);
- // X86 and x32 have 32 bit pointers.
- if ((TT.isArch64Bit() &&
- (TT.getEnvironment() == Triple::GNUX32 || TT.isOSNaCl())) ||
- !TT.isArch64Bit())
- Ret += "-p:32:32";
-
- // Some ABIs align 64 bit integers and doubles to 64 bits, others to 32.
- if (TT.isArch64Bit() || TT.isOSWindows() || TT.isOSNaCl())
- Ret += "-i64:64";
- else
- Ret += "-f64:32:64";
-
- // Some ABIs align long double to 128 bits, others to 32.
- if (TT.isOSNaCl())
- ; // No f80
- else if (TT.isArch64Bit() || TT.isOSDarwin())
- Ret += "-f80:128";
- else
- Ret += "-f80:32";
-
- // The registers can hold 8, 16, 32 or, in x86-64, 64 bits.
- if (TT.isArch64Bit())
- Ret += "-n8:16:32:64";
- else
- Ret += "-n8:16:32";
-
- // The stack is aligned to 32 bits on some ABIs and 128 bits on others.
- if (!TT.isArch64Bit() && TT.isOSWindows())
- Ret += "-S32";
- else
- Ret += "-S128";
-
- return Ret;