diff options
| author | Chandler Carruth <chandlerc@gmail.com> | 2012-02-06 20:46:33 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2012-02-06 20:46:33 +0000 |
| commit | 7d5a289f2d7d75c29df4c17856ab54dd28dec508 (patch) | |
| tree | d64645784013e08a3bb39c9f33d02a457cc40877 /lib | |
| parent | fccf0623ee35e0bbbbf0ba963a5500b7fd87fa11 (diff) | |
Introduce helpers to compute the 32-bit varaints and 64-bit variants of
some architectures. These are useful for interacting with multiarch or
bi-arch GCC (or GCC-based) toolchains.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149895 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Support/Triple.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp index 7433c0ae86..7c4da12bfe 100644 --- a/lib/Support/Triple.cpp +++ b/lib/Support/Triple.cpp @@ -753,3 +753,77 @@ bool Triple::isArch32Bit() const { bool Triple::isArch16Bit() const { return getArchPointerBitWidth(getArch()) == 16; } + +Triple Triple::get32BitArchVariant() const { + Triple T(*this); + switch (getArch()) { + case Triple::UnknownArch: + case Triple::InvalidArch: + case Triple::msp430: + T.setArch(UnknownArch); + break; + + case Triple::amdil: + case Triple::arm: + case Triple::cellspu: + case Triple::hexagon: + case Triple::le32: + case Triple::mblaze: + case Triple::mips: + case Triple::mipsel: + case Triple::ppc: + case Triple::ptx32: + case Triple::sparc: + case Triple::tce: + case Triple::thumb: + case Triple::x86: + case Triple::xcore: + // Already 32-bit. + break; + + case Triple::mips64: T.setArch(Triple::mips); break; + case Triple::mips64el: T.setArch(Triple::mipsel); break; + case Triple::ppc64: T.setArch(Triple::ppc); break; + case Triple::ptx64: T.setArch(Triple::ptx32); break; + case Triple::sparcv9: T.setArch(Triple::sparc); break; + case Triple::x86_64: T.setArch(Triple::x86); break; + } + return T; +} + +Triple Triple::get64BitArchVariant() const { + Triple T(*this); + switch (getArch()) { + case Triple::InvalidArch: + case Triple::UnknownArch: + case Triple::amdil: + case Triple::arm: + case Triple::cellspu: + case Triple::hexagon: + case Triple::le32: + case Triple::mblaze: + case Triple::msp430: + case Triple::tce: + case Triple::thumb: + case Triple::xcore: + T.setArch(UnknownArch); + break; + + case Triple::mips64: + case Triple::mips64el: + case Triple::ppc64: + case Triple::ptx64: + case Triple::sparcv9: + case Triple::x86_64: + // Already 64-bit. + break; + + case Triple::mips: T.setArch(Triple::mips64); break; + case Triple::mipsel: T.setArch(Triple::mips64el); break; + case Triple::ppc: T.setArch(Triple::ppc64); break; + case Triple::ptx32: T.setArch(Triple::ptx64); break; + case Triple::sparc: T.setArch(Triple::sparcv9); break; + case Triple::x86: T.setArch(Triple::x86_64); break; + } + return T; +} |