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Introduce helpers to compute the 32-bit varaints and 64-bit variants of

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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
This commit is contained in:
Chandler Carruth
2012-02-06 20:46:33 +00:00
parent fccf0623ee
commit 7d5a289f2d
3 changed files with 156 additions and 0 deletions
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74
lib/Support/Triple.cpp
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@@ -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;
}