+
+static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
+ switch (Arch) {
+ case llvm::Triple::UnknownArch:
+ return 0;
+
+ case llvm::Triple::msp430:
+ return 16;
+
+ case llvm::Triple::amdil:
+ case llvm::Triple::arm:
+ case llvm::Triple::cellspu:
+ case llvm::Triple::hexagon:
+ case llvm::Triple::le32:
+ case llvm::Triple::mblaze:
+ case llvm::Triple::mips:
+ case llvm::Triple::mipsel:
+ case llvm::Triple::nvptx:
+ case llvm::Triple::ppc:
+ case llvm::Triple::r600:
+ case llvm::Triple::sparc:
+ case llvm::Triple::tce:
+ case llvm::Triple::thumb:
+ case llvm::Triple::x86:
+ case llvm::Triple::xcore:
+ return 32;
+
+ case llvm::Triple::mips64:
+ case llvm::Triple::mips64el:
+ case llvm::Triple::nvptx64:
+ case llvm::Triple::ppc64:
+ case llvm::Triple::sparcv9:
+ case llvm::Triple::x86_64:
+ return 64;
+ }
+ llvm_unreachable("Invalid architecture value");
+}
+
+bool Triple::isArch64Bit() const {
+ return getArchPointerBitWidth(getArch()) == 64;
+}
+
+bool Triple::isArch32Bit() const {
+ return getArchPointerBitWidth(getArch()) == 32;
+}
+
+bool Triple::isArch16Bit() const {
+ return getArchPointerBitWidth(getArch()) == 16;
+}
+
+Triple Triple::get32BitArchVariant() const {
+ Triple T(*this);
+ switch (getArch()) {
+ case Triple::UnknownArch:
+ 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::nvptx:
+ case Triple::ppc:
+ case Triple::r600:
+ 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::nvptx64: T.setArch(Triple::nvptx); break;
+ case Triple::ppc64: T.setArch(Triple::ppc); 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::UnknownArch:
+ case Triple::amdil:
+ case Triple::arm:
+ case Triple::cellspu:
+ case Triple::hexagon:
+ case Triple::le32:
+ case Triple::mblaze:
+ case Triple::msp430:
+ case Triple::r600:
+ case Triple::tce:
+ case Triple::thumb:
+ case Triple::xcore:
+ T.setArch(UnknownArch);
+ break;
+
+ case Triple::mips64:
+ case Triple::mips64el:
+ case Triple::nvptx64:
+ case Triple::ppc64:
+ 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::nvptx: T.setArch(Triple::nvptx64); break;
+ case Triple::ppc: T.setArch(Triple::ppc64); break;
+ case Triple::sparc: T.setArch(Triple::sparcv9); break;
+ case Triple::x86: T.setArch(Triple::x86_64); break;
+ }
+ return T;
+}