void SubtargetFeatures::dump() const {
print(errs());
}
+
+/// getDefaultSubtargetFeatures - Return a string listing
+/// the features associated with the target triple.
+///
+/// FIXME: This is an inelegant way of specifying the features of a
+/// subtarget. It would be better if we could encode this information
+/// into the IR. See <rdar://5972456>.
+///
+std::string SubtargetFeatures::getDefaultSubtargetFeatures(
+ const Triple& Triple) {
+ switch (Triple.getVendor()) {
+ case Triple::Apple:
+ switch (Triple.getArch()) {
+ case Triple::ppc: // powerpc-apple-*
+ return std::string("altivec");
+ case Triple::ppc64: // powerpc64-apple-*
+ return std::string("64bit,altivec");
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return std::string("");
+}
}
// construct LTModule, hand over ownership of module and target
- std::string FeatureStr = getFeatureString(Triple.c_str());
+ const std::string FeatureStr =
+ SubtargetFeatures::getDefaultSubtargetFeatures(llvm::Triple(Triple));
_target = march->createTargetMachine(Triple, FeatureStr);
}
return false;
#include "llvm/Module.h"
#include "llvm/ModuleProvider.h"
#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/Mangler.h"
return makeLTOModule(buffer.get(), errMsg);
}
-/// getFeatureString - Return a string listing the features associated with the
-/// target triple.
-///
-/// FIXME: This is an inelegant way of specifying the features of a
-/// subtarget. It would be better if we could encode this information into the
-/// IR. See <rdar://5972456>.
-std::string getFeatureString(const char *TargetTriple) {
- InitializeAllTargets();
-
- SubtargetFeatures Features;
-
- if (strncmp(TargetTriple, "powerpc-apple-", 14) == 0) {
- Features.AddFeature("altivec", true);
- } else if (strncmp(TargetTriple, "powerpc64-apple-", 16) == 0) {
- Features.AddFeature("64bit", true);
- Features.AddFeature("altivec", true);
- }
-
- return Features.getString();
-}
-
LTOModule* LTOModule::makeLTOModule(MemoryBuffer* buffer,
std::string& errMsg)
{
return NULL;
// construct LTModule, hand over ownership of module and target
- std::string FeatureStr = getFeatureString(Triple.c_str());
+ const std::string FeatureStr =
+ SubtargetFeatures::getDefaultSubtargetFeatures(llvm::Triple(Triple));
TargetMachine* target = march->createTargetMachine(Triple, FeatureStr);
return new LTOModule(m.take(), target);
}