//
//===----------------------------------------------------------------------===//
+#include "llvm/ADT/SmallSet.h"
#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
}
}
+// This needs to be shared between the instantiations of Find<>
+typedef std::pair<std::string,std::string> KeyWithType;
+static SmallSet<KeyWithType,10> reportedAsUnrecognized;
+
/// Find KV in array using binary search.
-static const SubtargetFeatureKV *Find(StringRef S, const SubtargetFeatureKV *A,
- size_t L) {
+template<typename T>
+const T *SubtargetFeatures::Find(StringRef Key, const T *Array, size_t Length,
+ const char* KeyType) {
// Determine the end of the array
- const SubtargetFeatureKV *Hi = A + L;
+ const T *Hi = Array + Length;
// Binary search the array
- const SubtargetFeatureKV *F = std::lower_bound(A, Hi, S);
+ const T *F = std::lower_bound(Array, Hi, Key);
// If not found then return NULL
- if (F == Hi || StringRef(F->Key) != S) return NULL;
+ if (F == Hi || StringRef(F->Key) != Key) {
+ // If not yet reported, report now
+ KeyWithType current(KeyType, Key);
+ if(!reportedAsUnrecognized.count(current)) {
+ SmallString<1024> storage;
+ StringRef message = ("'" + Key +
+ "' is not a recognized " + KeyType +
+ " for this target (ignoring " + KeyType +
+ ")").toStringRef(storage);
+ SMDiagnostic(StringRef(), SourceMgr::DK_Warning, message)
+ .print(0, errs());
+ reportedAsUnrecognized.insert(current);
+ }
+ return NULL;
+ }
// Return the found array item
return F;
}
+// Instantiate with <SubtargetInfoKV> for use in MCSubtargetInfo
+template const SubtargetInfoKV *SubtargetFeatures::Find<SubtargetInfoKV>
+ (StringRef Key, const SubtargetInfoKV *Array, size_t Length, const char* KeyType);
+
/// getLongestEntryLength - Return the length of the longest entry in the table.
///
static size_t getLongestEntryLength(const SubtargetFeatureKV *Table,
size_t FeatureTableSize) {
// Find feature in table.
const SubtargetFeatureKV *FeatureEntry =
- Find(StripFlag(Feature), FeatureTable, FeatureTableSize);
+ Find(StripFlag(Feature), FeatureTable, FeatureTableSize, "feature");
// If there is a match
if (FeatureEntry) {
if ((Bits & FeatureEntry->Value) == FeatureEntry->Value) {
// For each feature that this implies, set it.
SetImpliedBits(Bits, FeatureEntry, FeatureTable, FeatureTableSize);
}
- } else {
- errs() << "'" << Feature
- << "' is not a recognized feature for this target"
- << " (ignoring feature)\n";
}
return Bits;
// Find CPU entry if CPU name is specified.
if (!CPU.empty()) {
- const SubtargetFeatureKV *CPUEntry = Find(CPU, CPUTable, CPUTableSize);
+ const SubtargetFeatureKV *CPUEntry = Find(CPU, CPUTable, CPUTableSize,
+ "processor");
// If there is a match
if (CPUEntry) {
// Set base feature bits
if (CPUEntry->Value & FE.Value)
SetImpliedBits(Bits, &FE, FeatureTable, FeatureTableSize);
}
- } else {
- errs() << "'" << CPU
- << "' is not a recognized processor for this target"
- << " (ignoring processor)\n";
}
}
// Find feature in table.
const SubtargetFeatureKV *FeatureEntry =
- Find(StripFlag(Feature), FeatureTable, FeatureTableSize);
+ Find(StripFlag(Feature), FeatureTable, FeatureTableSize, "feature");
// If there is a match
if (FeatureEntry) {
// Enable/disable feature in bits
// For each feature that implies this, clear it.
ClearImpliedBits(Bits, FeatureEntry, FeatureTable, FeatureTableSize);
}
- } else {
- errs() << "'" << Feature
- << "' is not a recognized feature for this target"
- << " (ignoring feature)\n";
}
}