diff options
Diffstat (limited to 'llvm/utils/TableGen/DecoderEmitter.cpp')
-rw-r--r-- | llvm/utils/TableGen/DecoderEmitter.cpp | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/llvm/utils/TableGen/DecoderEmitter.cpp b/llvm/utils/TableGen/DecoderEmitter.cpp index daa3062..7803509 100644 --- a/llvm/utils/TableGen/DecoderEmitter.cpp +++ b/llvm/utils/TableGen/DecoderEmitter.cpp @@ -1771,32 +1771,9 @@ void FilterChooser::doFilter() { filterProcessor(BitAttrs, /*AllowMixed=*/true, /*Greedy=*/false)) return; - // If we come to here, the instruction decoding has failed. - assert(!BestFilter); -} - -// emitTableEntries - Emit state machine entries to decode our share of -// instructions. -void FilterChooser::emitTableEntries(DecoderTableInfo &TableInfo) const { - if (Opcodes.size() == 1) { - // There is only one instruction in the set, which is great! - // Call emitSingletonDecoder() to see whether there are any remaining - // encodings bits. - emitSingletonTableEntry(TableInfo, Opcodes[0]); - return; - } - - // Choose the best filter to do the decodings! - if (BestFilter) { - if (BestFilter->getNumFiltered() == 1) - emitSingletonTableEntry(TableInfo, *BestFilter); - else - BestFilter->emitTableEntry(TableInfo); - return; - } - // We don't know how to decode these instructions! Dump the // conflict set and bail. + assert(!BestFilter); // Print out useful conflict information for postmortem analysis. errs() << "Decoding Conflict:\n"; @@ -1812,6 +1789,24 @@ void FilterChooser::emitTableEntries(DecoderTableInfo &TableInfo) const { PrintFatalError("Decoding conflict encountered"); } +// emitTableEntries - Emit state machine entries to decode our share of +// instructions. +void FilterChooser::emitTableEntries(DecoderTableInfo &TableInfo) const { + if (Opcodes.size() == 1) { + // There is only one instruction in the set, which is great! + // Call emitSingletonDecoder() to see whether there are any remaining + // encodings bits. + emitSingletonTableEntry(TableInfo, Opcodes[0]); + return; + } + + // Use the best filter to do the decoding! + if (BestFilter->getNumFiltered() == 1) + emitSingletonTableEntry(TableInfo, *BestFilter); + else + BestFilter->emitTableEntry(TableInfo); +} + static std::string findOperandDecoderMethod(const Record *Record) { std::string Decoder; |