diff options
Diffstat (limited to 'tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp')
| -rw-r--r-- | tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp | 370 |
1 files changed, 194 insertions, 176 deletions
diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp index b401a21ece9a..6d5b2b51a8b7 100644 --- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp +++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp @@ -20,7 +20,7 @@ // produces on std::out a summary of the bitcode file that shows various // statistics about the contents of the file. By default this information is // detailed and contains information about individual bitcode blocks and the -// functions in the module. +// functions in the module. // The tool is also able to print a bitcode file in a straight forward text // format that shows the containment and relationships of the information in // the bitcode file (-dump option). @@ -32,13 +32,14 @@ #include "llvm/Bitcode/LLVMBitCodes.h" #include "llvm/Bitcode/ReaderWriter.h" #include "llvm/Support/CommandLine.h" +#include "llvm/Support/Format.h" #include "llvm/Support/ManagedStatic.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/PrettyStackTrace.h" +#include "llvm/Support/raw_ostream.h" #include "llvm/System/Signals.h" +#include <cstdio> #include <map> -#include <fstream> -#include <iostream> #include <algorithm> using namespace llvm; @@ -62,7 +63,7 @@ NonSymbolic("non-symbolic", cl::desc("Emit numberic info in dump even if" " symbolic info is available")); -/// CurStreamType - If we can sniff the flavor of this stream, we can produce +/// CurStreamType - If we can sniff the flavor of this stream, we can produce /// better dump info. static enum { UnknownBitstream, @@ -80,26 +81,28 @@ static const char *GetBlockName(unsigned BlockID, return "BLOCKINFO_BLOCK"; return 0; } - + // Check to see if we have a blockinfo record for this block, with a name. if (const BitstreamReader::BlockInfo *Info = StreamFile.getBlockInfo(BlockID)) { if (!Info->Name.empty()) return Info->Name.c_str(); } - - + + if (CurStreamType != LLVMIRBitstream) return 0; - + switch (BlockID) { - default: return 0; - case bitc::MODULE_BLOCK_ID: return "MODULE_BLOCK"; - case bitc::PARAMATTR_BLOCK_ID: return "PARAMATTR_BLOCK"; - case bitc::TYPE_BLOCK_ID: return "TYPE_BLOCK"; - case bitc::CONSTANTS_BLOCK_ID: return "CONSTANTS_BLOCK"; - case bitc::FUNCTION_BLOCK_ID: return "FUNCTION_BLOCK"; - case bitc::TYPE_SYMTAB_BLOCK_ID: return "TYPE_SYMTAB"; - case bitc::VALUE_SYMTAB_BLOCK_ID: return "VALUE_SYMTAB"; + default: return 0; + case bitc::MODULE_BLOCK_ID: return "MODULE_BLOCK"; + case bitc::PARAMATTR_BLOCK_ID: return "PARAMATTR_BLOCK"; + case bitc::TYPE_BLOCK_ID: return "TYPE_BLOCK"; + case bitc::CONSTANTS_BLOCK_ID: return "CONSTANTS_BLOCK"; + case bitc::FUNCTION_BLOCK_ID: return "FUNCTION_BLOCK"; + case bitc::TYPE_SYMTAB_BLOCK_ID: return "TYPE_SYMTAB"; + case bitc::VALUE_SYMTAB_BLOCK_ID: return "VALUE_SYMTAB"; + case bitc::METADATA_BLOCK_ID: return "METADATA_BLOCK"; + case bitc::METADATA_ATTACHMENT_ID: return "METADATA_ATTACHMENT_BLOCK"; } } @@ -119,7 +122,7 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, } return 0; } - + // Check to see if we have a blockinfo record for this record, with a name. if (const BitstreamReader::BlockInfo *Info = StreamFile.getBlockInfo(BlockID)) { @@ -127,10 +130,10 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, if (Info->RecordNames[i].first == CodeID) return Info->RecordNames[i].second.c_str(); } - - + + if (CurStreamType != LLVMIRBitstream) return 0; - + switch (BlockID) { default: return 0; case bitc::MODULE_BLOCK_ID: @@ -173,67 +176,67 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, case bitc::TYPE_CODE_PPC_FP128: return "PPC_FP128"; case bitc::TYPE_CODE_METADATA: return "METADATA"; } - + case bitc::CONSTANTS_BLOCK_ID: switch (CodeID) { default: return 0; - case bitc::CST_CODE_SETTYPE: return "SETTYPE"; - case bitc::CST_CODE_NULL: return "NULL"; - case bitc::CST_CODE_UNDEF: return "UNDEF"; - case bitc::CST_CODE_INTEGER: return "INTEGER"; - case bitc::CST_CODE_WIDE_INTEGER: return "WIDE_INTEGER"; - case bitc::CST_CODE_FLOAT: return "FLOAT"; - case bitc::CST_CODE_AGGREGATE: return "AGGREGATE"; - case bitc::CST_CODE_STRING: return "STRING"; - case bitc::CST_CODE_CSTRING: return "CSTRING"; - case bitc::CST_CODE_CE_BINOP: return "CE_BINOP"; - case bitc::CST_CODE_CE_CAST: return "CE_CAST"; - case bitc::CST_CODE_CE_GEP: return "CE_GEP"; - case bitc::CST_CODE_CE_SELECT: return "CE_SELECT"; - case bitc::CST_CODE_CE_EXTRACTELT: return "CE_EXTRACTELT"; - case bitc::CST_CODE_CE_INSERTELT: return "CE_INSERTELT"; - case bitc::CST_CODE_CE_SHUFFLEVEC: return "CE_SHUFFLEVEC"; - case bitc::CST_CODE_CE_CMP: return "CE_CMP"; - case bitc::CST_CODE_INLINEASM: return "INLINEASM"; - case bitc::CST_CODE_CE_SHUFVEC_EX: return "CE_SHUFVEC_EX"; - case bitc::CST_CODE_MDSTRING: return "MDSTRING"; - case bitc::CST_CODE_MDNODE: return "MDNODE"; - } + case bitc::CST_CODE_SETTYPE: return "SETTYPE"; + case bitc::CST_CODE_NULL: return "NULL"; + case bitc::CST_CODE_UNDEF: return "UNDEF"; + case bitc::CST_CODE_INTEGER: return "INTEGER"; + case bitc::CST_CODE_WIDE_INTEGER: return "WIDE_INTEGER"; + case bitc::CST_CODE_FLOAT: return "FLOAT"; + case bitc::CST_CODE_AGGREGATE: return "AGGREGATE"; + case bitc::CST_CODE_STRING: return "STRING"; + case bitc::CST_CODE_CSTRING: return "CSTRING"; + case bitc::CST_CODE_CE_BINOP: return "CE_BINOP"; + case bitc::CST_CODE_CE_CAST: return "CE_CAST"; + case bitc::CST_CODE_CE_GEP: return "CE_GEP"; + case bitc::CST_CODE_CE_INBOUNDS_GEP: return "CE_INBOUNDS_GEP"; + case bitc::CST_CODE_CE_SELECT: return "CE_SELECT"; + case bitc::CST_CODE_CE_EXTRACTELT: return "CE_EXTRACTELT"; + case bitc::CST_CODE_CE_INSERTELT: return "CE_INSERTELT"; + case bitc::CST_CODE_CE_SHUFFLEVEC: return "CE_SHUFFLEVEC"; + case bitc::CST_CODE_CE_CMP: return "CE_CMP"; + case bitc::CST_CODE_INLINEASM: return "INLINEASM"; + case bitc::CST_CODE_CE_SHUFVEC_EX: return "CE_SHUFVEC_EX"; + } case bitc::FUNCTION_BLOCK_ID: switch (CodeID) { default: return 0; case bitc::FUNC_CODE_DECLAREBLOCKS: return "DECLAREBLOCKS"; - - case bitc::FUNC_CODE_INST_BINOP: return "INST_BINOP"; - case bitc::FUNC_CODE_INST_CAST: return "INST_CAST"; - case bitc::FUNC_CODE_INST_GEP: return "INST_GEP"; - case bitc::FUNC_CODE_INST_SELECT: return "INST_SELECT"; - case bitc::FUNC_CODE_INST_EXTRACTELT: return "INST_EXTRACTELT"; - case bitc::FUNC_CODE_INST_INSERTELT: return "INST_INSERTELT"; - case bitc::FUNC_CODE_INST_SHUFFLEVEC: return "INST_SHUFFLEVEC"; - case bitc::FUNC_CODE_INST_CMP: return "INST_CMP"; - - case bitc::FUNC_CODE_INST_RET: return "INST_RET"; - case bitc::FUNC_CODE_INST_BR: return "INST_BR"; - case bitc::FUNC_CODE_INST_SWITCH: return "INST_SWITCH"; - case bitc::FUNC_CODE_INST_INVOKE: return "INST_INVOKE"; - case bitc::FUNC_CODE_INST_UNWIND: return "INST_UNWIND"; - case bitc::FUNC_CODE_INST_UNREACHABLE: return "INST_UNREACHABLE"; - - case bitc::FUNC_CODE_INST_PHI: return "INST_PHI"; - case bitc::FUNC_CODE_INST_MALLOC: return "INST_MALLOC"; - case bitc::FUNC_CODE_INST_FREE: return "INST_FREE"; - case bitc::FUNC_CODE_INST_ALLOCA: return "INST_ALLOCA"; - case bitc::FUNC_CODE_INST_LOAD: return "INST_LOAD"; - case bitc::FUNC_CODE_INST_STORE: return "INST_STORE"; - case bitc::FUNC_CODE_INST_CALL: return "INST_CALL"; - case bitc::FUNC_CODE_INST_VAARG: return "INST_VAARG"; - case bitc::FUNC_CODE_INST_STORE2: return "INST_STORE2"; - case bitc::FUNC_CODE_INST_GETRESULT: return "INST_GETRESULT"; - case bitc::FUNC_CODE_INST_EXTRACTVAL: return "INST_EXTRACTVAL"; - case bitc::FUNC_CODE_INST_INSERTVAL: return "INST_INSERTVAL"; - case bitc::FUNC_CODE_INST_CMP2: return "INST_CMP2"; - case bitc::FUNC_CODE_INST_VSELECT: return "INST_VSELECT"; + + case bitc::FUNC_CODE_INST_BINOP: return "INST_BINOP"; + case bitc::FUNC_CODE_INST_CAST: return "INST_CAST"; + case bitc::FUNC_CODE_INST_GEP: return "INST_GEP"; + case bitc::FUNC_CODE_INST_INBOUNDS_GEP: return "INST_INBOUNDS_GEP"; + case bitc::FUNC_CODE_INST_SELECT: return "INST_SELECT"; + case bitc::FUNC_CODE_INST_EXTRACTELT: return "INST_EXTRACTELT"; + case bitc::FUNC_CODE_INST_INSERTELT: return "INST_INSERTELT"; + case bitc::FUNC_CODE_INST_SHUFFLEVEC: return "INST_SHUFFLEVEC"; + case bitc::FUNC_CODE_INST_CMP: return "INST_CMP"; + + case bitc::FUNC_CODE_INST_RET: return "INST_RET"; + case bitc::FUNC_CODE_INST_BR: return "INST_BR"; + case bitc::FUNC_CODE_INST_SWITCH: return "INST_SWITCH"; + case bitc::FUNC_CODE_INST_INVOKE: return "INST_INVOKE"; + case bitc::FUNC_CODE_INST_UNWIND: return "INST_UNWIND"; + case bitc::FUNC_CODE_INST_UNREACHABLE: return "INST_UNREACHABLE"; + + case bitc::FUNC_CODE_INST_PHI: return "INST_PHI"; + case bitc::FUNC_CODE_INST_MALLOC: return "INST_MALLOC"; + case bitc::FUNC_CODE_INST_FREE: return "INST_FREE"; + case bitc::FUNC_CODE_INST_ALLOCA: return "INST_ALLOCA"; + case bitc::FUNC_CODE_INST_LOAD: return "INST_LOAD"; + case bitc::FUNC_CODE_INST_STORE: return "INST_STORE"; + case bitc::FUNC_CODE_INST_CALL: return "INST_CALL"; + case bitc::FUNC_CODE_INST_VAARG: return "INST_VAARG"; + case bitc::FUNC_CODE_INST_STORE2: return "INST_STORE2"; + case bitc::FUNC_CODE_INST_GETRESULT: return "INST_GETRESULT"; + case bitc::FUNC_CODE_INST_EXTRACTVAL: return "INST_EXTRACTVAL"; + case bitc::FUNC_CODE_INST_INSERTVAL: return "INST_INSERTVAL"; + case bitc::FUNC_CODE_INST_CMP2: return "INST_CMP2"; + case bitc::FUNC_CODE_INST_VSELECT: return "INST_VSELECT"; } case bitc::TYPE_SYMTAB_BLOCK_ID: switch (CodeID) { @@ -246,6 +249,20 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, case bitc::VST_CODE_ENTRY: return "ENTRY"; case bitc::VST_CODE_BBENTRY: return "BBENTRY"; } + case bitc::METADATA_ATTACHMENT_ID: + switch(CodeID) { + default:return 0; + case bitc::METADATA_ATTACHMENT: return "METADATA_ATTACHMENT"; + } + case bitc::METADATA_BLOCK_ID: + switch(CodeID) { + default:return 0; + case bitc::METADATA_STRING: return "MDSTRING"; + case bitc::METADATA_NODE: return "MDNODE"; + case bitc::METADATA_NAME: return "METADATA_NAME"; + case bitc::METADATA_NAMED_NODE: return "NAMEDMDNODE"; + case bitc::METADATA_KIND: return "METADATA_KIND"; + } } } @@ -253,30 +270,30 @@ struct PerRecordStats { unsigned NumInstances; unsigned NumAbbrev; uint64_t TotalBits; - + PerRecordStats() : NumInstances(0), NumAbbrev(0), TotalBits(0) {} }; struct PerBlockIDStats { /// NumInstances - This the number of times this block ID has been seen. unsigned NumInstances; - + /// NumBits - The total size in bits of all of these blocks. uint64_t NumBits; - + /// NumSubBlocks - The total number of blocks these blocks contain. unsigned NumSubBlocks; - + /// NumAbbrevs - The total number of abbreviations. unsigned NumAbbrevs; - - /// NumRecords - The total number of records these blocks contain, and the + + /// NumRecords - The total number of records these blocks contain, and the /// number that are abbreviated. unsigned NumRecords, NumAbbreviatedRecords; - + /// CodeFreq - Keep track of the number of times we see each code. std::vector<PerRecordStats> CodeFreq; - + PerBlockIDStats() : NumInstances(0), NumBits(0), NumSubBlocks(0), NumAbbrevs(0), NumRecords(0), NumAbbreviatedRecords(0) {} @@ -289,7 +306,7 @@ static std::map<unsigned, PerBlockIDStats> BlockIDStats; /// Error - All bitcode analysis errors go through this function, making this a /// good place to breakpoint if debugging. static bool Error(const std::string &Err) { - std::cerr << Err << "\n"; + errs() << Err << "\n"; return true; } @@ -301,38 +318,38 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { // Get the statistics for this BlockID. PerBlockIDStats &BlockStats = BlockIDStats[BlockID]; - + BlockStats.NumInstances++; - + // BLOCKINFO is a special part of the stream. if (BlockID == bitc::BLOCKINFO_BLOCK_ID) { - if (Dump) std::cerr << Indent << "<BLOCKINFO_BLOCK/>\n"; + if (Dump) errs() << Indent << "<BLOCKINFO_BLOCK/>\n"; if (Stream.ReadBlockInfoBlock()) return Error("Malformed BlockInfoBlock"); uint64_t BlockBitEnd = Stream.GetCurrentBitNo(); BlockStats.NumBits += BlockBitEnd-BlockBitStart; return false; } - + unsigned NumWords = 0; if (Stream.EnterSubBlock(BlockID, &NumWords)) return Error("Malformed block record"); const char *BlockName = 0; if (Dump) { - std::cerr << Indent << "<"; + errs() << Indent << "<"; if ((BlockName = GetBlockName(BlockID, *Stream.getBitStreamReader()))) - std::cerr << BlockName; + errs() << BlockName; else - std::cerr << "UnknownBlock" << BlockID; - + errs() << "UnknownBlock" << BlockID; + if (NonSymbolic && BlockName) - std::cerr << " BlockID=" << BlockID; - - std::cerr << " NumWords=" << NumWords - << " BlockCodeSize=" << Stream.GetAbbrevIDWidth() << ">\n"; + errs() << " BlockID=" << BlockID; + + errs() << " NumWords=" << NumWords + << " BlockCodeSize=" << Stream.GetAbbrevIDWidth() << ">\n"; } - + SmallVector<uint64_t, 64> Record; // Read all the records for this block. @@ -341,7 +358,7 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { return Error("Premature end of bitstream"); uint64_t RecordStartBit = Stream.GetCurrentBitNo(); - + // Read the code for this record. unsigned AbbrevID = Stream.ReadCode(); switch (AbbrevID) { @@ -351,21 +368,21 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { uint64_t BlockBitEnd = Stream.GetCurrentBitNo(); BlockStats.NumBits += BlockBitEnd-BlockBitStart; if (Dump) { - std::cerr << Indent << "</"; + errs() << Indent << "</"; if (BlockName) - std::cerr << BlockName << ">\n"; + errs() << BlockName << ">\n"; else - std::cerr << "UnknownBlock" << BlockID << ">\n"; + errs() << "UnknownBlock" << BlockID << ">\n"; } return false; - } + } case bitc::ENTER_SUBBLOCK: { uint64_t SubBlockBitStart = Stream.GetCurrentBitNo(); if (ParseBlock(Stream, IndentLevel+1)) return true; ++BlockStats.NumSubBlocks; uint64_t SubBlockBitEnd = Stream.GetCurrentBitNo(); - + // Don't include subblock sizes in the size of this block. BlockBitStart += SubBlockBitEnd-SubBlockBitStart; break; @@ -380,13 +397,13 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { ++BlockStats.NumRecords; if (AbbrevID != bitc::UNABBREV_RECORD) ++BlockStats.NumAbbreviatedRecords; - + const char *BlobStart = 0; unsigned BlobLen = 0; unsigned Code = Stream.ReadRecord(AbbrevID, Record, BlobStart, BlobLen); - - + + // Increment the # occurrences of this code. if (BlockStats.CodeFreq.size() <= Code) BlockStats.CodeFreq.resize(Code+1); @@ -395,43 +412,43 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { Stream.GetCurrentBitNo()-RecordStartBit; if (AbbrevID != bitc::UNABBREV_RECORD) BlockStats.CodeFreq[Code].NumAbbrev++; - + if (Dump) { - std::cerr << Indent << " <"; + errs() << Indent << " <"; if (const char *CodeName = GetCodeName(Code, BlockID, *Stream.getBitStreamReader())) - std::cerr << CodeName; + errs() << CodeName; else - std::cerr << "UnknownCode" << Code; + errs() << "UnknownCode" << Code; if (NonSymbolic && GetCodeName(Code, BlockID, *Stream.getBitStreamReader())) - std::cerr << " codeid=" << Code; + errs() << " codeid=" << Code; if (AbbrevID != bitc::UNABBREV_RECORD) - std::cerr << " abbrevid=" << AbbrevID; + errs() << " abbrevid=" << AbbrevID; for (unsigned i = 0, e = Record.size(); i != e; ++i) - std::cerr << " op" << i << "=" << (int64_t)Record[i]; - - std::cerr << "/>"; - + errs() << " op" << i << "=" << (int64_t)Record[i]; + + errs() << "/>"; + if (BlobStart) { - std::cerr << " blob data = "; + errs() << " blob data = "; bool BlobIsPrintable = true; for (unsigned i = 0; i != BlobLen; ++i) if (!isprint(BlobStart[i])) { BlobIsPrintable = false; break; } - + if (BlobIsPrintable) - std::cerr << "'" << std::string(BlobStart, BlobStart+BlobLen) <<"'"; + errs() << "'" << std::string(BlobStart, BlobStart+BlobLen) <<"'"; else - std::cerr << "unprintable, " << BlobLen << " bytes."; + errs() << "unprintable, " << BlobLen << " bytes."; } - - std::cerr << "\n"; + + errs() << "\n"; } - + break; } } @@ -453,23 +470,23 @@ static int AnalyzeBitcode() { if (MemBuf == 0) return Error("Error reading '" + InputFilename + "'."); - + if (MemBuf->getBufferSize() & 3) return Error("Bitcode stream should be a multiple of 4 bytes in length"); - + unsigned char *BufPtr = (unsigned char *)MemBuf->getBufferStart(); unsigned char *EndBufPtr = BufPtr+MemBuf->getBufferSize(); - + // If we have a wrapper header, parse it and ignore the non-bc file contents. // The magic number is 0x0B17C0DE stored in little endian. if (isBitcodeWrapper(BufPtr, EndBufPtr)) if (SkipBitcodeWrapperHeader(BufPtr, EndBufPtr)) return Error("Invalid bitcode wrapper header"); - + BitstreamReader StreamFile(BufPtr, EndBufPtr); BitstreamCursor Stream(StreamFile); StreamFile.CollectBlockInfoNames(); - + // Read the stream signature. char Signature[6]; Signature[0] = Stream.Read(8); @@ -478,7 +495,7 @@ static int AnalyzeBitcode() { Signature[3] = Stream.Read(4); Signature[4] = Stream.Read(4); Signature[5] = Stream.Read(4); - + // Autodetect the file contents, if it is one we know. CurStreamType = UnknownBitstream; if (Signature[0] == 'B' && Signature[1] == 'C' && @@ -487,71 +504,72 @@ static int AnalyzeBitcode() { CurStreamType = LLVMIRBitstream; unsigned NumTopBlocks = 0; - + // Parse the top-level structure. We only allow blocks at the top-level. while (!Stream.AtEndOfStream()) { unsigned Code = Stream.ReadCode(); if (Code != bitc::ENTER_SUBBLOCK) return Error("Invalid record at top-level"); - + if (ParseBlock(Stream, 0)) return true; ++NumTopBlocks; } - - if (Dump) std::cerr << "\n\n"; - + + if (Dump) errs() << "\n\n"; + uint64_t BufferSizeBits = (EndBufPtr-BufPtr)*CHAR_BIT; // Print a summary of the read file. - std::cerr << "Summary of " << InputFilename << ":\n"; - std::cerr << " Total size: "; + errs() << "Summary of " << InputFilename << ":\n"; + errs() << " Total size: "; PrintSize(BufferSizeBits); - std::cerr << "\n"; - std::cerr << " Stream type: "; + errs() << "\n"; + errs() << " Stream type: "; switch (CurStreamType) { default: assert(0 && "Unknown bitstream type"); - case UnknownBitstream: std::cerr << "unknown\n"; break; - case LLVMIRBitstream: std::cerr << "LLVM IR\n"; break; + case UnknownBitstream: errs() << "unknown\n"; break; + case LLVMIRBitstream: errs() << "LLVM IR\n"; break; } - std::cerr << " # Toplevel Blocks: " << NumTopBlocks << "\n"; - std::cerr << "\n"; + errs() << " # Toplevel Blocks: " << NumTopBlocks << "\n"; + errs() << "\n"; // Emit per-block stats. - std::cerr << "Per-block Summary:\n"; + errs() << "Per-block Summary:\n"; for (std::map<unsigned, PerBlockIDStats>::iterator I = BlockIDStats.begin(), E = BlockIDStats.end(); I != E; ++I) { - std::cerr << " Block ID #" << I->first; + errs() << " Block ID #" << I->first; if (const char *BlockName = GetBlockName(I->first, StreamFile)) - std::cerr << " (" << BlockName << ")"; - std::cerr << ":\n"; - + errs() << " (" << BlockName << ")"; + errs() << ":\n"; + const PerBlockIDStats &Stats = I->second; - std::cerr << " Num Instances: " << Stats.NumInstances << "\n"; - std::cerr << " Total Size: "; + errs() << " Num Instances: " << Stats.NumInstances << "\n"; + errs() << " Total Size: "; PrintSize(Stats.NumBits); - std::cerr << "\n"; - std::cerr << " % of file: " - << Stats.NumBits/(double)BufferSizeBits*100 << "\n"; + errs() << "\n"; + double pct = (Stats.NumBits * 100.0) / BufferSizeBits; + errs() << " Percent of file: " << format("%2.4f%%", pct) << "\n"; if (Stats.NumInstances > 1) { - std::cerr << " Average Size: "; + errs() << " Average Size: "; PrintSize(Stats.NumBits/(double)Stats.NumInstances); - std::cerr << "\n"; - std::cerr << " Tot/Avg SubBlocks: " << Stats.NumSubBlocks << "/" - << Stats.NumSubBlocks/(double)Stats.NumInstances << "\n"; - std::cerr << " Tot/Avg Abbrevs: " << Stats.NumAbbrevs << "/" - << Stats.NumAbbrevs/(double)Stats.NumInstances << "\n"; - std::cerr << " Tot/Avg Records: " << Stats.NumRecords << "/" - << Stats.NumRecords/(double)Stats.NumInstances << "\n"; + errs() << "\n"; + errs() << " Tot/Avg SubBlocks: " << Stats.NumSubBlocks << "/" + << Stats.NumSubBlocks/(double)Stats.NumInstances << "\n"; + errs() << " Tot/Avg Abbrevs: " << Stats.NumAbbrevs << "/" + << Stats.NumAbbrevs/(double)Stats.NumInstances << "\n"; + errs() << " Tot/Avg Records: " << Stats.NumRecords << "/" + << Stats.NumRecords/(double)Stats.NumInstances << "\n"; } else { - std::cerr << " Num SubBlocks: " << Stats.NumSubBlocks << "\n"; - std::cerr << " Num Abbrevs: " << Stats.NumAbbrevs << "\n"; - std::cerr << " Num Records: " << Stats.NumRecords << "\n"; + errs() << " Num SubBlocks: " << Stats.NumSubBlocks << "\n"; + errs() << " Num Abbrevs: " << Stats.NumAbbrevs << "\n"; + errs() << " Num Records: " << Stats.NumRecords << "\n"; + } + if (Stats.NumRecords) { + double pct = (Stats.NumAbbreviatedRecords * 100.0) / Stats.NumRecords; + errs() << " Percent Abbrevs: " << format("%2.4f%%", pct) << "\n"; } - if (Stats.NumRecords) - std::cerr << " % Abbrev Recs: " << (Stats.NumAbbreviatedRecords/ - (double)Stats.NumRecords)*100 << "\n"; - std::cerr << "\n"; - + errs() << "\n"; + // Print a histogram of the codes we see. if (!NoHistogram && !Stats.CodeFreq.empty()) { std::vector<std::pair<unsigned, unsigned> > FreqPairs; // <freq,code> @@ -560,29 +578,29 @@ static int AnalyzeBitcode() { FreqPairs.push_back(std::make_pair(Freq, i)); std::stable_sort(FreqPairs.begin(), FreqPairs.end()); std::reverse(FreqPairs.begin(), FreqPairs.end()); - - std::cerr << "\tRecord Histogram:\n"; + + errs() << "\tRecord Histogram:\n"; fprintf(stderr, "\t\t Count # Bits %% Abv Record Kind\n"); for (unsigned i = 0, e = FreqPairs.size(); i != e; ++i) { const PerRecordStats &RecStats = Stats.CodeFreq[FreqPairs[i].second]; - + fprintf(stderr, "\t\t%7d %9llu ", RecStats.NumInstances, (unsigned long long)RecStats.TotalBits); - + if (RecStats.NumAbbrev) fprintf(stderr, "%7.2f ", (double)RecStats.NumAbbrev/RecStats.NumInstances*100); else fprintf(stderr, " "); - - if (const char *CodeName = + + if (const char *CodeName = GetCodeName(FreqPairs[i].second, I->first, StreamFile)) fprintf(stderr, "%s\n", CodeName); else fprintf(stderr, "UnknownCode%d\n", FreqPairs[i].second); } - std::cerr << "\n"; - + errs() << "\n"; + } } return 0; @@ -595,6 +613,6 @@ int main(int argc, char **argv) { PrettyStackTraceProgram X(argc, argv); llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. cl::ParseCommandLineOptions(argc, argv, "llvm-bcanalyzer file analyzer\n"); - + return AnalyzeBitcode(); } |