X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=tools%2Fllvm-bcanalyzer%2Fllvm-bcanalyzer.cpp;h=46b687e1c2b346a1afe4c1a738836db18d0ebd32;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=3ab5fc3ed8a88a2b2f2f5e82d0ebc619a5e57f62;hpb=0cad4e3f0bf6664d5f1b4bb92c1bbe03c4c89ef8;p=oota-llvm.git diff --git a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp index 3ab5fc3ed8a..46b687e1c2b 100644 --- a/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp +++ b/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp @@ -20,34 +20,33 @@ // 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). // //===----------------------------------------------------------------------===// +#include "llvm/ADT/OwningPtr.h" #include "llvm/Analysis/Verifier.h" #include "llvm/Bitcode/BitstreamReader.h" #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/Signals.h" #include "llvm/Support/raw_ostream.h" -#include "llvm/System/Signals.h" -#include -#include +#include "llvm/Support/system_error.h" #include +#include using namespace llvm; static cl::opt InputFilename(cl::Positional, cl::desc(""), cl::init("-")); -static cl::opt - OutputFilename("-o", cl::init("-"), cl::desc("")); - static cl::opt Dump("dump", cl::desc("Dump low level bitcode trace")); //===----------------------------------------------------------------------===// @@ -59,15 +58,22 @@ static cl::opt NoHistogram("disable-histogram", static cl::opt NonSymbolic("non-symbolic", - cl::desc("Emit numberic info in dump even if" + cl::desc("Emit numeric info in dump even if" " symbolic info is available")); -/// CurStreamType - If we can sniff the flavor of this stream, we can produce -/// better dump info. -static enum { +namespace { + +/// CurStreamTypeType - A type for CurStreamType +enum CurStreamTypeType { UnknownBitstream, LLVMIRBitstream -} CurStreamType; +}; + +} + +/// CurStreamType - If we can sniff the flavor of this stream, we can produce +/// better dump info. +static CurStreamTypeType CurStreamType; /// GetBlockName - Return a symbolic block name if known, otherwise return @@ -80,28 +86,28 @@ 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::TYPE_BLOCK_ID_NEW: return "TYPE_BLOCK_ID"; 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"; + case bitc::USELIST_BLOCK_ID: return "USELIST_BLOCK_ID"; } } @@ -121,7 +127,7 @@ 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)) { @@ -129,10 +135,10 @@ 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: @@ -143,7 +149,7 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, case bitc::MODULE_CODE_DATALAYOUT: return "DATALAYOUT"; case bitc::MODULE_CODE_ASM: return "ASM"; case bitc::MODULE_CODE_SECTIONNAME: return "SECTIONNAME"; - case bitc::MODULE_CODE_DEPLIB: return "DEPLIB"; + case bitc::MODULE_CODE_DEPLIB: return "DEPLIB"; // FIXME: Remove in 4.0 case bitc::MODULE_CODE_GLOBALVAR: return "GLOBALVAR"; case bitc::MODULE_CODE_FUNCTION: return "FUNCTION"; case bitc::MODULE_CODE_ALIAS: return "ALIAS"; @@ -155,27 +161,29 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, default: return 0; case bitc::PARAMATTR_CODE_ENTRY: return "ENTRY"; } - case bitc::TYPE_BLOCK_ID: + case bitc::TYPE_BLOCK_ID_NEW: switch (CodeID) { default: return 0; - case bitc::TYPE_CODE_NUMENTRY: return "NUMENTRY"; - case bitc::TYPE_CODE_VOID: return "VOID"; - case bitc::TYPE_CODE_FLOAT: return "FLOAT"; - case bitc::TYPE_CODE_DOUBLE: return "DOUBLE"; - case bitc::TYPE_CODE_LABEL: return "LABEL"; - case bitc::TYPE_CODE_OPAQUE: return "OPAQUE"; - case bitc::TYPE_CODE_INTEGER: return "INTEGER"; - case bitc::TYPE_CODE_POINTER: return "POINTER"; - case bitc::TYPE_CODE_FUNCTION: return "FUNCTION"; - case bitc::TYPE_CODE_STRUCT: return "STRUCT"; - case bitc::TYPE_CODE_ARRAY: return "ARRAY"; - case bitc::TYPE_CODE_VECTOR: return "VECTOR"; - case bitc::TYPE_CODE_X86_FP80: return "X86_FP80"; - case bitc::TYPE_CODE_FP128: return "FP128"; - case bitc::TYPE_CODE_PPC_FP128: return "PPC_FP128"; - case bitc::TYPE_CODE_METADATA: return "METADATA"; + case bitc::TYPE_CODE_NUMENTRY: return "NUMENTRY"; + case bitc::TYPE_CODE_VOID: return "VOID"; + case bitc::TYPE_CODE_FLOAT: return "FLOAT"; + case bitc::TYPE_CODE_DOUBLE: return "DOUBLE"; + case bitc::TYPE_CODE_LABEL: return "LABEL"; + case bitc::TYPE_CODE_OPAQUE: return "OPAQUE"; + case bitc::TYPE_CODE_INTEGER: return "INTEGER"; + case bitc::TYPE_CODE_POINTER: return "POINTER"; + case bitc::TYPE_CODE_ARRAY: return "ARRAY"; + case bitc::TYPE_CODE_VECTOR: return "VECTOR"; + case bitc::TYPE_CODE_X86_FP80: return "X86_FP80"; + case bitc::TYPE_CODE_FP128: return "FP128"; + case bitc::TYPE_CODE_PPC_FP128: return "PPC_FP128"; + case bitc::TYPE_CODE_METADATA: return "METADATA"; + case bitc::TYPE_CODE_STRUCT_ANON: return "STRUCT_ANON"; + case bitc::TYPE_CODE_STRUCT_NAME: return "STRUCT_NAME"; + case bitc::TYPE_CODE_STRUCT_NAMED: return "STRUCT_NAMED"; + case bitc::TYPE_CODE_FUNCTION: return "FUNCTION"; } - + case bitc::CONSTANTS_BLOCK_ID: switch (CodeID) { default: return 0; @@ -199,12 +207,14 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, 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_BLOCKADDRESS: return "CST_CODE_BLOCKADDRESS"; + case bitc::CST_CODE_DATA: return "DATA"; + } 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"; @@ -214,33 +224,25 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, 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_STORE: return "INST_STORE"; 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) { - default: return 0; - case bitc::TST_CODE_ENTRY: return "ENTRY"; + case bitc::FUNC_CODE_DEBUG_LOC_AGAIN: return "DEBUG_LOC_AGAIN"; + case bitc::FUNC_CODE_INST_CALL: return "INST_CALL"; + case bitc::FUNC_CODE_DEBUG_LOC: return "DEBUG_LOC"; } case bitc::VALUE_SYMTAB_BLOCK_ID: switch (CodeID) { @@ -251,16 +253,22 @@ static const char *GetCodeName(unsigned CodeID, unsigned BlockID, case bitc::METADATA_ATTACHMENT_ID: switch(CodeID) { default:return 0; - case bitc::METADATA_ATTACHMENT: return "METADATA_ATTACHMENT"; + 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_STRING: return "METADATA_STRING"; case bitc::METADATA_NAME: return "METADATA_NAME"; - case bitc::METADATA_NAMED_NODE: return "NAMEDMDNODE"; case bitc::METADATA_KIND: return "METADATA_KIND"; + case bitc::METADATA_NODE: return "METADATA_NODE"; + case bitc::METADATA_FN_NODE: return "METADATA_FN_NODE"; + case bitc::METADATA_NAMED_NODE: return "METADATA_NAMED_NODE"; + } + case bitc::USELIST_BLOCK_ID: + switch(CodeID) { + default:return 0; + case bitc::USELIST_CODE_ENTRY: return "USELIST_CODE_ENTRY"; } } } @@ -269,30 +277,30 @@ 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 CodeFreq; - + PerBlockIDStats() : NumInstances(0), NumBits(0), NumSubBlocks(0), NumAbbrevs(0), NumRecords(0), NumAbbreviatedRecords(0) {} @@ -317,38 +325,38 @@ 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) errs() << Indent << "\n"; + if (Dump) outs() << Indent << "\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) { - errs() << Indent << "<"; + outs() << Indent << "<"; if ((BlockName = GetBlockName(BlockID, *Stream.getBitStreamReader()))) - errs() << BlockName; + outs() << BlockName; else - errs() << "UnknownBlock" << BlockID; - + outs() << "UnknownBlock" << BlockID; + if (NonSymbolic && BlockName) - errs() << " BlockID=" << BlockID; - - errs() << " NumWords=" << NumWords + outs() << " BlockID=" << BlockID; + + outs() << " NumWords=" << NumWords << " BlockCodeSize=" << Stream.GetAbbrevIDWidth() << ">\n"; } - + SmallVector Record; // Read all the records for this block. @@ -357,7 +365,7 @@ 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) { @@ -367,21 +375,21 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { uint64_t BlockBitEnd = Stream.GetCurrentBitNo(); BlockStats.NumBits += BlockBitEnd-BlockBitStart; if (Dump) { - errs() << Indent << "\n"; + outs() << BlockName << ">\n"; else - errs() << "UnknownBlock" << BlockID << ">\n"; + outs() << "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; @@ -396,13 +404,13 @@ 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); @@ -411,81 +419,82 @@ static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) { Stream.GetCurrentBitNo()-RecordStartBit; if (AbbrevID != bitc::UNABBREV_RECORD) BlockStats.CodeFreq[Code].NumAbbrev++; - + if (Dump) { - errs() << Indent << " <"; + outs() << Indent << " <"; if (const char *CodeName = GetCodeName(Code, BlockID, *Stream.getBitStreamReader())) - errs() << CodeName; + outs() << CodeName; else - errs() << "UnknownCode" << Code; + outs() << "UnknownCode" << Code; if (NonSymbolic && GetCodeName(Code, BlockID, *Stream.getBitStreamReader())) - errs() << " codeid=" << Code; + outs() << " codeid=" << Code; if (AbbrevID != bitc::UNABBREV_RECORD) - errs() << " abbrevid=" << AbbrevID; + outs() << " abbrevid=" << AbbrevID; for (unsigned i = 0, e = Record.size(); i != e; ++i) - errs() << " op" << i << "=" << (int64_t)Record[i]; - - errs() << "/>"; - + outs() << " op" << i << "=" << (int64_t)Record[i]; + + outs() << "/>"; + if (BlobStart) { - errs() << " blob data = "; + outs() << " blob data = "; bool BlobIsPrintable = true; for (unsigned i = 0; i != BlobLen; ++i) if (!isprint(BlobStart[i])) { BlobIsPrintable = false; break; } - + if (BlobIsPrintable) - errs() << "'" << std::string(BlobStart, BlobStart+BlobLen) <<"'"; + outs() << "'" << std::string(BlobStart, BlobStart+BlobLen) <<"'"; else - errs() << "unprintable, " << BlobLen << " bytes."; + outs() << "unprintable, " << BlobLen << " bytes."; } - - errs() << "\n"; + + outs() << "\n"; } - + break; } } } static void PrintSize(double Bits) { - fprintf(stderr, "%.2f/%.2fB/%lluW", Bits, Bits/8,(unsigned long long)Bits/32); + outs() << format("%.2f/%.2fB/%luW", Bits, Bits/8,(unsigned long)(Bits/32)); } static void PrintSize(uint64_t Bits) { - fprintf(stderr, "%llub/%.2fB/%lluW", (unsigned long long)Bits, - (double)Bits/8, (unsigned long long)Bits/32); + outs() << format("%lub/%.2fB/%luW", (unsigned long)Bits, + (double)Bits/8, (unsigned long)(Bits/32)); } /// AnalyzeBitcode - Analyze the bitcode file specified by InputFilename. static int AnalyzeBitcode() { // Read the input file. - MemoryBuffer *MemBuf = MemoryBuffer::getFileOrSTDIN(InputFilename.c_str()); + OwningPtr MemBuf; + + if (error_code ec = + MemoryBuffer::getFileOrSTDIN(InputFilename.c_str(), MemBuf)) + return Error("Error reading '" + InputFilename + "': " + ec.message()); - 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(); - + + const unsigned char *BufPtr = (const unsigned char *)MemBuf->getBufferStart(); + const 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)) + if (SkipBitcodeWrapperHeader(BufPtr, EndBufPtr, true)) 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); @@ -494,7 +503,7 @@ 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' && @@ -503,71 +512,71 @@ 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) errs() << "\n\n"; - + + if (Dump) outs() << "\n\n"; + uint64_t BufferSizeBits = (EndBufPtr-BufPtr)*CHAR_BIT; // Print a summary of the read file. - errs() << "Summary of " << InputFilename << ":\n"; - errs() << " Total size: "; + outs() << "Summary of " << InputFilename << ":\n"; + outs() << " Total size: "; PrintSize(BufferSizeBits); - errs() << "\n"; - errs() << " Stream type: "; + outs() << "\n"; + outs() << " Stream type: "; switch (CurStreamType) { - default: assert(0 && "Unknown bitstream type"); - case UnknownBitstream: errs() << "unknown\n"; break; - case LLVMIRBitstream: errs() << "LLVM IR\n"; break; + case UnknownBitstream: outs() << "unknown\n"; break; + case LLVMIRBitstream: outs() << "LLVM IR\n"; break; } - errs() << " # Toplevel Blocks: " << NumTopBlocks << "\n"; - errs() << "\n"; + outs() << " # Toplevel Blocks: " << NumTopBlocks << "\n"; + outs() << "\n"; // Emit per-block stats. - errs() << "Per-block Summary:\n"; + outs() << "Per-block Summary:\n"; for (std::map::iterator I = BlockIDStats.begin(), E = BlockIDStats.end(); I != E; ++I) { - errs() << " Block ID #" << I->first; + outs() << " Block ID #" << I->first; if (const char *BlockName = GetBlockName(I->first, StreamFile)) - errs() << " (" << BlockName << ")"; - errs() << ":\n"; - + outs() << " (" << BlockName << ")"; + outs() << ":\n"; + const PerBlockIDStats &Stats = I->second; - errs() << " Num Instances: " << Stats.NumInstances << "\n"; - errs() << " Total Size: "; + outs() << " Num Instances: " << Stats.NumInstances << "\n"; + outs() << " Total Size: "; PrintSize(Stats.NumBits); - errs() << "\n"; - errs() << " % of file: " - << Stats.NumBits/(double)BufferSizeBits*100 << "\n"; + outs() << "\n"; + double pct = (Stats.NumBits * 100.0) / BufferSizeBits; + outs() << " Percent of file: " << format("%2.4f%%", pct) << "\n"; if (Stats.NumInstances > 1) { - errs() << " Average Size: "; + outs() << " Average Size: "; PrintSize(Stats.NumBits/(double)Stats.NumInstances); - errs() << "\n"; - errs() << " Tot/Avg SubBlocks: " << Stats.NumSubBlocks << "/" + outs() << "\n"; + outs() << " Tot/Avg SubBlocks: " << Stats.NumSubBlocks << "/" << Stats.NumSubBlocks/(double)Stats.NumInstances << "\n"; - errs() << " Tot/Avg Abbrevs: " << Stats.NumAbbrevs << "/" + outs() << " Tot/Avg Abbrevs: " << Stats.NumAbbrevs << "/" << Stats.NumAbbrevs/(double)Stats.NumInstances << "\n"; - errs() << " Tot/Avg Records: " << Stats.NumRecords << "/" + outs() << " Tot/Avg Records: " << Stats.NumRecords << "/" << Stats.NumRecords/(double)Stats.NumInstances << "\n"; } else { - errs() << " Num SubBlocks: " << Stats.NumSubBlocks << "\n"; - errs() << " Num Abbrevs: " << Stats.NumAbbrevs << "\n"; - errs() << " Num Records: " << Stats.NumRecords << "\n"; + outs() << " Num SubBlocks: " << Stats.NumSubBlocks << "\n"; + outs() << " Num Abbrevs: " << Stats.NumAbbrevs << "\n"; + outs() << " Num Records: " << Stats.NumRecords << "\n"; } - if (Stats.NumRecords) - errs() << " % Abbrev Recs: " << (Stats.NumAbbreviatedRecords/ - (double)Stats.NumRecords)*100 << "\n"; - errs() << "\n"; - + if (Stats.NumRecords) { + double pct = (Stats.NumAbbreviatedRecords * 100.0) / Stats.NumRecords; + outs() << " Percent Abbrevs: " << format("%2.4f%%", pct) << "\n"; + } + outs() << "\n"; + // Print a histogram of the codes we see. if (!NoHistogram && !Stats.CodeFreq.empty()) { std::vector > FreqPairs; // @@ -576,29 +585,31 @@ static int AnalyzeBitcode() { FreqPairs.push_back(std::make_pair(Freq, i)); std::stable_sort(FreqPairs.begin(), FreqPairs.end()); std::reverse(FreqPairs.begin(), FreqPairs.end()); - - errs() << "\tRecord Histogram:\n"; - fprintf(stderr, "\t\t Count # Bits %% Abv Record Kind\n"); + + outs() << "\tRecord Histogram:\n"; + outs() << "\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); - + + outs() << format("\t\t%7d %9lu", + RecStats.NumInstances, + (unsigned long)RecStats.TotalBits); + if (RecStats.NumAbbrev) - fprintf(stderr, "%7.2f ", - (double)RecStats.NumAbbrev/RecStats.NumInstances*100); + outs() << + format("%7.2f ", + (double)RecStats.NumAbbrev/RecStats.NumInstances*100); else - fprintf(stderr, " "); - - if (const char *CodeName = + outs() << " "; + + if (const char *CodeName = GetCodeName(FreqPairs[i].second, I->first, StreamFile)) - fprintf(stderr, "%s\n", CodeName); + outs() << CodeName << "\n"; else - fprintf(stderr, "UnknownCode%d\n", FreqPairs[i].second); + outs() << "UnknownCode" << FreqPairs[i].second << "\n"; } - errs() << "\n"; - + outs() << "\n"; + } } return 0; @@ -611,6 +622,6 @@ 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(); }