//
//===----------------------------------------------------------------------===//
-#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/IR/Verifier.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/Support/Signals.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/system_error.h"
-#include <cstdio>
-#include <map>
#include <algorithm>
+#include <cctype>
+#include <map>
using namespace llvm;
static cl::opt<std::string>
if (BlockID < bitc::FIRST_APPLICATION_BLOCKID) {
if (BlockID == bitc::BLOCKINFO_BLOCK_ID)
return "BLOCKINFO_BLOCK";
- return 0;
+ return nullptr;
}
// Check to see if we have a blockinfo record for this block, with a name.
}
- if (CurStreamType != LLVMIRBitstream) return 0;
+ if (CurStreamType != LLVMIRBitstream) return nullptr;
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_NEW: return "TYPE_BLOCK_ID";
- case bitc::CONSTANTS_BLOCK_ID: return "CONSTANTS_BLOCK";
- case bitc::FUNCTION_BLOCK_ID: return "FUNCTION_BLOCK";
- 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";
+ default: return nullptr;
+ case bitc::MODULE_BLOCK_ID: return "MODULE_BLOCK";
+ case bitc::PARAMATTR_BLOCK_ID: return "PARAMATTR_BLOCK";
+ case bitc::PARAMATTR_GROUP_BLOCK_ID: return "PARAMATTR_GROUP_BLOCK_ID";
+ 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::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";
}
}
if (BlockID < bitc::FIRST_APPLICATION_BLOCKID) {
if (BlockID == bitc::BLOCKINFO_BLOCK_ID) {
switch (CodeID) {
- default: return 0;
+ default: return nullptr;
case bitc::BLOCKINFO_CODE_SETBID: return "SETBID";
case bitc::BLOCKINFO_CODE_BLOCKNAME: return "BLOCKNAME";
case bitc::BLOCKINFO_CODE_SETRECORDNAME: return "SETRECORDNAME";
}
}
- return 0;
+ return nullptr;
}
// Check to see if we have a blockinfo record for this record, with a name.
}
- if (CurStreamType != LLVMIRBitstream) return 0;
+ if (CurStreamType != LLVMIRBitstream) return nullptr;
switch (BlockID) {
- default: return 0;
+ default: return nullptr;
case bitc::MODULE_BLOCK_ID:
switch (CodeID) {
- default: return 0;
+ default: return nullptr;
case bitc::MODULE_CODE_VERSION: return "VERSION";
case bitc::MODULE_CODE_TRIPLE: return "TRIPLE";
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";
}
case bitc::PARAMATTR_BLOCK_ID:
switch (CodeID) {
- default: return 0;
- case bitc::PARAMATTR_CODE_ENTRY: return "ENTRY";
+ default: return nullptr;
+ case bitc::PARAMATTR_CODE_ENTRY_OLD: return "ENTRY";
+ case bitc::PARAMATTR_CODE_ENTRY: return "ENTRY";
+ case bitc::PARAMATTR_GRP_CODE_ENTRY: return "ENTRY";
}
case bitc::TYPE_BLOCK_ID_NEW:
switch (CodeID) {
- default: return 0;
+ default: return nullptr;
case bitc::TYPE_CODE_NUMENTRY: return "NUMENTRY";
case bitc::TYPE_CODE_VOID: return "VOID";
case bitc::TYPE_CODE_FLOAT: return "FLOAT";
case bitc::CONSTANTS_BLOCK_ID:
switch (CodeID) {
- default: return 0;
+ default: return nullptr;
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_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;
+ default: return nullptr;
case bitc::FUNC_CODE_DECLAREBLOCKS: return "DECLAREBLOCKS";
case bitc::FUNC_CODE_INST_BINOP: return "INST_BINOP";
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::VALUE_SYMTAB_BLOCK_ID:
switch (CodeID) {
- default: return 0;
+ default: return nullptr;
case bitc::VST_CODE_ENTRY: return "ENTRY";
case bitc::VST_CODE_BBENTRY: return "BBENTRY";
}
case bitc::METADATA_ATTACHMENT_ID:
switch(CodeID) {
- default:return 0;
+ default:return nullptr;
case bitc::METADATA_ATTACHMENT: return "METADATA_ATTACHMENT";
}
case bitc::METADATA_BLOCK_ID:
switch(CodeID) {
- default:return 0;
+ default:return nullptr;
case bitc::METADATA_STRING: return "METADATA_STRING";
case bitc::METADATA_NAME: return "METADATA_NAME";
case bitc::METADATA_KIND: return "METADATA_KIND";
}
case bitc::USELIST_BLOCK_ID:
switch(CodeID) {
- default:return 0;
+ default:return nullptr;
case bitc::USELIST_CODE_ENTRY: return "USELIST_CODE_ENTRY";
}
}
}
/// ParseBlock - Read a block, updating statistics, etc.
-static bool ParseBlock(BitstreamCursor &Stream, unsigned IndentLevel) {
+static bool ParseBlock(BitstreamCursor &Stream, unsigned BlockID,
+ unsigned IndentLevel) {
std::string Indent(IndentLevel*2, ' ');
uint64_t BlockBitStart = Stream.GetCurrentBitNo();
- unsigned BlockID = Stream.ReadSubBlockID();
// Get the statistics for this BlockID.
PerBlockIDStats &BlockStats = BlockIDStats[BlockID];
// BLOCKINFO is a special part of the stream.
if (BlockID == bitc::BLOCKINFO_BLOCK_ID) {
- if (Dump) errs() << Indent << "<BLOCKINFO_BLOCK/>\n";
+ if (Dump) outs() << Indent << "<BLOCKINFO_BLOCK/>\n";
if (Stream.ReadBlockInfoBlock())
return Error("Malformed BlockInfoBlock");
uint64_t BlockBitEnd = Stream.GetCurrentBitNo();
if (Stream.EnterSubBlock(BlockID, &NumWords))
return Error("Malformed block record");
- const char *BlockName = 0;
+ const char *BlockName = nullptr;
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;
+ outs() << " BlockID=" << BlockID;
- errs() << " NumWords=" << NumWords
- << " BlockCodeSize=" << Stream.GetAbbrevIDWidth() << ">\n";
+ outs() << " NumWords=" << NumWords
+ << " BlockCodeSize=" << Stream.getAbbrevIDWidth() << ">\n";
}
SmallVector<uint64_t, 64> Record;
uint64_t RecordStartBit = Stream.GetCurrentBitNo();
- // Read the code for this record.
- unsigned AbbrevID = Stream.ReadCode();
- switch (AbbrevID) {
- case bitc::END_BLOCK: {
- if (Stream.ReadBlockEnd())
- return Error("Error at end of block");
+ BitstreamEntry Entry =
+ Stream.advance(BitstreamCursor::AF_DontAutoprocessAbbrevs);
+
+ switch (Entry.Kind) {
+ case BitstreamEntry::Error:
+ return Error("malformed bitcode file");
+ case BitstreamEntry::EndBlock: {
uint64_t BlockBitEnd = Stream.GetCurrentBitNo();
BlockStats.NumBits += BlockBitEnd-BlockBitStart;
if (Dump) {
- errs() << Indent << "</";
+ outs() << Indent << "</";
if (BlockName)
- errs() << BlockName << ">\n";
+ outs() << BlockName << ">\n";
else
- errs() << "UnknownBlock" << BlockID << ">\n";
+ outs() << "UnknownBlock" << BlockID << ">\n";
}
return false;
}
- case bitc::ENTER_SUBBLOCK: {
+
+ case BitstreamEntry::SubBlock: {
uint64_t SubBlockBitStart = Stream.GetCurrentBitNo();
- if (ParseBlock(Stream, IndentLevel+1))
+ if (ParseBlock(Stream, Entry.ID, 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;
+ continue;
+ }
+ case BitstreamEntry::Record:
+ // The interesting case.
break;
}
- case bitc::DEFINE_ABBREV:
+
+ if (Entry.ID == bitc::DEFINE_ABBREV) {
Stream.ReadAbbrevRecord();
++BlockStats.NumAbbrevs;
- break;
- default:
- Record.clear();
-
- ++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);
- BlockStats.CodeFreq[Code].NumInstances++;
- BlockStats.CodeFreq[Code].TotalBits +=
- Stream.GetCurrentBitNo()-RecordStartBit;
- if (AbbrevID != bitc::UNABBREV_RECORD)
- BlockStats.CodeFreq[Code].NumAbbrev++;
+ continue;
+ }
+
+ Record.clear();
+
+ ++BlockStats.NumRecords;
+
+ StringRef Blob;
+ unsigned Code = Stream.readRecord(Entry.ID, Record, &Blob);
+
+ // Increment the # occurrences of this code.
+ if (BlockStats.CodeFreq.size() <= Code)
+ BlockStats.CodeFreq.resize(Code+1);
+ BlockStats.CodeFreq[Code].NumInstances++;
+ BlockStats.CodeFreq[Code].TotalBits +=
+ Stream.GetCurrentBitNo()-RecordStartBit;
+ if (Entry.ID != bitc::UNABBREV_RECORD) {
+ BlockStats.CodeFreq[Code].NumAbbrev++;
+ ++BlockStats.NumAbbreviatedRecords;
+ }
- if (Dump) {
- errs() << Indent << " <";
- if (const char *CodeName =
- GetCodeName(Code, BlockID, *Stream.getBitStreamReader()))
- errs() << CodeName;
- else
- errs() << "UnknownCode" << Code;
- if (NonSymbolic &&
+ if (Dump) {
+ outs() << Indent << " <";
+ if (const char *CodeName =
GetCodeName(Code, BlockID, *Stream.getBitStreamReader()))
- errs() << " codeid=" << Code;
- if (AbbrevID != bitc::UNABBREV_RECORD)
- errs() << " abbrevid=" << AbbrevID;
-
- for (unsigned i = 0, e = Record.size(); i != e; ++i)
- errs() << " op" << i << "=" << (int64_t)Record[i];
-
- errs() << "/>";
-
- if (BlobStart) {
- errs() << " 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) <<"'";
- else
- errs() << "unprintable, " << BlobLen << " bytes.";
- }
-
- errs() << "\n";
+ outs() << CodeName;
+ else
+ outs() << "UnknownCode" << Code;
+ if (NonSymbolic &&
+ GetCodeName(Code, BlockID, *Stream.getBitStreamReader()))
+ outs() << " codeid=" << Code;
+ if (Entry.ID != bitc::UNABBREV_RECORD)
+ outs() << " abbrevid=" << Entry.ID;
+
+ for (unsigned i = 0, e = Record.size(); i != e; ++i)
+ outs() << " op" << i << "=" << (int64_t)Record[i];
+
+ outs() << "/>";
+
+ if (Blob.data()) {
+ outs() << " blob data = ";
+ bool BlobIsPrintable = true;
+ for (unsigned i = 0, e = Blob.size(); i != e; ++i)
+ if (!isprint(static_cast<unsigned char>(Blob[i]))) {
+ BlobIsPrintable = false;
+ break;
+ }
+
+ if (BlobIsPrintable)
+ outs() << "'" << Blob << "'";
+ else
+ outs() << "unprintable, " << Blob.size() << " bytes.";
}
- break;
+ outs() << "\n";
}
}
}
static void PrintSize(double Bits) {
- fprintf(stderr, "%.2f/%.2fB/%luW", Bits, Bits/8,(unsigned long)(Bits/32));
+ outs() << format("%.2f/%.2fB/%luW", Bits, Bits/8,(unsigned long)(Bits/32));
}
static void PrintSize(uint64_t Bits) {
- fprintf(stderr, "%lub/%.2fB/%luW", (unsigned long)Bits,
- (double)Bits/8, (unsigned 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.
- OwningPtr<MemoryBuffer> MemBuf;
+ std::unique_ptr<MemoryBuffer> MemBuf;
if (error_code ec =
- MemoryBuffer::getFileOrSTDIN(InputFilename.c_str(), MemBuf))
+ MemoryBuffer::getFileOrSTDIN(InputFilename, MemBuf))
return Error("Error reading '" + InputFilename + "': " + ec.message());
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);
if (Code != bitc::ENTER_SUBBLOCK)
return Error("Invalid record at top-level");
- if (ParseBlock(Stream, 0))
+ unsigned BlockID = Stream.ReadSubBlockID();
+
+ if (ParseBlock(Stream, BlockID, 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) {
- 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<unsigned, PerBlockIDStats>::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";
+ outs() << "\n";
double pct = (Stats.NumBits * 100.0) / BufferSizeBits;
- errs() << " Percent of file: " << format("%2.4f%%", pct) << "\n";
+ 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) {
double pct = (Stats.NumAbbreviatedRecords * 100.0) / Stats.NumRecords;
- errs() << " Percent Abbrevs: " << format("%2.4f%%", pct) << "\n";
+ outs() << " Percent Abbrevs: " << format("%2.4f%%", pct) << "\n";
}
- errs() << "\n";
+ outs() << "\n";
// Print a histogram of the codes we see.
if (!NoHistogram && !Stats.CodeFreq.empty()) {
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 %9lu ", RecStats.NumInstances,
- (unsigned 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, " ");
+ 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";
}
}
projects / oota-llvm.git / blobdiff