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Debug Info: use SmallVector instead of std::vector in MCDwarfDirsCUMap and MCDwarfFilesCUMap

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llvm-svn: 176893
This commit is contained in:
Manman Ren 2013-03-12 20:17:00 +00:00
parent d34e051c0f
commit a557c34a03
4 changed files with 14 additions and 13 deletions
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9
include/llvm/MC/MCContext.h
View File

@ -11,6 +11,7 @@
#define LLVM_MC_MCCONTEXT_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/SectionKind.h"
@ -105,9 +106,9 @@ namespace llvm {
/// We now emit a line table for each compile unit. To reduce the prologue
/// size of each line table, the files and directories used by each compile
/// unit are separated.
typedef std::map<unsigned, std::vector<MCDwarfFile *> > MCDwarfFilesMap;
typedef std::map<unsigned, SmallVector<MCDwarfFile *, 4> > MCDwarfFilesMap;
MCDwarfFilesMap MCDwarfFilesCUMap;
std::map<unsigned, std::vector<StringRef> > MCDwarfDirsCUMap;
std::map<unsigned, SmallVector<StringRef, 4> > MCDwarfDirsCUMap;
/// The current dwarf line information from the last dwarf .loc directive.
MCDwarfLoc CurrentDwarfLoc;
@ -301,10 +302,10 @@ namespace llvm {
return false;
}
const std::vector<MCDwarfFile *> &getMCDwarfFiles(unsigned CUID = 0) {
const SmallVectorImpl<MCDwarfFile *> &getMCDwarfFiles(unsigned CUID = 0) {
return MCDwarfFilesCUMap[CUID];
}
const std::vector<StringRef> &getMCDwarfDirs(unsigned CUID = 0) {
const SmallVectorImpl<StringRef> &getMCDwarfDirs(unsigned CUID = 0) {
return MCDwarfDirsCUMap[CUID];
}

6
lib/MC/MCContext.cpp
View File

@ -304,8 +304,8 @@ unsigned MCContext::GetDwarfFile(StringRef Directory, StringRef FileName,
// Note: in GenericAsmParser::ParseDirectiveFile() FileNumber was checked
// to not be less than one. This needs to be change to be not less than zero.
std::vector<MCDwarfFile *>& MCDwarfFiles = MCDwarfFilesCUMap[CUID];
std::vector<StringRef>& MCDwarfDirs = MCDwarfDirsCUMap[CUID];
SmallVectorImpl<MCDwarfFile *>& MCDwarfFiles = MCDwarfFilesCUMap[CUID];
SmallVectorImpl<StringRef>& MCDwarfDirs = MCDwarfDirsCUMap[CUID];
// Make space for this FileNumber in the MCDwarfFiles vector if needed.
if (FileNumber >= MCDwarfFiles.size()) {
MCDwarfFiles.resize(FileNumber + 1);
@ -366,7 +366,7 @@ unsigned MCContext::GetDwarfFile(StringRef Directory, StringRef FileName,
/// isValidDwarfFileNumber - takes a dwarf file number and returns true if it
/// currently is assigned and false otherwise.
bool MCContext::isValidDwarfFileNumber(unsigned FileNumber, unsigned CUID) {
std::vector<MCDwarfFile *>& MCDwarfFiles = MCDwarfFilesCUMap[CUID];
SmallVectorImpl<MCDwarfFile *>& MCDwarfFiles = MCDwarfFilesCUMap[CUID];
if(FileNumber == 0 || FileNumber >= MCDwarfFiles.size())
return false;

8
lib/MC/MCDwarf.cpp
View File

@ -298,7 +298,7 @@ const MCSymbol *MCDwarfFileTable::EmitCU(MCStreamer *MCOS, unsigned CUID) {
// Put out the directory and file tables.
// First the directory table.
const std::vector<StringRef> &MCDwarfDirs =
const SmallVectorImpl<StringRef> &MCDwarfDirs =
context.getMCDwarfDirs(CUID);
for (unsigned i = 0; i < MCDwarfDirs.size(); i++) {
MCOS->EmitBytes(MCDwarfDirs[i]); // the DirectoryName
@ -307,7 +307,7 @@ const MCSymbol *MCDwarfFileTable::EmitCU(MCStreamer *MCOS, unsigned CUID) {
MCOS->EmitIntValue(0, 1); // Terminate the directory list
// Second the file table.
const std::vector<MCDwarfFile *> &MCDwarfFiles =
const SmallVectorImpl<MCDwarfFile *> &MCDwarfFiles =
MCOS->getContext().getMCDwarfFiles(CUID);
for (unsigned i = 1; i < MCDwarfFiles.size(); i++) {
MCOS->EmitBytes(MCDwarfFiles[i]->getName()); // FileName
@ -643,13 +643,13 @@ static void EmitGenDwarfInfo(MCStreamer *MCOS,
// AT_name, the name of the source file. Reconstruct from the first directory
// and file table entries.
const std::vector<StringRef> &MCDwarfDirs =
const SmallVectorImpl<StringRef> &MCDwarfDirs =
context.getMCDwarfDirs();
if (MCDwarfDirs.size() > 0) {
MCOS->EmitBytes(MCDwarfDirs[0]);
MCOS->EmitBytes("/");
}
const std::vector<MCDwarfFile *> &MCDwarfFiles =
const SmallVectorImpl<MCDwarfFile *> &MCDwarfFiles =
MCOS->getContext().getMCDwarfFiles();
MCOS->EmitBytes(MCDwarfFiles[1]->getName());
MCOS->EmitIntValue(0, 1); // NULL byte to terminate the string.

4
lib/MC/MCParser/AsmParser.cpp
View File

@ -626,7 +626,7 @@ bool AsmParser::Run(bool NoInitialTextSection, bool NoFinalize) {
return TokError("unmatched .ifs or .elses");
// Check to see there are no empty DwarfFile slots.
const std::vector<MCDwarfFile *> &MCDwarfFiles =
const SmallVectorImpl<MCDwarfFile *> &MCDwarfFiles =
getContext().getMCDwarfFiles();
for (unsigned i = 1; i < MCDwarfFiles.size(); i++) {
if (!MCDwarfFiles[i])
@ -1495,7 +1495,7 @@ bool AsmParser::ParseStatement(ParseStatementInfo &Info) {
// If we previously parsed a cpp hash file line comment then make sure the
// current Dwarf File is for the CppHashFilename if not then emit the
// Dwarf File table for it and adjust the line number for the .loc.
const std::vector<MCDwarfFile *> &MCDwarfFiles =
const SmallVectorImpl<MCDwarfFile *> &MCDwarfFiles =
getContext().getMCDwarfFiles();
if (CppHashFilename.size() != 0) {
if (MCDwarfFiles[getContext().getGenDwarfFileNumber()]->getName() !=