nicolas/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[ThinLTO] Add option to dump value name to GUID mapping

Browse Source 
Summary:
Useful for debugging since we lose this correlation after the permodule
summary/VST is read and until we later materialize source modules in the
function importer.

Reviewers: joker.eph

Subscribers: llvm-commits, joker.eph

Differential Revision: http://reviews.llvm.org/D18555

llvm-svn: 265327
This commit is contained in:
Teresa Johnson
2016-04-04 18:52:58 +00:00
parent 0beb858e97
commit 916495d894
2 changed files with 53 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
View File

@@ -29,7 +29,9 @@
#include "llvm/IR/OperandTraits.h"
#include "llvm/IR/Operator.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/DataStream.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/MemoryBuffer.h"
@@ -38,6 +40,11 @@
using namespace llvm;
static cl::opt<bool> PrintSummaryGUIDs(
"print-summary-global-ids", cl::init(false), cl::Hidden,
cl::desc(
"Print the global id for each value when reading the module summary"));
namespace {
enum {
SWITCH_INST_MAGIC = 0x4B5 // May 2012 => 1205 => Hex
@@ -5520,8 +5527,11 @@ std::error_code ModuleSummaryIndexBitcodeReader::parseValueSymbolTable(
"No linkage found for VST entry?");
std::string GlobalId = GlobalValue::getGlobalIdentifier(
ValueName, VLI->second, SourceFileName);
TheIndex->addGlobalValueInfo(GlobalId, std::move(GlobalValInfo));
ValueIdToCallGraphGUIDMap[ValueID] = GlobalValue::getGUID(GlobalId);
auto ValueGUID = GlobalValue::getGUID(GlobalId);
if (PrintSummaryGUIDs)
dbgs() << "GUID " << ValueGUID << " is " << ValueName << "\n";
TheIndex->addGlobalValueInfo(ValueGUID, std::move(GlobalValInfo));
ValueIdToCallGraphGUIDMap[ValueID] = ValueGUID;
ValueName.clear();
break;
}
@@ -5540,9 +5550,11 @@ std::error_code ModuleSummaryIndexBitcodeReader::parseValueSymbolTable(
"No linkage found for VST entry?");
std::string FunctionGlobalId = GlobalValue::getGlobalIdentifier(
ValueName, VLI->second, SourceFileName);
TheIndex->addGlobalValueInfo(FunctionGlobalId, std::move(FuncInfo));
ValueIdToCallGraphGUIDMap[ValueID] =
GlobalValue::getGUID(FunctionGlobalId);
auto FunctionGUID = GlobalValue::getGUID(FunctionGlobalId);
if (PrintSummaryGUIDs)
dbgs() << "GUID " << FunctionGUID << " is " << ValueName << "\n";
TheIndex->addGlobalValueInfo(FunctionGUID, std::move(FuncInfo));
ValueIdToCallGraphGUIDMap[ValueID] = FunctionGUID;
ValueName.clear();
break;