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-rw-r--r--gnu/llvm/lib/LTO/ThinLTOCodeGenerator.cpp65
1 files changed, 36 insertions, 29 deletions
diff --git a/gnu/llvm/lib/LTO/ThinLTOCodeGenerator.cpp b/gnu/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
index a14b86179d6..40537e4fa78 100644
--- a/gnu/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
+++ b/gnu/llvm/lib/LTO/ThinLTOCodeGenerator.cpp
@@ -150,13 +150,13 @@ static void computePrevailingCopies(
}
static StringMap<MemoryBufferRef>
-generateModuleMap(const std::vector<MemoryBufferRef> &Modules) {
+generateModuleMap(const std::vector<ThinLTOBuffer> &Modules) {
StringMap<MemoryBufferRef> ModuleMap;
for (auto &ModuleBuffer : Modules) {
assert(ModuleMap.find(ModuleBuffer.getBufferIdentifier()) ==
ModuleMap.end() &&
"Expect unique Buffer Identifier");
- ModuleMap[ModuleBuffer.getBufferIdentifier()] = ModuleBuffer;
+ ModuleMap[ModuleBuffer.getBufferIdentifier()] = ModuleBuffer.getMemBuffer();
}
return ModuleMap;
}
@@ -522,13 +522,13 @@ static void initTMBuilder(TargetMachineBuilder &TMBuilder,
} // end anonymous namespace
void ThinLTOCodeGenerator::addModule(StringRef Identifier, StringRef Data) {
- MemoryBufferRef Buffer(Data, Identifier);
+ ThinLTOBuffer Buffer(Data, Identifier);
if (Modules.empty()) {
// First module added, so initialize the triple and some options
LLVMContext Context;
StringRef TripleStr;
- ErrorOr<std::string> TripleOrErr =
- expectedToErrorOrAndEmitErrors(Context, getBitcodeTargetTriple(Buffer));
+ ErrorOr<std::string> TripleOrErr = expectedToErrorOrAndEmitErrors(
+ Context, getBitcodeTargetTriple(Buffer.getMemBuffer()));
if (TripleOrErr)
TripleStr = *TripleOrErr;
Triple TheTriple(TripleStr);
@@ -538,8 +538,8 @@ void ThinLTOCodeGenerator::addModule(StringRef Identifier, StringRef Data) {
else {
LLVMContext Context;
StringRef TripleStr;
- ErrorOr<std::string> TripleOrErr =
- expectedToErrorOrAndEmitErrors(Context, getBitcodeTargetTriple(Buffer));
+ ErrorOr<std::string> TripleOrErr = expectedToErrorOrAndEmitErrors(
+ Context, getBitcodeTargetTriple(Buffer.getMemBuffer()));
if (TripleOrErr)
TripleStr = *TripleOrErr;
assert(TMBuilder.TheTriple.str() == TripleStr &&
@@ -588,7 +588,8 @@ std::unique_ptr<ModuleSummaryIndex> ThinLTOCodeGenerator::linkCombinedIndex() {
uint64_t NextModuleId = 0;
for (auto &ModuleBuffer : Modules) {
Expected<std::unique_ptr<object::ModuleSummaryIndexObjectFile>> ObjOrErr =
- object::ModuleSummaryIndexObjectFile::create(ModuleBuffer);
+ object::ModuleSummaryIndexObjectFile::create(
+ ModuleBuffer.getMemBuffer());
if (!ObjOrErr) {
// FIXME diagnose
logAllUnhandledErrors(
@@ -829,11 +830,22 @@ static std::string writeGeneratedObject(int count, StringRef CacheEntryPath,
// Main entry point for the ThinLTO processing
void ThinLTOCodeGenerator::run() {
+ // Prepare the resulting object vector
+ assert(ProducedBinaries.empty() && "The generator should not be reused");
+ if (SavedObjectsDirectoryPath.empty())
+ ProducedBinaries.resize(Modules.size());
+ else {
+ sys::fs::create_directories(SavedObjectsDirectoryPath);
+ bool IsDir;
+ sys::fs::is_directory(SavedObjectsDirectoryPath, IsDir);
+ if (!IsDir)
+ report_fatal_error("Unexistent dir: '" + SavedObjectsDirectoryPath + "'");
+ ProducedBinaryFiles.resize(Modules.size());
+ }
+
if (CodeGenOnly) {
// Perform only parallel codegen and return.
ThreadPool Pool;
- assert(ProducedBinaries.empty() && "The generator should not be reused");
- ProducedBinaries.resize(Modules.size());
int count = 0;
for (auto &ModuleBuffer : Modules) {
Pool.async([&](int count) {
@@ -841,11 +853,17 @@ void ThinLTOCodeGenerator::run() {
Context.setDiscardValueNames(LTODiscardValueNames);
// Parse module now
- auto TheModule = loadModuleFromBuffer(ModuleBuffer, Context, false,
- /*IsImporting*/ false);
+ auto TheModule =
+ loadModuleFromBuffer(ModuleBuffer.getMemBuffer(), Context, false,
+ /*IsImporting*/ false);
// CodeGen
- ProducedBinaries[count] = codegen(*TheModule);
+ auto OutputBuffer = codegen(*TheModule);
+ if (SavedObjectsDirectoryPath.empty())
+ ProducedBinaries[count] = std::move(OutputBuffer);
+ else
+ ProducedBinaryFiles[count] = writeGeneratedObject(
+ count, "", SavedObjectsDirectoryPath, *OutputBuffer);
}, count++);
}
@@ -866,18 +884,6 @@ void ThinLTOCodeGenerator::run() {
WriteIndexToFile(*Index, OS);
}
- // Prepare the resulting object vector
- assert(ProducedBinaries.empty() && "The generator should not be reused");
- if (SavedObjectsDirectoryPath.empty())
- ProducedBinaries.resize(Modules.size());
- else {
- sys::fs::create_directories(SavedObjectsDirectoryPath);
- bool IsDir;
- sys::fs::is_directory(SavedObjectsDirectoryPath, IsDir);
- if (!IsDir)
- report_fatal_error("Unexistent dir: '" + SavedObjectsDirectoryPath + "'");
- ProducedBinaryFiles.resize(Modules.size());
- }
// Prepare the module map.
auto ModuleMap = generateModuleMap(Modules);
@@ -939,8 +945,8 @@ void ThinLTOCodeGenerator::run() {
std::iota(ModulesOrdering.begin(), ModulesOrdering.end(), 0);
std::sort(ModulesOrdering.begin(), ModulesOrdering.end(),
[&](int LeftIndex, int RightIndex) {
- auto LSize = Modules[LeftIndex].getBufferSize();
- auto RSize = Modules[RightIndex].getBufferSize();
+ auto LSize = Modules[LeftIndex].getBuffer().size();
+ auto RSize = Modules[RightIndex].getBuffer().size();
return LSize > RSize;
});
@@ -992,8 +998,9 @@ void ThinLTOCodeGenerator::run() {
}
// Parse module now
- auto TheModule = loadModuleFromBuffer(ModuleBuffer, Context, false,
- /*IsImporting*/ false);
+ auto TheModule =
+ loadModuleFromBuffer(ModuleBuffer.getMemBuffer(), Context, false,
+ /*IsImporting*/ false);
// Save temps: original file.
saveTempBitcode(*TheModule, SaveTempsDir, count, ".0.original.bc");