use of com.oracle.truffle.llvm.runtime.memory.LLVMStack.UniquesRegion in project graal by oracle.
the class LazyToTruffleConverterImpl method generateCallTarget.
private RootCallTarget generateCallTarget() {
LLVMContext context = LLVMLanguage.getContext();
NodeFactory nodeFactory = runtime.getNodeFactory();
OptionValues options = context.getEnv().getOptions();
boolean printAST = false;
if (LLVMContext.printAstEnabled()) {
String printASTOption = options.get(SulongEngineOption.PRINT_AST_FILTER);
if (!printASTOption.isEmpty()) {
String[] regexes = printASTOption.split(",");
for (String regex : regexes) {
if (method.getName().matches(regex)) {
printAST = true;
LLVMContext.printAstLog("========== " + method.getName());
break;
}
}
}
}
doParse();
// prepare the phis
final Map<InstructionBlock, List<Phi>> phis = LLVMPhiManager.getPhis(method);
LLVMLivenessAnalysisResult liveness = LLVMLivenessAnalysis.computeLiveness(phis, method);
// setup the frameDescriptor
FrameDescriptor.Builder builder = FrameDescriptor.newBuilder();
nodeFactory.addStackSlots(builder);
UniquesRegion uniquesRegion = new UniquesRegion();
GetStackSpaceFactory getStackSpaceFactory = GetStackSpaceFactory.createGetUniqueStackSpaceFactory(uniquesRegion);
LLVMSymbolReadResolver symbols = new LLVMSymbolReadResolver(runtime, builder, getStackSpaceFactory, dataLayout, options.get(SulongEngineOption.LL_DEBUG));
int exceptionSlot = builder.addSlot(FrameSlotKind.Object, null, null);
for (FunctionParameter parameter : method.getParameters()) {
symbols.findOrAddFrameSlot(parameter);
}
HashSet<SSAValue> neededForDebug = getDebugValues();
// create blocks and translate instructions
boolean initDebugValues = true;
LLVMRuntimeDebugInformation info = new LLVMRuntimeDebugInformation(method.getBlocks().size());
LLVMBasicBlockNode[] blockNodes = new LLVMBasicBlockNode[method.getBlocks().size()];
for (InstructionBlock block : method.getBlocks()) {
List<Phi> blockPhis = phis.get(block);
ArrayList<LLVMLivenessAnalysis.NullerInformation> blockNullerInfos = liveness.getNullableWithinBlock()[block.getBlockIndex()];
LLVMBitcodeInstructionVisitor visitor = new LLVMBitcodeInstructionVisitor(exceptionSlot, uniquesRegion, blockPhis, method.getParameters().size(), symbols, context, blockNullerInfos, neededForDebug, dataLayout, nodeFactory);
if (initDebugValues) {
for (SourceVariable variable : method.getSourceFunction().getVariables()) {
if (variable.hasFragments()) {
visitor.initializeAggregateLocalVariable(variable);
}
}
initDebugValues = false;
}
for (int i = 0; i < block.getInstructionCount(); i++) {
visitor.setInstructionIndex(i);
block.getInstruction(i).accept(visitor);
}
LLVMStatementNode[] nodes = visitor.finish();
info.setBlockDebugInfo(block.getBlockIndex(), visitor.getDebugInfo());
blockNodes[block.getBlockIndex()] = LLVMBasicBlockNode.createBasicBlockNode(options, nodes, visitor.getControlFlowNode(), block.getBlockIndex(), block.getName());
}
for (int j = 0; j < blockNodes.length; j++) {
int[] nullableBeforeBlock = getNullableFrameSlots(liveness.getFrameSlots(), liveness.getNullableBeforeBlock()[j]);
int[] nullableAfterBlock = getNullableFrameSlots(liveness.getFrameSlots(), liveness.getNullableAfterBlock()[j]);
blockNodes[j].setNullableFrameSlots(nullableBeforeBlock, nullableAfterBlock);
}
info.setBlocks(blockNodes);
int loopSuccessorSlot = -1;
if (options.get(SulongEngineOption.OSR_MODE) == SulongEngineOption.OSRMode.CFG && !options.get(SulongEngineOption.AOTCacheStore)) {
LLVMControlFlowGraph cfg = new LLVMControlFlowGraph(method.getBlocks().toArray(FunctionDefinition.EMPTY));
cfg.build();
if (cfg.isReducible() && cfg.getCFGLoops().size() > 0) {
loopSuccessorSlot = builder.addSlot(FrameSlotKind.Int, null, null);
resolveLoops(blockNodes, cfg, loopSuccessorSlot, exceptionSlot, info, options);
}
}
LLVMSourceLocation location = method.getLexicalScope();
rootFunction.setSourceLocation(LLVMSourceLocation.orDefault(location));
LLVMStatementNode[] copyArgumentsToFrameArray = copyArgumentsToFrame(symbols).toArray(LLVMStatementNode.NO_STATEMENTS);
FrameDescriptor frame = builder.build();
RootNode rootNode = nodeFactory.createFunction(exceptionSlot, blockNodes, uniquesRegion, copyArgumentsToFrameArray, frame, loopSuccessorSlot, info, method.getName(), method.getSourceName(), method.getParameters().size(), source, location, rootFunction);
method.onAfterParse();
if (printAST) {
printCompactTree(rootNode);
LLVMContext.printAstLog("");
}
return rootNode.getCallTarget();
}
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