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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,75 @@ | ||
| // Std imports | ||
| import "std/data/vector"; | ||
| import "std/data/stack"; | ||
|
|
||
| // Own imports | ||
| import "bindings/llvm/llvm" as llvm; | ||
|
|
||
| public type Generator struct { | ||
| type CommonLLVMTypes struct { | ||
| llvm::StructType fatPtrType | ||
| } | ||
|
|
||
| public type IRGenerator struct/* : ICompilerPass*/ { | ||
| llvm::Context& context | ||
| llvm::Builder& builder | ||
| llvm::Module* module | ||
| //OpRuleConversionManager conversionManager | ||
| //StdFunctionManager stdFunctionManager | ||
| //DebugInfoGenerator diGenerator | ||
| CommonLLVMTypes llvmTypes | ||
| Vector<llvm::BasicBlock> breakBlocks | ||
| Vector<llvm::BasicBlock> continueBlocks | ||
| Stack<llvm::BasicBlock> fallthroughBlocks | ||
| llvm::BasicBlock* allocaInsertBlock = nil<llvm::BasicBlock*> | ||
| llvm::Instruction* allocaInsertInst = nil<llvm::Instruction*> | ||
| bool blockAlreadyTerminated = false | ||
| //Vector<DeferredLogic> deferredVTableInitializations | ||
| } | ||
|
|
||
| public p IRGenerator.ctor(GlobalResourceManager& resourceManager, SourceFile* sourceFile) { | ||
| this.context = resourceManager.context; | ||
| this.builder = resourceManager.builder; | ||
| this.module = sourceFile.module; | ||
| this.stdFunctionManager = StdFunctionManager(resourceManager, sourceFile.llvmModule); | ||
|
|
||
| // Attach information to the module | ||
| this.module.setTargetTriple(this.cliOptions.targetTriple); | ||
| this.module.setDataLayout(resourceManager.targetMachine.createDataLayout()); | ||
|
|
||
| // Initialiize debug info generator | ||
| if this.cliOptions.generateDebugInfo { | ||
| this.diGenerator.initialize(sourceFile.fileName, sourceFile.fileDir); | ||
| } | ||
| } | ||
|
|
||
| public f<llvm::Value> IRGenerator.createAlloca(llvm::Type llvmType, String varName) { | ||
| if !this.cliOptions.namesForIRValues { varName.clear(); } | ||
|
|
||
| if this.allocaInsertInst != nil<llvm::Instruction*> { // If there is already an alloca inst, insert right after that | ||
| llvm::AllocaInst allocaInst = this.builder.createAlloca(llvmType, llvm::Value(), varName); | ||
| allocaInst.setDebugLoc(llvm::DebugLoc()); | ||
| allocaInstrInst = allocaInst; | ||
| } else { // This is the first alloca inst in the current function -> insert at the entry block | ||
| // Save current basic block and move insert cursor to entry block of the current function | ||
| llvm::BasicBlock currentBlock = this.builder.getInsertBlock(); | ||
| this.builder.setInsertPoint(this.allocaInsertBlock); | ||
|
|
||
| // Allocate the size of the given LLVM type | ||
| this.allocaInsertInst = this.builder.createAlloca(llvmType, llvm::Value(), varName); | ||
| this.allocaInsertInst.setDebugLoc(llvm::DebugLoc()); | ||
|
|
||
| // Resotre old basic block | ||
| this.builder.setInsertPoint(currentBlock); | ||
| } | ||
| return (llvm::Value) allocaInsertInst; | ||
| } | ||
|
|
||
| public f<llvm::Value> IRGenerator.insertLoad(llvm::Type llvmType, llvm::Value ptr, bool isVolatile, const String& varName = "") { | ||
| assert ptr.getType().isPointerTy(); | ||
| return this.builder.createLoad(llvmType, ptr, isVolatile, this.cliOptions.namesForIRValues ? varName.getRaw() : ""); | ||
| } | ||
|
|
||
| public p IRGenerator.insertStore(llvm::Value value, llvm::Value ptr, bool isVolatile) { | ||
| assert ptr.getType().isPointerTy(); | ||
| this.builder.createStore(value, ptr, isVolatile); | ||
| } |
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