[Bf-blender-cvs] [21fc76b50d3] functions: precompiled llvm function body

Jacques Lucke noreply at git.blender.org
Sun Mar 3 20:13:35 CET 2019


Commit: 21fc76b50d3157c94dda1630b6d6356adf857c20
Author: Jacques Lucke
Date:   Sun Mar 3 20:13:24 2019 +0100
Branches: functions
https://developer.blender.org/rB21fc76b50d3157c94dda1630b6d6356adf857c20

precompiled llvm function body

===================================================================

M	source/blender/functions/CMakeLists.txt
M	source/blender/functions/FN_llvm.hpp
A	source/blender/functions/backends/llvm/compiled_body.cpp
A	source/blender/functions/backends/llvm/compiled_body.hpp
A	source/blender/functions/backends/llvm/initialize.cpp
A	source/blender/functions/backends/llvm/initialize.hpp
M	source/blender/functions/backends/llvm/ir_utils.cpp
M	source/blender/functions/backends/llvm/ir_utils.hpp
M	source/blender/functions/backends/llvm/to_tuple_call.cpp
M	source/blender/functions/backends/llvm/to_tuple_call.hpp
M	source/blender/functions/c_wrapper.cpp
M	source/blender/functions/functions/scalar_math.cpp

===================================================================

diff --git a/source/blender/functions/CMakeLists.txt b/source/blender/functions/CMakeLists.txt
index 0dd2cb2d89d..cdc051a7bbc 100644
--- a/source/blender/functions/CMakeLists.txt
+++ b/source/blender/functions/CMakeLists.txt
@@ -50,6 +50,8 @@ set(SRC
 	backends/dependencies/fgraph_dependencies.hpp
 	backends/dependencies/fgraph_dependencies.cpp
 
+	backends/llvm/initialize.hpp
+	backends/llvm/initialize.cpp
 	backends/llvm/llvm_types.hpp
 	backends/llvm/llvm_types.cpp
 	backends/llvm/llvm_gen.hpp
@@ -58,6 +60,8 @@ set(SRC
 	backends/llvm/to_tuple_call.cpp
 	backends/llvm/from_tuple_call.hpp
 	backends/llvm/from_tuple_call.cpp
+	backends/llvm/compiled_body.hpp
+	backends/llvm/compiled_body.cpp
 	backends/llvm/ir_utils.hpp
 	backends/llvm/ir_utils.cpp
 
diff --git a/source/blender/functions/FN_llvm.hpp b/source/blender/functions/FN_llvm.hpp
index 0aec30ca896..ebdaf347f45 100644
--- a/source/blender/functions/FN_llvm.hpp
+++ b/source/blender/functions/FN_llvm.hpp
@@ -1,6 +1,8 @@
 #pragma once
 
+#include "backends/llvm/initialize.hpp"
 #include "backends/llvm/llvm_types.hpp"
 #include "backends/llvm/llvm_gen.hpp"
 #include "backends/llvm/to_tuple_call.hpp"
-#include "backends/llvm/from_tuple_call.hpp"
\ No newline at end of file
+#include "backends/llvm/from_tuple_call.hpp"
+#include "backends/llvm/compiled_body.hpp"
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/compiled_body.cpp b/source/blender/functions/backends/llvm/compiled_body.cpp
new file mode 100644
index 00000000000..e3d23e8d676
--- /dev/null
+++ b/source/blender/functions/backends/llvm/compiled_body.cpp
@@ -0,0 +1,110 @@
+#include "FN_llvm.hpp"
+#include "ir_utils.hpp"
+
+#include <llvm/IR/Verifier.h>
+#include <llvm/ExecutionEngine/ExecutionEngine.h>
+
+namespace FN {
+
+	const char *CompiledLLVMBody::identifier_in_composition()
+	{
+		return "Compiled LLVM Body";
+	}
+
+	void CompiledLLVMBody::free_self(void *value)
+	{
+		CompiledLLVMBody *v = (CompiledLLVMBody *)value;
+		delete v;
+	}
+
+	CompiledLLVMBody::~CompiledLLVMBody()
+	{
+		delete m_engine;
+	}
+
+	CompiledLLVMBody *CompiledLLVMBody::FromIR(
+		llvm::Module *module,
+		llvm::Function *main_func)
+	{
+		BLI_assert(!llvm::verifyModule(*module, &llvm::outs()));
+
+		llvm::ExecutionEngine *ee = llvm::EngineBuilder(
+			std::unique_ptr<llvm::Module>(module)).create();
+		ee->finalizeObject();
+		ee->generateCodeForModule(module);
+
+		module->print(llvm::outs(), nullptr);
+
+		uint64_t function_ptr = ee->getFunctionAddress(
+			main_func->getName().str());
+
+		auto body = new CompiledLLVMBody();
+		body->m_engine = ee;
+		body->m_func_ptr = (void *)function_ptr;
+		return body;
+	}
+
+	static CompiledLLVMBody *compile_llvm_body(
+		SharedFunction &fn,
+		llvm::LLVMContext &context)
+	{
+		auto input_type_infos = fn->signature().input_extensions<LLVMTypeInfo>();
+		auto output_type_infos = fn->signature().output_extensions<LLVMTypeInfo>();
+		LLVMTypes input_types = types_of_type_infos(input_type_infos, context);
+		LLVMTypes output_types = types_of_type_infos(output_type_infos, context);
+
+		llvm::Type *output_type = llvm::StructType::get(context, to_array_ref(output_types));
+
+		llvm::FunctionType *function_type = llvm::FunctionType::get(
+			output_type, to_array_ref(input_types), false);
+
+		llvm::Module *module = new llvm::Module(fn->name(), context);
+
+		llvm::Function *function = llvm::Function::Create(
+			function_type,
+			llvm::GlobalValue::LinkageTypes::ExternalLinkage,
+			fn->name(),
+			module);
+
+		LLVMValues input_values;
+		for (llvm::Value &value : function->args()) {
+			input_values.append(&value);
+		}
+
+		llvm::BasicBlock *bb = llvm::BasicBlock::Create(context, "entry", function);
+		llvm::IRBuilder<> builder(bb);
+
+		LLVMGenBody *gen_body = fn->body<LLVMGenBody>();
+		BLI_assert(gen_body);
+
+		LLVMValues output_values;
+		gen_body->build_ir(builder, input_values, output_values);
+		BLI_assert(output_values.size() == output_types.size());
+
+		llvm::Value *return_value = llvm::UndefValue::get(output_type);
+		for (uint i = 0; i < output_values.size(); i++) {
+			return_value = builder.CreateInsertValue(return_value, output_values[i], i);
+		}
+		builder.CreateRet(return_value);
+
+		return CompiledLLVMBody::FromIR(
+			module, function);
+	}
+
+	bool try_ensure_CompiledLLVMBody(
+		SharedFunction &fn,
+		llvm::LLVMContext &context)
+	{
+		if (fn->body<CompiledLLVMBody>() != nullptr) {
+			return true;
+		}
+
+		if (fn->body<LLVMGenBody>() != nullptr) {
+			fn->add_body(compile_llvm_body(fn, context));
+			return true;
+		}
+
+		return false;
+	}
+
+} /* namespace FN */
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/compiled_body.hpp b/source/blender/functions/backends/llvm/compiled_body.hpp
new file mode 100644
index 00000000000..479da64489f
--- /dev/null
+++ b/source/blender/functions/backends/llvm/compiled_body.hpp
@@ -0,0 +1,41 @@
+#pragma once
+
+#include "FN_core.hpp"
+
+namespace llvm {
+	class ExecutionEngine;
+	class Module;
+	class LLVMContext;
+	class FunctionType;
+}
+
+namespace FN {
+
+	class CompiledLLVMBody : public FunctionBody {
+	private:
+		void *m_func_ptr;
+		llvm::ExecutionEngine *m_engine;
+
+		CompiledLLVMBody() = default;
+
+	public:
+		static const char *identifier_in_composition();
+		static void free_self(void *value);
+
+		static CompiledLLVMBody *FromIR(
+			llvm::Module *module,
+			llvm::Function *main_func);
+
+		~CompiledLLVMBody();
+
+		void *function_ptr()
+		{
+			return m_func_ptr;
+		}
+	};
+
+	bool try_ensure_CompiledLLVMBody(
+		SharedFunction &fn,
+		llvm::LLVMContext &context);
+
+} /* namespace FN */
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/initialize.cpp b/source/blender/functions/backends/llvm/initialize.cpp
new file mode 100644
index 00000000000..e3cd36584e9
--- /dev/null
+++ b/source/blender/functions/backends/llvm/initialize.cpp
@@ -0,0 +1,14 @@
+#include "initialize.hpp"
+
+#include <llvm/Support/TargetSelect.h>
+
+namespace FN {
+
+	void initialize_llvm()
+	{
+		llvm::InitializeNativeTarget();
+		llvm::InitializeNativeTargetAsmPrinter();
+		llvm::InitializeNativeTargetAsmParser();
+	}
+
+} /* namespace FN */
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/initialize.hpp b/source/blender/functions/backends/llvm/initialize.hpp
new file mode 100644
index 00000000000..9800f164c49
--- /dev/null
+++ b/source/blender/functions/backends/llvm/initialize.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+namespace FN {
+
+	void initialize_llvm();
+
+} /* namespace FN */
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/ir_utils.cpp b/source/blender/functions/backends/llvm/ir_utils.cpp
index a232af3416b..f4caf4b1ff0 100644
--- a/source/blender/functions/backends/llvm/ir_utils.cpp
+++ b/source/blender/functions/backends/llvm/ir_utils.cpp
@@ -63,4 +63,25 @@ namespace FN {
 		return types;
 	}
 
+	LLVMTypes types_of_type_infos(
+		const SmallVector<LLVMTypeInfo *> &type_infos,
+		llvm::LLVMContext &context)
+	{
+		LLVMTypes types;
+		for (auto info : type_infos) {
+			types.append(info->get_type(context));
+		}
+		return types;
+	}
+
+	llvm::FunctionType *function_type_from_signature(
+		const Signature &signature,
+		llvm::LLVMContext &context)
+	{
+		auto input_types = types_of_type_infos(signature.input_extensions<LLVMTypeInfo>(), context);
+		auto output_types = types_of_type_infos(signature.output_extensions<LLVMTypeInfo>(), context);
+		llvm::Type *output_type = llvm::StructType::get(context, to_array_ref(output_types));
+		return llvm::FunctionType::get(output_type, to_array_ref(input_types), false);
+	}
+
 } /* namespace FN */
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/ir_utils.hpp b/source/blender/functions/backends/llvm/ir_utils.hpp
index 843b746b9ad..d4b429d0473 100644
--- a/source/blender/functions/backends/llvm/ir_utils.hpp
+++ b/source/blender/functions/backends/llvm/ir_utils.hpp
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "llvm_gen.hpp"
+#include "FN_llvm.hpp"
 #include <llvm/IR/IRBuilder.h>
 
 namespace FN {
@@ -29,6 +29,14 @@ namespace FN {
 	llvm::Value *ptr_to_ir(llvm::IRBuilder<> &builder, void *ptr, llvm::Type *type);
 
 	LLVMTypes types_of_values(const LLVMValues &values);
+	LLVMTypes types_of_type_infos(
+		const SmallVector<LLVMTypeInfo *> &type_infos,
+		llvm::LLVMContext &context);
 
 	llvm::Value *alloca_bytes(llvm::IRBuilder<> &builder, uint size);
+
+	llvm::FunctionType *function_type_from_signature(
+		const Signature &signature,
+		llvm::LLVMContext &context);
+
  } /* namespace FN */
\ No newline at end of file
diff --git a/source/blender/functions/backends/llvm/to_tuple_call.cpp b/source/blender/functions/backends/llvm/to_tuple_call.cpp
index 34a672e758d..db01077ee8f 100644
--- a/source/blender/functions/backends/llvm/to_tuple_call.cpp
+++ b/source/blender/functions/backends/llvm/to_tuple_call.cpp
@@ -1,9 +1,6 @@
-#include "to_tuple_call.hpp"
-#include "llvm_types.hpp"
-#include "llvm_gen.hpp"
-#include "ir_utils.hpp"
-
+#include "FN_llvm.hpp"
 #include "FN_tuple_call.hpp"
+#include "ir_utils.hpp"
 
 #include <llvm/IR/Verifier.h>
 #include <llvm/Support/TargetSelect.h>
@@ -11,9 +8,14 @@
 
 namespace FN {
 
+	typedef std::function<void (
+		llvm::IRBuilder<> &builder,
+		const LLVMValues &inputs,
+		LLVMValues &outputs)> BuildIRFunction;
+
 	static llvm::Function *insert_tuple_call_function(
-		Function *fn,
-		LLVMGenBody *llvm_body,
+		SharedFunction &fn,
+		BuildIRFunction build_ir,
 		llvm::Module *module)
 	{
 		llvm::LLVMContext &context = module->getContext();
@@ -61,7 +63,8 @@ namespace FN {
 		}
 
 		LLVMValues output_values;
-		llvm_body->build_ir(builder, input_values, output_values);
+		build_ir(builder, input_values, output_values);
+		BLI_assert(output_values.size() == fn->signature().outputs().size());
 
 		for (uint i = 0; i < output_values.size(); i++) {
 			llvm::Value *value_byte_addr = lookup_tuple_address(
@@ -106,24 +109,19 @@ namespace FN {
 		}
 	};
 
-	TupleCallBody *compile_llvm_to_tuple_call(
-		LLVMGenBody *llvm_body,
-		llvm::LLVMContext &context)
+	static TupleCallBody *compile_ir_to_tuple_call(
+		SharedFunction &

@@ Diff output truncated at 10240 characters. @@



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