From 8ca0eebe4ef4fe810dba5ce91306031272f139cf Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 21 Aug 2003 22:29:52 +0000 Subject: Initial checkin of ModuleMaker project git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8036 91177308-0d34-0410-b5e6-96231b3b80d8 --- examples/ModuleMaker/Makefile | 19 ++++++++ examples/ModuleMaker/Makefile.common | 10 +++++ examples/ModuleMaker/ModuleMaker.cpp | 52 ++++++++++++++++++++++ examples/ModuleMaker/tools/Makefile | 11 +++++ examples/ModuleMaker/tools/ModuleMaker/Makefile | 25 +++++++++++ .../ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp | 52 ++++++++++++++++++++++ 6 files changed, 169 insertions(+) create mode 100644 examples/ModuleMaker/Makefile create mode 100644 examples/ModuleMaker/Makefile.common create mode 100644 examples/ModuleMaker/ModuleMaker.cpp create mode 100644 examples/ModuleMaker/tools/Makefile create mode 100644 examples/ModuleMaker/tools/ModuleMaker/Makefile create mode 100644 examples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp (limited to 'examples/ModuleMaker') diff --git a/examples/ModuleMaker/Makefile b/examples/ModuleMaker/Makefile new file mode 100644 index 0000000000..7c2d3280b2 --- /dev/null +++ b/examples/ModuleMaker/Makefile @@ -0,0 +1,19 @@ +# +# This is a sample Makefile for a project that uses LLVM. +# + +# +# Indicates our relative path to the top of the project's root directory. +# +LEVEL = . + +# +# Directories that needs to be built. +# +DIRS = tools + +# +# Include the Master Makefile that knows how to build all. +# +include $(LEVEL)/Makefile.common + diff --git a/examples/ModuleMaker/Makefile.common b/examples/ModuleMaker/Makefile.common new file mode 100644 index 0000000000..9b34d87527 --- /dev/null +++ b/examples/ModuleMaker/Makefile.common @@ -0,0 +1,10 @@ +# +# Set this variable to the top of the LLVM source tree. +# +LLVM_SRC_ROOT = $(LEVEL)/../.. + +# +# Include LLVM's Master Makefile. +# +include $(LLVM_SRC_ROOT)/Makefile.common + diff --git a/examples/ModuleMaker/ModuleMaker.cpp b/examples/ModuleMaker/ModuleMaker.cpp new file mode 100644 index 0000000000..1d06c2d0dd --- /dev/null +++ b/examples/ModuleMaker/ModuleMaker.cpp @@ -0,0 +1,52 @@ +//===- ModuleMaker.cpp - Example project which creates modules --*- C++ -*-===// +// +// This programs is a simple example that creates an LLVM module "from scratch", +// emitting it as a bytecode file to standard out. This is just to show how +// LLVM projects work and to demonstrate some of the LLVM APIs. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Module.h" +#include "llvm/DerivedTypes.h" +#include "llvm/Constants.h" +#include "llvm/Instructions.h" +#include "llvm/Bytecode/Writer.h" + +int main() { + // Create the "module" or "program" or "translation unit" to hold the + // function + Module *M = new Module("test"); + + // Create the main function: first create the type 'int ()' + FunctionType *FT = FunctionType::get(Type::IntTy, std::vector(), + /*not vararg*/false); + + // By passing a module as the last parameter to the Function constructor, + // it automatically gets appended to the Module. + Function *F = new Function(FT, Function::ExternalLinkage, "main", M); + + // Add a basic block to the function... again, it automatically inserts + // because of the last argument. + BasicBlock *BB = new BasicBlock("EntryBlock", F); + + // Get pointers to the constant integers... + Value *Two = ConstantSInt::get(Type::IntTy, 2); + Value *Three = ConstantSInt::get(Type::IntTy, 3); + + // Create the add instruction... does not insert... + Instruction *Add = BinaryOperator::create(Instruction::Add, Two, Three, + "addresult"); + + // explicitly insert it into the basic block... + BB->getInstList().push_back(Add); + + // Create the return instruction and add it to the basic block + BB->getInstList().push_back(new ReturnInst(Add)); + + // Output the bytecode file to stdout + WriteBytecodeToFile(M, std::cout); + + // Delete the module and all of its contents. + delete M; + return 0; +} diff --git a/examples/ModuleMaker/tools/Makefile b/examples/ModuleMaker/tools/Makefile new file mode 100644 index 0000000000..47997df90b --- /dev/null +++ b/examples/ModuleMaker/tools/Makefile @@ -0,0 +1,11 @@ +# +# Relative path to the top of the source tree. +# +LEVEL=.. + +# +# List all of the subdirectories that we will compile. +# +DIRS=ModuleMaker + +include $(LEVEL)/Makefile.common diff --git a/examples/ModuleMaker/tools/ModuleMaker/Makefile b/examples/ModuleMaker/tools/ModuleMaker/Makefile new file mode 100644 index 0000000000..7f06b92e74 --- /dev/null +++ b/examples/ModuleMaker/tools/ModuleMaker/Makefile @@ -0,0 +1,25 @@ +# +# LEVEL - Indicate where we are relative to the top of the source tree. +# +LEVEL=../.. + +# +# TOOLNAME = Give the name of the tool. +# +TOOLNAME=ModuleMaker + +# +# LLVMLIBS - List LLVM libraries that we'll need +# +LLVMLIBS= bcwriter vmcore support.a + +# +# USEDLIBS - List all project local libraries here +# +#USEDLIBS= + +# +# Include Makefile.common so we know what to do. +# +include $(LEVEL)/Makefile.common + diff --git a/examples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp b/examples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp new file mode 100644 index 0000000000..1d06c2d0dd --- /dev/null +++ b/examples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp @@ -0,0 +1,52 @@ +//===- ModuleMaker.cpp - Example project which creates modules --*- C++ -*-===// +// +// This programs is a simple example that creates an LLVM module "from scratch", +// emitting it as a bytecode file to standard out. This is just to show how +// LLVM projects work and to demonstrate some of the LLVM APIs. +// +//===----------------------------------------------------------------------===// + +#include "llvm/Module.h" +#include "llvm/DerivedTypes.h" +#include "llvm/Constants.h" +#include "llvm/Instructions.h" +#include "llvm/Bytecode/Writer.h" + +int main() { + // Create the "module" or "program" or "translation unit" to hold the + // function + Module *M = new Module("test"); + + // Create the main function: first create the type 'int ()' + FunctionType *FT = FunctionType::get(Type::IntTy, std::vector(), + /*not vararg*/false); + + // By passing a module as the last parameter to the Function constructor, + // it automatically gets appended to the Module. + Function *F = new Function(FT, Function::ExternalLinkage, "main", M); + + // Add a basic block to the function... again, it automatically inserts + // because of the last argument. + BasicBlock *BB = new BasicBlock("EntryBlock", F); + + // Get pointers to the constant integers... + Value *Two = ConstantSInt::get(Type::IntTy, 2); + Value *Three = ConstantSInt::get(Type::IntTy, 3); + + // Create the add instruction... does not insert... + Instruction *Add = BinaryOperator::create(Instruction::Add, Two, Three, + "addresult"); + + // explicitly insert it into the basic block... + BB->getInstList().push_back(Add); + + // Create the return instruction and add it to the basic block + BB->getInstList().push_back(new ReturnInst(Add)); + + // Output the bytecode file to stdout + WriteBytecodeToFile(M, std::cout); + + // Delete the module and all of its contents. + delete M; + return 0; +} -- cgit v1.2.3