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author | Reid Spencer <rspencer@reidspencer.com> | 2004-08-19 20:16:42 +0000 |
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committer | Reid Spencer <rspencer@reidspencer.com> | 2004-08-19 20:16:42 +0000 |
commit | 90b057bf2a5e902e991ae24579aeec5d26bd0eec (patch) | |
tree | b6d0113eb0c322d6a61214213ad06d432f974a99 /llvm/projects/SmallExamples/ModuleMaker/tools | |
parent | f30f28e05f1617662e40adabb174f7949de2c035 (diff) | |
download | bcm5719-llvm-90b057bf2a5e902e991ae24579aeec5d26bd0eec.tar.gz bcm5719-llvm-90b057bf2a5e902e991ae24579aeec5d26bd0eec.zip |
Moved these files to "SmallExamples" directory.
llvm-svn: 15925
Diffstat (limited to 'llvm/projects/SmallExamples/ModuleMaker/tools')
3 files changed, 107 insertions, 0 deletions
diff --git a/llvm/projects/SmallExamples/ModuleMaker/tools/Makefile b/llvm/projects/SmallExamples/ModuleMaker/tools/Makefile new file mode 100644 index 00000000000..b15b35b33d0 --- /dev/null +++ b/llvm/projects/SmallExamples/ModuleMaker/tools/Makefile @@ -0,0 +1,19 @@ +##===- projects/ModuleMaker/tools/Makefile -----------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file was developed by the LLVM research group and is distributed under +# the University of Illinois Open Source License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## +# +# 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/llvm/projects/SmallExamples/ModuleMaker/tools/ModuleMaker/Makefile b/llvm/projects/SmallExamples/ModuleMaker/tools/ModuleMaker/Makefile new file mode 100644 index 00000000000..21e8579d9f4 --- /dev/null +++ b/llvm/projects/SmallExamples/ModuleMaker/tools/ModuleMaker/Makefile @@ -0,0 +1,33 @@ +##===- projects/ModuleMaker/tools/ModuleMaker/Makefile -----*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file was developed by the LLVM research group and is distributed under +# the University of Illinois Open Source License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## +# +# 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/llvm/projects/SmallExamples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp b/llvm/projects/SmallExamples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp new file mode 100644 index 00000000000..71e6c8cd769 --- /dev/null +++ b/llvm/projects/SmallExamples/ModuleMaker/tools/ModuleMaker/ModuleMaker.cpp @@ -0,0 +1,55 @@ +//===- 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" +#include <iostream> + +using namespace llvm; + +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<const Type*>(), + /*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; +} |