mirror of
https://github.com/c64scene-ar/llvm-6502.git
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Simplify code, make it print the constructed module before it is run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15792 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
105a56ac6b
commit
e8bf58c170
@ -10,8 +10,6 @@
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// This small program provides an example of how to quickly build a small
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// module with two functions and execute it with the JIT.
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//
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//===------------------------------------------------------------------------===
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// Goal:
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// The goal of this snippet is to create in the memory
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// the LLVM module consisting of two functions as follow:
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@ -34,118 +32,78 @@
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// conflict of temporary function name with some real
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// existing function name?
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//
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//===----------------------------------------------------------------------===//
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#include <iostream>
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#include <llvm/Module.h>
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#include <llvm/DerivedTypes.h>
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#include <llvm/Constants.h>
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#include <llvm/Instructions.h>
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#include <llvm/ModuleProvider.h>
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#include "llvm/Module.h"
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#include "llvm/Constants.h"
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#include "llvm/Type.h"
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#include "llvm/Instructions.h"
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#include "llvm/ModuleProvider.h"
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#include "llvm/ExecutionEngine/ExecutionEngine.h"
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#include "llvm/ExecutionEngine/GenericValue.h"
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#include <iostream>
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using namespace llvm;
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int main() {
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// Create some module to put our function into it.
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Module *M = new Module("test");
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// Create the add1 function entry and insert this entry into module M. The
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// function will have a return type of "int" and take an argument of "int".
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// The '0' terminates the list of argument types.
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Function *Add1F = M->getOrInsertFunction("add1", Type::IntTy, Type::IntTy, 0);
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// We are about to create the add1 function:
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Function *Add1F;
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{
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// first create type for the single argument of add1 function:
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// the type is 'int ()'
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std::vector<const Type*> ArgT(1);
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ArgT[0] = Type::IntTy;
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// now create full type of the add1 function:
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FunctionType *Add1T = FunctionType::get(Type::IntTy, // type of result
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ArgT,
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/*not vararg*/false);
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// Now create the add1 function entry and
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// insert this entry into module M
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// (By passing a module as the last parameter to the Function constructor,
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// it automatically gets appended to the Module.)
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Add1F = new Function(Add1T,
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Function::ExternalLinkage, // maybe too much
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"add1", M);
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// Add a basic block to the function... (again, it automatically inserts
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// because of the last argument.)
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BasicBlock *BB = new BasicBlock("EntryBlock of add1 function", Add1F);
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// Add a basic block to the function. As before, it automatically inserts
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// because of the last argument.
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BasicBlock *BB = new BasicBlock("EntryBlock", Add1F);
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// Get pointers to the constant `1'...
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Value *One = ConstantSInt::get(Type::IntTy, 1);
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// Get pointers to the constant `1'.
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Value *One = ConstantSInt::get(Type::IntTy, 1);
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// Get pointers to the integer argument of the add1 function...
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assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
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Argument &ArgX = Add1F->afront(); // Get the arg
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// Get pointers to the integer argument of the add1 function...
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assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
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Argument *ArgX = Add1F->abegin(); // Get the arg
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ArgX->setName("AnArg"); // Give it a nice symbolic name for fun.
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// Create the add instruction... does not insert...
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Instruction *Add = BinaryOperator::create(Instruction::Add, One, &ArgX,
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"addresult");
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// Create the add instruction, inserting it into the end of BB.
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Instruction *Add = BinaryOperator::createAdd(One, ArgX, "addresult", BB);
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// explicitly insert it into the basic block...
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BB->getInstList().push_back(Add);
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// Create the return instruction and add it to the basic block
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BB->getInstList().push_back(new ReturnInst(Add));
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// Create the return instruction and add it to the basic block
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new ReturnInst(Add, BB);
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// function add1 is ready
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}
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// Now, function add1 is ready.
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// now we going to create function `foo':
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Function *FooF;
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// Now we going to create function `foo', which returns an int and takes no
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// arguments.
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Function *FooF = M->getOrInsertFunction("foo", Type::IntTy, 0);
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{
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// Create the foo function type:
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FunctionType *FooT =
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FunctionType::get(Type::IntTy, // result has type: 'int ()'
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std::vector<const Type*>(), // no arguments
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/*not vararg*/false);
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// Add a basic block to the FooF function.
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BB = new BasicBlock("EntryBlock", FooF);
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// Get pointers to the constant `10'.
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Value *Ten = ConstantSInt::get(Type::IntTy, 10);
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// Pass Ten to the call call:
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std::vector<Value*> Params;
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Params.push_back(Ten);
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CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
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// create the entry for function `foo' and insert
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// this entry into module M:
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FooF =
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new Function(FooT,
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Function::ExternalLinkage, // too wide?
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"foo", M);
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// Add a basic block to the FooF function...
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BasicBlock *BB = new BasicBlock("EntryBlock of add1 function", FooF);
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// Create the return instruction and add it to the basic block.
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new ReturnInst(Add1CallRes, BB);
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// Get pointers to the constant `10'...
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Value *Ten = ConstantSInt::get(Type::IntTy, 10);
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// Put the argument Ten on stack and make call:
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// ...
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std::vector<Value*> Params;
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Params.push_back(Ten);
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CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
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// Create the return instruction and add it to the basic block
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BB->getInstList().push_back(new ReturnInst(Add1CallRes));
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}
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// Now we going to create JIT ??
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// Now we create the JIT.
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ExistingModuleProvider* MP = new ExistingModuleProvider(M);
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ExecutionEngine* EE = ExecutionEngine::create( MP, true );
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ExecutionEngine* EE = ExecutionEngine::create(MP, true);
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std::cout << "We just constructed this LLVM module:\n\n" << *M;
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std::cout << "\n\nRunning foo: " << std::flush;
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// Call the `foo' function with no arguments:
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std::vector<GenericValue> noargs;
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GenericValue gv = EE->runFunction(FooF, noargs);
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// import result of execution:
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std::cout << "Result: " << gv.IntVal << std:: endl;
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// Import result of execution:
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std::cout << "Result: " << gv.IntVal << "\n";
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return 0;
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}
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@ -10,8 +10,6 @@
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// This small program provides an example of how to quickly build a small
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// module with two functions and execute it with the JIT.
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//
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//===------------------------------------------------------------------------===
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// Goal:
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// The goal of this snippet is to create in the memory
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// the LLVM module consisting of two functions as follow:
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@ -34,118 +32,78 @@
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// conflict of temporary function name with some real
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// existing function name?
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//
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//===----------------------------------------------------------------------===//
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#include <iostream>
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#include <llvm/Module.h>
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#include <llvm/DerivedTypes.h>
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#include <llvm/Constants.h>
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#include <llvm/Instructions.h>
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#include <llvm/ModuleProvider.h>
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#include "llvm/Module.h"
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#include "llvm/Constants.h"
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#include "llvm/Type.h"
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#include "llvm/Instructions.h"
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#include "llvm/ModuleProvider.h"
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#include "llvm/ExecutionEngine/ExecutionEngine.h"
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#include "llvm/ExecutionEngine/GenericValue.h"
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#include <iostream>
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using namespace llvm;
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int main() {
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// Create some module to put our function into it.
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Module *M = new Module("test");
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// Create the add1 function entry and insert this entry into module M. The
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// function will have a return type of "int" and take an argument of "int".
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// The '0' terminates the list of argument types.
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Function *Add1F = M->getOrInsertFunction("add1", Type::IntTy, Type::IntTy, 0);
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// We are about to create the add1 function:
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Function *Add1F;
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{
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// first create type for the single argument of add1 function:
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// the type is 'int ()'
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std::vector<const Type*> ArgT(1);
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ArgT[0] = Type::IntTy;
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// now create full type of the add1 function:
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FunctionType *Add1T = FunctionType::get(Type::IntTy, // type of result
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ArgT,
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/*not vararg*/false);
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// Now create the add1 function entry and
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// insert this entry into module M
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// (By passing a module as the last parameter to the Function constructor,
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// it automatically gets appended to the Module.)
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Add1F = new Function(Add1T,
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Function::ExternalLinkage, // maybe too much
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"add1", M);
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// Add a basic block to the function... (again, it automatically inserts
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// because of the last argument.)
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BasicBlock *BB = new BasicBlock("EntryBlock of add1 function", Add1F);
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// Add a basic block to the function. As before, it automatically inserts
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// because of the last argument.
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BasicBlock *BB = new BasicBlock("EntryBlock", Add1F);
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// Get pointers to the constant `1'...
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Value *One = ConstantSInt::get(Type::IntTy, 1);
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// Get pointers to the constant `1'.
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Value *One = ConstantSInt::get(Type::IntTy, 1);
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// Get pointers to the integer argument of the add1 function...
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assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
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Argument &ArgX = Add1F->afront(); // Get the arg
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// Get pointers to the integer argument of the add1 function...
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assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
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Argument *ArgX = Add1F->abegin(); // Get the arg
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ArgX->setName("AnArg"); // Give it a nice symbolic name for fun.
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// Create the add instruction... does not insert...
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Instruction *Add = BinaryOperator::create(Instruction::Add, One, &ArgX,
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"addresult");
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// Create the add instruction, inserting it into the end of BB.
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Instruction *Add = BinaryOperator::createAdd(One, ArgX, "addresult", BB);
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// explicitly insert it into the basic block...
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BB->getInstList().push_back(Add);
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// Create the return instruction and add it to the basic block
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BB->getInstList().push_back(new ReturnInst(Add));
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// Create the return instruction and add it to the basic block
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new ReturnInst(Add, BB);
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// function add1 is ready
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}
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// Now, function add1 is ready.
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// now we going to create function `foo':
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Function *FooF;
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// Now we going to create function `foo', which returns an int and takes no
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// arguments.
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Function *FooF = M->getOrInsertFunction("foo", Type::IntTy, 0);
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{
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// Create the foo function type:
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FunctionType *FooT =
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FunctionType::get(Type::IntTy, // result has type: 'int ()'
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std::vector<const Type*>(), // no arguments
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/*not vararg*/false);
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// Add a basic block to the FooF function.
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BB = new BasicBlock("EntryBlock", FooF);
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// Get pointers to the constant `10'.
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Value *Ten = ConstantSInt::get(Type::IntTy, 10);
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// Pass Ten to the call call:
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std::vector<Value*> Params;
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Params.push_back(Ten);
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CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
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// create the entry for function `foo' and insert
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// this entry into module M:
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FooF =
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new Function(FooT,
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Function::ExternalLinkage, // too wide?
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"foo", M);
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// Add a basic block to the FooF function...
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BasicBlock *BB = new BasicBlock("EntryBlock of add1 function", FooF);
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// Create the return instruction and add it to the basic block.
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new ReturnInst(Add1CallRes, BB);
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// Get pointers to the constant `10'...
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Value *Ten = ConstantSInt::get(Type::IntTy, 10);
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// Put the argument Ten on stack and make call:
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// ...
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std::vector<Value*> Params;
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Params.push_back(Ten);
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CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
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// Create the return instruction and add it to the basic block
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BB->getInstList().push_back(new ReturnInst(Add1CallRes));
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}
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// Now we going to create JIT ??
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// Now we create the JIT.
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ExistingModuleProvider* MP = new ExistingModuleProvider(M);
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ExecutionEngine* EE = ExecutionEngine::create( MP, true );
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ExecutionEngine* EE = ExecutionEngine::create(MP, true);
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std::cout << "We just constructed this LLVM module:\n\n" << *M;
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std::cout << "\n\nRunning foo: " << std::flush;
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// Call the `foo' function with no arguments:
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std::vector<GenericValue> noargs;
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GenericValue gv = EE->runFunction(FooF, noargs);
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// import result of execution:
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std::cout << "Result: " << gv.IntVal << std:: endl;
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// Import result of execution:
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std::cout << "Result: " << gv.IntVal << "\n";
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return 0;
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}
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@ -10,8 +10,6 @@
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// This small program provides an example of how to quickly build a small
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// module with two functions and execute it with the JIT.
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//
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//===------------------------------------------------------------------------===
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// Goal:
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// The goal of this snippet is to create in the memory
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// the LLVM module consisting of two functions as follow:
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@ -34,118 +32,78 @@
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// conflict of temporary function name with some real
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// existing function name?
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//
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//===----------------------------------------------------------------------===//
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#include <iostream>
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#include <llvm/Module.h>
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#include <llvm/DerivedTypes.h>
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#include <llvm/Constants.h>
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#include <llvm/Instructions.h>
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#include <llvm/ModuleProvider.h>
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#include "llvm/Module.h"
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#include "llvm/Constants.h"
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#include "llvm/Type.h"
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#include "llvm/Instructions.h"
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#include "llvm/ModuleProvider.h"
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#include "llvm/ExecutionEngine/ExecutionEngine.h"
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#include "llvm/ExecutionEngine/GenericValue.h"
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#include <iostream>
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using namespace llvm;
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int main() {
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// Create some module to put our function into it.
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Module *M = new Module("test");
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|
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// Create the add1 function entry and insert this entry into module M. The
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// function will have a return type of "int" and take an argument of "int".
|
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// The '0' terminates the list of argument types.
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Function *Add1F = M->getOrInsertFunction("add1", Type::IntTy, Type::IntTy, 0);
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// We are about to create the add1 function:
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Function *Add1F;
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{
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// first create type for the single argument of add1 function:
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// the type is 'int ()'
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std::vector<const Type*> ArgT(1);
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ArgT[0] = Type::IntTy;
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// now create full type of the add1 function:
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FunctionType *Add1T = FunctionType::get(Type::IntTy, // type of result
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ArgT,
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/*not vararg*/false);
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// Now create the add1 function entry and
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// insert this entry into module M
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// (By passing a module as the last parameter to the Function constructor,
|
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// it automatically gets appended to the Module.)
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Add1F = new Function(Add1T,
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Function::ExternalLinkage, // maybe too much
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"add1", M);
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// Add a basic block to the function... (again, it automatically inserts
|
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// because of the last argument.)
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BasicBlock *BB = new BasicBlock("EntryBlock of add1 function", Add1F);
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// Add a basic block to the function. As before, it automatically inserts
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// because of the last argument.
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BasicBlock *BB = new BasicBlock("EntryBlock", Add1F);
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// Get pointers to the constant `1'...
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Value *One = ConstantSInt::get(Type::IntTy, 1);
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// Get pointers to the constant `1'.
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Value *One = ConstantSInt::get(Type::IntTy, 1);
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// Get pointers to the integer argument of the add1 function...
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assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
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Argument &ArgX = Add1F->afront(); // Get the arg
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// Get pointers to the integer argument of the add1 function...
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assert(Add1F->abegin() != Add1F->aend()); // Make sure there's an arg
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Argument *ArgX = Add1F->abegin(); // Get the arg
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ArgX->setName("AnArg"); // Give it a nice symbolic name for fun.
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// Create the add instruction... does not insert...
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Instruction *Add = BinaryOperator::create(Instruction::Add, One, &ArgX,
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"addresult");
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// Create the add instruction, inserting it into the end of BB.
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Instruction *Add = BinaryOperator::createAdd(One, ArgX, "addresult", BB);
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// explicitly insert it into the basic block...
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BB->getInstList().push_back(Add);
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// Create the return instruction and add it to the basic block
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BB->getInstList().push_back(new ReturnInst(Add));
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// Create the return instruction and add it to the basic block
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new ReturnInst(Add, BB);
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// function add1 is ready
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}
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// Now, function add1 is ready.
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// now we going to create function `foo':
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Function *FooF;
|
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// Now we going to create function `foo', which returns an int and takes no
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// arguments.
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Function *FooF = M->getOrInsertFunction("foo", Type::IntTy, 0);
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{
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// Create the foo function type:
|
||||
FunctionType *FooT =
|
||||
FunctionType::get(Type::IntTy, // result has type: 'int ()'
|
||||
std::vector<const Type*>(), // no arguments
|
||||
/*not vararg*/false);
|
||||
// Add a basic block to the FooF function.
|
||||
BB = new BasicBlock("EntryBlock", FooF);
|
||||
|
||||
// Get pointers to the constant `10'.
|
||||
Value *Ten = ConstantSInt::get(Type::IntTy, 10);
|
||||
|
||||
// Pass Ten to the call call:
|
||||
std::vector<Value*> Params;
|
||||
Params.push_back(Ten);
|
||||
CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
|
||||
|
||||
// create the entry for function `foo' and insert
|
||||
// this entry into module M:
|
||||
FooF =
|
||||
new Function(FooT,
|
||||
Function::ExternalLinkage, // too wide?
|
||||
"foo", M);
|
||||
|
||||
// Add a basic block to the FooF function...
|
||||
BasicBlock *BB = new BasicBlock("EntryBlock of add1 function", FooF);
|
||||
// Create the return instruction and add it to the basic block.
|
||||
new ReturnInst(Add1CallRes, BB);
|
||||
|
||||
// Get pointers to the constant `10'...
|
||||
Value *Ten = ConstantSInt::get(Type::IntTy, 10);
|
||||
|
||||
// Put the argument Ten on stack and make call:
|
||||
// ...
|
||||
std::vector<Value*> Params;
|
||||
Params.push_back(Ten);
|
||||
CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);
|
||||
|
||||
// Create the return instruction and add it to the basic block
|
||||
BB->getInstList().push_back(new ReturnInst(Add1CallRes));
|
||||
|
||||
}
|
||||
|
||||
// Now we going to create JIT ??
|
||||
// Now we create the JIT.
|
||||
ExistingModuleProvider* MP = new ExistingModuleProvider(M);
|
||||
ExecutionEngine* EE = ExecutionEngine::create( MP, true );
|
||||
ExecutionEngine* EE = ExecutionEngine::create(MP, true);
|
||||
|
||||
std::cout << "We just constructed this LLVM module:\n\n" << *M;
|
||||
std::cout << "\n\nRunning foo: " << std::flush;
|
||||
|
||||
// Call the `foo' function with no arguments:
|
||||
std::vector<GenericValue> noargs;
|
||||
GenericValue gv = EE->runFunction(FooF, noargs);
|
||||
|
||||
// import result of execution:
|
||||
std::cout << "Result: " << gv.IntVal << std:: endl;
|
||||
|
||||
// Import result of execution:
|
||||
std::cout << "Result: " << gv.IntVal << "\n";
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user