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Eliminate the dependency of ExecutionEngine on the JIT/Interpreter libraries.

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Now you can build a tool with just the JIT or just the interpreter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26946 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-03-22 06:07:50 +00:00
parent 765c93cefd
commit 2fe4bb06c6
5 changed files with 35 additions and 21 deletions
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26
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -13,8 +13,6 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "jit"
#include "Interpreter/Interpreter.h"
#include "JIT/JIT.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
@ -26,6 +24,7 @@
#include "llvm/Support/Debug.h"
#include "llvm/System/DynamicLibrary.h"
#include "llvm/Target/TargetData.h"
#include <iostream>
using namespace llvm;
namespace {
@ -33,6 +32,9 @@ namespace {
Statistic<> NumGlobals ("lli", "Number of global vars initialized");
}
ExecutionEngine::EECtorFn ExecutionEngine::JITCtor = 0;
ExecutionEngine::EECtorFn ExecutionEngine::InterpCtor = 0;
ExecutionEngine::ExecutionEngine(ModuleProvider *P) :
CurMod(*P->getModule()), MP(P) {
assert(P && "ModuleProvider is null?");
@ -163,24 +165,12 @@ ExecutionEngine *ExecutionEngine::create(ModuleProvider *MP,
ExecutionEngine *EE = 0;
// Unless the interpreter was explicitly selected, try making a JIT.
if (!ForceInterpreter)
EE = JIT::create(MP, IL);
if (!ForceInterpreter && JITCtor)
EE = JITCtor(MP, IL);
// If we can't make a JIT, make an interpreter instead.
if (EE == 0) {
try {
Module *M = MP->materializeModule();
try {
EE = Interpreter::create(M, IL);
} catch (...) {
std::cerr << "Error creating the interpreter!\n";
}
} catch (std::string& errmsg) {
std::cerr << "Error reading the bytecode file: " << errmsg << "\n";
} catch (...) {
std::cerr << "Error reading the bytecode file!\n";
}
}
if (EE == 0 && InterpCtor)
EE = InterpCtor(MP, IL);
if (EE == 0)
delete IL;