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ExecutionEngine: push TargetMachine creation into clients (v2)

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In particular, into EngineBuilder. This should only impact
the private API between the EE and EB classes, not external
clients, since JITCtor and MCJITCtor are both protected members.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131317 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dylan Noblesmith 2011-05-13 21:51:29 +00:00
parent 2ea29ba2a8
commit c5b28580a9
6 changed files with 30 additions and 66 deletions
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10
include/llvm/ExecutionEngine/ExecutionEngine.h
View File

@ -135,20 +135,14 @@ protected:
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs);
TargetMachine *TM);
static ExecutionEngine *(*MCJITCtor)(
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs);
TargetMachine *TM);
static ExecutionEngine *(*InterpCtor)(Module *M,
std::string *ErrorStr);

38
lib/ExecutionEngine/ExecutionEngine.cpp
View File

@ -29,6 +29,7 @@
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/Host.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include <cmath>
#include <cstring>
using namespace llvm;
@ -42,20 +43,14 @@ ExecutionEngine *(*ExecutionEngine::JITCtor)(
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs) = 0;
TargetMachine *TM) = 0;
ExecutionEngine *(*ExecutionEngine::MCJITCtor)(
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs) = 0;
TargetMachine *TM) = 0;
ExecutionEngine *(*ExecutionEngine::InterpCtor)(Module *M,
std::string *ErrorStr) = 0;
@ -441,18 +436,21 @@ ExecutionEngine *EngineBuilder::create() {
// Unless the interpreter was explicitly selected or the JIT is not linked,
// try making a JIT.
if (WhichEngine & EngineKind::JIT) {
if (UseMCJIT && ExecutionEngine::MCJITCtor) {
ExecutionEngine *EE =
ExecutionEngine::MCJITCtor(M, ErrorStr, JMM, OptLevel,
AllocateGVsWithCode, CMModel,
MArch, MCPU, MAttrs);
if (EE) return EE;
} else if (ExecutionEngine::JITCtor) {
ExecutionEngine *EE =
ExecutionEngine::JITCtor(M, ErrorStr, JMM, OptLevel,
AllocateGVsWithCode, CMModel,
MArch, MCPU, MAttrs);
if (EE) return EE;
if (TargetMachine *TM =
EngineBuilder::selectTarget(M, MArch, MCPU, MAttrs, ErrorStr)) {
TM->setCodeModel(CMModel);
if (UseMCJIT && ExecutionEngine::MCJITCtor) {
ExecutionEngine *EE =
ExecutionEngine::MCJITCtor(M, ErrorStr, JMM, OptLevel,
AllocateGVsWithCode, TM);
if (EE) return EE;
} else if (ExecutionEngine::JITCtor) {
ExecutionEngine *EE =
ExecutionEngine::JITCtor(M, ErrorStr, JMM, OptLevel,
AllocateGVsWithCode, TM);
if (EE) return EE;
}
}
}

23
lib/ExecutionEngine/JIT/JIT.cpp
View File

@ -214,8 +214,12 @@ ExecutionEngine *ExecutionEngine::createJIT(Module *M,
StringRef MArch = "";
StringRef MCPU = "";
SmallVector<std::string, 1> MAttrs;
return JIT::createJIT(M, ErrorStr, JMM, OptLevel, GVsWithCode, CMM,
MArch, MCPU, MAttrs);
TargetMachine *TM =
EngineBuilder::selectTarget(M, MArch, MCPU, MAttrs, ErrorStr);
if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
TM->setCodeModel(CMM);
return JIT::createJIT(M, ErrorStr, JMM, OptLevel, GVsWithCode, TM);
}
ExecutionEngine *JIT::createJIT(Module *M,
@ -223,25 +227,12 @@ ExecutionEngine *JIT::createJIT(Module *M,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs) {
TargetMachine *TM) {
// Try to register the program as a source of symbols to resolve against.
//
// FIXME: Don't do this here.
sys::DynamicLibrary::LoadLibraryPermanently(0, NULL);
// Pick a target either via -march or by guessing the native arch.
//
// FIXME: This should be lifted out of here, it isn't something which should
// be part of the JIT policy, rather the burden for this selection should be
// pushed to clients.
TargetMachine *TM =
EngineBuilder::selectTarget(M, MArch, MCPU, MAttrs, ErrorStr);
if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
TM->setCodeModel(CMM);
// If the target supports JIT code generation, create the JIT.
if (TargetJITInfo *TJ = TM->getJITInfo()) {
return new JIT(M, *TM, *TJ, JMM, OptLevel, GVsWithCode);

5
lib/ExecutionEngine/JIT/JIT.h
View File

@ -186,10 +186,7 @@ public:
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs);
TargetMachine *TM);
// Run the JIT on F and return information about the generated code
void runJITOnFunction(Function *F, MachineCodeInfo *MCI = 0);

15
lib/ExecutionEngine/MCJIT/MCJIT.cpp
View File

@ -38,25 +38,12 @@ ExecutionEngine *MCJIT::createJIT(Module *M,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs) {
TargetMachine *TM) {
// Try to register the program as a source of symbols to resolve against.
//
// FIXME: Don't do this here.
sys::DynamicLibrary::LoadLibraryPermanently(0, NULL);
// Pick a target either via -march or by guessing the native arch.
//
// FIXME: This should be lifted out of here, it isn't something which should
// be part of the JIT policy, rather the burden for this selection should be
// pushed to clients.
TargetMachine *TM =
EngineBuilder::selectTarget(M, MArch, MCPU, MAttrs, ErrorStr);
if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
TM->setCodeModel(CMM);
// If the target supports JIT code generation, create the JIT.
if (TargetJITInfo *TJ = TM->getJITInfo())
return new MCJIT(M, TM, *TJ, new MCJITMemoryManager(JMM, M), OptLevel,

5
lib/ExecutionEngine/MCJIT/MCJIT.h
View File

@ -81,10 +81,7 @@ public:
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
CodeModel::Model CMM,
StringRef MArch,
StringRef MCPU,
const SmallVectorImpl<std::string>& MAttrs);
TargetMachine *TM);
// @}
};