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ExecutionEngine: refactor interface

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The OptLevel is now redundant with the TargetMachine*.
And selectTarget() isn't really JIT-specific and could probably
get refactored into one of the lower level libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146355 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dylan Noblesmith
2011-12-12 04:20:36 +00:00
parent d93e4c3496
commit 9ea47179e6
7 changed files with 30 additions and 38 deletions
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21
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -28,6 +28,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include <cmath>
@ -41,14 +42,12 @@ ExecutionEngine *(*ExecutionEngine::JITCtor)(
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
TargetMachine *TM) = 0;
ExecutionEngine *(*ExecutionEngine::MCJITCtor)(
Module *M,
std::string *ErrorStr,
JITMemoryManager *JMM,
CodeGenOpt::Level OptLevel,
bool GVsWithCode,
TargetMachine *TM) = 0;
ExecutionEngine *(*ExecutionEngine::InterpCtor)(Module *M,
@ -436,13 +435,14 @@ ExecutionEngine *ExecutionEngine::createJIT(Module *M,
StringRef MCPU = "";
SmallVector<std::string, 1> MAttrs;
Triple TT(M->getTargetTriple());
// TODO: permit custom TargetOptions here
TargetMachine *TM =
EngineBuilder::selectTarget(M, MArch, MCPU, MAttrs, TargetOptions(), RM,
EngineBuilder::selectTarget(TT, MArch, MCPU, MAttrs, TargetOptions(), RM,
CMM, OL, ErrorStr);
if (!TM || (ErrorStr && ErrorStr->length() > 0)) return 0;
return ExecutionEngine::JITCtor(M, ErrorStr, JMM, OL, GVsWithCode, TM);
return ExecutionEngine::JITCtor(M, ErrorStr, JMM, GVsWithCode, TM);
}
ExecutionEngine *EngineBuilder::create() {
@ -467,18 +467,25 @@ ExecutionEngine *EngineBuilder::create() {
// Unless the interpreter was explicitly selected or the JIT is not linked,
// try making a JIT.
if (WhichEngine & EngineKind::JIT) {
if (TargetMachine *TM = EngineBuilder::selectTarget(M, MArch, MCPU, MAttrs,
Triple TT(M->getTargetTriple());
if (TargetMachine *TM = EngineBuilder::selectTarget(TT, MArch, MCPU, MAttrs,
Options,
RelocModel, CMModel,
OptLevel, ErrorStr)) {
if (!TM->getTarget().hasJIT()) {
errs() << "WARNING: This target JIT is not designed for the host"
<< " you are running. If bad things happen, please choose"
<< " a different -march switch.\n";
}
if (UseMCJIT && ExecutionEngine::MCJITCtor) {
ExecutionEngine *EE =
ExecutionEngine::MCJITCtor(M, ErrorStr, JMM, OptLevel,
ExecutionEngine::MCJITCtor(M, ErrorStr, JMM,
AllocateGVsWithCode, TM);
if (EE) return EE;
} else if (ExecutionEngine::JITCtor) {
ExecutionEngine *EE =
ExecutionEngine::JITCtor(M, ErrorStr, JMM, OptLevel,
ExecutionEngine::JITCtor(M, ErrorStr, JMM,
AllocateGVsWithCode, TM);
if (EE) return EE;
}