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EngineBuilder::create is expected to take ownership of the TargetMachine passed to it. Delete it on error or when we create an interpreter that doesn't need it.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154288 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-04-08 14:53:14 +00:00
parent 5e93a76722
commit 0f55449246
1 changed files with 5 additions and 3 deletions
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8
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -448,6 +448,8 @@ ExecutionEngine *ExecutionEngine::createJIT(Module *M,
}
ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
OwningPtr<TargetMachine> TheTM(TM); // Take ownership.
// Make sure we can resolve symbols in the program as well. The zero arg
// to the function tells DynamicLibrary to load the program, not a library.
if (sys::DynamicLibrary::LoadLibraryPermanently(0, ErrorStr))
@ -468,7 +470,7 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
// Unless the interpreter was explicitly selected or the JIT is not linked,
// try making a JIT.
if ((WhichEngine & EngineKind::JIT) && TM) {
if ((WhichEngine & EngineKind::JIT) && TheTM) {
Triple TT(M->getTargetTriple());
if (!TM->getTarget().hasJIT()) {
errs() << "WARNING: This target JIT is not designed for the host"
@ -479,12 +481,12 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
if (UseMCJIT && ExecutionEngine::MCJITCtor) {
ExecutionEngine *EE =
ExecutionEngine::MCJITCtor(M, ErrorStr, JMM,
AllocateGVsWithCode, TM);
AllocateGVsWithCode, TheTM.take());
if (EE) return EE;
} else if (ExecutionEngine::JITCtor) {
ExecutionEngine *EE =
ExecutionEngine::JITCtor(M, ErrorStr, JMM,
AllocateGVsWithCode, TM);
AllocateGVsWithCode, TheTM.take());
if (EE) return EE;
}
}