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[ExecutionEngine] Allow JIT clients to enable/disable module verification.

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Previously module verification was always enabled, with no way to turn it off.
As of this commit, module verification is on by default in Debug builds, and off
by default in release builds. The default behaviour can be overridden by calling
setVerifyModules(bool) on the JIT instance (this works for both the old JIT, and
MCJIT).

<rdar://problem/16150008>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206561 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Lang Hames
2014-04-18 06:48:23 +00:00
parent bc3655f9c8
commit c3097bfd9b
4 changed files with 55 additions and 14 deletions
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lib/ExecutionEngine/ExecutionEngine.cpp
+20 -10
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@@ -66,6 +66,15 @@ ExecutionEngine::ExecutionEngine(Module *M)
CompilingLazily = false;
GVCompilationDisabled = false;
SymbolSearchingDisabled = false;
// IR module verification is enabled by default in debug builds, and disabled
// by default in release builds.
#ifndef NDEBUG
VerifyModules = true;
#else
VerifyModules = false;
#endif
Modules.push_back(M);
assert(M && "Module is null?");
}
@@ -483,16 +492,17 @@ ExecutionEngine *EngineBuilder::create(TargetMachine *TM) {
<< " a different -march switch.\n";
}
if (UseMCJIT && ExecutionEngine::MCJITCtor) {
ExecutionEngine *EE =
ExecutionEngine::MCJITCtor(M, ErrorStr, MCJMM ? MCJMM : JMM,
AllocateGVsWithCode, TheTM.release());
if (EE) return EE;
} else if (ExecutionEngine::JITCtor) {
ExecutionEngine *EE =
ExecutionEngine::JITCtor(M, ErrorStr, JMM,
AllocateGVsWithCode, TheTM.release());
if (EE) return EE;
ExecutionEngine *EE = nullptr;
if (UseMCJIT && ExecutionEngine::MCJITCtor)
EE = ExecutionEngine::MCJITCtor(M, ErrorStr, MCJMM ? MCJMM : JMM,
AllocateGVsWithCode, TheTM.release());
else if (ExecutionEngine::JITCtor)
EE = ExecutionEngine::JITCtor(M, ErrorStr, JMM,
AllocateGVsWithCode, TheTM.release());
if (EE) {
EE->setVerifyModules(VerifyModules);
return EE;
}
}