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Always emit a function pointer as a pointer to the function stub (if there is one). This makes it possible to compare function pointer values in lazy compilation mode. This fixes PR3043.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59265 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -115,6 +115,10 @@ namespace {
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TheJITResolver = 0;
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}
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/// getFunctionStubIfAvailable - This returns a pointer to a function stub
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/// if it has already been created.
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void *getFunctionStubIfAvailable(Function *F);
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/// getFunctionStub - This returns a pointer to a function stub, creating
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/// one on demand as needed.
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void *getFunctionStub(Function *F);
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@ -151,6 +155,16 @@ namespace {
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JITResolver *JITResolver::TheJITResolver = 0;
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/// getFunctionStubIfAvailable - This returns a pointer to a function stub
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/// if it has already been created.
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void *JITResolver::getFunctionStubIfAvailable(Function *F) {
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MutexGuard locked(TheJIT->lock);
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// If we already have a stub for this function, recycle it.
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void *&Stub = state.getFunctionToStubMap(locked)[F];
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return Stub;
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}
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/// getFunctionStub - This returns a pointer to a function stub, creating
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/// one on demand as needed.
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void *JITResolver::getFunctionStub(Function *F) {
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@ -596,7 +610,12 @@ void *JITEmitter::getPointerToGlobal(GlobalValue *V, void *Reference,
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// If we have already compiled the function, return a pointer to its body.
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Function *F = cast<Function>(V);
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void *ResultPtr = TheJIT->getPointerToGlobalIfAvailable(F);
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void *ResultPtr;
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if (!DoesntNeedStub)
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// Return the function stub if it's already created.
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ResultPtr = Resolver.getFunctionStubIfAvailable(F);
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else
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ResultPtr = TheJIT->getPointerToGlobalIfAvailable(F);
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if (ResultPtr) return ResultPtr;
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if (F->isDeclaration() && !F->hasNotBeenReadFromBitcode()) {
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