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Add support for llvm.setjmp and longjmp. Only 3 SingleSource/UnitTests fail now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19404 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -569,6 +569,7 @@ void SelectionDAGLowering::visitStore(StoreInst &I) {
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}
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void SelectionDAGLowering::visitCall(CallInst &I) {
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const char *RenameFn = 0;
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if (Function *F = I.getCalledFunction())
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switch (F->getIntrinsicID()) {
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case 0: break; // Not an intrinsic.
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@ -584,6 +585,8 @@ void SelectionDAGLowering::visitCall(CallInst &I) {
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// readport, writeport, readio, writeio
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assert(0 && "This intrinsic is not implemented yet!");
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return;
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case Intrinsic::setjmp: RenameFn = "setjmp"; break;
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case Intrinsic::longjmp: RenameFn = "longjmp"; break;
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case Intrinsic::memcpy: visitMemCpy(I); return;
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case Intrinsic::memset: visitMemSet(I); return;
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case Intrinsic::memmove: visitMemMove(I); return;
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@ -594,7 +597,11 @@ void SelectionDAGLowering::visitCall(CallInst &I) {
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return;
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}
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SDOperand Callee = getValue(I.getOperand(0));
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SDOperand Callee;
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if (!RenameFn)
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Callee = getValue(I.getOperand(0));
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else
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Callee = DAG.getExternalSymbol(RenameFn, TLI.getPointerTy());
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std::vector<std::pair<SDOperand, const Type*> > Args;
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for (unsigned i = 1, e = I.getNumOperands(); i != e; ++i) {
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