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Catch more function pointer casting problems
Remove the Function pointer cast in these calls, converting it to a cast of argument. %tmp60 = tail call int cast (int (ulong)* %str to int (int)*)( int 10 ) %tmp60 = tail call int cast (int (ulong)* %str to int (int)*)( uint %tmp51 ) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28953 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -6048,7 +6048,15 @@ bool InstCombiner::transformConstExprCastCall(CallSite CS) {
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CallSite::arg_iterator AI = CS.arg_begin();
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for (unsigned i = 0, e = NumCommonArgs; i != e; ++i, ++AI) {
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const Type *ParamTy = FT->getParamType(i);
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bool isConvertible = (*AI)->getType()->isLosslesslyConvertibleTo(ParamTy);
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const Type *ActTy = (*AI)->getType();
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ConstantSInt* c = dyn_cast<ConstantSInt>(*AI);
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//Either we can cast directly, or we can upconvert the argument
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bool isConvertible = ActTy->isLosslesslyConvertibleTo(ParamTy) ||
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(ParamTy->isIntegral() && ActTy->isIntegral() &&
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ParamTy->isSigned() == ActTy->isSigned() &&
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ParamTy->getPrimitiveSize() >= ActTy->getPrimitiveSize()) ||
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(c && ParamTy->getPrimitiveSize() >= ActTy->getPrimitiveSize() &&
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c->getValue() > 0);
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if (Callee->isExternal() && !isConvertible) return false;
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}
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