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Differential D79863 Diff 265755 llvm/include/llvm/Transforms/Utils/Local.h

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llvm/include/llvm/Transforms/Utils/Local.h

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	DenseMap<Value , AllocaInst > &AllocaForValue);			DenseMap<Value , AllocaInst > &AllocaForValue);

	/// Assuming the instruction \p I is going to be deleted, attempt to salvage			/// Assuming the instruction \p I is going to be deleted, attempt to salvage
	/// debug users of \p I by writing the effect of \p I in a DIExpression. If it			/// debug users of \p I by writing the effect of \p I in a DIExpression. If it
	/// cannot be salvaged mark it undef.			/// cannot be salvaged mark it undef.
	/// Returns true if any debug users were updated.			/// Returns true if any debug users were updated.
	bool salvageDebugInfo(Instruction &I);			bool salvageDebugInfo(Instruction &I);


	/// Implementation of salvageDebugInfo, applying only to instructions in			/// Implementation of salvageDebugInfo, applying only to instructions in
	/// \p Insns, rather than all debug users of \p I.			/// \p Insns, rather than all debug users from findDbgUsers( \p I).
				/// Returns true if any debug users were updated.
				/// Mark undef if salvaging cannot be completed.
	bool salvageDebugInfoForDbgValues(Instruction &I,			bool salvageDebugInfoForDbgValues(Instruction &I,
	ArrayRef<DbgVariableIntrinsic *> Insns);			ArrayRef<DbgVariableIntrinsic *> Insns);

	/// Given an instruction \p I and DIExpression \p DIExpr operating on it, write			/// Given an instruction \p I and DIExpression \p DIExpr operating on it, write
	/// the effects of \p I into the returned DIExpression, or return nullptr if			/// the effects of \p I into the returned DIExpression, or return nullptr if
	/// it cannot be salvaged. \p StackVal: whether DW_OP_stack_value should be			/// it cannot be salvaged. \p StackVal: whether DW_OP_stack_value should be
	/// appended to the expression.			/// appended to the expression.
	DIExpression salvageDebugInfoImpl(Instruction &I, DIExpression DIExpr,			DIExpression salvageDebugInfoImpl(Instruction &I, DIExpression DIExpr,
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