9 // This file implements relative lookup table converter that converts
10 // lookup tables to relative lookup tables to make them PIC-friendly.
25   // If lookup table has more than one user,  in shouldConvertToRelLookupTable()
26   // do not generate a relative lookup table.  in shouldConvertToRelLookupTable()
28   // TODO: Add support for lookup tables with multiple uses.  in shouldConvertToRelLookupTable()
29   // For ex, this can happen when a function that uses a lookup table gets  in shouldConvertToRelLookupTable()
47   // If the original lookup table does not have local linkage and is  in shouldConvertToRelLookupTable()
48   // not dso_local, do not generate a relative lookup table.  in shouldConvertToRelLookupTable()
49   // This optimization creates a relative lookup table that consists of  in shouldConvertToRelLookupTable()
50   // offsets between the start of the lookup table and its elements.  in shouldConvertToRelLookupTable()
51   // To be able to generate these offsets, relative lookup table and  in shouldConvertToRelLookupTable()
63   // If values are not 64-bit pointers, do not generate a relative lookup table.  in shouldConvertToRelLookupTable()
74     // If an operand is not a constant offset from a lookup table,  in shouldConvertToRelLookupTable()
75     // do not generate a relative lookup table.  in shouldConvertToRelLookupTable()
79     // If operand is mutable, do not generate a relative lookup table.  in shouldConvertToRelLookupTable()
158   // by adding base address (lookup table address) and relative offset.  in convertToRelLookupTable()
169 // Convert lookup tables to relative lookup tables in the module.
176     // Check if we have a target that supports relative lookup tables.  in convertToRelativeLookupTables()
192     // Remove the original lookup table.  in convertToRelativeLookupTables()