For each user variable, keep a list of instruction ranges where this variable is accessible. The variables are listed in order of appearance.
Declared in <llvm/CodeGen/DbgEntityHistoryCalculator.h>
class DbgValueHistoryMap;| Name | Description |
|---|---|
Entry | Specifies a change in a variable's debug value history. |
| Name | Description |
|---|---|
Entries | Ordered list of history entries for one inlined entity. |
EntriesMap | Map from each inlined entity to its debug-value history entries. |
EntryIndex | Index in the entry vector. |
InlinedEntity | Variable or label paired with its inlined-at location. |
| Name | Description |
|---|---|
begin | Return an iterator to the first variable history. |
clear | Remove all recorded variable histories. |
dump | Dump the debug-value histories for function FuncName. |
empty | Return true if no variable histories have been recorded. |
end | Return an iterator past the last variable history. |
getEntry | Return the history entry for Var at Index. |
hasNonEmptyLocation | Test whether a vector of entries features any non-empty locations. It could have no entries, or only DBG_VALUE $noreg entries. |
startClobber | Record that MI clobbers register-described locations for Var. |
startDbgValue | Record a new DBG_VALUE for Var at MI. |
trimLocationRanges | Drop location ranges which exist entirely outside each variable's scope. |
| Name | Description |
|---|---|
NoEntry | Special value to indicate that an entry is valid until the end of the function. |