================
@@ -254,12 +254,32 @@ Function *IndirectCallEdge::GetCallee(ModuleList &images,
/// @}
+AddressRange CollapseRanges(llvm::ArrayRef<AddressRange> ranges) {
+ if (ranges.empty())
+ return AddressRange();
+ if (ranges.size() == 1)
+ return ranges[0];
+
+ Address lowest_addr = ranges[0].GetBaseAddress();
+ addr_t highest_addr = lowest_addr.GetFileAddress() + ranges[0].GetByteSize();
+ for (const AddressRange &range : ranges.drop_front()) {
+ Address range_begin = range.GetBaseAddress();
+ addr_t range_end = range_begin.GetFileAddress() + range.GetByteSize();
+ if (range_begin.GetFileAddress() < lowest_addr.GetFileAddress())
+ lowest_addr = range_begin;
+ if (range_end > highest_addr)
+ highest_addr = range_end;
+ }
+ return AddressRange(lowest_addr, highest_addr -
lowest_addr.GetFileAddress());
----------------
JDevlieghere wrote:
I can't help but think you don't actually need the `highest_addr` and you could
just keep extending the byte size of the range, but maybe I'm missing
something?
https://github.com/llvm/llvm-project/pull/115730
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