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Author SHA1 Message Date
Florian Hahn 752fea7c27 [SCCP] Add range metadata to call sites with known return ranges. 
If we inferred a range for the function return value, we can add !range
at all call-sites of the function, if the range does not include undef.

Reviewers: efriedma, davide, nikic

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D83952
 2020-07-21 10:06:54 +01:00
Florian Hahn 037c812191 [SCCP] Add test cases for adding !range to call-sites. 2020-07-16 15:34:58 +01:00