Florian Hahn 8d04181198 [ValueTracking] Use assumptions in computeConstantRange. ...

This patch updates computeConstantRange to optionally take an assumption
cache as argument and use the available assumptions to limit the range
of the result.

Currently this is limited to assumptions that are comparisons.

Reviewers: reames, nikic, spatel, jdoerfert, lebedev.ri

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D76193

2020-05-23 20:07:52 +01:00

243 KiB

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