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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. [ValueTracking] Use assumptions in computeConstantRange. (details)
Commit 8d041811983b0b8b9df5fa5f76d8b9d5178d03ea by flo
[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
The file was modifiedllvm/unittests/Analysis/ValueTrackingTest.cpp
The file was modifiedllvm/include/llvm/Analysis/ValueTracking.h
The file was modifiedllvm/lib/Analysis/ValueTracking.cpp