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# cee313d2 17-Apr-2019 Eric Christopher <echristo@gmail.com>

Revert "Temporarily Revert "Add basic loop fusion pass.""

The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
# 45682fd6 28-Mar-2019 Florian Hahn <flo@fhahn.com>

[LSR] Fix signed overflow in GenerateCrossUseConstantOffsets.

For the attached test case, unchecked addition of immediate starts and
ends overflows, as they can be arbitrary i64 constants.

Proof: h

[LSR] Fix signed overflow in GenerateCrossUseConstantOffsets.

For the attached test case, unchecked addition of immediate starts and
ends overflows, as they can be arbitrary i64 constants.

Proof: https://rise4fun.com/Alive/Plqc

Reviewers: qcolombet, gilr, efriedma

Reviewed By: efriedma

Differential Revision: https://reviews.llvm.org/D59218

llvm-svn: 357217

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