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# cee313d2 17-Apr-2019 Eric Christopher <[email protected]>

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

The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
Revision tags: llvmorg-8.0.0
# 96c1f2cd 14-Mar-2019 Paul Robinson <[email protected]>

Tighten up tests that use -debugify as a shortcut. NFC

These now verify that a given instruction has a specific source
location, rather than any old location. We want to make sure we
propagate the c

Tighten up tests that use -debugify as a shortcut. NFC

These now verify that a given instruction has a specific source
location, rather than any old location. We want to make sure we
propagate the correct locations from one instruction to another.

llvm-svn: 356217

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Revision tags: llvmorg-8.0.0-rc5
# b60aea41 11-Mar-2019 Jeremy Morse <[email protected]>

[JumpThreading] Retain debug info when replacing branch instructions

Fixes bug 37966: https://bugs.llvm.org/show_bug.cgi?id=37966

The Jump Threading pass will replace certain conditional branch
ins

[JumpThreading] Retain debug info when replacing branch instructions

Fixes bug 37966: https://bugs.llvm.org/show_bug.cgi?id=37966

The Jump Threading pass will replace certain conditional branch
instructions with unconditional branches when it can prove that only one
branch can occur. Prior to this patch, it would not carry the debug
info from the old instruction to the new one.

This patch fixes the bug described by copying the debug info from the
conditional branch instruction to the new unconditional branch
instruction, and adds a regression test for the Jump Threading pass that
covers this case.

Patch by Stephen Tozer!

Differential Revision: https://reviews.llvm.org/D58963

llvm-svn: 355822

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