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[Release Notes] Add release note for "-fmerge-all-constants"
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Authored by manojgupta on Apr 6 2018, 1:26 PM.

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Summary

Add note that "-fmerge-all-constants" is not applied as default
anymore.

This revision was not accepted when it landed; it landed in state Needs Review.Apr 6 2018, 2:14 PM

This revision was automatically updated to reflect the committed changes.

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Show First 20 Lines • Show All 52 Lines • ▼ Show 20 Lines	* A new tool named :doc:`llvm-exegesis <CommandGuide/llvm-exegesis>` has been
properties (latency/uops) and provides a principled way to edit scheduling		properties (latency/uops) and provides a principled way to edit scheduling
models.		models.

* A new tool named :doc:`llvm-mca <CommandGuide/llvm-mca>` has been added.		* A new tool named :doc:`llvm-mca <CommandGuide/llvm-mca>` has been added.
:program:`llvm-mca` is a static performance analysis tool that uses		:program:`llvm-mca` is a static performance analysis tool that uses
information available in LLVM to statically predict the performance of		information available in LLVM to statically predict the performance of
machine code for a specific CPU.		machine code for a specific CPU.

		* The optimization flag to merge constants (-fmerge-all-constants) is no longer
		applied by default.

* Note..		* Note..

.. NOTE		.. NOTE
If you would like to document a larger change, then you can add a		If you would like to document a larger change, then you can add a
subsection about it right here. You can copy the following boilerplate		subsection about it right here. You can copy the following boilerplate
and un-indent it (the indentation causes it to be inside this comment).		and un-indent it (the indentation causes it to be inside this comment).

Special New Feature		Special New Feature
▲ Show 20 Lines • Show All 73 Lines • Show Last 20 Lines