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If the read2 produced was supposed to be writing into a
super register, it would use the wrong subregister indices.
Fix this by inserting copies, so we only ever write to a vreg_64.
Run the register coalescer again to clean this up, although this
isn't ideal and often does result in an extra move.
Also remove the assert that offset1 > offset0.
There isn't a real reason to not allow this other than a minor
convenience in the compiler, and it doesn't seem worth the effort
of avoiding it.
llvm-svn: 242174
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DataLayout is no longer optional. It was initialized with or without
a DataLayout, and the DataLayout when supplied could have been the
one from the TargetMachine.
Summary:
This change is part of a series of commits dedicated to have a single
DataLayout during compilation by using always the one owned by the
module.
Reviewers: echristo
Subscribers: jholewinski, llvm-commits, rafael, yaron.keren
Differential Revision: http://reviews.llvm.org/D11021
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 241774
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Running this after the scheduler enables scheduling
waits later so other ALU instructions can run while
this would be waiting.
When combined with enabling the post-RA scheduler, this
gives about a ~20% improvement on sgemm.
llvm-svn: 241473
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llvm-svn: 239657
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This reverts commit 4ea70107c5e51230e9e60f0bf58a0f74aa4885ea.
llvm-svn: 160303
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llvm-svn: 160270
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