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3 Commits

Author SHA1 Message Date
Matthias Braun
075724a5d9 MIRTests: Remove unnecessary 2>&1 redirection 
llc mir output goes to stdout nowadays, so the 2>&1 is not necessary
anymore for most tests.

llvm-svn: 295859
 2017-02-22 18:47:41 +00:00
Matthias Braun
e6e3ee6e99 AArch64LoadStoreOptimizer: Correctly clear kill flags 
When promoting the Load of a Store-Load pair to a COPY all kill flags
between the store and the load need to be cleared.

rdar://30402435

Differential Revision: https://reviews.llvm.org/D30110

llvm-svn: 295512
 2017-02-17 23:15:03 +00:00
Matthias Braun
e7959a23ac AArch64LoadStoreOptimizer: Update kill flags when merging stores 
Kill flags need to be updated correctly when moving stores up/down to
form store pair instructions.
Those invalid flags have been ignored before but as of r290014 they are
recognized when using -mllvm -verify-machineinstrs.

Also simplifies test/CodeGen/AArch64/ldst-opt-dbg-limit.mir, renames it
to ldst-opt.mir test and adds a new tests for this change.

Differential Revision: https://reviews.llvm.org/D28875

llvm-svn: 292625
 2017-01-20 18:04:27 +00:00