27152aea88
Use Alias Analysis to hoist 2 loads from diamond to the common predecessor basic block.
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Alias Analysis allows to detect real barriers for load hoisting.
Review in http://reviews.llvm.org/D5991
llvm-svn: 221091
2014-11-02 08:03:05 +00:00
24815d9b8f
[MergedLoadStoreMotion] Move pass enabling option to PassManagerBuilder
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llvm-svn: 217538
2014-09-10 19:55:29 +00:00
e4f6684d1b
Removed misleading comment.
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llvm-svn: 217527
2014-09-10 17:54:50 +00:00
ea96a3d336
Fix for multi-line comment warning
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llvm-svn: 215169
2014-08-07 23:19:55 +00:00
ae1ec299df
Fix for regression: [Bug 20369] wrong code at -O3 on x86_64-linux-gnu in 64-bit mode
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Prevents hoisting of loads above stores and sinking of stores below loads
in MergedLoadStoreMotion.cpp (rdar://15991737)
llvm-svn: 213497
2014-07-21 03:02:46 +00:00
ab184fb88d
MergedLoadStoreMotion.cpp: Fix msc17 build. Member initializer is unavailable.
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llvm-svn: 213448
2014-07-19 03:29:25 +00:00
f27ae6cdcf
MergedLoadStoreMotion pass
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Merges equivalent loads on both sides of a hammock/diamond
and hoists into into the header.
Merges equivalent stores on both sides of a hammock/diamond
and sinks it to the footer.
Can enable if conversion and tolerate better load misses
and store operand latencies.
llvm-svn: 213396
2014-07-18 19:13:09 +00:00
Elena Demikhovsky