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3 Commits

Author SHA1 Message Date
Gerolf Hoflehner
10437f66fa Fix for regression: [Bug 20369] wrong code at -O3 on x86_64-linux-gnu in 64-bit mode 
Prevents hoisting of loads above stores and sinking of stores below loads
in MergedLoadStoreMotion.cpp (rdar://15991737)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213497 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-21 03:02:46 +00:00
NAKAMURA Takumi
f707267837 MergedLoadStoreMotion.cpp: Fix msc17 build. Member initializer is unavailable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213448 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-19 03:29:25 +00:00
Gerolf Hoflehner
d94715e273 MergedLoadStoreMotion pass 
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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213396 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-18 19:13:09 +00:00