Hal Finkel
bcaf5e176a
[PowerPC] Recognize consecutive memory accesses from intrinsics ...
When generating unaligned vector loads, we need to search for other loads or
stores nearby offset by one vector width. If we find one, then we know that we
can safely generate another aligned load at that address. Otherwise, we must
generate the next load using an offset of the vector width minus one byte (so
we don't read off the end of the allocation if the base unaligned address
happened to be aligned at runtime). We had previously done this using only
other vector loads and stores, but did not consider the PowerPC-specific vector
load/store intrinsics. Now we'll also consider vector intrinsics. By itself,
this change is a feature enhancement, but is a necessary step toward fixing the
underlying problem behind PR19991.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214469 91177308-0d34-0410-b5e6-96231b3b80d8
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bcaf5e176a