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mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 12:12:47 +01:00
llvm-mirror/lib/Transforms
Dan Gohman b105ab4e42 Revert the part of 64623 that attempted to align the source in a
memcpy to match the alignment of the destination. It isn't necessary
for making loads and stores handled like the SSE loadu/storeu
intrinsics, and it was causing a performance regression in
MultiSource/Applications/JM/lencod.

The problem appears to have been a memcpy that copies from some
highly aligned array into an alloca; the alloca was then being
assigned a large alignment, which required codegen to perform
dynamic stack-pointer re-alignment, which forced the enclosing
function to have a frame pointer, which led to increased spilling.

llvm-svn: 65289
2009-02-22 18:06:32 +00:00
..
Hello Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
Instrumentation Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00
IPO In theory the aliasee may have dead constant users 2009-02-18 17:55:38 +00:00
Scalar Revert the part of 64623 that attempted to align the source in a 2009-02-22 18:06:32 +00:00
Utils Add AddrModeMatcher.cpp 2009-02-21 07:05:11 +00:00
Makefile Removed trailing whitespace from Makefiles. 2009-01-09 16:44:42 +00:00