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3 Commits

Author SHA1 Message Date
Chandler Carruth
cfb81122cc [Modules] Move CallSite into the IR library where it belogs. It is 
abstracting between a CallInst and an InvokeInst, both of which are IR
concepts.

llvm-svn: 202816
 2014-03-04 11:01:28 +00:00
Rafael Espindola
37e88054ad Handle calls and invokes in GlobalStatus. 
This patch teaches GlobalStatus to analyze a call that uses the global value as
a callee, not as an argument.

With this change internalize call handle the common use of linkonce_odr
functions. This reduces the number of linkonce_odr functions in a LTO build of
clang (checked with the emit-llvm gold plugin option) from 1730 to 60.

llvm-svn: 193436
 2013-10-25 21:29:52 +00:00
Rafael Espindola
34304975c5 Optimize more linkonce_odr values during LTO. 
When a linkonce_odr value that is on the dso list is not unnamed_addr
we can still look to see if anything is actually using its address. If
not, it is safe to hide it.

This patch implements that by moving GlobalStatus to Transforms/Utils
and using it in Internalize.

llvm-svn: 193090
 2013-10-21 17:14:55 +00:00