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Author SHA1 Message Date
Rui Ueyama 1e9e615f92 LTO: Merge -lto-no-discard-value-names with -save-temps. 
This patch is to remove -lto-no-discard-value-names flag and
instead to use -save-temps as we discussed in the post-commit
review thread for r267020.

Differential Revision: http://reviews.llvm.org/D19437

llvm-svn: 267230
 2016-04-22 21:43:10 +00:00
Davide Italiano 5abcb3cc5b [LTO] Discard names for values that are not global by default. 
Rafael reported on the mailing list that this reduces peak memory
usage while linking llvm-as by 15%. It makes sense to make it
the default, and introduce an inverse knob -lto-no-discard-value-names
for those who want to restore the old behavior.

llvm-svn: 267020
 2016-04-21 17:46:38 +00:00
Davide Italiano 3c0410d09d [LTO] Discard names for Values that are not global. 
This is not on by default (but it might be in the future).
The knob to enable the optimization is -lto-discard-value-names.

llvm-svn: 266953
 2016-04-21 04:46:22 +00:00