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Author SHA1 Message Date
Rafael Espindola b8a1293e0b Make unique section names the default again. 
Using non unique names found a bug in the ICF inplementation in gold:

https://sourceware.org/bugzilla/show_bug.cgi?id=18440

This reverts commit r234143.

llvm-svn: 238048
 2015-05-22 20:44:03 +00:00
Rafael Espindola 298059a4ac This reverts commit r234104, bringing back 233393 now that ARM is fixed. 
Original message:

Don't use unique section names by default if using the integrated as.

This saves some IO and ccache space by not creating long section names. It
should work with every ELF linker.

llvm-svn: 234143
 2015-04-06 04:36:45 +00:00
Rafael Espindola d7329ef99f Revert "Revert "Revert "Don't use unique section names by default if using the integrated as.""" 
This reverts commit r234101. I will debug what went wrong with ARM.

llvm-svn: 234104
 2015-04-04 19:32:41 +00:00
Rafael Espindola 321fabfd8e Revert "Revert "Don't use unique section names by default if using the integrated as."" 
This reverts commit r233398, bringing back 233393 now that LLVM is fixed.

Original message:

Don't use unique section names by default if using the integrated as.

This saves some IO and ccache space by not creating long section names. It
should work with every ELF linker.

llvm-svn: 234101
 2015-04-04 18:21:14 +00:00
Rafael Espindola d053d20d0d Revert "Don't use unique section names by default if using the integrated as." 
This reverts commit r233393 while a debug a bot failure.

llvm-svn: 233398
 2015-03-27 19:01:14 +00:00
Rafael Espindola 463a0afe15 Don't use unique section names by default if using the integrated as. 
This saves some IO and ccache space by not creating long section names. It
should work with every ELF linker.

llvm-svn: 233393
 2015-03-27 17:55:23 +00:00
Rafael Espindola 6b07a1c6ee Add -funique-section-names and -fno-unique-section-names options. 
For now -funique-section-names is the default, so no change in default behavior.

The total .o size in a build of llvm and clang goes from 241687775 to 230649031
bytes if -fno-unique-section-names is used.

llvm-svn: 230031
 2015-02-20 18:08:57 +00:00
Evgeniy Stepanov 9e7cb33b17 Fix handling of -fno-function-sections, -fno-data-sections in clang driver. 
llvm-svn: 200685
 2014-02-03 11:11:37 +00:00