llvm-project

Commit Graph

Author	SHA1	Message	Date
Rafael Espindola	751677a040	Don't merge two constants if we care about the address of both. This fixes the original testcase in PR8927. It also causes a clang binary built with a patched clang to increase in size by 0.21%. We can probably get some of the size back by writing a pass that detects that a global never has its pointer compared and adds unnamed_addr to it (maybe extend global opt). It is also possible that there are some other cases clang could add unnamed_addr to. I will investigate extending globalopt next. llvm-svn: 123584	2011-01-16 17:05:09 +00:00
Nick Lewycky	0296a481f9	Make constmerge a two-pass algorithm so that it won't miss merging opporuntities. Fixes PR8978. llvm-svn: 123541	2011-01-15 18:14:21 +00:00

Author

SHA1

Message

Date

Rafael Espindola

751677a040

Don't merge two constants if we care about the address of both.

This fixes the original testcase in PR8927. It also causes a clang
binary built with a patched clang to increase in size by 0.21%.

We can probably get some of the size back by writing a pass that
detects that a global never has its pointer compared and adds
unnamed_addr to it (maybe extend global opt). It is also possible that
there are some other cases clang could add unnamed_addr to.

I will investigate extending globalopt next.

llvm-svn: 123584

2011-01-16 17:05:09 +00:00

Nick Lewycky

0296a481f9

Make constmerge a two-pass algorithm so that it won't miss merging

opporuntities. Fixes PR8978.

llvm-svn: 123541

2011-01-15 18:14:21 +00:00

2 Commits