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Commit Graph

9 Commits

Author SHA1 Message Date
Quentin Colombet
bb36556d97 Extend global merge pass to optionally consider global constant variables.
Also add some checks to not merge globals used within landing pad instructions or marked as "used".

llvm-svn: 177331
2013-03-18 22:30:07 +00:00
Eli Friedman
2d9e4aa665 Make GlobalMerge honor the preferred alignment on globals without an explicitly specified alignment.
<rdar://problem/10497732>.

llvm-svn: 145523
2011-11-30 21:54:15 +00:00
Devang Patel
2cea16e9bb Enable GlobalMerge on darwin.
llvm-svn: 128183
2011-03-23 23:34:19 +00:00
Devang Patel
3efe510847 XFAIL for all. These tests are darwin specific anyway.
llvm-svn: 127022
2011-03-04 19:38:10 +00:00
Devang Patel
23ee9fdba3 Disable ARMGlobalMerge on darwin. The debugger is not yet able to extract individual variable's info from merged global.
llvm-svn: 127019
2011-03-04 19:11:05 +00:00
Bob Wilson
a217a6e40b Change ARMGlobalMerge to keep BSS globals in separate pools.
This completes the fixes for Radar 8673120.

llvm-svn: 119566
2010-11-17 21:25:39 +00:00
Bob Wilson
819660b716 Fix ARMGlobalMerge pass to check if globals are entirely within range.
It is generally not sufficient to check if the starting offset is in range
of the maximum offset that can be efficiently used for the target.

llvm-svn: 119565
2010-11-17 21:25:36 +00:00
Bob Wilson
49bf8702f0 Change the symbol for merged globals from "merged" to "_MergedGlobals".
This makes it more clear that the symbol is an internal, compiler-generated
name and gives a little more description about its contents.

llvm-svn: 119564
2010-11-17 21:25:33 +00:00
Bob Wilson
fd7399b6a6 Fix the ARMGlobalMerge pass to look at variable sizes instead of pointer sizes.
It was mistakenly looking at the pointer type when checking for the size of
global variables.  This is a partial fix for Radar 8673120.

llvm-svn: 119563
2010-11-17 21:25:27 +00:00