Quentin Colombet
bb36556d97
Extend global merge pass to optionally consider global constant variables.
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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.
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<rdar://problem/10497732>.
llvm-svn: 145523
2011-11-30 21:54:15 +00:00
Devang Patel
2cea16e9bb
Enable GlobalMerge on darwin.
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llvm-svn: 128183
2011-03-23 23:34:19 +00:00
Devang Patel
3efe510847
XFAIL for all. These tests are darwin specific anyway.
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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.
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llvm-svn: 127019
2011-03-04 19:11:05 +00:00
Bob Wilson
a217a6e40b
Change ARMGlobalMerge to keep BSS globals in separate pools.
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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.
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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".
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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.
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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
