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2013-05-06Fix const merging when an alias of a const is llvm.used.Rafael Espindola
We used to disable constant merging not only if a constant is llvm.used, but also if an alias of a constant is llvm.used. This change fixes that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181175 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-30Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ↵Dmitri Gribenko
ModuleID This is done to avoid odd test failures, like the one fixed in r171243. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-16Replace all instances of dg.exp file with lit.local.cfg, since all tests are ↵Eli Bendersky
run with LIT now and now Dejagnu. dg.exp is no longer needed. Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-11If the global variable is removed by the linker, then don't constant merge itBill Wendling
with other symbols. An object in the __cfstring section is suppoed to be filled with CFString objects, which have a pointer to ___CFConstantStringClassReference followed by a pointer to a __cstring. If we allow the object in the __cstring section to be merged with another global, then it could end up in any section. Because the linker is going to remove these symbols in the final executable, we shouldn't bother to merge them. <rdar://problem/10564621> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147899 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Teach the ConstantMerge pass about alignment. Fixes PR10514!Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136250 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16Don't merge two constants if we care about the address of both.Rafael Espindola
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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123584 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-15Make constmerge a two-pass algorithm so that it won't miss mergingNick Lewycky
opporuntities. Fixes PR8978. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123541 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-15fix PR8144, a bug where constant merge would merge globals markedChris Lattner
attribute(used). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113911 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-121. modernize the constantmerge pass, using densemap/smallvector.Chris Lattner
2. don't bother trying to merge globals in non-default sections, doing so is quite dubious at best anyway. 3. fix a bug reported by Arnaud de Grandmaison where we'd try to merge two globals in different address spaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95995 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-12rename testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08Use opt -S instead of piping bitcode output through llvm-dis.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81257 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-08Change these tests to feed the assembly files to opt directly, insteadDan Gohman
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-05Eliminate uses of %prcontext.Daniel Dunbar
- I'd appreciate it if someone else eyeballs my changes to make sure I captured the intent of the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81083 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-20sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-20Rename the last test with .llx extension to .ll, resolve duplicate test by ↵Gabor Greif
renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-01Remove llvm-upgrade and update test cases.Tanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47793 91177308-0d34-0410-b5e6-96231b3b80d8
2007-06-29Convert .cvsignore filesJohn Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37801 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-15For PR1319:Reid Spencer
Upgrade to use new Tcl exec based test harness git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36055 91177308-0d34-0410-b5e6-96231b3b80d8
2007-04-11Make the llvm-runtest function much more amenable by eliminating all theReid Spencer
global variables that needed to be passed in. This makes it possible to add new global variables with only a couple changes (Makefile and llvm-dg.exp) instead of touching every single dg.exp file. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35918 91177308-0d34-0410-b5e6-96231b3b80d8
2006-12-02Use the llvm-upgrade program to upgrade llvm assembly.Reid Spencer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32115 91177308-0d34-0410-b5e6-96231b3b80d8
2006-11-23Promote GEP ubyte indices to uint. Backwards compatibility for 1.2 andReid Spencer
older features will be dropped soon and these test cases must not rely on the upgrade capability. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31896 91177308-0d34-0410-b5e6-96231b3b80d8
2006-04-12Added the ability to xfail based on llvmgcc versionTanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27635 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-23Tired of wading through cvs's list ? files that are generated when buildingReid Spencer
with srcdir = objdir to see what's okay and what's cruft. So, in goes a bunch of .cvsignore files to shut cvs up about known output from running "make check". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27009 91177308-0d34-0410-b5e6-96231b3b80d8
2006-03-07new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26596 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-19Adding srcdir argTanya Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18020 91177308-0d34-0410-b5e6-96231b3b80d8
2004-11-13Adding subdirectory dg.exp files in order to be able to use dejagnu to only ↵Tanya Lattner
run specific tests (located in some subdirectory of Regression) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17712 91177308-0d34-0410-b5e6-96231b3b80d8
2004-08-02Use the new prcontext script.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15427 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-19Improve test portabilityChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10087 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-29New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9578 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-16Renamed `as' => `llvm-as', `dis' => `llvm-dis', `link' => `llvm-link'.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8558 91177308-0d34-0410-b5e6-96231b3b80d8
2003-09-15Removing Makefiles. Regression tests are now run by QMTest.John Criswell
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8548 91177308-0d34-0410-b5e6-96231b3b80d8
2002-09-23New testcase distilled from SPEC vortex benchmarkChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3894 91177308-0d34-0410-b5e6-96231b3b80d8
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