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* Handle calls and invokes in GlobalStatus.Rafael Espindola2013-10-251-0/+37
| | | | | | | | | | | This patch teaches GlobalStatus to analyze a call that uses the global value as a callee, not as an argument. With this change internalize call handle the common use of linkonce_odr functions. This reduces the number of linkonce_odr functions in a LTO build of clang (checked with the emit-llvm gold plugin option) from 1730 to 60. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193436 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize more linkonce_odr values during LTO.Rafael Espindola2013-10-211-3/+9
| | | | | | | | | | | When a linkonce_odr value that is on the dso list is not unnamed_addr we can still look to see if anything is actually using its address. If not, it is safe to hide it. This patch implements that by moving GlobalStatus to Transforms/Utils and using it in Internalize. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193090 91177308-0d34-0410-b5e6-96231b3b80d8
* Optimize linkonce_odr unnamed_addr functions during LTO.Rafael Espindola2013-10-031-0/+10
| | | | | | | | | | | Generalize the API so we can distinguish symbols that are needed just for a DSO symbol table from those that are used from some native .o. The symbols that are only wanted for the dso symbol table can be dropped if llvm can prove every other dso has a copy (linkonce_odr) and the address is not important (unnamed_addr). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191922 91177308-0d34-0410-b5e6-96231b3b80d8
* Merge these 2 tests in a single file.Rafael Espindola2013-09-044-71/+50
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189975 91177308-0d34-0410-b5e6-96231b3b80d8
* [tests] Cleanup initialization of test suffixes.Daniel Dunbar2013-08-161-1/+0
| | | | | | | | | | | | | | | | | - Instead of setting the suffixes in a bunch of places, just set one master list in the top-level config. We now only modify the suffix list in a few suites that have one particular unique suffix (.ml, .mc, .yaml, .td, .py). - Aside from removing the need for a bunch of lit.local.cfg files, this enables 4 tests that were inadvertently being skipped (one in Transforms/BranchFolding, a .s file each in DebugInfo/AArch64 and CodeGen/PowerPC, and one in CodeGen/SI which is now failing and has been XFAILED). - This commit also fixes a bunch of config files to use config.root instead of older copy-pasted code. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188513 91177308-0d34-0410-b5e6-96231b3b80d8
* Respect llvm.used in Internalize.Rafael Espindola2013-07-251-0/+20
| | | | | | | | | | | | | | | The language reference says that: "If a symbol appears in the @llvm.used list, then the compiler, assembler, and linker are required to treat the symbol as if there is a reference to the symbol that it cannot see" Since even the linker cannot see the reference, we must assume that the reference can be using the symbol table. For example, a user can add __attribute__((used)) to a debug helper function like dump and use it from a debugger. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187103 91177308-0d34-0410-b5e6-96231b3b80d8
* Catch more CHECK that can be converted to CHECK-LABEL in Transforms for ↵Stephen Lin2013-07-142-18/+18
| | | | | | | | | | | | | | | | | | | | | | | easier debugging. No functionality change. This conversion was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)define\([^@]*\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3define\4@$FUNC(/g" $TEMP done mv $TEMP $NAME fi done git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186269 91177308-0d34-0410-b5e6-96231b3b80d8
* Change the internalize pass to internalize all symbols when given an emptyRafael Espindola2012-10-262-5/+6
| | | | | | | list of externals. This makes sense since a shared library with no symbols can still be useful if it has static constructors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166795 91177308-0d34-0410-b5e6-96231b3b80d8
* Port testcase to FileCheck.Rafael Espindola2012-10-261-13/+40
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166742 91177308-0d34-0410-b5e6-96231b3b80d8
* Replace all instances of dg.exp file with lit.local.cfg, since all tests are ↵Eli Bendersky2012-02-162-3/+1
| | | | | | | | | | | 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
* Add test for r127138.Rafael Espindola2011-03-071-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127172 91177308-0d34-0410-b5e6-96231b3b80d8
* Change tests from "opt %s" to "opt < %s" so that opt doesn't see theDan Gohman2009-09-112-6/+6
| | | | | | | | | 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
* Use opt -S instead of piping bitcode output through llvm-dis.Dan Gohman2009-09-082-6/+6
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81257 91177308-0d34-0410-b5e6-96231b3b80d8
* Change these tests to feed the assembly files to opt directly, insteadDan Gohman2009-09-082-6/+6
| | | | | | | 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
* Teach the internalize pass to also internalizeDuncan Sands2009-01-051-0/+10
| | | | | | | global aliases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61754 91177308-0d34-0410-b5e6-96231b3b80d8
* Let some more tests ignore expected output on stderr.Matthijs Kooijman2008-06-101-2/+2
| | | | | | | | | | Also, use > %t instead of -o %t for output in one test since that also works when %t already exists. This fixes 6 testcases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52178 91177308-0d34-0410-b5e6-96231b3b80d8
* sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif2008-05-201-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
* Rename the last test with .llx extension to .ll, resolve duplicate test by ↵Gabor Greif2008-05-201-1/+1
| | | | | | 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
* Simplify internalize pass. Add test case.Devang Patel2008-05-143-0/+32
Patch by Matthijs Kooijman! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51114 91177308-0d34-0410-b5e6-96231b3b80d8
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