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45 Commits

Author SHA1 Message Date
Eli Bendersky
4afdeeb682 Replace all instances of dg.exp file with lit.local.cfg, since all tests are 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.

llvm-svn: 150664
 2012-02-16 06:28:33 +00:00
Chris Lattner
9d1e8420ff Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 
llvm-svn: 145171
 2011-11-27 06:54:59 +00:00
Bill Wendling
584c5f9c62 Correct over-zealous removal of hack. 
Some code want to check that *any* call within a function has the 'returns
twice' attribute, not just that the current function has one.

llvm-svn: 142221
 2011-10-17 18:43:40 +00:00
Bill Wendling
c5372de48f Temporarily XFAIL waiting for a fix. 
llvm-svn: 142215
 2011-10-17 18:25:32 +00:00
Rafael Espindola
8247f7a5dd Check for the returns_twice attribute in callsFunctionThatReturnsTwice. This 
fixes PR11038, but there are still some cleanups to be done.

llvm-svn: 141204
 2011-10-05 20:05:13 +00:00
Rafael Espindola
4700f53cee Add the returns_twice attribute to LLVM. 
llvm-svn: 141001
 2011-10-03 14:45:37 +00:00
Bill Wendling
f1c054eace Replace uses of unwind with unreachable for the same effect. 
llvm-svn: 140077
 2011-09-19 22:16:15 +00:00
Bill Wendling
145872a92c Try to eliminate the use of the 'unwind' instruction. 
llvm-svn: 139046
 2011-09-02 22:41:11 +00:00
Chris Lattner
0899957b99 make the asmparser reject function and type redefinitions. 'Merging' hasn't been 
needed since llvm-gcc 3.4 days.

llvm-svn: 133248
 2011-06-17 07:06:44 +00:00
Rafael Espindola
113d944ce4 Don't do tail calls in a function that call setjmp. The stack might be 
corrupted when setjmp returns again.

llvm-svn: 131399
 2011-05-16 03:05:33 +00:00
Evan Cheng
20433f6339 Add a test for TCE return duplication. 
llvm-svn: 124527
 2011-01-29 04:53:35 +00:00
Chris Lattner
98902c15fa merge two tests. 
llvm-svn: 112617
 2010-08-31 18:44:03 +00:00
Chris Lattner
8535204036 merge two tests and convert to filecheck. 
llvm-svn: 112613
 2010-08-31 18:05:08 +00:00
Duncan Sands
8864383748 Handle the case of a tail recursion in which the tail call is followed 
by a return that returns a constant, while elsewhere in the function
another return instruction returns a different constant.  This is a
special case of accumulator recursion, so just generalize the existing
logic a bit.

llvm-svn: 108241
 2010-07-13 15:41:41 +00:00
Duncan Sands
68f39e00a4 Fix PR7328: when turning a tail recursion into a loop, need to preserve 
the returned value after the tail call if it differs from other return
values.  The optimal thing to do would be to introduce a phi node for
the return value, but for the moment just fix the miscompile.

llvm-svn: 106947
 2010-06-26 12:53:31 +00:00
Dan Gohman
f0457a82fa Refine the detection of seemingly infinitely recursive calls where the 
callee is expected to be expanded to something else by codegen, so that
normal infinitely recursive calls are still transformed.

llvm-svn: 101468
 2010-04-16 15:57:50 +00:00
Evan Cheng
e273e42195 Revert 94937 and move the noreturn check to codegen. 
llvm-svn: 95198
 2010-02-03 03:55:59 +00:00
Evan Cheng
c2f3c20680 Do not mark no-return calls tail calls. It'll screw up special calls like longjmp and it doesn't make much sense for performance reason. If my logic is faulty, please let me know. 
llvm-svn: 94937
 2010-01-31 00:59:31 +00:00
Dan Gohman
5fa04f2707 Delete useless trailing semicolons. 
llvm-svn: 92740
 2010-01-05 17:55:26 +00:00
Nick Lewycky
2b3ac2b1a7 Improve tail call elimination to handle the switch statement. 
llvm-svn: 86403
 2009-11-07 21:10:15 +00:00
Nick Lewycky
f49c373c13 Oops, FunctionContainsEscapingAllocas is really used to mean two different 
things. Back out part of r86349 for a moment.

llvm-svn: 86353
 2009-11-07 07:42:38 +00:00
Nick Lewycky
a2b0965613 Dust off tail recursion elimination. Fix a fixme by applying CaptureTracking 
and add a .ll to demo the new capability.

llvm-svn: 86349
 2009-11-07 07:10:01 +00:00
Dan Gohman
f2c290dfa6 Convert more tests to avoid llvm-as. 
llvm-svn: 81545
 2009-09-11 18:36:27 +00:00
Dan Gohman
c9307490ce Eliminate more redundant llvm-as calls. 
llvm-svn: 81540
 2009-09-11 18:17:12 +00:00
Dan Gohman
205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the 
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.

llvm-svn: 81537
 2009-09-11 18:01:28 +00:00
Dan Gohman
c95df8b6d8 Use opt -S instead of piping bitcode output through llvm-dis. 
llvm-svn: 81257
 2009-09-08 22:34:10 +00:00
Dan Gohman
8d84372836 Change these tests to feed the assembly files to opt directly, instead 
of using llvm-as, now that opt supports this.

llvm-svn: 81226
 2009-09-08 16:50:01 +00:00
Chris Lattner
0ebc0d1c4a tweak test, add PR# 
llvm-svn: 81158
 2009-09-07 22:14:41 +00:00
Daniel Dunbar
a953c39b9e Eliminate uses of %prcontext. 
- I'd appreciate it if someone else eyeballs my changes to make sure I captured
   the intent of the test.

llvm-svn: 81083
 2009-09-05 11:35:16 +00:00
Chris Lattner
8ddc06469c Improve tail call elim to move loads above readonly calls 
when it allows forming a tail call.  Patch by Frits van
Bommel.  This implements PR4323.

llvm-svn: 73752
 2009-06-19 04:22:16 +00:00
Gabor Greif
807c2df887 sabre brings to my attention that the 'tr' suffix is also obsolete 
llvm-svn: 51349
 2008-05-20 21:00:03 +00:00
Gabor Greif
d8a4dbb5da Rename the last test with .llx extension to .ll, resolve duplicate test by renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. 
llvm-svn: 51328
 2008-05-20 19:52:04 +00:00
Tanya Lattner
8ac346c316 Remove llvm-upgrade and update tests. 
llvm-svn: 48137
 2008-03-10 07:21:50 +00:00
Chris Lattner
fe8bd8b113 remove obsolete testcase 
llvm-svn: 41820
 2007-09-10 23:51:41 +00:00
Dale Johannesen
e017870ae6 Add missing llvm-dis. 
llvm-svn: 41813
 2007-09-10 22:47:59 +00:00
Chris Lattner
ab8aa7d61a Prevent tailcallelim from breaking "recursive" calls to builtins. 
llvm-svn: 41804
 2007-09-10 20:58:55 +00:00
John Criswell
57e5ed4b5a Convert .cvsignore files 
llvm-svn: 37801
 2007-06-29 16:35:07 +00:00
Chris Lattner
54321459c0 move these xfailed tests to lib/Target/README.txt 
llvm-svn: 36805
 2007-05-05 22:28:33 +00:00
Reid Spencer
df17fa8ef9 For PR1319: 
Remove && from the end of the lines to prevent tests from throwing run
lines into the background. Also, clean up places where the same command
is run multiple times by using a temporary file.

llvm-svn: 36142
 2007-04-16 17:36:08 +00:00
Reid Spencer
d93b834b52 For PR1319: 
Fix test syntax per new rules.

llvm-svn: 36133
 2007-04-16 15:15:52 +00:00
Reid Spencer
f4bc35acf6 Use %prcontext, $prcontext is not resolving for some reason. 
llvm-svn: 36054
 2007-04-15 06:52:45 +00:00
Reid Spencer
6c9e52ce08 For PR1319: 
Conver to new test system.

llvm-svn: 36045
 2007-04-15 05:03:58 +00:00
Reid Spencer
56b310ae49 Make the llvm-runtest function much more amenable by eliminating all the 
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.

llvm-svn: 35918
 2007-04-11 19:56:59 +00:00
Reid Spencer
6a31ec1259 For PR761: 
Remove "target endian/pointersize" or add "target datalayout" to make
the test parse properly or set the datalayout because defaults changes.

For PR645:
Make global names use the @ prefix.

For llvm-upgrade changes:
Fix test cases or completely remove use of llvm-upgrade for test cases
that cannot survive the new renaming or upgrade capabilities.

llvm-svn: 33533
 2007-01-26 08:25:06 +00:00
Reid Spencer
4572ce85b0 Regression is gone, don't try to find it on clean target. 
llvm-svn: 33296
 2007-01-17 07:59:14 +00:00