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3739 Commits

Author SHA1 Message Date
Eli Friedman
d102a03b36 PR10987: add a missed safety check to isSafePHIToSpeculate in scalarrepl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140327 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-22 18:56:30 +00:00
Eli Friedman
79782fc864 Make sure IPSCCP never marks a tracked call as overdefined in SCCPSolver::ResolvedUndefsIn. If we do, we can end up in a situation where a function is resolved to return a constant, but the caller is marked overdefined, which confuses the code later. 
<rdar://problem/9956541> (again).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140210 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-20 23:28:51 +00:00
Bill Wendling
e3039de722 Update this test to the new EH model. 
Though I think it may be obsolete with the loop extract changes. And I couldn't
get the old version of LLVM to compile so that I could reduce this testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-20 22:29:43 +00:00
Bill Wendling
9914f4a1f2 Update to new EH model. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140177 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-20 20:21:16 +00:00
Bill Wendling
9ead2c0609 Update to the new EH syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140103 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 23:50:34 +00:00
Bill Wendling
0b9a90932d Dramatically reduce this testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140101 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 23:47:06 +00:00
Bill Wendling
a846585050 Revert r140083 and r140084 until buildbots can be fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140094 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 23:30:41 +00:00
Bill Wendling
39b4166d85 Update test to remove the 'unwind' instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140084 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 23:01:11 +00:00
Bill Wendling
463158fdb8 Replace uses of unwind with unreachable for the same effect. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140077 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 22:16:15 +00:00
Bill Wendling
803c9d33be Replace more uses of 'unwind' in the tests with calls to landingpad and 
resume. Note that some of these tests were basically dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140076 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 22:11:35 +00:00
Eli Friedman
c6b8ba8673 Fix an infinite loop where a transform in InstCombiner::visitAnd claims a construct is changed when it is not. (See included testcase.) 
Patch by Xiaoyi Guo.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140072 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 21:58:15 +00:00
Bill Wendling
f2d15db05b This testcase is dead. It doesn't inline even if I add the 'alwaysinline' 
attribute to the @foo function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140067 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 21:14:33 +00:00
Andrew Trick
24f48ece52 [indvars] Fix PR10946: SCEV cannot handle Vector IVs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140026 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-19 17:54:39 +00:00
Andrew Trick
b0598b14aa Reapply r139759. Disable IV rewriting by default. See PR10916. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139842 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 20:58:37 +00:00
Eli Friedman
c82751dd67 Make demanded-elt simplification for shufflevector slightly stronger. Spotted by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139768 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 01:14:29 +00:00
Dan Gohman
211048286b objc_retainBlock is not NoModRef because it can update forwarding pointers 
in memory relevant to the optimizer. rdar://10050579.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139708 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 18:13:00 +00:00
Andrew Trick
effb647154 [indvars] Revert r139579 until 401.bzip -arch i386 miscompilation is fixed. PR10920. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139583 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 05:23:49 +00:00
Andrew Trick
dd9d758a31 Disable IV rewriting by default. See PR10916. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139579 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 03:23:21 +00:00
Andrew Trick
603fff3968 Generalize test case to handle multiple indvars modes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139578 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 03:17:25 +00:00
Andrew Trick
94f2c23d24 [indvars] Fix bugs in floating point IV range checks noticed by inspection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139574 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 01:59:32 +00:00
Andrew Trick
857ad229be Conditionalize indvars test that relies on SCEV expansion of geps, 
which is only relevant with canonical IVs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139556 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 23:13:57 +00:00
Andrew Trick
27cea8e34b indvars test only relevant for -enable-iv-rewrite. 
Otherwise this case is now covered by no-iv-rewrite.ll.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 22:59:00 +00:00
Andrew Trick
26e5285f9f Conditionalize indvars tests that rely on SCEV expansion of geps, 
which is relevant with canonical IVs. Anything else being checked by
these tests is already covered by early CSE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139535 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 20:26:34 +00:00
Andrew Trick
29da5e6855 Removing indvars tests that directly test canonical IVs and nothing else. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 18:33:08 +00:00
Andrew Trick
f21bdf4f42 Rename -disable-iv-rewrite to -enable-iv-rewrite=false in preparation for default change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 18:28:44 +00:00
Andrew Trick
8f7ca5d98e Test case for r139453, WidenIV::GetExtendedOperandRecurrence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 17:20:57 +00:00
Duncan Sands
73c8415d90 Mark the eh.typeid.for intrinsic as being 'const', which it is inside 
any given function.  As pointed out by John McCall, this is needed to
have redundant eh.typeid.for tests be eliminated in the presence of
cleanups.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139360 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-09 07:50:37 +00:00
Duncan Sands
758ba1f4ed When inlining exception handling code into another function, ensure that 
duplicate tests are eliminated (for example if the two functions both have
a catch clause catching the same type, ensure the redundant one is removed).
Note that it would probably be safe to say that eh.typeid.for is 'const',
but since two calls to it with the same argument can give different results
(but only if the calls are in different functions), it seems more correct to
mark it only 'pure'; this doesn't get in the way of the optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139236 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 16:44:14 +00:00
Duncan Sands
e8e721f0c2 Forgot to add this trampoline testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139229 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-07 09:21:38 +00:00
Owen Anderson
81856f7313 Try again at r138809 (make DSE more aggressive in removing dead stores at the end of a function), now with less deleting stores before memcpy's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139150 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-06 18:14:09 +00:00
Duncan Sands
4a544a79bd Split the init.trampoline intrinsic, which currently combines GCC's 
init.trampoline and adjust.trampoline intrinsics, into two intrinsics
like in GCC.  While having one combined intrinsic is tempting, it is
not natural because typically the trampoline initialization needs to
be done in one function, and the result of adjust trampoline is needed
in a different (nested) function.  To get around this llvm-gcc hacks the
nested function lowering code to insert an additional parent variable
holding the adjust.trampoline result that can be accessed from the child
function.  Dragonegg doesn't have the luxury of tweaking GCC code, so it
stored the result of adjust.trampoline in the memory GCC set aside for
the trampoline itself (this is always available in the child function),
and set up some new memory (using an alloca) to hold the trampoline.
Unfortunately this breaks Go which allocates trampoline memory on the
heap and wants to use it even after the parent has exited (!).  Rather
than doing even more hacks to get Go working, it seemed best to just use
two intrinsics like in GCC.  Patch mostly by Sanjoy Das.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139140 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-06 13:37:06 +00:00
Benjamin Kramer
ae707bd559 InstSimplify: Don't try to replace an extractvalue/insertvalue pair with the original value if types don't match. 
Fixes clang selfhost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139120 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-05 18:16:19 +00:00
Duncan Sands
ad99ef8bf5 Delete trivial landing pads that just continue unwinding the caught 
exception.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139117 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-05 12:57:57 +00:00
Duncan Sands
dabc280672 Add some simple insertvalue simplifications, for the purpose of cleaning 
up do-nothing exception handling code produced by dragonegg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139113 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-05 06:52:48 +00:00
Bill Wendling
47e208bbea Try to eliminate the use of the 'unwind' instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139046 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:41:11 +00:00
Andrew Trick
6984625d16 Test case update for unroll-scev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:21:03 +00:00
Jakub Staszak
9469d5cf48 Extra CHECK-NOT to make sure that GVN transform works properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139012 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:40:39 +00:00
Andrew Trick
dc07321164 -unroll-scev flag removal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:36:14 +00:00
Jakub Staszak
4c6b8bee2a ConstantVector returns arbitrary value for the wrong index. 
This fixes PR10813.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139006 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 15:43:43 +00:00
Jakub Staszak
8cec759339 Compare type size instead of type _store_ size to make sure that BitCastInst 
will be valid. This fixes PR10820.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139005 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 14:57:37 +00:00
Bill Wendling
b0b9a67f98 Update to new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138989 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 01:25:11 +00:00
Eli Friedman
770e16fe17 Fix test; sorry for any inconvenience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138966 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:25:42 +00:00
Eli Friedman
86b5db8c01 Fix an issue with the IR sink pass found by inspection. (I'm not sure anyone is actually using this, but might as well fix it since I found the issue.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138965 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:21:24 +00:00
Eli Friedman
89e0f4b5b0 Add missing newline. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138964 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:20:11 +00:00
Bill Wendling
00c30d58a5 Update to new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138933 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 01:28:25 +00:00
Bill Wendling
65088e7d96 Update to new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138928 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 01:08:21 +00:00
Bill Wendling
15db556b56 Update to new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138927 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 01:02:41 +00:00
Bill Wendling
aeaa9a8b25 Update some tests to the new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138925 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 00:58:03 +00:00
Bill Wendling
b5d92d83b4 Reenable test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138916 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 23:08:05 +00:00
Bill Wendling
3b5e99d79e Revert accidental commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138915 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-31 23:07:46 +00:00