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Author SHA1 Message Date
Chris Lattner
58b7b08ad7 Add SCCP support for constant folding calls, implementing: 
test/Regression/Transforms/SCCP/calltest.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12921 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:43:54 +00:00
Chris Lattner
3d78b23d24 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12920 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:43:33 +00:00
Chris Lattner
25b8390bf2 Add a simple call constant propagation interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12919 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:28:52 +00:00
Chris Lattner
a2631b0225 Add new interfaces 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12918 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:28:32 +00:00
Chris Lattner
4647b7cd69 Constant propagation should remove the dead instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12917 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:28:20 +00:00
Chris Lattner
cc713a343e New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12916 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:28:09 +00:00
Brian Gaeke
f66cdf8449 Regenerated using autoconf-2.57. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12915 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:03:49 +00:00
Brian Gaeke
bc7b85f856 Rewrite POV-Ray check as per PR301 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12914 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 19:02:51 +00:00
Chris Lattner
e8263c2c09 Increase buffer size again. *sigh* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12912 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:43:18 +00:00
Chris Lattner
1ae684a158 Don't index spiff. It should not count as lines of LLVM code 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12911 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:37:51 +00:00
Chris Lattner
422acf2674 Fixed sized limits are bad... duh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12908 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:34:16 +00:00
Chris Lattner
f7dd526fa6 Really spiff, don't chatter :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12907 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:33:21 +00:00
Brian Gaeke
ef8e48aae0 I don't think we have to have 4 extra allocated (but unused) bytes on the stack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12905 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:28:37 +00:00
Brian Gaeke
3d11e8a6d3 I started working on casts, but I don't have anything compilable yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12903 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:27:46 +00:00
Brian Gaeke
07b2c46ae3 Don't underline diffs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12902 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 18:24:01 +00:00
Chris Lattner
87e18deabc Emit the immediate form of in/out when possible. 
Fix several bugs in the intrinsics:
  1. Make sure to copy the input registers before the instructions that use them
  2. Make sure to copy the value returned by 'in' out of EAX into the register
     it is supposed to be in.

This fixes assertions when using in/out and linear scan.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12896 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 17:20:37 +00:00
Chris Lattner
440bbc257e Add immediate forms of in/out. Use let to shorten lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12895 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 17:19:31 +00:00
Chris Lattner
e47f4ff9f6 Add support for new instruction type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12894 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 17:18:51 +00:00
Chris Lattner
266538350a Add support for the printImplicitDefsBefore flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12893 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 17:18:39 +00:00
Chris Lattner
5deaa7a73d Make the testcase more challenging 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12892 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 17:18:07 +00:00
Chris Lattner
a990398102 Reenable library now that the loopsimplify bug is fixed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12891 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 16:24:53 +00:00
Chris Lattner
4b66242c54 Fix LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll 
LoopSimplify was not updating dominator frontiers correctly in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12890 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 16:23:25 +00:00
Chris Lattner
4acd51a1c1 New testcase where loop simplify is not updating domfrontiers correctly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12889 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 16:22:04 +00:00
Chris Lattner
1f62f82b05 Refactor code a bit to make it simpler and eliminate the goto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12888 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 15:21:18 +00:00
Chris Lattner
6491340bc1 Add notes about some of the code quality improvements that have gone in 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12887 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 14:43:35 +00:00
Chris Lattner
5d98f04ebe Temporary hack to get the nightly tester running 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12886 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 13:57:29 +00:00
John Criswell
a33f669ac8 Added Spiff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12885 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 13:42:38 +00:00
Chris Lattner
529b28da45 This patch addresses PR35: Loop simplify should reconstruct nested loops. 
This is fairly straight-forward, but was a real nightmare to get just
perfect.  aarg.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12884 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 05:05:33 +00:00
Brian Gaeke
cce5a349d9 Clean up the Spiff code so that it emits fewer warnings. This 
consists mostly of changing sloppy K&R C code to slightly more
disciplined K&R C code, and doing the usual things to shut gcc up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12877 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-13 03:24:45 +00:00
Brian Gaeke
401be2c18c Build Spiff directory 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12876 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 22:53:51 +00:00
Brian Gaeke
0df5f9fb7e Add the Spiff fp-aware diff utility from Bellcore 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12875 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 22:53:24 +00:00
Brian Gaeke
5f0b51547c We don't need to insert TargetData into the PassManager here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12874 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 21:46:31 +00:00
Chris Lattner
ee7e286997 new testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12873 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 20:59:07 +00:00
Alkis Evlogimenos
6e4d0d6546 Fix bug introduced in previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12872 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 20:26:39 +00:00
Chris Lattner
46758a894f Add some methods that are useful for updating loop information. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12871 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 20:26:17 +00:00
Alkis Evlogimenos
479f7e5e78 Update testcase to illustrate the coalescing problem. The previous one did not work because of a fix in the x86 instruction selector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12870 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 19:04:22 +00:00
Alkis Evlogimenos
43b61f724e Correctly compute spill weights 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12869 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 17:39:20 +00:00
John Criswell
f8d57a51ad Added testcase for the llvm.readport and llvm.writeport intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12868 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 16:42:43 +00:00
John Criswell
96db6fcb2e Corrected the descriptions of the llvm.writeport and llvm.writeio 
intrinsics.

Modified llvm.readio and llvm.writeio to use pointers to memory instead
of integers.  This should take care of problems such as different pointer
sizes, casting integers to pointers, weird architectural pointer types, etc.

Re-worded the description of llvm.readio and llvm.writeio so that it should
be more clear as to why they should be used over regular loads/stores for
I/O.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12867 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 16:33:19 +00:00
Alkis Evlogimenos
e633352fd5 Print def lists a bit more compactly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12866 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 15:57:58 +00:00
Alkis Evlogimenos
d1862af314 Add same value coalescing testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12865 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 15:40:25 +00:00
John Criswell
183402a788 Added initial design for the llvm.readio and llvm.writeio intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12864 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 15:02:16 +00:00
Chris Lattner
f9c455d3df Add a couple more IPO's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12863 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:38:15 +00:00
Chris Lattner
27829ec5ff finegrainify namespacification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12862 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:38:01 +00:00
Chris Lattner
ce1a3a292d Actually update the call graph as the inliner changes it. This allows us to 
execute other CallGraphSCCPasses after the inliner without crashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:37:29 +00:00
Chris Lattner
b81c021f14 Change the call graph class to have TWO external nodes, making call graph 
SCC passes much more useful.  In particular, this should fix the incredibly
stupid missed inlining opportunities that the inliner suffered from.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12860 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:36:32 +00:00
Chris Lattner
7512c08bfd Hrm, operator new and new[] do not belong here. We should not CSE them! :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12859 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:16:42 +00:00
Chris Lattner
1708d12916 Add support for removing invoke instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12858 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 05:15:13 +00:00
Chris Lattner
85eb157d96 Stop printing Function* 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12857 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 04:06:56 +00:00
Chris Lattner
d08ddd3300 Simplify code a bit, and be sure to mark the external node as potentially throwing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12856 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-04-12 04:06:38 +00:00