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Author SHA1 Message Date
Chris Lattner
e0156bd979 Factor a bunch of classes out into a public header 
llvm-svn: 12958
 2004-04-15 15:07:24 +00:00
Chris Lattner
0d220df227 Publically export all of these classes from the ScalarEvolutions.cpp file 
llvm-svn: 12957
 2004-04-15 15:06:59 +00:00
Chris Lattner
ff600e280d Unbreak the build 
llvm-svn: 12956
 2004-04-15 14:17:43 +00:00
Chris Lattner
276a6e102c Implement a FIXME: if we're going to insert a cast, we might as well only 
insert it once!

llvm-svn: 12955
 2004-04-14 22:01:22 +00:00
John Criswell
8a4525ae64 Remove code to adjust the iterator for llvm.readio and llvm.writeio. 
The iterator is pointing at the next instruction which should not disappear
when doing the load/store replacement.

llvm-svn: 12954
 2004-04-14 21:27:56 +00:00
Brian Gaeke
8e2fb33172 Fix typo. 
llvm-svn: 12953
 2004-04-14 21:21:56 +00:00
Chris Lattner
7f5e4b6d55 This is a trivial tweak to the addrec insertion code: insert the increment 
at the bottom of the loop instead of the top.  This reduces the number of
overlapping live ranges a lot, for example, eliminating a spill in an important
loop in 183.equake with linear scan.

I still need to make the exit comparison of the loop use the post-incremented
version of this variable, but this is an easy first step.

llvm-svn: 12952
 2004-04-14 21:11:25 +00:00
Brian Gaeke
2c02798e86 Add a TargetData to the PassManager regardless of the TargetMachine. 
This should unbreak the Sparc JIT again.

llvm-svn: 12949
 2004-04-14 17:45:52 +00:00
Brian Gaeke
cd21d1e40f Add a copy constructor for TargetData. 
llvm-svn: 12948
 2004-04-14 17:45:48 +00:00
Chris Lattner
6e00f5b3dc We are now on LLVM 1.3 
Make autoconf default to checking to look to see if our funny directory exists

llvm-svn: 12947
 2004-04-14 16:32:34 +00:00
Chris Lattner
36e43498f9 Regenerated 
llvm-svn: 12946
 2004-04-14 16:32:09 +00:00
John Criswell
bed6463449 Remove the return type check for llvm.readio. This check is done for all 
functions and is not needed here.
Simplify the pointer type check per Chris's suggestions.

llvm-svn: 12945
 2004-04-14 15:06:48 +00:00
John Criswell
e00ecd7e84 Added code to verify that llvm.readio's pointer argument returns something 
that matches its return type.

llvm-svn: 12944
 2004-04-14 14:49:36 +00:00
John Criswell
43d7449301 Test for memory mapped I/O intrinsics. 
llvm-svn: 12943
 2004-04-14 13:52:56 +00:00
John Criswell
11f7f60028 Finish adding the llvm.readio and llvm.writeio intrinsics. 
Sorry these didn't get in yesterday.

llvm-svn: 12942
 2004-04-14 13:46:52 +00:00
Chris Lattner
6fcf8c7402 ADd a trivial instcombine: load null -> null 
llvm-svn: 12940
 2004-04-14 03:28:36 +00:00
Chris Lattner
64431dbce7 This is the real fix for Codegen/X86/2004-04-13-FPCMOV-Crash.llx which works 
even when the "optimization" I added before is turned off.  It generates this
extremely pointless code:

test:
        fld QWORD PTR [%ESP + 4]
        mov %AL, 0
        test %AL, %AL
        fcmove %ST(0), %ST(0)
        ret

Good thing the optimizer will have removed this before code generation
anyway.  :)

llvm-svn: 12939
 2004-04-14 02:42:32 +00:00
Chris Lattner
ffd151e5a9 Temporarily hack in the intrinsics that John added. I expect him to finish up their addition, but in the meantime, the build should not be broken. 
llvm-svn: 12938
 2004-04-14 02:22:54 +00:00
John Criswell
94de925685 Added support for the llvm.readio and llvm.writeio intrinsics. 
On x86, memory operations occur in-order, so these are just lowered into
volatile loads and stores.

llvm-svn: 12936
 2004-04-13 22:13:14 +00:00
Chris Lattner
2ba048528f Implement a small optimization, which papers over the problem in 
X86/2004-04-13-FPCMOV-Crash.llx

A more robust fix is to follow.

llvm-svn: 12935
 2004-04-13 21:56:09 +00:00
Chris Lattner
6e48365ab9 Fix bug, add support for +/- 
llvm-svn: 12934
 2004-04-13 21:48:43 +00:00
Chris Lattner
197f2fcda2 new testcase that crashes the fp stackifier 
llvm-svn: 12932
 2004-04-13 21:44:54 +00:00
Chris Lattner
9dfaa1f6ba We actually don't have spiff anymore 
llvm-svn: 12929
 2004-04-13 20:59:47 +00:00
Chris Lattner
8b85738eb8 Out with spiff, in with fpcmp 
llvm-svn: 12928
 2004-04-13 20:59:24 +00:00
Chris Lattner
d5de2d698d Remove spiff. Though it looked good, it was not really as spiffy as it seemed 
llvm-svn: 12927
 2004-04-13 20:58:42 +00:00
Chris Lattner
5fc6c15a31 Okay, spiff is completely incapable of handling files of nontrivial size. 
Here is a simple minimal program that does what we want.  Instead of taking
minutes to compare mesa's output, and crashing on binary files (like spiff
does), this take < .02s in the common case and doesn't crash.

llvm-svn: 12926
 2004-04-13 20:55:49 +00:00
Chris Lattner
e83cd11f13 Add a note 
llvm-svn: 12922
 2004-04-13 19:48:55 +00:00
Chris Lattner
545e77c9d5 Add SCCP support for constant folding calls, implementing: 
test/Regression/Transforms/SCCP/calltest.ll

llvm-svn: 12921
 2004-04-13 19:43:54 +00:00
Chris Lattner
486436b5ad New testcase 
llvm-svn: 12920
 2004-04-13 19:43:33 +00:00
Chris Lattner
778f09027f Add a simple call constant propagation interface. 
llvm-svn: 12919
 2004-04-13 19:28:52 +00:00
Chris Lattner
2bf8038c69 Add new interfaces 
llvm-svn: 12918
 2004-04-13 19:28:32 +00:00
Chris Lattner
8c0e9c95e9 Constant propagation should remove the dead instructions 
llvm-svn: 12917
 2004-04-13 19:28:20 +00:00
Chris Lattner
344d15008a New testcase 
llvm-svn: 12916
 2004-04-13 19:28:09 +00:00
Brian Gaeke
c4bd98ab79 Regenerated using autoconf-2.57. 
llvm-svn: 12915
 2004-04-13 19:03:49 +00:00
Brian Gaeke
4d774ffc6d Rewrite POV-Ray check as per PR301 
llvm-svn: 12914
 2004-04-13 19:02:51 +00:00
Chris Lattner
7600e1a723 Increase buffer size again. *sigh* 
llvm-svn: 12912
 2004-04-13 18:43:18 +00:00
Chris Lattner
ca7062b1d9 Don't index spiff. It should not count as lines of LLVM code 
llvm-svn: 12911
 2004-04-13 18:37:51 +00:00
Chris Lattner
0b4b2331f6 Fixed sized limits are bad... duh. 
llvm-svn: 12908
 2004-04-13 18:34:16 +00:00
Chris Lattner
c0e932457f Really spiff, don't chatter :) 
llvm-svn: 12907
 2004-04-13 18:33:21 +00:00
Brian Gaeke
336b83623a I don't think we have to have 4 extra allocated (but unused) bytes on the stack. 
llvm-svn: 12905
 2004-04-13 18:28:37 +00:00
Brian Gaeke
6d8a362874 I started working on casts, but I don't have anything compilable yet. 
llvm-svn: 12903
 2004-04-13 18:27:46 +00:00
Brian Gaeke
27ab76dbcb Don't underline diffs 
llvm-svn: 12902
 2004-04-13 18:24:01 +00:00
Chris Lattner
8b6bc380e3 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.

llvm-svn: 12896
 2004-04-13 17:20:37 +00:00
Chris Lattner
15ac62827e Add immediate forms of in/out. Use let to shorten lines 
llvm-svn: 12895
 2004-04-13 17:19:31 +00:00
Chris Lattner
ecbade26d5 Add support for new instruction type 
llvm-svn: 12894
 2004-04-13 17:18:51 +00:00
Chris Lattner
e8e60bf45f Add support for the printImplicitDefsBefore flag 
llvm-svn: 12893
 2004-04-13 17:18:39 +00:00
Chris Lattner
b8987d93b7 Make the testcase more challenging 
llvm-svn: 12892
 2004-04-13 17:18:07 +00:00
Chris Lattner
c85541fa70 Reenable library now that the loopsimplify bug is fixed 
llvm-svn: 12891
 2004-04-13 16:24:53 +00:00
Chris Lattner
70f6a0ddcf Fix LoopSimplify/2004-04-13-LoopSimplifyUpdateDomFrontier.ll 
LoopSimplify was not updating dominator frontiers correctly in some cases.

llvm-svn: 12890
 2004-04-13 16:23:25 +00:00
Chris Lattner
7ad15c5ea7 New testcase where loop simplify is not updating domfrontiers correctly 
llvm-svn: 12889
 2004-04-13 16:22:04 +00:00