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Author SHA1 Message Date
Chris Lattner
3b3efc7797 Refactor code out of PropagatePredecessorsForPHIs, turning it into a pure function with no side-effects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22612 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:29:26 +00:00
Chris Lattner
d423b8b6ca use splice instead of remove/insert to avoid some symtab operations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22611 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:23:42 +00:00
Chris Lattner
2bdcb56146 move two functions up in the file, use SafeToMergeTerminators to eliminate 
some duplicated code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22610 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:19:45 +00:00
Chris Lattner
7e66348cba Rip some code out of the main SimplifyCFG function into a subfunction and 
call it from the only place it is live.  No functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22609 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:11:16 +00:00
Chris Lattner
d970ff025d This fails for now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22608 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 00:10:28 +00:00
Chris Lattner
17de414965 Disable this patch: 
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20050801/027345.html

This breaks real programs and only fixes an obscure regression testcase.  A
real fix is in development.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22606 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 23:31:38 +00:00
Chris Lattner
f5e982daa8 Change a place to use an arbitrary value instead of null, when possible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22605 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 23:29:23 +00:00
Chris Lattner
aed98fa886 If the user interrupts bugpoint, don't extract loops 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22603 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 23:25:56 +00:00
Chris Lattner
86c27eebc0 Add a note, people are responsible for requesting that they be added to the 
file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22602 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 22:10:21 +00:00
Chris Lattner
1d924f6070 Pass -export-dynamic to gcc when compiling with -native and the link is 
performed with -export-dynamic (aka. -disable-internalize).

Patch by Nicholas Riley!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22601 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 22:07:38 +00:00
Chris Lattner
e6ec587059 Fix the non-gcc 4.0 paths for countleadingzeros 
Patch fixed by Jim Laskey


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22598 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 20:21:33 +00:00
Chris Lattner
591083a5c7 Fix inverted conditionals 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22597 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 20:06:18 +00:00
Chris Lattner
9e17df80ca one more hunk that got dropped 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22596 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:35:29 +00:00
Chris Lattner
c0d590b6f2 This hunk accidentally got dropped. Patch by Jim Laskey 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22595 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:30:55 +00:00
Chris Lattner
0561b3ff9f Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22594 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:26:06 +00:00
Chris Lattner
3b65576527 Fix the non-gcc 4.0 path to compile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22593 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:21:51 +00:00
Chris Lattner
bcd7db59d0 Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22592 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:16:58 +00:00
Chris Lattner
88c606eb0c Consolidate all of the various log2 computing functions into MathExtras.h. 
Also, provide accelerated implementations when building with GCC.
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22591 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:15:30 +00:00
Chris Lattner
7dc934da2d Update a doc, patch contributed by Jim Laskey! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22590 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:14:25 +00:00
Chris Lattner
3f270130b5 add a pass name to make debugging dumps nicer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22588 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:07:49 +00:00
Misha Brukman
15d89cba85 Fix grammar: it's == "it is". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22587 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 16:04:59 +00:00
Chris Lattner
8105c76da4 Like the comment says, do not insert cast instructions before phi nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22586 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:31:14 +00:00
Jeff Cohen
64fe58490d It's dangerous coding on Mondays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22585 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:26:32 +00:00
Chris Lattner
1593ac259d This code was very close, but not quite right. It did not take into 
consideration the case where a reference in an unreachable block could
occur.  This fixes Transforms/SimplifyCFG/2005-08-01-PHIUpdateFail.ll,
something I ran into while bugpoint'ing another pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22584 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:24:05 +00:00
Chris Lattner
1bc0f735c9 New testcase that caused simplifycfg to crash 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22583 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:23:03 +00:00
Jeff Cohen
ee841a1a87 Implement SetInterruptFunction for Windows. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22582 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 03:04:47 +00:00
Chris Lattner
7e608bbb5d add a comment, make a check more lenient 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22581 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:52:02 +00:00
Chris Lattner
e9100c69cb Simplify for loop, clear a per-loop map after processing each loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22580 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:44:31 +00:00
Chris Lattner
f9aaae06cd When the user hits ctrl-c, bugpoint should attempt to stop reduction as 
quickly as possible and output what it has so far.  If they hit it twice,
bugpoint is killed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22579 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:16:17 +00:00
Chris Lattner
fa8c292ebd Implement sys::SetInterruptFunction on Unix, stub it on win32 so that the 
build will not fail


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22578 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:14:22 +00:00
Chris Lattner
e62321ac41 add a new function proto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22577 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 02:13:42 +00:00
Chris Lattner
07cd0ff298 Add a comment 
Make LSR ignore GEP's that have loop variant base values, as we currently
cannot codegen them


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22576 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 01:32:29 +00:00
Chris Lattner
1060e09fb2 Fix an iterator invalidation problem 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22575 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 00:41:11 +00:00
Chris Lattner
8dcd5483bc 200.sixtrack prints FP numbers with a very strange notation that uses D 
instead of E for exponentials (e.g. 1.234D-43).  Add support for this
notation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22574 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 00:11:53 +00:00
Chris Lattner
e96e376833 make is the standard name, not gmake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22573 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 00:10:52 +00:00
Chris Lattner
e84d2066ce Mark these as V9 specific 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22572 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 20:38:31 +00:00
Andrew Lenharth
5bca0da936 update function codes to reflect /su flags that have been added since this was written 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22571 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 20:06:01 +00:00
Chris Lattner
e21c305ed8 Fix casts from long to sbyte on ppc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22570 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 18:16:37 +00:00
Andrew Lenharth
01c8f6e452 use llabs not abs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22569 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 17:47:28 +00:00
Andrew Lenharth
2b3b89c28e one cannot allocate a global, until one is done initializing the global pointers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22568 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 17:35:40 +00:00
Chris Lattner
88aad145a5 temporarily fail these two tests until LSR evolves to support them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22567 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 17:10:50 +00:00
Chris Lattner
9cc5f42feb ConstantInt::get only works for arguments < 128. 
SimplifyLibCalls probably has to be audited to make sure it does not make
this mistake elsewhere.  Also, if this code knows that the type will be
unsigned, obviously one arm of this is dead.

Reid, can you take a look into this further?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22566 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 16:52:50 +00:00
Jeff Cohen
d29b6aa608 Keep tabs and trailing spaces out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22565 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 18:33:25 +00:00
Jeff Cohen
cfb1d4235f Fix VC++ build problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22564 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 18:22:27 +00:00
Chris Lattner
f20d183c22 fix float->long conversions on x86 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22563 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 01:40:57 +00:00
Chris Lattner
c3f9dc198d this tests every fp-to-integer conversion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22562 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 01:33:38 +00:00
Chris Lattner
a88da08c6e fix a typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22561 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:43:00 +00:00
Nate Begeman
f84d5ab5df Ack, typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22560 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:21:31 +00:00
Chris Lattner
a35e1dfd12 Change the fp to integer code to not perform 2-byte stores followed by 
1 byte loads and other operations.  This is bad for store-forwarding on
common CPUs.  We now do this:

fnstcw WORD PTR [%ESP]
mov %AX, WORD PTR [%ESP]

instead of:

fnstcw WORD PTR [%ESP]
mov %AL, BYTE PTR [%ESP + 1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22559 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:17:52 +00:00
Nate Begeman
1699748567 Commit a new LoopStrengthReduce pass that can use scalar evolutions and 
target data to decide which loop induction variables to strength reduce
and how to do so.  This work is mostly by Chris Lattner, with tweaks by
me to get it working on some of MultiSource.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22558 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:15:07 +00:00