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19402 Commits

Author SHA1 Message Date
Chris Lattner 76dc204488 move two functions up in the file, use SafeToMergeTerminators to eliminate 
some duplicated code

llvm-svn: 22610
 2005-08-03 00:19:45 +00:00
Chris Lattner 733d6704ce 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.

llvm-svn: 22609
 2005-08-03 00:11:16 +00:00
Chris Lattner e972403215 This fails for now 
llvm-svn: 22608
 2005-08-03 00:10:28 +00:00
Chris Lattner ac594de8dc 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.

llvm-svn: 22606
 2005-08-02 23:31:38 +00:00
Chris Lattner eee90f7eb4 Change a place to use an arbitrary value instead of null, when possible 
llvm-svn: 22605
 2005-08-02 23:29:23 +00:00
Chris Lattner bd615f518c If the user interrupts bugpoint, don't extract loops 
llvm-svn: 22603
 2005-08-02 23:25:56 +00:00
Chris Lattner 68095d7722 Add a note, people are responsible for requesting that they be added to the 
file.

llvm-svn: 22602
 2005-08-02 22:10:21 +00:00
Chris Lattner ab08df9699 Pass -export-dynamic to gcc when compiling with -native and the link is 
performed with -export-dynamic (aka. -disable-internalize).

Patch by Nicholas Riley!

llvm-svn: 22601
 2005-08-02 22:07:38 +00:00
Chris Lattner 0caa43492f Fix the non-gcc 4.0 paths for countleadingzeros 
Patch fixed by Jim Laskey

llvm-svn: 22598
 2005-08-02 20:21:33 +00:00
Chris Lattner fba2e9c8f9 Fix inverted conditionals 
llvm-svn: 22597
 2005-08-02 20:06:18 +00:00
Chris Lattner 80e038c148 one more hunk that got dropped 
llvm-svn: 22596
 2005-08-02 19:35:29 +00:00
Chris Lattner 989d8bbda9 This hunk accidentally got dropped. Patch by Jim Laskey 
llvm-svn: 22595
 2005-08-02 19:30:55 +00:00
Chris Lattner 6667bdbaca Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!

llvm-svn: 22594
 2005-08-02 19:26:06 +00:00
Chris Lattner 44060e0871 Fix the non-gcc 4.0 path to compile 
llvm-svn: 22593
 2005-08-02 19:21:51 +00:00
Chris Lattner 22d00a8e90 Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!

llvm-svn: 22592
 2005-08-02 19:16:58 +00:00
Chris Lattner e1d60c39aa Consolidate all of the various log2 computing functions into MathExtras.h. 
Also, provide accelerated implementations when building with GCC.
Patch contributed by Jim Laskey!

llvm-svn: 22591
 2005-08-02 19:15:30 +00:00
Chris Lattner 25865406f0 Update a doc, patch contributed by Jim Laskey! 
llvm-svn: 22590
 2005-08-02 19:14:25 +00:00
Chris Lattner c98d48fabe add a pass name to make debugging dumps nicer 
llvm-svn: 22588
 2005-08-02 19:07:49 +00:00
Misha Brukman c9076e0acf Fix grammar: it's == "it is". 
llvm-svn: 22587
 2005-08-02 16:04:59 +00:00
Chris Lattner 351b891cbc Like the comment says, do not insert cast instructions before phi nodes 
llvm-svn: 22586
 2005-08-02 03:31:14 +00:00
Jeff Cohen 9aafa06bef It's dangerous coding on Mondays. 
llvm-svn: 22585
 2005-08-02 03:26:32 +00:00
Chris Lattner 4fd3e16cbd 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.

llvm-svn: 22584
 2005-08-02 03:24:05 +00:00
Chris Lattner 8530d6d0af New testcase that caused simplifycfg to crash 
llvm-svn: 22583
 2005-08-02 03:23:03 +00:00
Jeff Cohen ba7cc68594 Implement SetInterruptFunction for Windows. 
llvm-svn: 22582
 2005-08-02 03:04:47 +00:00
Chris Lattner 75a44e154e add a comment, make a check more lenient 
llvm-svn: 22581
 2005-08-02 02:52:02 +00:00
Chris Lattner dcce49e006 Simplify for loop, clear a per-loop map after processing each loop 
llvm-svn: 22580
 2005-08-02 02:44:31 +00:00
Chris Lattner beb01faea3 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.

llvm-svn: 22579
 2005-08-02 02:16:17 +00:00
Chris Lattner 6a5d6ecd09 Implement sys::SetInterruptFunction on Unix, stub it on win32 so that the 
build will not fail

llvm-svn: 22578
 2005-08-02 02:14:22 +00:00
Chris Lattner a429d00757 add a new function proto 
llvm-svn: 22577
 2005-08-02 02:13:42 +00:00
Chris Lattner 9ef1294210 Add a comment 
Make LSR ignore GEP's that have loop variant base values, as we currently
cannot codegen them

llvm-svn: 22576
 2005-08-02 01:32:29 +00:00
Chris Lattner 564900e5e5 Fix an iterator invalidation problem 
llvm-svn: 22575
 2005-08-02 00:41:11 +00:00
Chris Lattner fca31aee4f 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.

llvm-svn: 22574
 2005-08-02 00:11:53 +00:00
Chris Lattner b30c947ceb make is the standard name, not gmake 
llvm-svn: 22573
 2005-08-02 00:10:52 +00:00
Chris Lattner 0545ae9ca4 Mark these as V9 specific 
llvm-svn: 22572
 2005-08-01 20:38:31 +00:00
Andrew Lenharth ae97fff758 update function codes to reflect /su flags that have been added since this was written 
llvm-svn: 22571
 2005-08-01 20:06:01 +00:00
Chris Lattner 4398daf069 Fix casts from long to sbyte on ppc 
llvm-svn: 22570
 2005-08-01 18:16:37 +00:00
Andrew Lenharth 33bbf15147 use llabs not abs 
llvm-svn: 22569
 2005-08-01 17:47:28 +00:00
Andrew Lenharth 27f1e26db7 one cannot allocate a global, until one is done initializing the global pointers 
llvm-svn: 22568
 2005-08-01 17:35:40 +00:00
Chris Lattner 8a3d007d75 temporarily fail these two tests until LSR evolves to support them 
llvm-svn: 22567
 2005-08-01 17:10:50 +00:00
Chris Lattner e17c5d0e59 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?

llvm-svn: 22566
 2005-08-01 16:52:50 +00:00
Jeff Cohen 546fd5944e Keep tabs and trailing spaces out. 
llvm-svn: 22565
 2005-07-30 18:33:25 +00:00
Jeff Cohen c500991055 Fix VC++ build problems. 
llvm-svn: 22564
 2005-07-30 18:22:27 +00:00
Chris Lattner 941d84a34d fix float->long conversions on x86 
llvm-svn: 22563
 2005-07-30 01:40:57 +00:00
Chris Lattner 4c0f43edf6 this tests every fp-to-integer conversion 
llvm-svn: 22562
 2005-07-30 01:33:38 +00:00
Chris Lattner 4913457573 fix a typeo 
llvm-svn: 22561
 2005-07-30 00:43:00 +00:00
Nate Begeman 17a0e2afea Ack, typo 
llvm-svn: 22560
 2005-07-30 00:21:31 +00:00
Chris Lattner aeef51b6b7 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]

llvm-svn: 22559
 2005-07-30 00:17:52 +00:00
Nate Begeman e68bcd1946 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.

llvm-svn: 22558
 2005-07-30 00:15:07 +00:00
Nate Begeman 2bca4d9b7b Break SCEVExpander out of IndVarSimplify into its own .h/.cpp file so that 
other passes may use it.

llvm-svn: 22557
 2005-07-30 00:12:19 +00:00
Chris Lattner 4738d1b5cd Use a custom expander for all FP to int conversions, as the X86 only has 
FP-to-int-in-memory: this exposes the load from the stored slot to the
selection dag, allowing it to be folded into other operaions.

llvm-svn: 22556
 2005-07-30 00:05:54 +00:00