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c531e090db
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8108 Commits

Author SHA1 Message Date
Chris Lattner
c531e090db Add missing check 
llvm-svn: 17706
 2004-11-13 20:04:38 +00:00
Chris Lattner
d1381380ae Compile: 
long long X3_2(long long Y) { return Y+Y; }
int X(int Y) { return Y+Y; }

into:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        addl %eax, %eax
        adcl %edx, %edx
        ret
X:
        movl 4(%esp), %eax
        addl %eax, %eax
        ret

instead of:

X3_2:
        movl 4(%esp), %eax
        movl 8(%esp), %edx
        shldl $1, %eax, %edx
        shll $1, %eax
        ret

X:
        movl 4(%esp), %eax
        shll $1, %eax
        ret

llvm-svn: 17705
 2004-11-13 20:03:48 +00:00
Chris Lattner
70e351fb1c Simplify handling of shifts to be the same as we do for adds. Add support 
for (X * C1) + (X * C2) (where * can be mul or shl), allowing us to fold:

   Y+Y+Y+Y+Y+Y+Y+Y

into
         %tmp.8 = shl long %Y, ubyte 3           ; <long> [#uses=1]

instead of

        %tmp.4 = shl long %Y, ubyte 2           ; <long> [#uses=1]
        %tmp.12 = shl long %Y, ubyte 2          ; <long> [#uses=1]
        %tmp.8 = add long %tmp.4, %tmp.12               ; <long> [#uses=1]

This implements add.ll:test25

Also add support for (X*C1)-(X*C2) -> X*(C1-C2), implementing sub.ll:test18

llvm-svn: 17704
 2004-11-13 19:50:12 +00:00
Chris Lattner
7a8d26a581 Fold: 
(X + (X << C2)) --> X * ((1 << C2) + 1)
   ((X << C2) + X) --> X * ((1 << C2) + 1)

This means that we now canonicalize "Y+Y+Y" into:

        %tmp.2 = mul long %Y, 3         ; <long> [#uses=1]

instead of:

        %tmp.10 = shl long %Y, ubyte 1          ; <long> [#uses=1]
        %tmp.6 = add long %Y, %tmp.10               ; <long> [#uses=1]

llvm-svn: 17701
 2004-11-13 19:31:40 +00:00
Chris Lattner
d348f5b9fb Lazily create the abort message, so only translation units that use unwind 
will actually get it.

llvm-svn: 17700
 2004-11-13 19:07:32 +00:00
Chris Lattner
ab917141d0 Fix: CodeExtractor/2004-11-12-InvokeExtract.ll 
llvm-svn: 17699
 2004-11-13 00:06:45 +00:00
Chris Lattner
c6b1d7a081 Fix a bug where the code extractor would get a bit confused handling invoke 
instructions, setting DefBlock to a block it did not have dom info for.

llvm-svn: 17697
 2004-11-12 23:50:44 +00:00
Chris Lattner
922a1b4601 Simplify handling of constant initializers 
llvm-svn: 17696
 2004-11-12 22:42:57 +00:00
Reid Spencer
f6caf3b1c2 Makefile for lib/Linker 
llvm-svn: 17695
 2004-11-12 20:38:45 +00:00
Reid Spencer
f755c169b3 This file originated in lib/VMCore/Linker.cpp but now lives in 
lib/Linker/LinkModules.cpp

llvm-svn: 17694
 2004-11-12 20:37:43 +00:00
Reid Spencer
13a6af95ad This file originated in tools/gccld/Linker.cpp but now lives in 
lib/Linker/LinkArchives.cpp

llvm-svn: 17693
 2004-11-12 20:34:32 +00:00
Chris Lattner
1a469385bd Actually, leave the check in. This prevents us from counting dead arguments 
as IPCP opportunities.

llvm-svn: 17680
 2004-11-11 07:47:54 +00:00
Chris Lattner
dba9c2b0ef Fix bug: IPConstantProp/deadarg.ll 
llvm-svn: 17679
 2004-11-11 07:46:29 +00:00
Chris Lattner
d920b5b770 Make IP Constant prop more aggressive about handling self recursive calls. 
This implements IPConstantProp/recursion.ll

llvm-svn: 17666
 2004-11-10 19:43:59 +00:00
John Criswell
402e338f11 Correct the name of stosd for the AT&T syntax: 
It's stosl (l for long == 32 bit).

llvm-svn: 17658
 2004-11-10 04:48:15 +00:00
Chris Lattner
b214a04a16 Do not let dead constant expressions hanging off of functions prevent IPCP. 
This allows to elimination of a bunch of global pool descriptor args from
programs being pool allocated (and is also generally useful!)

llvm-svn: 17657
 2004-11-09 20:47:30 +00:00
Reid Spencer
d17e35893c Fix isBytecodeFile to correctly recognized compressed bytecode too. 
llvm-svn: 17655
 2004-11-09 20:27:23 +00:00
Reid Spencer
28ceb24005 * Implement getStatusInfo for getting stat(2) like information 
* Implement createTemporaryFile for mkstemp(3) functionality
* Fix isBytecodeFile to accept llvc magic # (compressed) as bytecode.

llvm-svn: 17654
 2004-11-09 20:26:31 +00:00
John Criswell
5be81b837b Recognize compressed LLVM bytecode files. 
This should fix the problem of not being able to link compressed LLVM
bytecode files from LLVM libraries.

llvm-svn: 17648
 2004-11-09 19:37:07 +00:00
Reid Spencer
d9387fee02 Tune compression: 
bzip2: block size 9 -> 5, reduces memory by 400Kbytes, doesn't affect speed
       or compression ratio on all but the largest bytecode files (>1MB)
zip:   level 9 -> 6, this speeds up compression time by ~30% but only
       degrades the compressed size by a few bytes per megabyte. Those few
       bytes aren't worth the effort.

llvm-svn: 17647
 2004-11-09 17:58:09 +00:00
Chris Lattner
9f035c9fdb Change this back so that I get stable numbers to reflect the change from the 
nightly testers

llvm-svn: 17646
 2004-11-09 08:05:23 +00:00
Chris Lattner
b924e8be62 Fix bug: 2004-11-08-FreeUseCrash.ll 
llvm-svn: 17642
 2004-11-09 05:10:56 +00:00
Misha Brukman
5718caa3ab * Convert tabs to spaces 
* Order #includes according to style guide
* Remove extraneous blank lines

llvm-svn: 17639
 2004-11-09 04:27:19 +00:00
Nate Begeman
398bd2b9f6 Allow hbd to be bugpointable on darwin by fixing common and linkonce codegen 
llvm-svn: 17637
 2004-11-09 04:01:18 +00:00
Misha Brukman
f28a01454d Handle headers for compressed bytecode files 
llvm-svn: 17634
 2004-11-08 22:03:32 +00:00
Chris Lattner
0efef015fa Fix a bug that was preventing povray and namd from pool allocating correctly. 
llvm-svn: 17632
 2004-11-08 21:08:46 +00:00
Chris Lattner
dcee21898f Handle assert_fail special 
llvm-svn: 17631
 2004-11-08 21:08:28 +00:00
Reid Spencer
af24480f3e Fix a typo: isvalid -> isValid 
llvm-svn: 17621
 2004-11-08 08:27:51 +00:00
Nate Begeman
a0c15f3ffd Put int the getReg cast optimization from x86 so that we generate fewer 
move instructions for the register allocator to coalesce.

llvm-svn: 17608
 2004-11-08 02:25:40 +00:00
Misha Brukman
8c397821a5 Implement ExecutionEngine::freeMachineCodeForFunction() 
llvm-svn: 17601
 2004-11-07 23:58:46 +00:00
Chris Lattner
a9e56ddaa3 VERY large functions that are only called from one place are not really 
exciting to inline.  Only inline medium or small sized functions with a
single call site.

llvm-svn: 17588
 2004-11-07 21:46:47 +00:00
Nate Begeman
a7541b19fc Disable bogus cast elimination when the cast is used by a setcc instruction. 
llvm-svn: 17583
 2004-11-07 20:23:42 +00:00
Reid Spencer
c9c7c7fbee * Comments & cleanup per CL code review. 
* Accept 'llvc' as signature for compressed bytecode

llvm-svn: 17579
 2004-11-07 18:20:55 +00:00
Reid Spencer
152f895e9b Add comments per CL code review. 
llvm-svn: 17578
 2004-11-07 18:19:00 +00:00
Reid Spencer
1446cd065f * Add comments and cleanup per CL code review 
* Make signature for compressed bytecode llvc instead of unreadable
* Make the CompressionContext have a constructor and destructor.

llvm-svn: 17576
 2004-11-07 18:17:38 +00:00
Misha Brukman
ce8c2c2aee Replace uses of llvm.org with llvm.cs.uiuc.edu 
llvm-svn: 17549
 2004-11-07 00:58:38 +00:00
Misha Brukman
820aa44589 Consistently use llvm.cs.uiuc.edu instead of llvm.org 
llvm-svn: 17548
 2004-11-07 00:58:20 +00:00
Chris Lattner
f5c5cb033e Decompose* is V9 specific, make it internal 
llvm-svn: 17547
 2004-11-07 00:43:24 +00:00
Chris Lattner
a060b55dea This is V9 specific, move it there. 
llvm-svn: 17545
 2004-11-07 00:39:26 +00:00
Chris Lattner
f11d034489 Move this file from lib/Transforms/Scalar 
llvm-svn: 17544
 2004-11-07 00:39:09 +00:00
Reid Spencer
a81994464f Add support for compressed bytecode 
llvm-svn: 17535
 2004-11-06 23:17:23 +00:00
Reid Spencer
bf14271ed6 Implement the GetBytecodeSymbols interface function to extract just the 
externally visible defined symbols from a bytecode file.

llvm-svn: 17503
 2004-11-06 08:56:40 +00:00
Reid Spencer
c3a4c8a346 Makefile for the LLVMArchive library. 
llvm-svn: 17500
 2004-11-06 08:52:36 +00:00
Reid Spencer
8907e56650 First kinda/sorta working version of the Archive library. Reading is not 
yet supported but writing works. Way too early to review this. More to come

llvm-svn: 17499
 2004-11-06 08:51:45 +00:00
Reid Spencer
7090e6a875 Stop propagating method names that violate the coding standard 
llvm-svn: 17498
 2004-11-05 22:15:36 +00:00
John Criswell
97da76178c Fix compilation problem; make the cast and the LHS be the same type. 
llvm-svn: 17488
 2004-11-05 16:17:06 +00:00
Chris Lattner
9f23af6d68 Remove dead var 
llvm-svn: 17485
 2004-11-05 04:52:08 +00:00
Chris Lattner
499e1b16a7 Quiet VC++ warnings 
llvm-svn: 17484
 2004-11-05 04:50:59 +00:00
Chris Lattner
bde92f3c03 Do not make i have bigger scope that we need 
llvm-svn: 17483
 2004-11-05 04:47:37 +00:00
Chris Lattner
b5ff07e46e Remove dead vars 
llvm-svn: 17482
 2004-11-05 04:46:22 +00:00