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Author SHA1 Message Date
Chris Lattner
6a42a4c820 Don't miss global optimizations because we run before the inliner 
llvm-svn: 16913
 2004-10-11 04:47:18 +00:00
Chris Lattner
f8dab00902 Fix SingleSource/Benchmarks/McGill/chomp 
llvm-svn: 16912
 2004-10-11 04:07:27 +00:00
Chris Lattner
f8380b953a If we are trying to create a ConstantExpr cast that is really a GEP to the 
first element of an array, return a GEP instead of a cast.  This allows us
to transparently fold this:

int* getelementptr (int* cast ([100 x int]* %Gbody to int*), int 40)

into this:

int* getelementptr ([100 x int]* %Gbody, int 0, int 40)

llvm-svn: 16911
 2004-10-11 03:57:30 +00:00
Misha Brukman
6d1c8c1826 Fix grammar 
llvm-svn: 16910
 2004-10-11 02:06:40 +00:00
Misha Brukman
c5c8db210f Remove exhuberant-style comments which remained from copying file from `sample' 
llvm-svn: 16909
 2004-10-11 00:56:41 +00:00
Misha Brukman
bf065681d5 Fix file header comment; remove sample project (extra-verbose) comments 
llvm-svn: 16908
 2004-10-11 00:55:47 +00:00
Misha Brukman
9d6c77d071 Fix file header comment 
llvm-svn: 16907
 2004-10-11 00:54:59 +00:00
Misha Brukman
5e9e7cada2 ModuloScheduling has moved to lib/Target/SparcV9 
llvm-svn: 16906
 2004-10-10 23:37:40 +00:00
Misha Brukman
995af8d2b1 Add ModuloScheduling to the recursive build tree 
llvm-svn: 16905
 2004-10-10 23:36:09 +00:00
Misha Brukman
95cbabd1b5 Adjust header file inclusion due to move 
llvm-svn: 16904
 2004-10-10 23:34:50 +00:00
Misha Brukman
0f102f7fc9 Adjust comment header and paths to refect move 
llvm-svn: 16903
 2004-10-10 23:34:36 +00:00
Misha Brukman
020c3ab94c ModuloScheduling moved to lib/Target/SparcV9 as it is SparcV9-specific 
llvm-svn: 16902
 2004-10-10 23:33:20 +00:00
Chris Lattner
21dcce4e33 Just because we cannot completely eliminate all uses of a global, we can 
still optimize away all of the indirect calls and loads, etc from it.
This turns code like this:

  if (G != 0)
    G();

into
   if (G != 0)
     ActualCallee();

This triggers a couple of times in gcc and libstdc++.

llvm-svn: 16901
 2004-10-10 23:14:11 +00:00
Chris Lattner
9448676dcb Another testcase. We should be able to devirtualize the call even though 
we cannot completely eliminate the global.

llvm-svn: 16900
 2004-10-10 23:12:33 +00:00
Reid Spencer
2d05049041 Reorganize FINDLIBS to make most comment libs searched first. 
llvm-svn: 16899
 2004-10-10 22:54:46 +00:00
Reid Spencer
85d2758f11 Initial version of automake Makefile.am file. 
llvm-svn: 16898
 2004-10-10 22:52:14 +00:00
Reid Spencer
04cb07f3ce Add the new InstrSched directory. 
llvm-svn: 16897
 2004-10-10 22:51:03 +00:00
Reid Spencer
549fc4abc1 Fix named of a library. 
llvm-svn: 16896
 2004-10-10 22:50:31 +00:00
Tanya Lattner
be65f6cd02 Added debug information. Fixed several bugs in the reconstruct loop function. 
llvm-svn: 16895
 2004-10-10 22:44:35 +00:00
Reid Spencer
817a069ea4 Initial version of automake Makefile.am file. 
llvm-svn: 16894
 2004-10-10 22:36:40 +00:00
Reid Spencer
1b7459b29d Initial version of automake Makefile.am file. 
llvm-svn: 16893
 2004-10-10 22:20:40 +00:00
Reid Spencer
bc135b067a Build both archive and relinked objects 
llvm-svn: 16892
 2004-10-10 22:17:39 +00:00
Reid Spencer
9d1ab5cba8 Directory changes 
llvm-svn: 16891
 2004-10-10 22:17:02 +00:00
Reid Spencer
00585152e5 A configure script to configure LLVM for compilation with automake 
llvm-svn: 16890
 2004-10-10 22:16:50 +00:00
Reid Spencer
13b2bc427b Initial version of common automake Rules for LLVM 
llvm-svn: 16889
 2004-10-10 22:16:37 +00:00
Reid Spencer
94c273a868 Initial version of automake Makefile.am file. 
llvm-svn: 16888
 2004-10-10 22:07:57 +00:00
Reid Spencer
b317fd443c Remove the InstrSched directory (moved to SparcV9) 
llvm-svn: 16887
 2004-10-10 21:19:41 +00:00
Reid Spencer
064bebfba3 Directory no long exists (moved to Targets/SparcV9). 
llvm-svn: 16886
 2004-10-10 21:18:31 +00:00
Reid Spencer
7d9cba7a0f Initial version of automake Makefile.am file. 
llvm-svn: 16885
 2004-10-10 20:43:57 +00:00
Brian Gaeke
26b353ebd6 Fix assertion failure when calling or returning from a function which 
returns 'bool' type.

llvm-svn: 16884
 2004-10-10 20:34:17 +00:00
Brian Gaeke
3af0547680 Implement eliminateCallFramePseudoInstr(). 
Wrap a long comment line.

llvm-svn: 16883
 2004-10-10 19:57:21 +00:00
Brian Gaeke
b6239cd5ed Model calls as *both* using *and* killing O0..O5, because callees use the 
argument values passed in (so they're not dead until *after* the call),
and callees are free to modify those registers.

llvm-svn: 16882
 2004-10-10 19:57:20 +00:00
Brian Gaeke
245a073aa6 Fix whitespace and wrap some long lines. 
Deal with allocating stack space for outgoing args and copying them into the
correct stack slots (at least, we can copy <=32-bit int args).
We now correctly generate ADJCALLSTACK* instructions.

llvm-svn: 16881
 2004-10-10 19:57:18 +00:00
Reid Spencer
1ebfea8499 Top level makefile for building LLVM with automake. 
llvm-svn: 16880
 2004-10-10 19:13:03 +00:00
Reid Spencer
2f240c62ce Ensure timestamp on saved contents of configure.ac is not changed. 
Use correct options to automake.

llvm-svn: 16879
 2004-10-10 19:09:33 +00:00
Chris Lattner
d10f9ed455 Fix 2004-10-10-CastStoreOnce.llx, by adjusting types back if we strip off a cast 
llvm-svn: 16878
 2004-10-10 17:07:12 +00:00
Chris Lattner
644e8db5d7 New testcase that crashes -globalopt. I found this through inspection, not 
actually in the wild :)

llvm-svn: 16877
 2004-10-10 17:06:09 +00:00
Chris Lattner
cd4a7a5293 Implement GlobalOpt/deadglobal-2.llx, deletion of globals that are only 
stored to, but are stored at variable indexes.  This occurs at least in
176.gcc, but probably others, and we should handle it for completeness.

llvm-svn: 16876
 2004-10-10 16:47:33 +00:00
Chris Lattner
b7ff5baf13 New testcase we were not handling before. 
llvm-svn: 16875
 2004-10-10 16:46:48 +00:00
Chris Lattner
b0d3511aa6 Avoid calling use_size() which could (in theory) be expensive if the global 
has a large number of users.  Instead, just keep track of whether we're
making changes as we do so.

This patch has no functionlity changes.

llvm-svn: 16874
 2004-10-10 16:43:46 +00:00
Chris Lattner
6ff0fd4837 bling bling! 
llvm-svn: 16873
 2004-10-10 16:26:13 +00:00
Chris Lattner
90f2b68f32 A testcase that globalopt now handles 
llvm-svn: 16872
 2004-10-09 21:50:05 +00:00
Chris Lattner
6b0cd15f9c Eliminate global pointers that are only stored a single value and null if 
we know that all uses of the global will trap if the pointer contained is
null.  In this case, we forward substitute the stored value to any uses.

This has the effect of devirtualizing trivial globals in trivial cases.  For
example, 164.gzip contains this:

gzip.h:extern   int (*read_buf) OF((char *buf, unsigned size));
bits.c: read_buf  = file_read;
deflate.c:    lookahead = read_buf((char*)window,
deflate.c:        n = read_buf((char*)window+strstart+lookahead, more);

Since read_buf has to point to file_read at every use, we just replace
the calls through read_buf with a direct call to file_read.

This occurs in several benchmarks, including 176.gcc and 164.gzip.  Direct
calls are good and stuff.

llvm-svn: 16871
 2004-10-09 21:48:45 +00:00
Chris Lattner
955a220ad2 Instead of silently breaking, print notification of why this doesn't work. 
llvm-svn: 16870
 2004-10-09 21:13:51 +00:00
Chris Lattner
d6f69f0eec Fix grammaro 
llvm-svn: 16869
 2004-10-09 19:37:02 +00:00
Chris Lattner
f8a6e4402e Use DEBUG instead of DebugFlag directly, as DebugFlag does not respect 
-debug-only!

llvm-svn: 16868
 2004-10-09 19:30:36 +00:00
Chris Lattner
dd0d25c37d It looks like we're not releasing 1.4 with llvm.org as the official domain 
llvm-svn: 16867
 2004-10-09 19:19:57 +00:00
Brian Gaeke
ba13791a01 update according to tonight's info 
llvm-svn: 16866
 2004-10-09 05:58:27 +00:00
Brian Gaeke
3abdd11420 Implement getModuleMatchQuality and getJITMatchQuality so that v8 will be the 
default 32/BE target on sparc hosts, and ppc will continue to be the default
on other hosts.

llvm-svn: 16865
 2004-10-09 05:57:01 +00:00
Chris Lattner
51a762c414 Fix infinite loop due to iteration 
llvm-svn: 16864
 2004-10-09 03:32:52 +00:00