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Author SHA1 Message Date
Misha Brukman
0a18934a23 Adjust comment header and paths to refect move 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16903 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 23:34:36 +00:00
Misha Brukman
f60a149df6 ModuloScheduling moved to lib/Target/SparcV9 as it is SparcV9-specific 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16902 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 23:33:20 +00:00
Chris Lattner
708148e41f 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++.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16901 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 23:14:11 +00:00
Chris Lattner
e3f27e66e5 Another testcase. We should be able to devirtualize the call even though 
we cannot completely eliminate the global.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16900 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 23:12:33 +00:00
Reid Spencer
f8f3305d68 Reorganize FINDLIBS to make most comment libs searched first. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16899 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:54:46 +00:00
Reid Spencer
769dd7d5ec Initial version of automake Makefile.am file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16898 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:52:14 +00:00
Reid Spencer
adb6c05f91 Add the new InstrSched directory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16897 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:51:03 +00:00
Reid Spencer
796aacf2e2 Fix named of a library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16896 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:50:31 +00:00
Tanya Lattner
420025b04f Added debug information. Fixed several bugs in the reconstruct loop function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16895 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:44:35 +00:00
Reid Spencer
90a2adc866 Initial version of automake Makefile.am file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16894 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:36:40 +00:00
Reid Spencer
81f76b324e Initial version of automake Makefile.am file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16893 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:20:40 +00:00
Reid Spencer
ddef0b3a6c Build both archive and relinked objects 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16892 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:17:39 +00:00
Reid Spencer
ed0fdf9b02 Directory changes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16891 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:17:02 +00:00
Reid Spencer
b64eb49252 A configure script to configure LLVM for compilation with automake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16890 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:16:50 +00:00
Reid Spencer
3d771cb554 Initial version of common automake Rules for LLVM 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16889 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:16:37 +00:00
Reid Spencer
3b7784dd93 Initial version of automake Makefile.am file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16888 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 22:07:57 +00:00
Reid Spencer
01930c4891 Remove the InstrSched directory (moved to SparcV9) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16887 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 21:19:41 +00:00
Reid Spencer
d9a9925f87 Directory no long exists (moved to Targets/SparcV9). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16886 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 21:18:31 +00:00
Reid Spencer
9f41a5fe85 Initial version of automake Makefile.am file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16885 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 20:43:57 +00:00
Brian Gaeke
299b39d356 Fix assertion failure when calling or returning from a function which 
returns 'bool' type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16884 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 20:34:17 +00:00
Brian Gaeke
85c08351ce Implement eliminateCallFramePseudoInstr(). 
Wrap a long comment line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16883 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 19:57:21 +00:00
Brian Gaeke
9f0cecd438 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16882 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 19:57:20 +00:00
Brian Gaeke
50094edf96 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16881 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 19:57:18 +00:00
Reid Spencer
f23fb9ec69 Top level makefile for building LLVM with automake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16880 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 19:13:03 +00:00
Reid Spencer
2b6c038a5e Ensure timestamp on saved contents of configure.ac is not changed. 
Use correct options to automake.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16879 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 19:09:33 +00:00
Chris Lattner
8be8012ba4 Fix 2004-10-10-CastStoreOnce.llx, by adjusting types back if we strip off a cast 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16878 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 17:07:12 +00:00
Chris Lattner
b3deddcf25 New testcase that crashes -globalopt. I found this through inspection, not 
actually in the wild :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16877 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 17:06:09 +00:00
Chris Lattner
c4d81b0388 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16876 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 16:47:33 +00:00
Chris Lattner
ba31f8098f New testcase we were not handling before. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16875 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 16:46:48 +00:00
Chris Lattner
031955d462 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16874 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 16:43:46 +00:00
Chris Lattner
cbb9812d0d bling bling! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16873 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-10 16:26:13 +00:00
Chris Lattner
3de9848330 A testcase that globalopt now handles 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16872 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 21:50:05 +00:00
Chris Lattner
9b34a61019 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16871 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 21:48:45 +00:00
Chris Lattner
83d72bcd11 Instead of silently breaking, print notification of why this doesn't work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16870 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 21:13:51 +00:00
Chris Lattner
ffd9cefc73 Fix grammaro 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16869 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 19:37:02 +00:00
Chris Lattner
dd27827733 Use DEBUG instead of DebugFlag directly, as DebugFlag does not respect 
-debug-only!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16868 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 19:30:36 +00:00
Chris Lattner
9cfa0d95fa It looks like we're not releasing 1.4 with llvm.org as the official domain 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16867 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 19:19:57 +00:00
Brian Gaeke
03203b423f update according to tonight's info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16866 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 05:58:27 +00:00
Brian Gaeke
0e2d466ce9 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16865 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 05:57:01 +00:00
Chris Lattner
930f475604 Fix infinite loop due to iteration 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16864 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 03:32:52 +00:00
Chris Lattner
a052f8297a Implement sub.ll:test17, -X/C -> X/-C 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16863 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 02:50:40 +00:00
Chris Lattner
23e2563226 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16862 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 02:50:01 +00:00
Chris Lattner
1c1bb33534 Add a check to avoid an assertion on malformed input 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16861 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-09 02:18:58 +00:00
Chris Lattner
222b86f694 The person who was planning to add SSE support isn't anymore, so disable 
the -sse* options (to avoid misleading people).

Also, the stack alignment of the target doesn't depend on whether SSE is
eventually implemented, so remove a comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16860 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 22:41:46 +00:00
Chris Lattner
b0f4e389db Fix a major regression from the bugfix for 2004-10-08-SelectSetCCFold.llx, 
which prevented setcc's from being folded into branches.  It appears that
conditional branchinst's CC operand is actually operand(2), not operand(0)
as we might expect. :(


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16859 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 22:24:31 +00:00
Chris Lattner
8f57e9c083 If we found a dead global, we should at least delete it... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16858 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 22:05:31 +00:00
Chris Lattner
a4be1dc0a1 * Pull out the meat of runOnModule into another function for clarity. 
* Do not lead dangling dead constants prevent optimization
* Iterate global optimization while we're making progress.

These changes allow us to be more aggressive, handling cases like
GlobalOpt/iterate.llx without a problem (turning it into 'ret int 0').


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16857 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 20:59:28 +00:00
Chris Lattner
508540321b New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16856 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 20:57:46 +00:00
Chris Lattner
e40e2d1a71 We might as well delete the known-dead global sooner rather than later since 
we know it is dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16855 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 20:25:55 +00:00
Misha Brukman
6a134dedf6 Hyphenate target-(in)dependent for more tasty grammar goodness (tm) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16854 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 19:43:31 +00:00