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Author SHA1 Message Date
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
Chris Lattner
340a05fb3a Temporarily disable a buggy transformation until it can be fixed. This fixes 
254.gap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16853 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 19:15:44 +00:00
Misha Brukman
7ced638072 Adjust paths due to moving InstrSched to lib/Target/SparcV9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16852 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:30:22 +00:00
Misha Brukman
41605ab6e7 Use the SparcV9-marked instr scheduling library 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16851 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:14:56 +00:00
Misha Brukman
6b68973617 InstrSched has been moved to lib/Target/SparcV9 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16850 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:12:53 +00:00
Misha Brukman
c8e049124e InstrSched is SparcV9-specific and so has been moved to lib/Target/SparcV9/ 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16849 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:12:14 +00:00
Misha Brukman
855ae5a8f7 Single-space instead of double-spacing in the Makefile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16848 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:11:14 +00:00
Misha Brukman
222c98bf82 Build InstrSched as well, and all three subdirs can be built independently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16847 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:10:48 +00:00
Misha Brukman
13e4f6eb04 * Adjust for the move to lib/Target/SparcV9/InstrSched 
* Rename library to mark it SparcV9-specific


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16846 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:10:01 +00:00
Misha Brukman
1481a5c4c7 Single-space instead of double-spacing in the Makefile 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16845 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:05:25 +00:00
Reid Spencer
83e9193d37 Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16844 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 18:01:31 +00:00
Reid Spencer
761e41b237 Make it so that positional parameters can have spaces in them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16843 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 17:59:29 +00:00
Chris Lattner
670c889ac9 Implement SRA for global variables. This allows the other global variable 
optimizations to trigger much more often.  This allows the elimination of
several dozen more global variables in Programs/External.  Note that we only
do this for non-constant globals: constant globals will already be optimized
out if the accesses to them permit it.

This implements Transforms/GlobalOpt/globalsra.llx


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16842 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 17:32:09 +00:00
Chris Lattner
bb99fc42e3 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16841 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 17:29:47 +00:00
Chris Lattner
d04cd55796 Fix bug: 2004-10-08-SelectSetCCFold.llx. Normally this is hidden by the 
instcombine xform, which is why we didn't notice it before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16840 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 16:34:13 +00:00
Chris Lattner
d4bcae9031 New testcase. The setcc is only used by a select, but not as a condition: 
it cannot be folded in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16839 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-10-08 16:33:40 +00:00