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Author SHA1 Message Date
Owen Anderson
275a5ef481 Be more aggressive in removing dead stores, and in removing instructions trivially dead after DSE. 
This drastically improves the effect of FastDSE on kimwitu++.

llvm-svn: 39819
 2007-07-13 18:26:26 +00:00
Dale Johannesen
1a9d304c35 Modify previous patch per review comments. 
llvm-svn: 39817
 2007-07-13 17:31:29 +00:00
Dale Johannesen
469ed8e17e Skeleton of post-RA scheduler; doesn't do anything yet. 
Change name of -sched option and DEBUG_TYPE to
pre-RA-sched; adjust testcases.

llvm-svn: 39816
 2007-07-13 17:13:54 +00:00
Chris Lattner
7cba3578aa Fix CodeGen/Generic/print-arith-fp.ll on sparc (PR1551) 
llvm-svn: 39813
 2007-07-13 16:24:10 +00:00
Gabor Greif
8a0024300f these tests do not need a triple on Solaris. Thanks sabre! 
llvm-svn: 39803
 2007-07-13 10:08:18 +00:00
Reid Spencer
09aba24630 Regenerate to pick up Gabor's changes. 
llvm-svn: 39802
 2007-07-13 10:05:30 +00:00
Gabor Greif
63ef2849b2 * llvm.spec.in: update blurb 
* autoconf/AutoRegen.sh: use variables for autofoo versions
* autoconf/configure.ac: test for some more functions
                         that are not guaranteed on solaris

Note: the svn:mime-type of autoconf/AutoRegen.sh
      should be set to something that allows for
			text compares using svn diff
llvm-svn: 39800
 2007-07-13 09:48:29 +00:00
Owen Anderson
0ad3e0795b Reimplement removing stores to allocas at the end of a function. This should be safe now. 
llvm-svn: 39790
 2007-07-12 21:41:30 +00:00
Owen Anderson
999d27d563 Make the condition-checking for free with non-trivial dependencies more correct. 
llvm-svn: 39789
 2007-07-12 18:08:51 +00:00
Owen Anderson
6edb47d8be Remove the end-block handling code. It was unsafe, and making it safe would have resulted in falling back to the slow DSE case. I need to think some more about the right way to handle this. 
llvm-svn: 39788
 2007-07-12 17:52:20 +00:00
Dale Johannesen
eb2c2823e3 ARM: make branch folder remove unconditional branches 
following jump tables that it earlier inserted.  This
would be OK on other targets but is needed for correctness
only on ARM (constant islands needs to find jump tables).

llvm-svn: 39782
 2007-07-12 16:45:35 +00:00
Duncan Sands
b2a18dc10b The type ids making up a filter are unsigned, and 
should be output as unsigned values.  Checked against
gcc.

llvm-svn: 39775
 2007-07-12 13:51:39 +00:00
Gabor Greif
33f07df616 checked in as obvious, 
thanks Benoit Boissinot!

llvm-svn: 39774
 2007-07-12 13:31:38 +00:00
Gabor Greif
4f61fce837 fix the remaining 3 testcases that missed a target triple 
llvm-svn: 39773
 2007-07-12 13:21:08 +00:00
Chris Lattner
7eea439048 another missed SSE optimization 
llvm-svn: 39772
 2007-07-12 06:31:38 +00:00
Owen Anderson
b6211f5b50 Let MemoryDependenceAnalysis take care of updating AliasAnalysis. 
llvm-svn: 39769
 2007-07-12 00:06:21 +00:00
Devang Patel
9a299aa63a New test. 
llvm-svn: 39768
 2007-07-11 23:54:25 +00:00
Devang Patel
f26f0ea111 Preserve analysis info. 
llvm-svn: 39767
 2007-07-11 23:47:28 +00:00
David Greene
41a921b12c Get rid of annoying spaces. 
llvm-svn: 39766
 2007-07-11 23:44:08 +00:00
Bruno Cardoso Lopes
27f5beafb2 Added support for Mips specific GAS directives 
Fixed print immediate 
Fixed Identation on MipsISelDAGToDAG.cpp

llvm-svn: 39764
 2007-07-11 23:24:41 +00:00
Bruno Cardoso Lopes
e21704313d Added support for framepointer 
Prologue/Epilogue support fp,ra save/restore and use the stack frame the right
way!

llvm-svn: 39763
 2007-07-11 23:21:31 +00:00
Owen Anderson
733ff7bbc0 Handle the case where an entire structure is freed, and its dependency is a store to a field within 
that structure.

Also, refactor the runOnBasicBlock() function, splitting some of the special cases into separate functions.

llvm-svn: 39762
 2007-07-11 23:19:17 +00:00
Bruno Cardoso Lopes
0ba66ea1dc Now that stack is represented the right way, LOA starts at 0 
llvm-svn: 39761
 2007-07-11 23:17:41 +00:00
Bruno Cardoso Lopes
be14b3c16c Fixed AddLiveOut issues 
FI's created the write way to represent Mips stack

llvm-svn: 39760
 2007-07-11 23:16:16 +00:00
Bruno Cardoso Lopes
bc1b534410 Removed unused immediate PatLeaf, fixed lui instruction 
llvm-svn: 39759
 2007-07-11 22:47:02 +00:00
Bruno Cardoso Lopes
a851ed6989 Added MipsMachineFunction class, to hold Mips dinamic stack info when inserting Prologue/Epilog 
llvm-svn: 39758
 2007-07-11 22:44:21 +00:00
Owen Anderson
fb23f70dbf Add support for eliminate stores to stack-allocated memory locations at the end 
of a function.

llvm-svn: 39754
 2007-07-11 21:06:56 +00:00
Owen Anderson
2388e80b0a Handle eliminating stores that occur right before a free. 
llvm-svn: 39753
 2007-07-11 20:38:34 +00:00
Lauro Ramos Venancio
0ad4cde600 Handle packed structs in the CBackend. 
llvm-svn: 39752
 2007-07-11 19:56:53 +00:00
Anton Korobeynikov
035b1219d8 Emit correct linkage. Patch by Roman Samoilov. 
llvm-svn: 39751
 2007-07-11 19:51:06 +00:00
Evan Cheng
9f43f89d89 Add test case for PR1545. 
llvm-svn: 39749
 2007-07-11 19:29:05 +00:00
Evan Cheng
c7216b3a86 Missed a couple of places where new instructions are added due to spill / restore. 
llvm-svn: 39748
 2007-07-11 19:17:18 +00:00
Owen Anderson
28789d81c5 Clean up a few things based on Chris' feedback. 
llvm-svn: 39747
 2007-07-11 19:03:09 +00:00
Tanya Lattner
a715bbe152 Adding ability to demote phi to stack. 
llvm-svn: 39744
 2007-07-11 18:41:34 +00:00
Dale Johannesen
cacc6dbeb6 Fix hang compiling TimberWolf (allow for islands 
of size other than 4).

llvm-svn: 39743
 2007-07-11 18:32:38 +00:00
Lauro Ramos Venancio
18fc770fd0 Assert when TLS is not implemented. 
llvm-svn: 39737
 2007-07-11 17:19:51 +00:00
Duncan Sands
bfbe683782 Exception handling has been implemented. 
llvm-svn: 39732
 2007-07-11 16:59:20 +00:00
Chris Lattner
ef484ab964 Fix an oversight: for modules with no other identifying target info, 
the sparc backend should be preferred when running on sparcs.

llvm-svn: 39142
 2007-07-11 16:32:10 +00:00
Duncan Sands
aa83dc9037 If assertions are not enabled, we should return False here. 
llvm-svn: 38535
 2007-07-11 08:47:55 +00:00
Evan Cheng
2791a7ea6d No longer need to track last def / use. 
llvm-svn: 38534
 2007-07-11 08:47:44 +00:00
Evan Cheng
c42a2e03f1 Fix for PR1545: Revamp code that update kill information due to register reuse. 
llvm-svn: 38525
 2007-07-11 05:28:39 +00:00
Reid Spencer
e65a75d66e Adjust this per the changes to the configuration script in the llvm-top module. 
llvm-svn: 38521
 2007-07-11 03:00:11 +00:00
Owen Anderson
1eaba31f12 Add FastDSE, a new algorithm for doing dead store elimination. This algorithm is not as accurate 
as the current DSE, but it only a linear scan over each block, rather than quadratic.  Eventually
(once it has been improved somewhat), this will replace the current DSE.

NOTE: This has not yet been extensively tested.
llvm-svn: 38517
 2007-07-11 00:46:18 +00:00
David Greene
8d77dcca00 Make this work with GLIBCXX_DEBUG. 
llvm-svn: 38516
 2007-07-10 22:00:30 +00:00
Evan Cheng
f6d010e93d Didn't mean the last commit. Revert. 
llvm-svn: 38515
 2007-07-10 22:00:16 +00:00
Dale Johannesen
ecef839eaa Fix fp_constant_op failure. 
llvm-svn: 38514
 2007-07-10 21:53:30 +00:00
Evan Cheng
05c784cc30 Update. 
llvm-svn: 38513
 2007-07-10 21:49:47 +00:00
Dale Johannesen
7325a82196 fix 80 columnn violations, increasing the world's 
pedantic satisfaction level.

llvm-svn: 38512
 2007-07-10 20:53:41 +00:00
Owen Anderson
bb0f7c00ab Calculate the size of a array allocation correctly. 
llvm-svn: 38511
 2007-07-10 20:48:38 +00:00
Owen Anderson
04b3497eb7 Fix a crasher when finding the dependency of a call. 
llvm-svn: 38510
 2007-07-10 20:39:07 +00:00