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19379 Commits

Author SHA1 Message Date
Owen Anderson 32c4a05dd4 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 d4451dee1e 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 5e06995b3d 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 85ee72f7ba 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 0263dd1d7f 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 b8bca52c7d checked in as obvious, 
thanks Benoit Boissinot!

llvm-svn: 39774
 2007-07-12 13:31:38 +00:00
Chris Lattner bdc69595d9 another missed SSE optimization 
llvm-svn: 39772
 2007-07-12 06:31:38 +00:00
Owen Anderson 1e1bace52b Let MemoryDependenceAnalysis take care of updating AliasAnalysis. 
llvm-svn: 39769
 2007-07-12 00:06:21 +00:00
Devang Patel fac4d1f014 Preserve analysis info. 
llvm-svn: 39767
 2007-07-11 23:47:28 +00:00
Bruno Cardoso Lopes bcda5e20c9 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 6c8c748e4d 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 aa07172340 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 77dbdcabf2 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 4449e5dd7f 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 c5affeccbd Removed unused immediate PatLeaf, fixed lui instruction 
llvm-svn: 39759
 2007-07-11 22:47:02 +00:00
Bruno Cardoso Lopes 753e37027f 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 1441470be8 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 e720144837 Handle eliminating stores that occur right before a free. 
llvm-svn: 39753
 2007-07-11 20:38:34 +00:00
Lauro Ramos Venancio 3d70855dd2 Handle packed structs in the CBackend. 
llvm-svn: 39752
 2007-07-11 19:56:53 +00:00
Evan Cheng 6b6d1f685f 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 bf971aafb6 Clean up a few things based on Chris' feedback. 
llvm-svn: 39747
 2007-07-11 19:03:09 +00:00
Tanya Lattner ccecbcd779 Adding ability to demote phi to stack. 
llvm-svn: 39744
 2007-07-11 18:41:34 +00:00
Dale Johannesen e59411d056 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 09d73c0305 Assert when TLS is not implemented. 
llvm-svn: 39737
 2007-07-11 17:19:51 +00:00
Duncan Sands 03b274911f Exception handling has been implemented. 
llvm-svn: 39732
 2007-07-11 16:59:20 +00:00
Chris Lattner 6e544a9cca 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 d5ea194b6c If assertions are not enabled, we should return False here. 
llvm-svn: 38535
 2007-07-11 08:47:55 +00:00
Evan Cheng 74a541024f No longer need to track last def / use. 
llvm-svn: 38534
 2007-07-11 08:47:44 +00:00
Evan Cheng bec7a20c5e Fix for PR1545: Revamp code that update kill information due to register reuse. 
llvm-svn: 38525
 2007-07-11 05:28:39 +00:00
Owen Anderson 5e72db3f7f 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 d9034f717a Make this work with GLIBCXX_DEBUG. 
llvm-svn: 38516
 2007-07-10 22:00:30 +00:00
Evan Cheng 94579dbd2e Didn't mean the last commit. Revert. 
llvm-svn: 38515
 2007-07-10 22:00:16 +00:00
Dale Johannesen 68471d263f Fix fp_constant_op failure. 
llvm-svn: 38514
 2007-07-10 21:53:30 +00:00
Evan Cheng effa7467b6 Update. 
llvm-svn: 38513
 2007-07-10 21:49:47 +00:00
Dale Johannesen 23f631d87c fix 80 columnn violations, increasing the world's 
pedantic satisfaction level.

llvm-svn: 38512
 2007-07-10 20:53:41 +00:00
Owen Anderson c432490b4c Calculate the size of a array allocation correctly. 
llvm-svn: 38511
 2007-07-10 20:48:38 +00:00
Owen Anderson faf9e42479 Fix a crasher when finding the dependency of a call. 
llvm-svn: 38510
 2007-07-10 20:39:07 +00:00
Owen Anderson 1279eaf776 Make this pass registration static as well. 
llvm-svn: 38509
 2007-07-10 20:21:08 +00:00
Owen Anderson 084d3c2e2f Make the pass registration static. 
llvm-svn: 38508
 2007-07-10 20:20:19 +00:00
Chris Lattner f51bd666d9 add a note 
llvm-svn: 38507
 2007-07-10 20:03:50 +00:00
Rafael Espindola 9521a564fb check for correct usage of the byval attribute 
llvm-svn: 38506
 2007-07-10 19:28:12 +00:00
Anton Korobeynikov 76547349c1 During module cloning copy aliases too. This fixes PR1544 
llvm-svn: 38505
 2007-07-10 19:07:35 +00:00
Owen Anderson 1fa6132e85 Handle vaarg instructions correctly. 
llvm-svn: 38504
 2007-07-10 18:43:15 +00:00
Dan Gohman 60d6f96da3 Change the peep for EXTRACT_VECTOR_ELT of BUILD_PAIR to look for 
the new CONCAT_VECTORS node type instead, as that's what legalize
uses now. And add a peep for EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT.

llvm-svn: 38503
 2007-07-10 18:20:44 +00:00
Owen Anderson 94a21dd1e0 Volatile loads and stores depend on each other. 
llvm-svn: 38502
 2007-07-10 18:11:42 +00:00
Evan Cheng 9d41b311fb Remove clobbersPred. Add an OptionalDefOperand to instructions which have the 's' bit. 
llvm-svn: 38501
 2007-07-10 18:08:01 +00:00
Evan Cheng 0867337075 Remove clobbersPred. 
llvm-svn: 38500
 2007-07-10 18:07:08 +00:00
Owen Anderson 9c88457abe Add support for finding the dependencies of call and invoke instructions. 
llvm-svn: 38497
 2007-07-10 17:59:22 +00:00
Evan Cheng 5e9084207f If the operand is marked M_OPTIONAL_DEF_OPERAND, then it's a def. 
llvm-svn: 38496
 2007-07-10 17:52:20 +00:00
Evan Cheng fbc73099dc Somehow this wasn't committed last time. M_CLOBBERS_PRED is gone. 
llvm-svn: 38495
 2007-07-10 17:50:43 +00:00