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Author SHA1 Message Date
Evan Cheng
94d1d9c219 Postra machine licm must add registers defined by loop invariants to *all* of 
the live-in sets of BBs in the loop. Otherwise later pass may end up using the
registers and override the invariant. rdar://7852937
No reasonablly sized test case possible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 07:07:11 +00:00
Nick Lewycky
5c21280d8e Refresh this documentation. Things have changed a bit in the mean time: 
- LLVMgold.so --> libLLVMgold.so
 - the GCC LTO project is no longer 'upcoming'
 - document the plugin support for 'ar' and 'nm'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101624 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 07:00:24 +00:00
Evan Cheng
f2b910922d Fix codegen passes. -disable-ssc shouldn't disable postra machine licm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101622 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:47:47 +00:00
Evan Cheng
e5b51ac770 More work to allow dag combiner to promote 16-bit ops to 32-bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:13:15 +00:00
Evan Cheng
4ff28527bb Another 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 06:12:32 +00:00
Bob Wilson
9f3f061d74 Revise my previous change to ExpandBIT_CONVERT. I hadn't realized that this 
may be called when either the source or destination type is i64, and my
change also hadn't fixed the most obvious problem -- assuming that i64 will
only be bitconverted to f64, ignoring the various vector types.
Radar 7873160.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 05:30:19 +00:00
Evan Cheng
8d1092be64 Add nounwind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 03:43:36 +00:00
Bob Wilson
84bd6b0c31 Re-commit my previous SSAUpdater changes. The previous version naively tried 
to determine where to place PHIs by iteratively comparing reaching definitions
at each block.  That was just plain wrong.  This version now computes the
dominator tree within the subset of the CFG where PHIs may need to be placed,
and then places the PHIs in the iterated dominance frontier of each definition.
The rest of the patch is mostly the same, with a few more performance
improvements added in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 03:08:24 +00:00
Bob Wilson
8295d4c96c As a temporary workaround for post-RA not handling DebugValue instructions, 
just remove them all.  Radar 7873207 (working around the root problem of
Radar 7759363).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:49:11 +00:00
Jakob Stoklund Olesen
23eaf26fa3 Revert "Use a simpler data structure to calculate the least recently used register in RegAllocLocal." 
This reverts commit 101392. It broke a buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101595 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:38:36 +00:00
Dale Johannesen
ab89ff7841 Reapply 101503+101520. These are "obviously correct" [Chris] 
and don't cause any problems on Darwin.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101584 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:08:21 +00:00
Chris Lattner
7e3e3252a1 disable r101565: an assert is getting triggered. More lurking badness no doubt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 00:05:36 +00:00
Chris Lattner
9484689f14 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:52:30 +00:00
Eric Christopher
551754c495 Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:37:20 +00:00
Devang Patel
f2548caaa8 Add support to emit dwarf ranges. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:33:45 +00:00
Jakob Stoklund Olesen
cf7fbd41be Use a simpler data structure to calculate the least recently used register in RegAllocLocal. 
This makes the local register allocator about 20% faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101574 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:32:37 +00:00
Johnny Chen
de0ade4939 Cast to (uint64_t) instead of relying on the "ul" suffix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:30:28 +00:00
Dan Gohman
abf0c3475a Add a getSelectionDAGInfo member to TargetMachine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101567 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:09:10 +00:00
Chris Lattner
6f25d9fa83 update docs for api change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101566 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:07:44 +00:00
Chris Lattner
bde0bb5f88 building on the new CallGraphSCC abstraction, teach CallGraphSCCPassManager 
to keep the node entries in scc_iterator up to date instead of dangling as
the SCC mutates.

This is a really terrible problem which was causing -g to affect codegen 
because it would permute the memory image of the compiler process.

Thanks to Dale for expertly hunting it down.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:04:30 +00:00
Dan Gohman
53c5e42ab9 Add skeleton target-specific SelectionDAGInfo files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:04:22 +00:00
Johnny Chen
af5b0e851e Fixed logic error. Should check Builder for validity before calling SetSession 
on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 23:02:25 +00:00
Chris Lattner
a3dfc646b4 move ReplaceNode out of line, rename scc_iterator::fini -> isAtEnd(). 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101562 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:59:24 +00:00
Dan Gohman
391569c4b9 Regenerate configure script. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:59:06 +00:00
Dan Gohman
e05f609b61 Add an autoconf check for -retain-symbols-file and conditionalize 
use of that option with it. This eliminates an imprecise "Linux"
test, and should help support old versions of gold.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:58:15 +00:00
Johnny Chen
f7e2bc80d1 Minor change to make the test case comply with Vd<0> == '0' when Q == '1'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:48:31 +00:00
Chris Lattner
2decb22222 introduce a new CallGraphSCC class, and pass it around 
to CallGraphSCCPass's instead of passing around a
std::vector<CallGraphNode*>.  No functionality change,
but now we have a much tidier interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:42:17 +00:00
Johnny Chen
c7b65914e0 Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for a 
case.  Also, the 0xFF hex literal involved in the shift for ESize64 should be
suffixed "ul" to preserve the shift result.

Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a
test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:40:20 +00:00
Evan Cheng
003d7c4b5d (i32 sext_in_reg (i32 aext (i16 x)), i16) -> (i32 sext x). No known test case until -promote-16bit is enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 22:26:19 +00:00
Chris Lattner
8b146240a2 tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:57:10 +00:00
Chris Lattner
c93760c3e5 move PrintCallGraphPass out of the middle of CGPassManager. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:43:55 +00:00
Chris Lattner
aef1fea3d3 add a missing break back, patch by Nico Schmidt! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:15:15 +00:00
Dan Gohman
8c0e89925d Create a new TargetSelectionDAGInfo class. This will eventually acquire 
SelectionDAG-specific parts of TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 21:12:11 +00:00
Dan Gohman
4bcf0a9233 Commit this, which should have accompanied 101531. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:22:43 +00:00
Dan Gohman
37f32ee7ff Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:11:05 +00:00
Dan Gohman
7f506a9c7f Fix this code to avoid implicit assumptions about the length of the array. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101530 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 20:08:45 +00:00
Johnny Chen
16fda6982b In the same spirit of r101524, which removed the assert() from printAddrMode2OffsetOperand(), 
this patch removes the assert() from printAddrMode3OffsetOperand() and adds a test case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:57:21 +00:00
Dan Gohman
5b13a1a4c3 Revert 101520, which depended on 101503, which was reverted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:36:41 +00:00
Johnny Chen
2fb10f17d8 Multiclass LdStCop was using pre-UAL syntax LDC<c>L for the L fragment. Changed 
to the UAL syntax of LDCL<c>, instead.

Add a test case for this change which also tests the removal of assert() from
printAddrMode2OffsetOperand().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101527 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:33:23 +00:00
Duncan Sands
f72a53db44 Revert commit 101503 (johannes), in the hope of fixing the dragonegg build, 
see http://google1.osuosl.org:8011/builders/dragonegg-x86_64-linux/builds/693
Original commit text:
Use a ValueMap not a std::map for the reason indicated
in the comment.  This was causing nondeterministic changes
in inlining decisions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:28:59 +00:00
Johnny Chen
d73d187e33 Remove the assert() from printAddrMode2OffsetOperand(). "#0 and #-0" are 
considered legal instructions.

Refs: A8.6.51 LDC, LDC2 (immediate) -- page A8-107, A8.6.58 LDR (immediate, ARM)
-- page A8-121, and A8.6.194 STR (immediate, ARM) -- page A8-395.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101524 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 19:10:52 +00:00
Dan Gohman
899dd9be7f Trim a #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101520 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 18:45:11 +00:00
Dan Gohman
ec1fb6d09a Revert r101455, which fails on the llvm-arm-linux buildbot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 18:37:31 +00:00
Dale Johannesen
d4ed2a8636 Use a ValueMap not a std::map for the reason indicated 
in the comment.  This was causing nondeterministic changes
in inlining decisions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101503 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 18:16:08 +00:00
Evan Cheng
53f6ed9560 80 col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101501 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 17:58:41 +00:00
Evan Cheng
182465c589 80 col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 17:57:59 +00:00
Dan Gohman
33b7a291aa Avoid creating virtual registers for unused values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101480 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 17:15:02 +00:00
Dan Gohman
ac7d05c4bf Fix an assertion string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101478 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:55:18 +00:00
Dan Gohman
a44e522b7d Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101477 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:52:37 +00:00
Dan Gohman
b391bb8947 Disable inlining of recursive calls. It can complicate tailcallelim and 
dependent analyses, and increase code size, so doing it profitably would
require more complex heuristics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101471 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-16 16:01:18 +00:00