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33251 Commits

Author SHA1 Message Date
Tanya Lattner 872bf1bdc3 Modify deleting global variable with an even easier way. 
llvm-svn: 37676
 2007-06-20 20:46:37 +00:00
Devang Patel eeff910244 Update AnalysisGroup documentation to document restriction that allows 
only one ImmutablePass in a group.

llvm-svn: 37675
 2007-06-20 18:51:14 +00:00
Tanya Lattner 1a08cf311e Add blurb on deleting global variables. 
llvm-svn: 37674
 2007-06-20 18:33:15 +00:00
Owen Anderson b0714bb7bb Make GVNPRE accurate report whether it modified the function or not. 
llvm-svn: 37673
 2007-06-20 18:30:20 +00:00
Evan Cheng 85010166a6 Added some if-conversion tests. 
llvm-svn: 37672
 2007-06-20 18:26:15 +00:00
Owen Anderson 7b0fb44ca9 Get rid of an unneeded helper function. 
llvm-svn: 37670
 2007-06-20 00:43:33 +00:00
Evan Cheng 77d61e6f6d Be more conservative of duplicating blocks. 
llvm-svn: 37669
 2007-06-19 23:55:02 +00:00
Owen Anderson 1ad2c10215 Use a DenseMap instead of an std::map for the value numbering. This reduces the time to optimize lencod on a PPC Debug build from ~300s to ~140s. 
llvm-svn: 37668
 2007-06-19 23:23:54 +00:00
Owen Anderson 2320d430bd Make dependsOnInvoke much more specific in what it tests, which in turn make it much faster to run. This reduces the time to optimize lencondwith a debug build on PPC from ~450s to ~300s. 
llvm-svn: 37667
 2007-06-19 23:07:16 +00:00
Tanya Lattner c655839d71 Moved Inliner.h to include/llvm/Transforms/IPO/InlinerPass.h 
llvm-svn: 37666
 2007-06-19 22:31:52 +00:00
Tanya Lattner ab11b1c702 Inliner pass header file was moved. 
llvm-svn: 37665
 2007-06-19 22:29:50 +00:00
Tanya Lattner 39be2d896d Move inliner pass header file. 
llvm-svn: 37664
 2007-06-19 22:29:02 +00:00
Evan Cheng a955c02c9b Avoid if-converting simple block that ends with unconditional branch or fallthrough unless it branches / falls to the 'false' block. Not profitable, may end up increasing code size. 
llvm-svn: 37660
 2007-06-19 21:45:13 +00:00
Evan Cheng c3c949b473 Allow predicated immediate ARM to ARM calls. 
llvm-svn: 37659
 2007-06-19 21:05:09 +00:00
Chris Lattner cd74c3ea7c Fix pr1448 
llvm-svn: 37658
 2007-06-19 16:46:48 +00:00
Dan Gohman 32f53bbd85 Rename ScalarEvolution::deleteInstructionFromRecords to 
deleteValueFromRecords and loosen the types to all it to accept
Value* instead of just Instruction*, since this is what
ScalarEvolution uses internally anyway. This allows more flexibility
for future uses.

llvm-svn: 37657
 2007-06-19 14:28:31 +00:00
Dan Gohman a7644dd9b9 Pass a SelectionDAG into SDNode::dump everywhere it's used, in prepration 
for needing the DAG node to print pre-legalize extended value types, and
to get better debug messages with target-specific nodes.

llvm-svn: 37656
 2007-06-19 14:13:56 +00:00
Owen Anderson 1370faf889 Handle constants in phi nodes properly. This fixes test/Transforms/GVNPRE/2007-06-18-ConstantInPhi.ll 
llvm-svn: 37655
 2007-06-19 07:35:36 +00:00
Chris Lattner b4777f087a silence warning when assertions are disabled. 
llvm-svn: 37654
 2007-06-19 06:40:46 +00:00
Owen Anderson 0b7c12be82 Testcase for instances where a constant only occurs as an operand to a phi node. 
llvm-svn: 37653
 2007-06-19 05:55:01 +00:00
Chris Lattner 5551482f16 don't use binutils 2.17 
llvm-svn: 37652
 2007-06-19 05:52:36 +00:00
Chris Lattner 37228f6ce5 document and hide two options. 
llvm-svn: 37651
 2007-06-19 05:47:49 +00:00
Chris Lattner 7936d91f70 describe an argument, hide it. 
llvm-svn: 37650
 2007-06-19 05:46:06 +00:00
Chris Lattner 09a33a4f64 silence a bogus warning Duraid ran into. 
llvm-svn: 37649
 2007-06-19 05:43:49 +00:00
Owen Anderson 3552c9e845 Add a new testcase for memory corruption issues. 
llvm-svn: 37648
 2007-06-19 05:41:22 +00:00
Owen Anderson 91c54950b3 Be careful to erase values from all of the appropriate sets when they're not needed anymore. This fixes a few more memory-related issues. 
llvm-svn: 37647
 2007-06-19 05:37:32 +00:00
Owen Anderson b9cbaed623 Remember to clear the maximal sets between functions. 
Thanks to Nicholas for valgrinding this.

llvm-svn: 37646
 2007-06-19 04:32:55 +00:00
Owen Anderson b56fba0c5a Refactor GVNPRE to use a much smart method of uniquing value sets, and centralize a lot of the value numbering information. No functionality change. 
llvm-svn: 37645
 2007-06-19 03:31:41 +00:00
Dan Gohman 9e82064924 Replace M_REMATERIALIZIBLE and the newly-added isOtherReMaterializableLoad 
with a general target hook to identify rematerializable instructions. Some
instructions are only rematerializable with specific operands, such as loads
from constant pools, while others are always rematerializable. This hook
allows both to be identified as being rematerializable with the same
mechanism.

llvm-svn: 37644
 2007-06-19 01:48:05 +00:00
Evan Cheng a7ca624028 Replace TargetInstrInfo::CanBeDuplicated() with a M_NOT_DUPLICABLE bit. 
llvm-svn: 37643
 2007-06-19 01:26:51 +00:00
Evan Cheng 7d5696860b Replace CanBeDuplicated() with a M_NOT_DUPLICABLE bit. 
llvm-svn: 37642
 2007-06-19 01:21:41 +00:00
Chris Lattner 944200be45 If a function is vararg, never pass inreg arguments in registers. Thanks to 
Anton for half of this patch.

llvm-svn: 37641
 2007-06-19 00:13:10 +00:00
Chris Lattner 26be02febf add isVarArg to CCState 
llvm-svn: 37640
 2007-06-19 00:11:09 +00:00
Chris Lattner f401b2b4c3 add isvararg tracking to CCState 
llvm-svn: 37639
 2007-06-19 00:10:25 +00:00
Chris Lattner f2b72bf921 testcase for PR1513 
llvm-svn: 37638
 2007-06-19 00:08:42 +00:00
Evan Cheng 6ba3e8b27d New test case: identity operation of RHS / LHS of a VECTOR_SHUFFLE. 
llvm-svn: 37637
 2007-06-19 00:06:08 +00:00
Evan Cheng cea02ffd05 Look for VECTOR_SHUFFLE that's identity operation on either LHS or RHS. This can happen before DAGCombiner catches it. 
llvm-svn: 37636
 2007-06-19 00:02:56 +00:00
Tanya Lattner bed1d4d877 Update docs for llvm.var.annotation intrinsic. 
llvm-svn: 37635
 2007-06-18 23:42:37 +00:00
Evan Cheng 0598b2d5eb Fix some fragile code wrt CFG edge updating. 
llvm-svn: 37634
 2007-06-18 22:44:57 +00:00
Evan Cheng 2afd702c20 Move CorrectExtraCFGEdges() from BranchFolding.cpp to a MachineBasicBlock method. 
llvm-svn: 37633
 2007-06-18 22:43:58 +00:00
Tanya Lattner aab2200844 Modify annotate intrinsic to take 2 additional args: file and line number. 
Fix up Annotate attribute test case.
Fix DebugFilename.c test case to look for right file name.

llvm-svn: 37632
 2007-06-18 22:23:39 +00:00
Chris Lattner b4f2d8a056 add helper 
llvm-svn: 37631
 2007-06-18 21:50:49 +00:00
Devang Patel d56e4919df Fix quotes in debug messages. 
llvm-svn: 37630
 2007-06-18 21:32:29 +00:00
Chris Lattner e31adc8ab9 make ComputeTopDownOrdering significantly faster and use less stack space 
by making it non-recursive

llvm-svn: 37629
 2007-06-18 21:28:10 +00:00
Dan Gohman eed125f315 In SCEVAddExpr::get, skip over any cast operands before looking for nested 
add operands after constant operands. The recent change to recognize
sign-extend expressions caused this to be exposed more often.

llvm-svn: 37628
 2007-06-18 19:30:09 +00:00
Anton Korobeynikov 02b0997b28 Make BasicAliasAnalysis correctly register itself. Patch by Devang 
llvm-svn: 37627
 2007-06-18 17:13:29 +00:00
Dan Gohman 8c7333266c Make chain dependencies blue, in addition to being dashed. 
llvm-svn: 37626
 2007-06-18 15:30:16 +00:00
Dan Gohman c98815ba32 Define the pushq instruction for x86-64. 
llvm-svn: 37625
 2007-06-18 14:12:56 +00:00
Dan Gohman 03a7e5368a Add keyword explicit. 
llvm-svn: 37624
 2007-06-18 14:11:31 +00:00
Evan Cheng 51eb2c3bbe Properly remove duplicate instructions as result of diamond if-conversion. Other bug fixes. 
llvm-svn: 37623
 2007-06-18 08:37:25 +00:00