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Author SHA1 Message Date
Evan Cheng
be04dc1413 - Add LiveVariables::replaceKillInstruction. This does a subset of instructionChanged. That is, it only update the VarInfo.kills if the new instruction is known to have the correct dead and kill markers. 
- CommuteInstruction copies kill / dead markers over to new instruction. So use replaceKillInstruction instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53061 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-03 00:07:19 +00:00
Evan Cheng
457b88fb95 commuteInstruction should preserve dead markers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53060 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-03 00:04:51 +00:00
Owen Anderson
f660c171c8 Make LiveVariables even more optional, by making it optional in the call to TargetInstrInfo::convertToThreeAddressInstruction 
Also, if LV isn't around, then TwoAddr doesn't need to be updating flags, since they won't have been set in the first place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53058 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 23:41:07 +00:00
Dan Gohman
cd920d9ecf Replace a few uses of SelectionDAG::getTargetNode with 
SelectionDAG::SelectNodeTo in the instruction selector. This
updates existing nodes in place instead of creating new ones.

Go back to selecting ISD::DBG_LABEL nodes into
TargetInstrInfo::DBG_LABEL nodes instead of leaving them
unselected, now that SelectNodeTo allows us to update them
in place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53057 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 23:23:19 +00:00
Devang Patel
501e763dfe Preserve dom info while simplifing loop after the unswitch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53052 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 22:58:54 +00:00
Eric Christopher
9bd64ea1d9 Add a couple more helper functions to deal with 
creating global constant strings and pointers
to global constant strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53051 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 22:57:59 +00:00
Dan Gohman
8b69135f05 Revert r52988. It broke 254.gap on x86-64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53050 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 22:12:55 +00:00
Owen Anderson
802af11460 TwoAddressInstructionPass doesn't really require LiveVariables, it just needs to update it if it's already around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53049 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 21:28:58 +00:00
Chuck Rose III
d3f506a53a VStudio x64 build fixes. Looks like the x64 projects got out of date and this brings them up to code. I've built the project with these new vcproj files for win32 and x64 both debug and release. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53047 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 21:02:51 +00:00
Owen Anderson
735e6eabf1 Use ADCE instead of just DCE. ADCE will better clean up after jump threading, 
for instance.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53045 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 18:42:07 +00:00
Owen Anderson
ea6462bfd0 Use df_ext_iterator to capture the reachable set without allocating an extra set. 
Also, move large sets and vectors out of instance variables and onto the stack,
and give them more reasonable sizes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53044 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 18:41:09 +00:00
Owen Anderson
cb29a4f66a Avoid a redundant call. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53040 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 18:15:31 +00:00
Owen Anderson
77d76b7ef7 Add support to ADCE for pruning unreachable blocks. This addresses the final 
part of PR2509.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53038 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 18:05:19 +00:00
Mon P Wang
6ed2d1ecdb Make the default min align of CreateStackTemporary to be 1 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53036 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:50:10 +00:00
Duncan Sands
4bdcb61af3 Add a new getMergeValues method that does not need 
to be passed the list of value types, and use this
where appropriate.  Inappropriate places are where
the value type list is already known and may be
long, in which case the existing method is more
efficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53035 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:40:58 +00:00
Owen Anderson
2c04b0da2b Use DenseSet rather than SmallPtrSet for the alive set. Using SmallPtrSet 
with a huge "size" parameter is actually quite inefficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53034 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:32:04 +00:00
Owen Anderson
93ee2fd7da Have DenseSet::insert return a bool indicating whether the insertion succeeded or not. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53033 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:29:59 +00:00
Owen Anderson
f2aa160b35 A better fix for PR2503 that doesn't pessimize GVN in the presence of unreachable blocks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53032 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:20:16 +00:00
Mon P Wang
bee98c66c0 Fixed problem in EmitStackConvert where the source and target type 
have different alignment by creating a stack slot with the max
alignment of source and target type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53031 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:07:12 +00:00
Chris Lattner
349db1738d instead of aborting on shifts of i1, just implicitly fold them. 
The dag combiner can produce a shift of i1 when folding icmp i1's.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53030 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 17:01:57 +00:00
Matthijs Kooijman
9d3edca443 Update link to testing guide to use the new title. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 13:54:58 +00:00
Duncan Sands
8dd5af562b Fix typo compounded by a cut-and-pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53012 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 10:03:53 +00:00
Duncan Sands
3a38e5e3c4 Let AnalyzeNewNode take care of calling ExpungeNode. 
This makes sure that all new nodes are expunged, not
just those the top node of a new subtree.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53011 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 09:56:41 +00:00
Evan Cheng
c6be777208 - Use a faster priority comparison function if -fast. 
- Code clean up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53010 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 09:23:51 +00:00
Chris Lattner
509e4f30e8 optimize StringMap::clear 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 05:30:45 +00:00
Chris Lattner
fce6e546aa Add a new (simple) StringMap::clear method, patch by Pratik 
Solanki!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53008 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 05:26:32 +00:00
Devang Patel
1e41f6d724 reuse vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 01:44:29 +00:00
Devang Patel
2095c38c7a Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 01:31:19 +00:00
Devang Patel
e6962dfb64 Preserve loop data so that it is not fetched everytime it is needed. 
Keep track of currentLoop.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53005 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 01:18:13 +00:00
Bill Wendling
3a43a7f8b2 Use the canonical form for getting an empty structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53003 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 00:50:02 +00:00
Bill Wendling
12432cfc59 Sorry. I couldn't sleep at night knowing I put these ugly casts into the source tree. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53001 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 00:35:47 +00:00
Ted Kremenek
445723bfb0 Implemented operator!= for the ImmutableList iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52998 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-02 00:06:55 +00:00
Owen Anderson
72e61b8501 Add a version of AddString that takes a const char* so we can avoid extraneous 
conversions to std::string.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 23:49:59 +00:00
Bill Wendling
aa8f8889a8 Darwin doesn't need exception handling information for the "move" info when 
debug information is being output, because it's leet!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 23:34:48 +00:00
Evan Cheng
6547e406cf Avoid creating expensive comment string if it's not going to be printed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52992 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 23:18:29 +00:00
Owen Anderson
4474c792c6 No need to use std::distance. We can just count the number of operands 
much more cheaply.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 22:34:11 +00:00
Ted Kremenek
e1bf7fdcb4 Added partial specialization of FoldingSetTrait for pointers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52989 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 22:30:13 +00:00
Evan Cheng
1096734011 Simplify addRegisterKilled and addRegisterDead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52988 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 22:21:21 +00:00
Bill Wendling
a28cd12b06 - Update comments. 
- Don't use GlobalVariable::LinkageTypes when unsigned works.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52987 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 22:08:01 +00:00
Dale Johannesen
ecdc82a643 Considering predecessors of exit blocks gets 
us a little more tail merging.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52986 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:50:49 +00:00
Dale Johannesen
62bc8a4486 Fix longstanding thinko: don't exclude 
predessors of exit blocks from tail merging
consideration.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52985 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:50:14 +00:00
Devang Patel
a45a9e416f Fix dom tree compare. Don't forget to compare children! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52984 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:41:00 +00:00
Devang Patel
f35cfe11ef Disable dom info verifier by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52983 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:36:11 +00:00
Evan Cheng
6518c6ed7e Eliminate a compile time warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52982 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:35:46 +00:00
Owen Anderson
25995093e7 Add a version of AsmPrinter::EOL that takes a const char* so that we don't have to do as many implicit std::string constructions. 
Unfortunately, this doesn't appear to translate to a real speedup in practice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52981 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:16:27 +00:00
Bill Wendling
836ba9d7e7 Remove warning about initialization order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52980 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 21:00:31 +00:00
Devang Patel
844a3d163b Fix typos in comments. 
Thanks for the feedback!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52978 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 19:50:56 +00:00
Evan Cheng
e2c0a4fad5 DAGSize should not be public. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52977 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:49:06 +00:00
Dan Gohman
2dad0250f6 Prune a few dependencies on MachineFunction.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52976 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:15:35 +00:00
Evan Cheng
f1a792bc59 Do run ComputeLiveOutVRegInfo with -fast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52975 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-01 18:15:04 +00:00