Owen Anderson [Thu, 3 Jul 2008 17:44:33 +0000 (17:44 +0000)]
Use information already present in the ValueTable to fast-fail when we know there won't be a value number match. This speeds up GVN on a case where there are very few redundancies by ~25%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53108
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Devang Patel [Thu, 3 Jul 2008 17:37:52 +0000 (17:37 +0000)]
Do not try to update dominator info while manipulating CFG. This code does not handle all cases and keeps invalid dom info around some cases, which misleads other passes down stream.
Right now, dom info is recaluclated in the end if the loop is switched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53106
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Owen Anderson [Thu, 3 Jul 2008 17:21:41 +0000 (17:21 +0000)]
Remove the ability for ADCE to remove unreachable blocks in loop nests, because, as Eli pointed out, SimplifyCFG already does this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53104
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Evan Cheng [Thu, 3 Jul 2008 09:09:37 +0000 (09:09 +0000)]
- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc.
- Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53097
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Evan Cheng [Thu, 3 Jul 2008 08:39:51 +0000 (08:39 +0000)]
isel load folding is disabled at -fast. Now hoist the check up to the top level to save some time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53096
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Matthijs Kooijman [Thu, 3 Jul 2008 07:46:41 +0000 (07:46 +0000)]
Add newline at the end of Constants.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53092
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Anton Korobeynikov [Thu, 3 Jul 2008 07:43:14 +0000 (07:43 +0000)]
llvm-gcc sometimes marks external declarations hidden, because intializers are
processed separately. Honour such situation and emit PIC relocations properly
in such case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53091
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Bill Wendling [Thu, 3 Jul 2008 07:10:03 +0000 (07:10 +0000)]
Remove unused function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53090
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Devang Patel [Thu, 3 Jul 2008 07:04:22 +0000 (07:04 +0000)]
Preserve dom info.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53089
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Devang Patel [Thu, 3 Jul 2008 07:02:30 +0000 (07:02 +0000)]
Keep track of inherited analysis (e.g. dominator tree).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53088
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Devang Patel [Thu, 3 Jul 2008 06:50:04 +0000 (06:50 +0000)]
Remove extra FIXME
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53087
91177308-0d34-0410-b5e6-
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Devang Patel [Thu, 3 Jul 2008 06:48:21 +0000 (06:48 +0000)]
Reconstruct dom info, if loop is unswitched.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53086
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Devang Patel [Thu, 3 Jul 2008 05:55:03 +0000 (05:55 +0000)]
LoopUnswitch does not preserve dominator info in all cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53085
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Dan Gohman [Thu, 3 Jul 2008 01:18:51 +0000 (01:18 +0000)]
Reapply r52988, "Simplify addRegisterKilled and addRegisterDead." The
254.gap failure was not due to this mod.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53068
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Dan Gohman [Thu, 3 Jul 2008 00:59:36 +0000 (00:59 +0000)]
Use operator new instead of new char[].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53067
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Dan Gohman [Thu, 3 Jul 2008 00:53:09 +0000 (00:53 +0000)]
Use operator new instead of new char[].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53066
91177308-0d34-0410-b5e6-
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Dan Gohman [Thu, 3 Jul 2008 00:52:03 +0000 (00:52 +0000)]
Avoid unnecessarily copying APInt objects.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53065
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Dan Gohman [Thu, 3 Jul 2008 00:51:05 +0000 (00:51 +0000)]
Correct a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53064
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Evan Cheng [Thu, 3 Jul 2008 00:28:27 +0000 (00:28 +0000)]
Use std::replace instead of std::find and push_back.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53063
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Devang Patel [Thu, 3 Jul 2008 00:08:13 +0000 (00:08 +0000)]
Undo previous patch. It is not that simple to fix dom info here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53062
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Evan Cheng [Thu, 3 Jul 2008 00:07:19 +0000 (00:07 +0000)]
- 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
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Evan Cheng [Thu, 3 Jul 2008 00:04:51 +0000 (00:04 +0000)]
commuteInstruction should preserve dead markers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53060
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Owen Anderson [Wed, 2 Jul 2008 23:41:07 +0000 (23:41 +0000)]
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
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Dan Gohman [Wed, 2 Jul 2008 23:23:19 +0000 (23:23 +0000)]
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
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Devang Patel [Wed, 2 Jul 2008 22:58:54 +0000 (22:58 +0000)]
Preserve dom info while simplifing loop after the unswitch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53052
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Eric Christopher [Wed, 2 Jul 2008 22:57:59 +0000 (22:57 +0000)]
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
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Dan Gohman [Wed, 2 Jul 2008 22:12:55 +0000 (22:12 +0000)]
Revert r52988. It broke 254.gap on x86-64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53050
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Owen Anderson [Wed, 2 Jul 2008 21:28:58 +0000 (21:28 +0000)]
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
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Chuck Rose III [Wed, 2 Jul 2008 21:02:51 +0000 (21:02 +0000)]
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
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Owen Anderson [Wed, 2 Jul 2008 18:42:07 +0000 (18:42 +0000)]
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
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Owen Anderson [Wed, 2 Jul 2008 18:41:09 +0000 (18:41 +0000)]
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
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Owen Anderson [Wed, 2 Jul 2008 18:15:31 +0000 (18:15 +0000)]
Avoid a redundant call.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53040
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Owen Anderson [Wed, 2 Jul 2008 18:05:19 +0000 (18:05 +0000)]
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
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Mon P Wang [Wed, 2 Jul 2008 17:50:10 +0000 (17:50 +0000)]
Make the default min align of CreateStackTemporary to be 1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53036
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Duncan Sands [Wed, 2 Jul 2008 17:40:58 +0000 (17:40 +0000)]
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
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Owen Anderson [Wed, 2 Jul 2008 17:32:04 +0000 (17:32 +0000)]
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
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Owen Anderson [Wed, 2 Jul 2008 17:29:59 +0000 (17:29 +0000)]
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
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Owen Anderson [Wed, 2 Jul 2008 17:20:16 +0000 (17:20 +0000)]
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
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Mon P Wang [Wed, 2 Jul 2008 17:07:12 +0000 (17:07 +0000)]
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
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Chris Lattner [Wed, 2 Jul 2008 17:01:57 +0000 (17:01 +0000)]
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
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Matthijs Kooijman [Wed, 2 Jul 2008 13:54:58 +0000 (13:54 +0000)]
Update link to testing guide to use the new title.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53018
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Duncan Sands [Wed, 2 Jul 2008 10:03:53 +0000 (10:03 +0000)]
Fix typo compounded by a cut-and-pasto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53012
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Duncan Sands [Wed, 2 Jul 2008 09:56:41 +0000 (09:56 +0000)]
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
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Evan Cheng [Wed, 2 Jul 2008 09:23:51 +0000 (09:23 +0000)]
- Use a faster priority comparison function if -fast.
- Code clean up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53010
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Chris Lattner [Wed, 2 Jul 2008 05:30:45 +0000 (05:30 +0000)]
optimize StringMap::clear
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53009
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Chris Lattner [Wed, 2 Jul 2008 05:26:32 +0000 (05:26 +0000)]
Add a new (simple) StringMap::clear method, patch by Pratik
Solanki!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53008
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Devang Patel [Wed, 2 Jul 2008 01:44:29 +0000 (01:44 +0000)]
reuse vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53007
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Devang Patel [Wed, 2 Jul 2008 01:31:19 +0000 (01:31 +0000)]
Fix comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53006
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Devang Patel [Wed, 2 Jul 2008 01:18:13 +0000 (01:18 +0000)]
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
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Bill Wendling [Wed, 2 Jul 2008 00:50:02 +0000 (00:50 +0000)]
Use the canonical form for getting an empty structure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53003
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Bill Wendling [Wed, 2 Jul 2008 00:35:47 +0000 (00:35 +0000)]
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
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Ted Kremenek [Wed, 2 Jul 2008 00:06:55 +0000 (00:06 +0000)]
Implemented operator!= for the ImmutableList iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52998
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Owen Anderson [Tue, 1 Jul 2008 23:49:59 +0000 (23:49 +0000)]
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
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Bill Wendling [Tue, 1 Jul 2008 23:34:48 +0000 (23:34 +0000)]
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
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Evan Cheng [Tue, 1 Jul 2008 23:18:29 +0000 (23:18 +0000)]
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
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Owen Anderson [Tue, 1 Jul 2008 22:34:11 +0000 (22:34 +0000)]
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
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Ted Kremenek [Tue, 1 Jul 2008 22:30:13 +0000 (22:30 +0000)]
Added partial specialization of FoldingSetTrait for pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52989
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Evan Cheng [Tue, 1 Jul 2008 22:21:21 +0000 (22:21 +0000)]
Simplify addRegisterKilled and addRegisterDead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52988
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Bill Wendling [Tue, 1 Jul 2008 22:08:01 +0000 (22:08 +0000)]
- Update comments.
- Don't use GlobalVariable::LinkageTypes when unsigned works.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52987
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Dale Johannesen [Tue, 1 Jul 2008 21:50:49 +0000 (21:50 +0000)]
Considering predecessors of exit blocks gets
us a little more tail merging.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52986
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Dale Johannesen [Tue, 1 Jul 2008 21:50:14 +0000 (21:50 +0000)]
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
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Devang Patel [Tue, 1 Jul 2008 21:41:00 +0000 (21:41 +0000)]
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-
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Devang Patel [Tue, 1 Jul 2008 21:36:11 +0000 (21:36 +0000)]
Disable dom info verifier by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52983
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Evan Cheng [Tue, 1 Jul 2008 21:35:46 +0000 (21:35 +0000)]
Eliminate a compile time warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52982
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Owen Anderson [Tue, 1 Jul 2008 21:16:27 +0000 (21:16 +0000)]
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
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Bill Wendling [Tue, 1 Jul 2008 21:00:31 +0000 (21:00 +0000)]
Remove warning about initialization order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52980
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Devang Patel [Tue, 1 Jul 2008 19:50:56 +0000 (19:50 +0000)]
Fix typos in comments.
Thanks for the feedback!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52978
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Evan Cheng [Tue, 1 Jul 2008 18:49:06 +0000 (18:49 +0000)]
DAGSize should not be public.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52977
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Dan Gohman [Tue, 1 Jul 2008 18:15:35 +0000 (18:15 +0000)]
Prune a few dependencies on MachineFunction.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52976
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Evan Cheng [Tue, 1 Jul 2008 18:15:04 +0000 (18:15 +0000)]
Do run ComputeLiveOutVRegInfo with -fast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52975
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Dan Gohman [Tue, 1 Jul 2008 18:13:58 +0000 (18:13 +0000)]
Make ilist_traits<MachineBasicBlock>'s Parent member private.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52974
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Dan Gohman [Tue, 1 Jul 2008 18:12:31 +0000 (18:12 +0000)]
Fix apostrophes in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52972
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Evan Cheng [Tue, 1 Jul 2008 18:05:03 +0000 (18:05 +0000)]
Do not use computationally expensive scheduling heuristics with -fast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52971
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Evan Cheng [Tue, 1 Jul 2008 17:59:20 +0000 (17:59 +0000)]
Apply Chris' suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52970
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Devang Patel [Tue, 1 Jul 2008 17:44:24 +0000 (17:44 +0000)]
Add dom info verifier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52967
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Owen Anderson [Tue, 1 Jul 2008 17:34:38 +0000 (17:34 +0000)]
Make the subregister hashtable output more readable by wrapping the lines,
and mark it const along with the associated changes to TargetRegisterInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52966
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Owen Anderson [Tue, 1 Jul 2008 15:56:31 +0000 (15:56 +0000)]
Use delete[] instead of free on an array created with new[].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52960
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Duncan Sands [Tue, 1 Jul 2008 08:00:49 +0000 (08:00 +0000)]
Highlight that getMergeValues optimization is
being suppressed here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52952
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Owen Anderson [Tue, 1 Jul 2008 07:02:30 +0000 (07:02 +0000)]
Implement suggestions from Chris:
- Use a more accurate heuristic for the size of the hashtable.
- Use bitwise and instead of modulo since the size is a power of two.
- Use new[] instead of malloc().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52951
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Seo Sanghyeon [Tue, 1 Jul 2008 05:27:28 +0000 (05:27 +0000)]
Compilation fix
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52950
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Owen Anderson [Tue, 1 Jul 2008 00:40:58 +0000 (00:40 +0000)]
Properly handle cases where a predecessor of the block being queried on is unreachable.
This fixes PR2503, though we should also fix other passes not to emit this kind of code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52946
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Owen Anderson [Tue, 1 Jul 2008 00:18:52 +0000 (00:18 +0000)]
Replace the dynamically computed std::set lookup method for subregisters with a hashtable-based
version that is computed by tblgen at the time LLVM is compiled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52945
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Dan Gohman [Tue, 1 Jul 2008 00:16:26 +0000 (00:16 +0000)]
Minimize duplicated code in AsmPrinter::printLabel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52944
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Dan Gohman [Tue, 1 Jul 2008 00:05:16 +0000 (00:05 +0000)]
Split ISD::LABEL into ISD::DBG_LABEL and ISD::EH_LABEL, eliminating
the need for a flavor operand, and add a new SDNode subclass,
LabelSDNode, for use with them to eliminate the need for a label id
operand.
Change instruction selection to let these label nodes through
unmodified instead of creating copies of them. Teach the MachineInstr
emitter how to emit a MachineInstr directly from an ISD label node.
This avoids the need for allocating SDNodes for the label id and
flavor value, as well as SDNodes for each of the post-isel label,
label id, and label flavor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52943
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Chuck Rose III [Mon, 30 Jun 2008 22:37:57 +0000 (22:37 +0000)]
Adding some missing files to VStudio project files. Switching to use generated llvmAsmParser.cpp/.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52935
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Evan Cheng [Mon, 30 Jun 2008 22:33:56 +0000 (22:33 +0000)]
Suppress compiler warning.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52934
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Evan Cheng [Mon, 30 Jun 2008 22:33:16 +0000 (22:33 +0000)]
Don't run stack slot coloring if -fast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52933
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Dan Gohman [Mon, 30 Jun 2008 22:23:08 +0000 (22:23 +0000)]
Don't use ISD namespace opcodes for MachineInstrs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52932
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Dan Gohman [Mon, 30 Jun 2008 22:21:03 +0000 (22:21 +0000)]
Use a simpler but equivalent form of RecordSource.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52931
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Evan Cheng [Mon, 30 Jun 2008 22:10:09 +0000 (22:10 +0000)]
Add timing report for various sub-passes under SelectionDAGISel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52930
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Dan Gohman [Mon, 30 Jun 2008 22:03:41 +0000 (22:03 +0000)]
std::ostream and std::string microoptimizations for asm printing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52929
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Dan Gohman [Mon, 30 Jun 2008 21:45:13 +0000 (21:45 +0000)]
Make SmallVector's grow use memcpy in common cases
instead of std::uninitialized_copy, which uses memmove.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52928
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Dan Gohman [Mon, 30 Jun 2008 21:33:02 +0000 (21:33 +0000)]
Use plain operator new instead of new char[].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52927
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Dan Gohman [Mon, 30 Jun 2008 21:04:06 +0000 (21:04 +0000)]
Use reserve.
SelectionDAG::allnodes_size is linear, but that doesn't appear to
outweigh the benefit of reducing heap traffic. If it does become a
problem, we should teach SelectionDAG to keep a count of how many
nodes are live, because there are several other places where that
information would be useful as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52926
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Dan Gohman [Mon, 30 Jun 2008 21:00:56 +0000 (21:00 +0000)]
Update comments to new-style syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52925
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Dan Gohman [Mon, 30 Jun 2008 20:59:49 +0000 (20:59 +0000)]
Rename ISD::LOCATION to ISD::DBG_STOPPOINT to better reflect its
purpose, and give it a custom SDNode subclass so that it doesn't
need to have line number, column number, filename string, and
directory string, all existing as individual SDNodes to be the
operands.
This was the only user of ISD::STRING, StringSDNode, etc., so
remove those and some associated code.
This makes stop-points considerably easier to read in
-view-legalize-dags output, and reduces overhead (creating new
nodes and copying std::strings into them) on code containing
debugging information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52924
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Evan Cheng [Mon, 30 Jun 2008 20:45:06 +0000 (20:45 +0000)]
Split scheduling from instruction selection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52923
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Ted Kremenek [Mon, 30 Jun 2008 20:41:22 +0000 (20:41 +0000)]
Added some comments and some cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52922
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Dale Johannesen [Mon, 30 Jun 2008 20:40:16 +0000 (20:40 +0000)]
No need to align the stack if there are no stack
objects. Fixes a couple of tests on Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52921
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Evan Cheng [Mon, 30 Jun 2008 20:38:22 +0000 (20:38 +0000)]
Remove unneeded include.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52920
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