Dale Johannesen [Wed, 10 Mar 2010 22:13:47 +0000 (22:13 +0000)]
Progress towards shepherding debug info through SelectionDAG.
No functional effect yet. This is still evolving and should
not be viewed as final.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98195
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Chris Lattner [Wed, 10 Mar 2010 21:42:42 +0000 (21:42 +0000)]
move PR6576 here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98194
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Chris Lattner [Wed, 10 Mar 2010 21:27:53 +0000 (21:27 +0000)]
add DESTDIR support for TOOLALIAS, for PR6557, patch by
Matthias Klose!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98193
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Dan Gohman [Wed, 10 Mar 2010 21:04:53 +0000 (21:04 +0000)]
Fix another bitwidth calculation to handle vector types; based on a
patch by Micah Villmow for PR6572.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98188
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Daniel Dunbar [Wed, 10 Mar 2010 20:58:31 +0000 (20:58 +0000)]
MC/Mach-O: Use the MCAssembler symbol map instead of reconstructing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98187
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Daniel Dunbar [Wed, 10 Mar 2010 20:58:29 +0000 (20:58 +0000)]
MC: Move the backend section and symbol data maps to MCAssembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98186
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Daniel Dunbar [Wed, 10 Mar 2010 20:58:25 +0000 (20:58 +0000)]
Remove unneeded declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98185
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Jim Grosbach [Wed, 10 Mar 2010 20:01:30 +0000 (20:01 +0000)]
Make sure the LR gets pushed in functions that use vaargs. This fixes
400.perlbench for the nightly tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98183
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Jim Grosbach [Wed, 10 Mar 2010 19:59:47 +0000 (19:59 +0000)]
comment why we use custom epilogue for t1 functions using vaargs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98182
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Dale Johannesen [Wed, 10 Mar 2010 19:57:56 +0000 (19:57 +0000)]
Fix another place where DEBUG_VALUE affected codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98181
91177308-0d34-0410-b5e6-
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Dan Gohman [Wed, 10 Mar 2010 19:38:49 +0000 (19:38 +0000)]
Add a DominatorTree argument to isLCSSA so that it doesn't have to
compute a set of reachable blocks for itself each time it is called, which
is fairly frequently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98179
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Dan Gohman [Wed, 10 Mar 2010 19:31:51 +0000 (19:31 +0000)]
Constant-fold GEP-of-GEP into a single GEP.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98178
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Dan Gohman [Wed, 10 Mar 2010 19:00:54 +0000 (19:00 +0000)]
Fix whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98173
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Johnny Chen [Wed, 10 Mar 2010 18:59:38 +0000 (18:59 +0000)]
Factored out the disassembly printing of CPS option, MSR mask, and Negative Zero
operands into their own PrintMethod, in order not to pollute the printOperand()
impl with disassembly only Imm modifiers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98172
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Tobias Grosser [Wed, 10 Mar 2010 18:41:59 +0000 (18:41 +0000)]
Fix make check with cmake/lit
PR6540: Set the newly introduced variables ENABLE_SHARED and
SHLIBPATH_VAR in lit.site.cfg not only in the autoconf build, but also
in a cmake one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98171
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Richard Osborne [Wed, 10 Mar 2010 18:14:47 +0000 (18:14 +0000)]
The backend now makes a reasonable job of targeting lmul / macc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98169
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Richard Osborne [Wed, 10 Mar 2010 18:12:27 +0000 (18:12 +0000)]
Handle MVT::i64 type in DAG combine for ISD::ADD. Fold 64 bit
expression add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if all
operands are zero extended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98168
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Daniel Dunbar [Wed, 10 Mar 2010 17:56:05 +0000 (17:56 +0000)]
Remove unneeded includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98167
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Bob Wilson [Wed, 10 Mar 2010 17:54:11 +0000 (17:54 +0000)]
Testcase for pr6552. I changed the code to use "ip" instead of "fp" because
the "fp" register name is not valid on Darwin, and the "ip" register name was
broken for all ARM targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98166
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Richard Osborne [Wed, 10 Mar 2010 17:16:29 +0000 (17:16 +0000)]
Fix checking of intermediates having one use in isADDADDMUL
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98164
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Richard Osborne [Wed, 10 Mar 2010 17:10:35 +0000 (17:10 +0000)]
Extract recognition of patterns such as add(add(mul(x,y),a),b)
into a seperate function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98162
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Richard Osborne [Wed, 10 Mar 2010 16:27:11 +0000 (16:27 +0000)]
Fix thinko.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98158
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Richard Osborne [Wed, 10 Mar 2010 16:19:31 +0000 (16:19 +0000)]
Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediate
results are unused elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98157
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Benjamin Kramer [Wed, 10 Mar 2010 16:04:20 +0000 (16:04 +0000)]
Remove duplicated code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98156
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Dale Johannesen [Wed, 10 Mar 2010 15:06:26 +0000 (15:06 +0000)]
Fix a bug in DEBUG_VALUE handling Devang ran into.
I'll get this loop right yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98155
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Richard Osborne [Wed, 10 Mar 2010 13:27:10 +0000 (13:27 +0000)]
Prefer LMUL to MACCU as LMUL has no tied operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98153
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Richard Osborne [Wed, 10 Mar 2010 13:20:07 +0000 (13:20 +0000)]
Custom lower (S|U)MUL_LOHI -> MACC(S|U)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98152
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Richard Osborne [Wed, 10 Mar 2010 11:42:05 +0000 (11:42 +0000)]
Fix indentation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98151
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Richard Osborne [Wed, 10 Mar 2010 11:41:08 +0000 (11:41 +0000)]
Lower add (mul a, b), c into MACCU / MACCS nodes which translate
directly to the maccu / maccs instructions. We handle this in
ExpandADDSUB since after type legalisation it is messy to
recognise these operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98150
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Richard Osborne [Wed, 10 Mar 2010 11:24:03 +0000 (11:24 +0000)]
Convert test to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98148
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Chris Lattner [Wed, 10 Mar 2010 07:20:42 +0000 (07:20 +0000)]
move three lowering hooks from MAI to TLOF and make one of them
semantic instead of syntactic. This completes MCization of
darwin/x86[-64]!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98145
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Evan Cheng [Wed, 10 Mar 2010 07:07:55 +0000 (07:07 +0000)]
Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98142
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Evan Cheng [Wed, 10 Mar 2010 07:07:45 +0000 (07:07 +0000)]
Unbreak test on Linux.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98141
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Dale Johannesen [Wed, 10 Mar 2010 05:45:47 +0000 (05:45 +0000)]
This survived a bootstrap, so let's try 98104 again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98137
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Evan Cheng [Wed, 10 Mar 2010 03:07:41 +0000 (03:07 +0000)]
Enable machine cse pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98132
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Chris Lattner [Wed, 10 Mar 2010 02:48:06 +0000 (02:48 +0000)]
mcize the rest of EH emission, only one more directive missing
for darwin/x86 to be completely mcized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98130
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Chris Lattner [Wed, 10 Mar 2010 02:29:31 +0000 (02:29 +0000)]
add missing filename!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98125
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Chris Lattner [Wed, 10 Mar 2010 02:25:11 +0000 (02:25 +0000)]
set the temporary bit on MCSymbols correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98124
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Dan Gohman [Wed, 10 Mar 2010 02:18:48 +0000 (02:18 +0000)]
Fix a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98122
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Evan Cheng [Wed, 10 Mar 2010 02:12:03 +0000 (02:12 +0000)]
Add a couple more heuristics to neuter machine cse some more.
1. Be careful with cse "cheap" expressions. e.g. constant materialization. Only cse them when the common expression is local or in a direct predecessor. We don't want cse of cheap instruction causing other expressions to be spilled.
2. Watch out for the case where the expression doesn't itself uses a virtual register. e.g. lea of frame object. If the common expression itself is used by copies (common for passing addresses to function calls), don't perform the cse. Since these expressions do not use a register, it creates a live range but doesn't close any, we want to be very careful with increasing register pressure.
Note these are heuristics so machine cse doesn't make register allocator unhappy. Once we have proper live range splitting and re-materialization support in place, these should be evaluated again.
Now machine cse is almost always a win on llvm nightly tests on x86 and x86_64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98121
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Daniel Dunbar [Wed, 10 Mar 2010 02:10:29 +0000 (02:10 +0000)]
MC/Mach-O: Resolve a FIXME; these relocation types are no longer semanticaly different.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98120
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Dan Gohman [Wed, 10 Mar 2010 01:29:39 +0000 (01:29 +0000)]
Clarify the documentation for MachineFunctionPasses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98119
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Chris Lattner [Wed, 10 Mar 2010 01:29:27 +0000 (01:29 +0000)]
eliminate MCContext::CreateSymbol and CreateTemporarySymbol.
Add a new GetOrCreateTemporarySymbol method and a version that
takes a twine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98118
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Chris Lattner [Wed, 10 Mar 2010 01:17:49 +0000 (01:17 +0000)]
inline away a form of IsPCRelative, eliminating the
dead IsPCRel argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98117
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Chris Lattner [Wed, 10 Mar 2010 01:04:13 +0000 (01:04 +0000)]
add some fixme's for MCizing. EH still has a few things that
need to be MCized, but the last debug info thing are LEB and
cygwin specific (which the MC api doesn't support yet) and
one specific form of EmitReference which I'll tackle next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98116
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Daniel Dunbar [Wed, 10 Mar 2010 00:58:25 +0000 (00:58 +0000)]
MC/Mach-O: Use the SECTDIFF relocation type for (A - B + constant) where A is external.
- I'm not sure why, but this is what 'as' does.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98115
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Jim Grosbach [Wed, 10 Mar 2010 00:13:42 +0000 (00:13 +0000)]
Clear up the last (famous last words) frame index value reuse issues for Thumb1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98109
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Dale Johannesen [Wed, 10 Mar 2010 00:11:34 +0000 (00:11 +0000)]
Speculatively revert 98104; could be what's causing crashes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98108
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Chris Lattner [Wed, 10 Mar 2010 00:09:21 +0000 (00:09 +0000)]
mcize uses of PrintRelDirective and eliminate it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98107
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Chris Lattner [Tue, 9 Mar 2010 23:54:52 +0000 (23:54 +0000)]
inline the bool form of PrintRelDirective away, leaving just the unsigned form.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98106
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Chris Lattner [Tue, 9 Mar 2010 23:52:58 +0000 (23:52 +0000)]
eliminate EOL, adding all comments with the OutStreamer.AddComment
method. With this, comments should end up on the same lines as the .byte
directives (for example) and we now get no output with:
$ llc CodeGen/X86/2009-02-12-DebugInfoVLA.ll -o - -filetype=null -asm-verbose
woot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98105
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Dale Johannesen [Tue, 9 Mar 2010 23:52:37 +0000 (23:52 +0000)]
Ever more complicated DEBUG_VALUE fixes for branch folding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98104
91177308-0d34-0410-b5e6-
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Dan Gohman [Tue, 9 Mar 2010 23:46:50 +0000 (23:46 +0000)]
Avoid analyzing instructions in blocks not reachable from the entry block.
They are lots of trouble, and they don't matter. This fixes PR6559.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98103
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Chris Lattner [Tue, 9 Mar 2010 23:38:23 +0000 (23:38 +0000)]
eliminate a bunch of \n's that are being printed to O. Next up is to kill
off "EOL".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98102
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Chris Lattner [Tue, 9 Mar 2010 23:19:15 +0000 (23:19 +0000)]
convert the non-"ispcrel" case of EmitReference to MC,
significant debug info testcases are now all going through
MCStreamer, though they print a lot of extraneous newlines to "O".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98101
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Chris Lattner [Tue, 9 Mar 2010 23:12:18 +0000 (23:12 +0000)]
make the NullStreamer set the section on a label when emitted so that isDefined() works.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98100
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 23:02:17 +0000 (23:02 +0000)]
Try to keep the cached inliner costs around for a bit longer for big functions.
The Caller cost info would be reset everytime a callee was inlined. If the
caller has lots of calls and there is some mutual recursion going on, the
caller cost info could be calculated many times.
This patch reduces inliner runtime from 240s to 0.5s for a function with 20000
small function calls.
This is a more conservative version of r98089 that doesn't break the clang
test CodeGenCXX/temp-order.cpp. That test relies on rather extreme inlining
for constant folding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98099
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Tue, 9 Mar 2010 22:50:46 +0000 (22:50 +0000)]
MC/X86: Rename alternate spellings of ADD{8,16,32} and mark as "code gen only" so they don't get selected by the asm matcher.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98098
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Tue, 9 Mar 2010 22:50:40 +0000 (22:50 +0000)]
MC/X86: Rename alternate spellings of CMP{8,16,32} and mark as "code gen only" so they don't get selected by the asm matcher.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98097
91177308-0d34-0410-b5e6-
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Chandler Carruth [Tue, 9 Mar 2010 22:45:10 +0000 (22:45 +0000)]
Continue propagating the GoogleTest flags until we can update our version to
eliminate this problem. This will hopefully let us make progress on Linux
bootstrapping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98095
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 22:43:37 +0000 (22:43 +0000)]
Revert r98089, it was breaking a clang test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98094
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 22:17:11 +0000 (22:17 +0000)]
Try to keep the cached inliner costs around for a bit longer for big functions.
The Caller cost info would be reset everytime a callee was inlined. If the
caller has lots of calls and there is some mutual recursion going on, the
caller cost info could be calculated many times.
This patch reduces inliner runtime from 240s to 0.5s for a function with 20000
small function calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98089
91177308-0d34-0410-b5e6-
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 22:17:06 +0000 (22:17 +0000)]
Permit inlining into huge functions. This heuristic is ancient, and inlining
can sometimes help reduce function size.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98088
91177308-0d34-0410-b5e6-
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Jim Grosbach [Tue, 9 Mar 2010 21:45:49 +0000 (21:45 +0000)]
Change the Value argument to eliminateFrameIndex to a type-tagged value. This
is preparatory to having PEI's scavenged frame index value reuse logic
properly distinguish types of frame values (e.g., whether the value is
stack-pointer relative or frame-pointer relative).
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98086
91177308-0d34-0410-b5e6-
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Johnny Chen [Tue, 9 Mar 2010 21:39:34 +0000 (21:39 +0000)]
MSR (Move to Special Register from ARM core register) requires a mask to specify
what fields of the CPSR or SPSR are affected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98085
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Daniel Dunbar [Tue, 9 Mar 2010 21:27:58 +0000 (21:27 +0000)]
MC/Mach-O: For PCrel relocations, we need to compensate for the PCrel adjustment when determining if we need a scattered relocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98082
91177308-0d34-0410-b5e6-
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Daniel Dunbar [Tue, 9 Mar 2010 21:27:47 +0000 (21:27 +0000)]
MC/Mach-O: Also set the PCrel bit in the second half of paired relocation entries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98081
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Daniel Dunbar [Tue, 9 Mar 2010 21:27:30 +0000 (21:27 +0000)]
MC/Mach-O: Don't generate relocations for PCrel fixups to local labels.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98080
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Dale Johannesen [Tue, 9 Mar 2010 20:15:42 +0000 (20:15 +0000)]
The address of an indirect call must be in R12 on Darwin.
Make it so. (This patch is in LowerCall_Darwin, which seems
to be used by SVR4 code as well; since that doesn't belong here,
I haven't worried about this case.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98077
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Chandler Carruth [Tue, 9 Mar 2010 19:24:49 +0000 (19:24 +0000)]
Consolidate GoogleTest make options and duplicate them to its own makefile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98074
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Jim Grosbach [Tue, 9 Mar 2010 19:07:28 +0000 (19:07 +0000)]
scavenged frame index value re-use gets confused when more than one base
register is involved for thumb1. Work around this for the moment by only
re-using SP-relative offsets. This is temporary 'til the code can distinguish
multiple base registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98071
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Bill Wendling [Tue, 9 Mar 2010 18:31:07 +0000 (18:31 +0000)]
The ARM EH experiment worked!
Place the LSDA into the TEXT section for ARM platforms. This involves making the
encoding indirect, pcrel, and sdata4 instead of an absolute pointer. The
references to the type infos are then non-lazy pointers. Revision 98019 changed
the encoding of non-lazy pointers to add the symbol to the non-lazy pointer
definition if it's a local symbol (otherwise, it's external and set to '0' so
that the loader can adjust it to the real value). This paved the way for this
change to work on ARM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98068
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Richard Osborne [Tue, 9 Mar 2010 16:34:25 +0000 (16:34 +0000)]
In cases where the carry / borrow unused converted ladd / lsub
to an add or a sub.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98059
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Richard Osborne [Tue, 9 Mar 2010 16:13:57 +0000 (16:13 +0000)]
Canonicalize ladd constant to RHS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98058
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Richard Osborne [Tue, 9 Mar 2010 16:07:47 +0000 (16:07 +0000)]
Add DAG combine for ladd / lsub.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98057
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Duncan Sands [Tue, 9 Mar 2010 09:03:21 +0000 (09:03 +0000)]
Attempt to fix random build failures seen when doing highly
parallel builds: the gold plugin fails to link because the lto
library is in the middle of being written out by the linker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98054
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Evan Cheng [Tue, 9 Mar 2010 06:38:17 +0000 (06:38 +0000)]
Allow more cross-rc coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98048
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Chris Lattner [Tue, 9 Mar 2010 04:54:43 +0000 (04:54 +0000)]
reapply r98035:
Now that setStartLabel takes an MCSymbol, we can de-ID'ize
beginScope and RecordSourceLine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98047
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Chris Lattner [Tue, 9 Mar 2010 04:48:35 +0000 (04:48 +0000)]
add some extra checks. I'm not sure why, but this does unbreak a
failure remaining on mainline.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98046
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Evan Cheng [Tue, 9 Mar 2010 04:04:38 +0000 (04:04 +0000)]
Revert accidental commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98045
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 03:56:06 +0000 (03:56 +0000)]
Don't do illegal cross-class coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98044
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Evan Cheng [Tue, 9 Mar 2010 03:21:12 +0000 (03:21 +0000)]
- Make the machine cse dumb coalescer (as opposed to the more awesome simple
coalescer) handle sub-register classes.
- Add heuristics to avoid non-profitable cse. Given the current lack of live
range splitting, avoid cse when an expression has PHI use and the would be
new use is in a BB where the expression wasn't already being used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98043
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Dan Gohman [Tue, 9 Mar 2010 03:01:40 +0000 (03:01 +0000)]
Don't try to fold V_SET0 and V_SETALLONES to loads in medium and
large code models.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98042
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Bill Wendling [Tue, 9 Mar 2010 02:46:12 +0000 (02:46 +0000)]
This is part of an LLC-beta test used to test <rdar://problem/
6804645>. Please
bear with the awful code. It won't last in its current state beyond tonight.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98040
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Eric Christopher [Tue, 9 Mar 2010 02:36:31 +0000 (02:36 +0000)]
Speculatively revert r98035. It appears to have caused a set of buildbot
failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98039
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Dan Gohman [Tue, 9 Mar 2010 02:15:05 +0000 (02:15 +0000)]
Attempt to make this debug output meaningful, both in the case of
multibyte opcodes and in the case of multiple scopes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98036
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Chris Lattner [Tue, 9 Mar 2010 02:08:02 +0000 (02:08 +0000)]
Now that setStartLabel takes an MCSymbol, we can de-ID'ize
beginScope and RecordSourceLine.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98035
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Chris Lattner [Tue, 9 Mar 2010 01:58:53 +0000 (01:58 +0000)]
change DbgScope to keep track of the start/end label as MCSymbol*
now that the dependence on ID is removed from MMI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98034
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Dan Gohman [Tue, 9 Mar 2010 01:53:33 +0000 (01:53 +0000)]
Make isLCSSA ignore uses in blocks not reachable from the entry block,
as LCSSA no longer transforms such uses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98033
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Chris Lattner [Tue, 9 Mar 2010 01:52:43 +0000 (01:52 +0000)]
remove a useless optimization: now that label replacement never
happens, the start/end of a scope can never be the same.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98032
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Chris Lattner [Tue, 9 Mar 2010 01:51:43 +0000 (01:51 +0000)]
strength reduce MMI::MappedLabel to MMI::isLabelDeleted,
and add a FIXME about how we are eventually going to zap this
lookup table once mc world domination is complete.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98031
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Chris Lattner [Tue, 9 Mar 2010 01:29:59 +0000 (01:29 +0000)]
inline RemapLabel into its only caller and simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98029
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Daniel Dunbar [Tue, 9 Mar 2010 01:12:23 +0000 (01:12 +0000)]
MC/Mach-O: Tweak .dump() formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98028
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Daniel Dunbar [Tue, 9 Mar 2010 01:12:20 +0000 (01:12 +0000)]
MC/Mach-O: Don't adjust section sizes when aligning zero fill sections, just pad the address.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98027
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Dale Johannesen [Tue, 9 Mar 2010 01:08:11 +0000 (01:08 +0000)]
Another place where debug info affected codegen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98026
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Chris Lattner [Tue, 9 Mar 2010 01:02:30 +0000 (01:02 +0000)]
mcstreamerize AsmPrinter::printLabel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98025
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 00:59:53 +0000 (00:59 +0000)]
Add inlining threshold to log output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98024
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Jakob Stoklund Olesen [Tue, 9 Mar 2010 00:59:48 +0000 (00:59 +0000)]
Disable physical register coalescing when the number of live ranges for the
physreg becomes ridiculously high.
std::upper_bound may be log(N), but for sufficiently large live intervals, it
becomes log(N)*cachemiss = a long long time.
This patch improves coalescer time by 4500x for a function with 20000
function calls. The generated code is different, but not significantly worse -
the allocator hints are almost as good as physreg coalescing anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98023
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Devang Patel [Tue, 9 Mar 2010 00:44:10 +0000 (00:44 +0000)]
Start using DIFile. See updated SourceLevelDebugging.html for more information.
This patch updates LLVMDebugVersion to 8.
Debug info descriptors encoded using LLVMDebugVersion 7 is supported.
Corresponding llvmgcc and clang FE commits are required.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98020
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Bill Wendling [Tue, 9 Mar 2010 00:43:34 +0000 (00:43 +0000)]
Print blank line and clear stubs vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98019
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