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Author SHA1 Message Date
Jakob Stoklund Olesen
25dc2268a5 Try again enabling LiveDebugVariables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123342 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 23:36:21 +00:00
Jason W Kim
8dc602d245 Added clarifying comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123341 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 23:25:02 +00:00
Jason W Kim
650b7d76af JimG sez: "The value-kinds look like masks, but they're not consistently used 
that way, unfortunately. If you want to change them to work additively instead
of a one-variant-kind-per-symbolref, that's great and I completely agree it's
worth doing, but it really should be a separate patch. Until then, this isn't
correct."

So I am reverting this bit until a more opportune time.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 23:21:49 +00:00
Jakob Stoklund Olesen
f0704d28f3 Don't emit a DBG_VALUE for a spill slot that the rewriter decided not to use after all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123339 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 23:14:07 +00:00
Jakob Stoklund Olesen
12a40314a9 Fix braino in dominator tree walk. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123338 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 23:14:04 +00:00
Jakob Stoklund Olesen
f203627f21 Sometimes, old virtual registers can linger on DBG_VALUE instructions. 
Make sure we don't crash in that case, but simply turn them into %noreg instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123335 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 22:37:49 +00:00
Jakob Stoklund Olesen
ee547095bb Teach VirtRegRewriter to update slot indexes when erasing instructions. 
It was leaving dangling pointers in the slot index maps.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123334 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 22:28:51 +00:00
Jakob Stoklund Olesen
7fd747ba24 Annotate VirtRegRewriter debug output with slot indexes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123333 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 22:28:48 +00:00
Jakob Stoklund Olesen
fc69c370e1 Verify slot index ordering. 
The slot indexes must be monotonically increasing through the function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123324 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 21:27:48 +00:00
Jakob Stoklund Olesen
a5f1a900df Assert if anybody tries to put a slot index on a DBG_VALUE instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123323 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 21:27:45 +00:00
Jakob Stoklund Olesen
7bd46dae9c Verify that machine instruction parent pointers are consistent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123322 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 21:27:41 +00:00
Bill Wendling
7caebff83d Sort the register list based on the *actual* register numbers rather than the 
enum values we give to them. <rdar://problem/8823730>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123321 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 21:20:59 +00:00
Devang Patel
85bbd576ea Use SmallVector instead of SmallPtrSet and avoid non-deterministic behavior. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123318 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 19:12:45 +00:00
Matt Beaumont-Gay
5f8a917b65 Mostly undo r123297, but move the default case in EvaluateAsPCRel to the top 
of the switch block to appease GCC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123317 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 18:02:55 +00:00
Nick Lewycky
e45f2dfde6 Add another note taken from the gcc bugzilla. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123315 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 09:06:19 +00:00
Venkatraman Govindaraju
860b64cb1e Implement RETURNADDR and FRAMEADDR lowering in SPARC backend. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123310 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 05:08:36 +00:00
Venkatraman Govindaraju
c178308b23 Remove SPARC backend getpcx instruction's Uses. Also, insert an assert to 
ensure %o7 is not assigned as the destination of getpcx instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123304 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 03:52:59 +00:00
Chris Lattner
d318fc2ceb revert 123144, reenabling the rest of memset formation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123302 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 03:25:15 +00:00
Venkatraman Govindaraju
7d29ffbe5b Fix SPARC backend call instruction so that arguments passed through registers 
are correctly marked as used instead of passing all possible argument registers
as used.  


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123301 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 03:18:21 +00:00
Chris Lattner
d2e905027b revert r123146 which disabled code that wasn't the root cause 
of the bootstrap miscompare issue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123299 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 01:52:23 +00:00
Chris Lattner
2d5c0cd197 revert r123149, reenabling an improvement to memcpyopt that wasn't 
the source of the bootstrap problem.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123298 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 01:43:46 +00:00
Matt Beaumont-Gay
676943b31a Prefer llvm_unreachable to assert(0) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123297 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 01:42:42 +00:00
Jason W Kim
86a97f2e4d 1. Support ELF pcrel relocations for movw/movt: 
R_ARM_MOVT_PREL and R_ARM_MOVW_PREL_NC.
2. Fix minor bug in ARMAsmPrinter - treat bitfield flag as a bitfield, not an enum.
3. Add support for 3 new elf section types (no-ops)




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123294 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-12 00:19:25 +00:00
Jason W Kim
9081b4b4cf Workaround for bug 8721. 
.s Test added.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123292 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 23:53:41 +00:00
Jakob Stoklund Olesen
2df5458535 The world is not ready for LiveDebugVariables yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123290 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 23:20:33 +00:00
Jakob Stoklund Olesen
89f1582616 Remove the PR8954 workaround. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123288 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 22:56:41 +00:00
Jakob Stoklund Olesen
fbbd4abfe5 Fix a non-deterministic loop in llvm::MergeBlockIntoPredecessor. 
DT->changeImmediateDominator() trivially ignores identity updates, so there is
really no need for the uniqueing provided by SmallPtrSet.

I expect this to fix PR8954.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123286 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 22:54:38 +00:00
Jakob Stoklund Olesen
a518ccc26a Enable LiveDebugVariables by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123282 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 22:45:28 +00:00
Venkatraman Govindaraju
f27df33b02 SPARC backend: correct ICC/FCC uses for ADDX and SELECT_CC 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123281 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 22:38:28 +00:00
Cameron Zwarich
d8c120bbd3 Dial back the speculative fix for PR8954 a bit, so that we only recompute dominators 
once at the beginning of GVN instead of once per iteration.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123278 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 22:14:42 +00:00
Jakob Stoklund Olesen
b08773749a Don't insert DBG_VALUE instructions after the first terminator. 
For one, MachineBasicBlock::getFirstTerminator() doesn't understand what is
happening, and it also makes sense to have all control flow run through the
DBG_VALUE.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123277 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 22:11:16 +00:00
Evan Cheng
b72d2a92b7 Clean up ARM subtarget code by using Triple ADT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123276 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 21:46:47 +00:00
Devang Patel
a36478feac Appropriately truncate debug info range in dwarf output. 
This is not yet completely enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123274 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 21:42:10 +00:00
Jakob Stoklund Olesen
113328db1b Put the Dominator improvements back in. They were not the cause of bootstrap miscomparisons. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123273 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 21:23:09 +00:00
Cameron Zwarich
e641863cd2 Attempt to fix the bootstrap buildbot. Rafael says this works for him on x86-64 Linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123270 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 20:23:34 +00:00
Jakob Stoklund Olesen
cbf39b5891 Speculatively revert the recent improvements to Dominators.h in an attempt to track down the gcc bootstrap miscompare. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123254 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 19:26:30 +00:00
Daniel Dunbar
eb9f3f91c0 McARM: Fill in GetMnemonicAcceptInfo(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123253 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 19:06:29 +00:00
Daniel Dunbar
e6e5fbb671 McARM: Write a silly Python script to compute some hard coded info from the 
generated ARM match table, which is substantially more efficient than dealing
with tblgen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123252 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 19:06:26 +00:00
Owen Anderson
a33b6254bb Remove dead variable, const-ref-ize an APInt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123248 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 18:26:37 +00:00
Chris Lattner
f73b99ab43 this pass claims to preserve scev, make sure to tell it about deletions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123247 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 18:14:50 +00:00
Bob Wilson
6c562f69fe Fix a comment: We now have intrinsics for vcvtr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123246 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 17:56:41 +00:00
Chris Lattner
6038a6351e some comment improvements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123243 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 17:11:59 +00:00
Chris Lattner
3a5004dc3e Fix PR8946, a missing reg/reg form of movdqu. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123242 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 17:04:55 +00:00
Daniel Dunbar
3771dd041f McARM: Sketch some logic for determining when to add carry set and predication code operands based on the "canonical mnemonic". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123239 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 15:59:53 +00:00
Daniel Dunbar
352e148cbe McARM: Add more hard coded logic to SplitMnemonicAndCC to also split out the 
carry setting flag from the mnemonic.

Note that this currently involves me disabling a number of working cases in
arm_instructions.s, this is a hopefully short term evil which will be rapidly
fixed (and greatly surpassed), assuming my current approach flies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123238 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 15:59:50 +00:00
Jay Foad
67c619ba3e FixedNumOperandTraits and VariadicOperandTraits assumed that, given a 
"this" pointer for any subclass of User, you could static_cast it to
User* and then reinterpret_cast that to Use* to get the end of the
operand list. This isn't a safe assumption in general, because the
static_cast might adjust the "this" pointer. Fixed by having these
OperandTraits classes take an extra template parameter, which is the
subclass of User. This is groundwork for PR889.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123235 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 15:07:38 +00:00
Frits van Bommel
65fdded319 Factor the actual simplification out of SimplifyIndirectBrOnSelect and into a new helper function so it can be reused in e.g. an upcoming SimplifySwitchOnSelect. 
No functional change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123234 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 12:52:11 +00:00
Oscar Fuentes
19823b19ba Add to the CMake build some options and platform tests supported by 
the traditional build.

Patch by arrowdodger!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123233 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 12:31:54 +00:00
Oscar Fuentes
927d8aee53 Made llvm_replace_compiler_option more robust. Use it on 
llvm_process_sources.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123232 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 12:31:34 +00:00
Kalle Raiskila
b9505f6bed Fix a thinko in 123226 that caused test failures on "other" platforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123229 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-11 11:27:56 +00:00