Commit Graph

69221 Commits

Author SHA1 Message Date
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
Eric Christopher
48eec43fdb Revert the testcase from the previous reverted commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123227 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 09:20:44 +00:00
Kalle Raiskila
76020ed6f3 Add a "nop filler" pass to SPU.
Filling no-ops is done just before emitting of assembly,
when the instruction stream is final. No-ops are inserted
to align the instructions so the dual-issue of the pipeline
is utilized. This speeds up generated code with a minimum of 
1% on a select set of algorithms.

This pass may be redundant if the instruction scheduler and 
all subsequent passes that modify the instruction stream 
(prolog+epilog inserter, register scavenger, are there others?)
are made aware of the instruction alignments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123226 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 09:07:54 +00:00
Eric Christopher
87376839a6 Temporarily revert 123133, it's causing some regressions and I'm trying
to get a testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123225 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 09:02:09 +00:00
Chris Lattner
3077ca97bd update memdep when an instruction is deleted. This code isn't
actually reached in the testcase in PR8954, but it's safe and good
practice.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123224 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 08:19:16 +00:00
Chris Lattner
b6810991a9 when MergeBlockIntoPredecessor merges two blocks, update MemDep if it
is floating around in the ether.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123223 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 08:16:49 +00:00
Chris Lattner
b5b7997fd0 Fix FoldSingleEntryPHINodes to update memdep and AA when it deletes
phi nodes.  It is called from MergeBlockIntoPredecessor which is 
called from GVN, which claims to preserve these.

I'm skeptical that this is the actual problem behind PR8954, but
this is a stab in the right direction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123222 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 08:13:40 +00:00
Chris Lattner
b298db7253 random cleanups
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123221 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 08:00:40 +00:00
Chris Lattner
86099ba2b5 merge tests into one crash.ll test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123220 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 07:50:07 +00:00
Chris Lattner
93767fdb61 remove a bogus assertion: the latch block of a loop is not
neccesarily an uncond branch to the header.  This fixes 
PR8955 (the assertion tripping).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123219 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 07:47:59 +00:00
Chris Lattner
9651870815 the GEP faq says that only inbounds geps are guaranteed to not overflow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123218 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 06:44:41 +00:00
Jakob Stoklund Olesen
f7624bc6dd Revert r123207: "Turn on memdep's verifyRemoved() in an attempt to smoke out the cause of our gcc bootstrap miscompare."
It didn't.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123215 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 04:05:39 +00:00
Michael J. Spencer
218dc3e2fe Support/Path: Deprecate PathV1::isDirectory and replace all uses with PathV2::is_directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123209 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 01:21:55 +00:00
Jakob Stoklund Olesen
121704d738 Turn on memdep's verifyRemoved() in an attempt to smoke out the cause of our gcc bootstrap miscompare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123207 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 01:18:03 +00:00
Chandler Carruth
15ed90c859 Teach constant folding to perform conversions from constant floating
point values to their integer representation through the SSE intrinsic
calls. This is the last part of a README.txt entry for which I have real
world examples.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123206 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 01:07:24 +00:00
Chandler Carruth
f7b0047f5f FileCheck-ize a test, and move a no-longer calling test case to another
file and make it actually test something...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123205 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 01:07:20 +00:00
Owen Anderson
da1c122da5 Fix a random missed optimization by making InstCombine more aggressive when determining which bits are demanded by
a comparison against a constant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123203 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 00:36:45 +00:00
Eric Christopher
93c70426f5 Move ExpandAtomic into the integer expansion routines - it's only used there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123202 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-11 00:36:08 +00:00