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Author SHA1 Message Date
Eli Friedman
2adc5b6a17 PR9420; an instruction before an unreachable is guaranteed not to have any 
reachable uses, but there still might be uses in dead blocks.  Use the
standard solution of replacing all the uses with undef.  This is
a rare case because it's very sensitive to phase ordering in SimplifyCFG.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127299 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 00:48:33 +00:00
Eric Christopher
e11128dd9d Fix testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127298 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 00:41:41 +00:00
Bill Wendling
620d0cc7ac * Correct encoding for VSRI. 
* Add tests for VSRI and VSLI.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127297 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 00:33:17 +00:00
Jakob Stoklund Olesen
f46aa914c8 Delete dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127295 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 00:07:39 +00:00
Bill Wendling
c04a9dea78 Correct the encoding for VRSRA and VSRA instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127294 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 00:00:35 +00:00
Bill Wendling
7c6b608a7c * Fix VRSHR and VSHR to have the correct encoding for the immediate. 
* Update the NEON shift instruction test to expect what 'as' produces.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127293 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 23:48:09 +00:00
Jakob Stoklund Olesen
5881799d0c Delete dead code after rematerializing. 
LiveRangeEdit::eliminateDeadDefs() will eventually be used by coalescing,
splitting, and spilling for dead code elimination. It can delete chains of dead
instructions as long as there are no dependency loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127287 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 22:46:11 +00:00
Devang Patel
5aa3fa6d82 llvm.dbg.declare intrinsic does not use any llvm::Values. It's magic! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127282 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 22:12:11 +00:00
Stuart Hastings
19ba42eda2 Reverting testcase at 4126896; r126672 broke something else. <rdar://problem/9055247> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127278 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 21:54:17 +00:00
Bill Wendling
93f017648d Once again try to appease the buildbot gods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127272 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 21:36:29 +00:00
Benjamin Kramer
e5ef311ee3 Strip cruft. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127269 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 20:19:10 +00:00
Eric Christopher
2b24e7f3df Add a testcase for r127263. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127266 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:49:15 +00:00
Bill Wendling
230b08322d Try to fix the compilation error due to type incombatibility. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127265 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:39:35 +00:00
Jakob Stoklund Olesen
5bf76cd119 Fix the build for MSVC 9 whose upper_bound() wants to compare elements in the sorted array. 
Patch by Olaf Krzikalla!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127264 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:37:54 +00:00
Eric Christopher
29449448b0 Fix some latent bugs if the nodes are unschedulable. We'd gotten away 
with this before since none of the register tracking or nightly tests
had unschedulable nodes.

This should probably be refixed with a special default Node that just
returns some "don't touch me" values.

Fixes PR9427


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127263 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:35:47 +00:00
Stuart Hastings
4cdcb36289 Stop building PPC parts on OSX. Radar 8637926. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127262 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:28:28 +00:00
Oscar Fuentes
3aefa7771d Revert "Make a comparator's argument `const'. This fixes the build for 
MSVC 9."

The "fix" was meaningless.

This reverts commit r127245.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127260 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:26:21 +00:00
Jim Grosbach
8270da8baf Darwin 'as' silently ignores the '.ident' directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127258 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 19:17:19 +00:00
John McCall
cdc06fa3c7 Typo. Patch by arrowdodger. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127256 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 18:01:22 +00:00
Benjamin Kramer
f337fb2fa8 Reduce vector reallocations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127254 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 17:28:36 +00:00
Chris Lattner
db04b81014 fix incorrect comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127252 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 16:59:03 +00:00
Devang Patel
a83688fcb5 Since last couple of days, argument number is encoded using 8 bits from line number field in argument's debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127250 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 16:29:40 +00:00
Devang Patel
90d81f1dd5 Update DILexicalBlock doc to mention new fields. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127249 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 16:25:29 +00:00
Benjamin Kramer
c175a4bd7e X86: Fix the (saddo/ssub x, 1) -> incl/decl selection to check the right operand for 1. 
Found by inspection.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127247 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 15:20:20 +00:00
Justin Holewinski
c6f24f4086 PTX: Add intrinsic support for ntid, ctaid, and nctaid registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127246 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 14:10:18 +00:00
Oscar Fuentes
86e4eeb6c7 Make a comparator's argument `const'. This fixes the build for MSVC 9. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127245 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 13:52:07 +00:00
Oscar Fuentes
f88befd9ee Remove remnant of my experimentation with CMake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127244 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 13:30:52 +00:00
Duncan Sands
606199fb85 Fix PR9331. Simplified version of a patch by Jakub Staszak. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127243 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 12:39:03 +00:00
NAKAMURA Takumi
c61ac5120d lib/Support/regcomp.c: Fix cygwin warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127241 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 12:25:29 +00:00
NAKAMURA Takumi
78a8295146 Use $(ECHOPATH) to make llvm-lit from llvm-lit.in. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127240 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 12:25:19 +00:00
NAKAMURA Takumi
027248567b Reapply r127073(partially): Introduce $(ECHOPATH) to print DOSish path string on MSYS bash for alternative of $(ECHO). 
On mingw and python/w32, lit would not be expected to understand MSYS-style path.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127239 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 12:25:10 +00:00
Bill Wendling
caa5a5dedb Testcase for r127187. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127236 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 10:27:58 +00:00
Bill Wendling
38e1f88db4 Don't show commands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127224 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 08:34:49 +00:00
Nick Lewycky
dcf77575d2 Reorder comments to put them the right way around. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127220 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 06:29:47 +00:00
Devang Patel
290342a157 While sinking an instruction, do not lose llvm.dbg.value intrinsic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127214 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 03:06:19 +00:00
Bill Wendling
ebc2fc1e2c Change the next release number to 3.0svn. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127213 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 03:00:02 +00:00
Bill Wendling
591432136c A few more tests for instruction encodings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127209 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 02:51:48 +00:00
Eric Christopher
7c2cdb1c05 Turn on list-ilp scheduling by default on x86 and x86-64, fix up 
testcases accordingly. Some are currently xfailed and will be filed
as bugs to be fixed or understood.

Performance results:

roughly neutral on SPEC
some micro benchmarks in the llvm suite are up between 100 and 150%, only
a pair of regressions that are due to be investigated

john-the-ripper saw:
10% improvement in traditional DES
8% improvement in BSDI DES
59% improvement in FreeBSD MD5
67% improvement in OpenBSD Blowfish
14% improvement in LM DES

Small compile time impact.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127208 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 02:42:25 +00:00
Andrew Trick
0bf56c821c Further improvements to pre-RA-sched=list-ilp. 
This change uses the MaxReorderWindow for both height and depth, which
tends to limit the negative effects of high register pressure.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 01:51:56 +00:00
Bob Wilson
79f56c9618 Fix a compiler crash where a Glue value had multiple uses. Radar 9049552. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127198 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 01:17:20 +00:00
Bob Wilson
1b772f9962 Fix comment typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-08 01:17:16 +00:00
Bill Wendling
3116dce338 Rename the narrow shift right immediate operands to "shr_imm*" operands. Also 
expand the testing of the narrowing shift right instructions.

No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127193 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 23:38:41 +00:00
Jakob Stoklund Olesen
0d8ccaa5c8 Let shrinkToUses optionally return a list of now dead machine instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 23:29:10 +00:00
Eric Christopher
d756eceb83 Typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127186 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 22:48:16 +00:00
Devang Patel
cd77a50e63 Preserve line no. info. 
Radar 9097659


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127182 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 22:43:45 +00:00
Jakob Stoklund Olesen
1973b3e254 Make the UselessRegs argument optional in the LiveRangeEdit constructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127181 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 22:42:16 +00:00
Cameron Zwarich
be2119e8e2 Move getRegPressureLimit() from TargetLoweringInfo to TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127175 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 21:56:36 +00:00
Rafael Espindola
e390b3245f Add test for r127138. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127172 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 21:28:14 +00:00
Duncan Sands
e54f64899f Often GCC can see that NumBuckets is zero here, resulting in a warning 
about possibly swapped memset parameters.  Avoid the warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127170 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 19:38:38 +00:00
Jim Grosbach
42daf912e0 Tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127169 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-07 19:28:43 +00:00