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91 Commits

Author SHA1 Message Date
Chandler Carruth
9e67db4af1 Flip the new block-placement pass to be on by default. 
This is mostly to test the waters. I'd like to get results from FNT
build bots and other bots running on non-x86 platforms.

This feature has been pretty heavily tested over the last few months by
me, and it fixes several of the execution time regressions caused by the
inlining work by preventing inlining decisions from radically impacting
block layout.

I've seen very large improvements in yacr2 and ackermann benchmarks,
along with the expected noise across all of the benchmark suite whenever
code layout changes. I've analyzed all of the regressions and fixed
them, or found them to be impossible to fix. See my email to llvmdev for
more details.

I'd like for this to be in 3.1 as it complements the inliner changes,
but if any failures are showing up or anyone has concerns, it is just
a flag flip and so can be easily turned off.

I'm switching it on tonight to try and get at least one run through
various folks' performance suites in case SPEC or something else has
serious issues with it. I'll watch bots and revert if anything shows up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154816 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-16 13:49:17 +00:00
Rafael Espindola
ce167840b2 No need to run llvm-as. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153890 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-04-02 19:44:20 +00:00
Eli Bendersky
cc85160672 Continue cleanup of LIT, getting rid of the remaining artifacts from dejagnu 
* Removed test/lib/llvm.exp - it is no longer needed 
* Deleted the dg.exp reading code from test/lit.cfg. There are no dg.exp files
  left in the test suite so this code is no longer required. test/lit.cfg is
  now much shorter and clearer 
* Removed a lot of duplicate code in lit.local.cfg files that need access to
  the root configuration, by adding a "root" attribute to the TestingConfig
  object. This attribute is dynamically computed to provide the same
  information as was previously provided by the custom getRoot functions. 
* Documented the config.root attribute in docs/CommandGuide/lit.pod





git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153408 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-03-25 09:02:19 +00:00
Eli Bendersky
0f0c411079 Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed. 
Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150664 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-16 06:28:33 +00:00
Benjamin Kramer
44aac553f6 FileCheck hygiene. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147580 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-05 00:43:34 +00:00
Chris Lattner
d2bf432b2b Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145171 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-27 06:54:59 +00:00
Richard Osborne
0e6c1c536b Don't fold negative offsets into cp / dp accesses to avoid relocation errors. 
This can happen if the address + addend is less than the start of the cp / dp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143459 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-01 11:31:53 +00:00
Richard Osborne
441ed4ac23 Combine various XCore tests for floating point intrinsic support into a single test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143458 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-01 10:51:48 +00:00
Richard Osborne
70ad3951e4 Move various XCore tests to FileCheck 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-11-01 10:41:28 +00:00
Richard Osborne
a1d16b53e8 Associate a MemOperand with LDWCP nodes introduced during ISel. 
This information is required if we want LDWCP to be hoisted out of loops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139495 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-12 14:43:23 +00:00
Duncan Sands
4a544a79bd Split the init.trampoline intrinsic, which currently combines GCC's 
init.trampoline and adjust.trampoline intrinsics, into two intrinsics
like in GCC.  While having one combined intrinsic is tempting, it is
not natural because typically the trampoline initialization needs to
be done in one function, and the result of adjust trampoline is needed
in a different (nested) function.  To get around this llvm-gcc hacks the
nested function lowering code to insert an additional parent variable
holding the adjust.trampoline result that can be accessed from the child
function.  Dragonegg doesn't have the luxury of tweaking GCC code, so it
stored the result of adjust.trampoline in the memory GCC set aside for
the trampoline itself (this is always available in the child function),
and set up some new memory (using an alloca) to hold the trampoline.
Unfortunately this breaks Go which allocates trampoline memory on the
heap and wants to use it even after the parent has exited (!).  Rather
than doing even more hacks to get Go working, it seemed best to just use
two intrinsics like in GCC.  Patch mostly by Sanjoy Das.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139140 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-06 13:37:06 +00:00
Richard Osborne
8f9c5cca4f Add Uses=[SP] to call instructions. This fixes a miscompilation with a 
variable sized alloca.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138433 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 13:32:43 +00:00
Richard Osborne
c4dcf323cc Add intrinsics for SETEV, GETED, GETET. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137938 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-18 13:00:48 +00:00
Richard Osborne
965b891762 Fix crash with varargs function with no named parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136623 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-01 16:45:59 +00:00
Richard Osborne
c8007ab582 Add intrinsics for the zext / sext instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135476 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 13:28:50 +00:00
Richard Osborne
829bef1a46 Add intrinsics for the testct, testwct instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135475 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 13:00:40 +00:00
Richard Osborne
dee3dd9129 Add intrinsics for the peek and endin instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135474 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-07-19 12:50:25 +00:00
Chris Lattner
d589099eec make the asmparser reject function and type redefinitions. 'Merging' hasn't been 
needed since llvm-gcc 3.4 days.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133248 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-06-17 07:06:44 +00:00
Richard Osborne
9497466190 Add XCore intrinsic for crc8. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132340 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 16:24:49 +00:00
Richard Osborne
7736c37c14 Add XCore intrinsic for crc32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132336 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 14:47:36 +00:00
Richard Osborne
bc5fd67b53 Convert test to FileCheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132335 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-31 14:00:05 +00:00
Jakob Stoklund Olesen
22d28d2372 Fix register-dependent XCore tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130816 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-05-04 01:01:41 +00:00
Jakob Stoklund Olesen
a6f7499244 Fix Mips, Sparc, and XCore tests that were dependent on register allocation. 
Add an extra run with -regalloc=basic to keep them honest.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128654 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 18:42:43 +00:00
Richard Osborne
e8f3533323 Add XCore intrinsics for initializing / starting / synchronizing threads. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128633 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-31 15:13:13 +00:00
Richard Osborne
11bd0784d9 Add XCore intrinsic for setpsc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127821 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-17 18:42:05 +00:00
Richard Osborne
e17139b3e9 Add XCore intrinsics for setclk, setrdy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127761 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-16 21:56:00 +00:00
Richard Osborne
bb057453db Add checkevent intrinsic to check if any resources owned by the current thread 
can event.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127741 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-16 18:34:00 +00:00
Richard Osborne
8ae8cf4559 On the XCore the scavenging slot should be closest to the SP. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127680 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-15 15:10:11 +00:00
Richard Osborne
5aad8b3e78 Add XCore intrinsics for getps, setps, setsr and clrsr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127678 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-15 13:45:47 +00:00
Benjamin Kramer
7bff3e7c1b Fix mistyped CHECK lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127366 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-09 22:07:31 +00:00
Joerg Sonnenberger
89e0f386f3 Be nice to Xcore and the XMOS assembler and avoid quoting section names 
that contain only letters, digits and the characters "_" and ".".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 20:03:14 +00:00
Joerg Sonnenberger
ea83b13350 Bug#9033: For the ELF assembler output, always quote the section name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126963 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 22:31:08 +00:00
Richard Osborne
21d7eb3f3b Add XCore intrinsic for eeu instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126384 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-24 13:39:18 +00:00
Richard Osborne
d04b4937d1 Add XCore intrinsic for clre instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126322 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 18:52:05 +00:00
Richard Osborne
9935bd0819 Add llvm.xcore.waitevent intrinsic. The effect of this intrinsic is to enable 
events on the thread and wait until a resource is ready to event. The vector
of the resource that is ready is returned.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126320 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 18:35:59 +00:00
Richard Osborne
292f62e06f Add XCore intrinsic for the setv instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126315 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 16:46:37 +00:00
Richard Osborne
2a2cb28526 Add XCore intrinsic for settw instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126313 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 14:45:03 +00:00
Richard Osborne
d83318450b Add XCore intrinsics for various instructions on ports. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126132 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-21 18:23:30 +00:00
Richard Osborne
59982f3ffc Add intrinsic for setc instruction on the XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125186 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-09 13:22:12 +00:00
Richard Osborne
17c1e51d22 Add XCore intrinsics for resource instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124794 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-03 13:14:25 +00:00
Richard Osborne
ff0c5014b2 Add support for trampolines on the XCore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124722 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-02 14:57:41 +00:00
Richard Osborne
4e3740ee6d Fix bug where ReduceLoadWidth was creating illegal ZEXTLOAD instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124587 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-31 17:41:44 +00:00
Rafael Espindola
1c10db3da9 Update tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123591 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-01-16 18:02:57 +00:00
Devang Patel
afeaae7a94 If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:39:26 +00:00
Evan Cheng
44be1a8d66 Enable machine sinking critical edge splitting. e.g. 
define double @foo(double %x, double %y, i1 %c) nounwind {
  %a = fdiv double %x, 3.2
  %z = select i1 %c, double %a, double %y
  ret double %z
}

Was:
_foo:
        divsd   LCPI0_0(%rip), %xmm0
        testb   $1, %dil
        jne     LBB0_2
        movaps  %xmm1, %xmm0
LBB0_2:
        ret

Now:
_foo:
        testb   $1, %dil
        je      LBB0_2
        divsd   LCPI0_0(%rip), %xmm0
        ret
LBB0_2:
        movaps  %xmm1, %xmm0
        ret

This avoids the divsd when early exit is taken.
rdar://8454886


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114372 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-20 22:52:00 +00:00
Dan Gohman
9f23dee08c Start function numbering at 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101638 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-17 16:29:15 +00:00
Dale Johannesen
b39b7e5ebf Split big test into multiple directories to cater to 
those who don't build all targets.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100688 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 20:43:35 +00:00
Chris Lattner
3b9d6216a4 fix AsmPrinter::GetBlockAddressSymbol to always return a unique 
label instead of trying to form one based on the BB name (which
causes collisions if the name is empty).  This fixes PR6608


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98495 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-14 17:53:23 +00:00
Richard Osborne
79a73fbeb3 Add dag combine to simplify lmul(x, 0, a, b) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98258 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-11 16:26:35 +00:00
Richard Osborne
850f1cd3c0 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 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-10 18:12:27 +00:00