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Author SHA1 Message Date
Dan Gohman
e56f4a49b7 Add a testcase demoing some of ScalarEvolution's new trip count logic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74049 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:22:30 +00:00
Dan Gohman
40a5a1b39e Extend ScalarEvolution's multiple-exit support to compute exact 
trip counts in more cases.

Generalize ScalarEvolution's isLoopGuardedByCond code to recognize
And and Or conditions, splitting the code out into an
isNecessaryCond helper function so that it can evaluate Ands and Ors
recursively, and make SCEVExpander be much more aggressive about
hoisting instructions out of loops.

test/CodeGen/X86/pr3495.ll has an additional instruction now, but
it appears to be due to an arbitrary register allocation difference.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74048 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:18:18 +00:00
Nick Lewycky
b825aaa028 Unbreak build on Linux by removing Darwinism. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74046 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:08:42 +00:00
Dan Gohman
62849c065e Teach GetMinSignBits about SCEVAddExprs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74045 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:05:09 +00:00
Daniel Dunbar
a11af531ec Start MCAsmStreamer implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74044 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 01:03:06 +00:00
Dan Gohman
fd6325cbb2 Revert this accidental commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74042 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:55:55 +00:00
Dan Gohman
6bbcba18db Move the special cases for constants out of getUnknown and into 
createSCEV. Also, recognize UndefValue in createSCEV.

Change getIntegerSCEV's comment to avoid mentioning FP types,
and re-implement it in terms of getConstant instead of getUnknown.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74041 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:54:57 +00:00
Chris Lattner
cbc23f75cd create an MCStreamer and provide it to AsmParser. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:52:40 +00:00
Chris Lattner
f4a9061b6b stub out a trivial constructor method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:51:35 +00:00
Dan Gohman
b8be8b70a2 Use ScalarEvolution::getConstant instead of getUnknown to create 
SCEVConstants. This cleanup is a step toward letting getUnknown
be simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74037 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:38:39 +00:00
Chris Lattner
faf32c102d make the lexer unique strings it lexes instead of passing them back as 
std::strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74036 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:33:19 +00:00
Dan Gohman
aa551ae10e Include the maximum trip count expression in ScalarEvolution's print output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74035 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:33:16 +00:00
Dan Gohman
4d289bf4af Add an isAllOnesValue utility function, similar to isZero and isOne. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74032 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:30:26 +00:00
Dan Gohman
ea080be986 Don't emit a redundant BitCastInst if the value to be defined in the 
preheader is already an instruction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74031 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:28:59 +00:00
Owen Anderson
6b96f6cfeb Guard the listeners list. Unfortunately, this requires a real static rather 
than a managed static because other managed statics can (and do) access this
list in their destructors.  Yes, I know it's horrible.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74029 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-24 00:25:42 +00:00
Bob Wilson
a96751fc8f Provide InitializeAllTargets and InitializeNativeTarget functions in the 
C bindings.  Change all the backend "Initialize" functions to have C linkage.
Change the "llvm/Config/Targets.def" header to use C-style comments to avoid
compile warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74026 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:59:40 +00:00
Daniel Dunbar
ba1da8a7b1 Update for MCImm -> MCValue rename. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:39:15 +00:00
Chris Lattner
a33ccc7956 rename MCImm ->MCValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74023 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:31:52 +00:00
Sean Callanan
1c97ceb5e2 Test commit: fixed spacing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:25:37 +00:00
Daniel Dunbar
381e92c66a Add comments for the MCStreamer interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74019 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 23:02:31 +00:00
Devang Patel
9af2fa879c It is not a good idea to have data member's name match argument's name. In fact, it is a simple receipe to waste an hour or so. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:25:41 +00:00
Devang Patel
d933803b51 Use getReturnTypeName() to print return type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:23:13 +00:00
Devang Patel
bd262cc441 upgrade 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:11:37 +00:00
Devang Patel
0de4fa621e Add DISubprogram::getReturnTypeName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74015 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:07:48 +00:00
Daniel Dunbar
ecc63f8687 Start flushing out MCContext. 
- Lives inside new library lib/MC (LLVMMC.a)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 22:01:43 +00:00
Daniel Dunbar
87ea1912ef Set svn:ignore for {llvm/Config/AsmPrinters,Targets}.def 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:55:46 +00:00
Owen Anderson
92915e31e9 Use atomic operations when accessing statistics, and make the lazy initialization of statistics actually threadsafe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74005 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:19:38 +00:00
Owen Anderson
e0fa0b42b2 Add atomic multiply and divide operations, built on top of CompareAndSwap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74004 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:19:04 +00:00
Douglas Gregor
343beeb386 Reinstate target dependencies on Table_gen targets in CMake 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 21:05:21 +00:00
Owen Anderson
46d9a64944 Make timers threadsafe again. This isn't quite as nice as I'd hoped (it uses locking rather than atomic arithmetic), 
but should work on all the platforms we care about.

I might revisit this if a totally awesome way to do it occurs to me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74002 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:52:29 +00:00
Mikhail Glushenkov
223e99cd8d Temporary copy-pasto to make examples compile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74001 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:47:24 +00:00
Mikhail Glushenkov
d80d8690af Make llvmc work again. 
Chris recently broke llvmc with his Makefile changes (r75379). That patch made
the global change .o -> .a, which caused built-in llvmc plugins to stop working
since plugin initialization in llvmc is based on static variables not referenced
from the main executable. This patch implements auto-generated forced references
to the plugin libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74000 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:46:48 +00:00
Mikhail Glushenkov
06509db630 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:46:00 +00:00
Mikhail Glushenkov
0cbb59089b A little bit nicer formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73998 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:45:31 +00:00
Mikhail Glushenkov
7c8deb3818 Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73997 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:45:07 +00:00
Daniel Dunbar
25e0d8f755 Start sketching MCStreamer interface. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73994 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:24:17 +00:00
Owen Anderson
6f2c64d70a Revert my last series of commits related to Timer and 64-bit atomics. Not all the targets 
we care about are capable of supporting it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:17:22 +00:00
Bill Wendling
dcee684755 Add include file to get the type for in64_t. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 20:02:00 +00:00
Evan Cheng
b8f7706911 Test instructions operands were printed in the wrong order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 19:56:37 +00:00
Bill Wendling
5c324d77d9 "The MMX_MASKMOVQ and MMX_MASKMOVQ64 instructions are labeled as MRMDestMem 
instructions, which implies that there is an explicit memory operand.  There is
(however) no explicit memory operand; although this is a store, the only memory
operand is implicit, indicated by DS:EDI.  This causes the table-generation code
for the disassembler to report an error."

Patch by Sean Callanan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73989 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 19:52:59 +00:00
Lang Hames
b2889959c4 Switched size_t to int64_t to prevent type mismatch in call to max. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 19:49:23 +00:00
Evan Cheng
a67efd1226 Proper patterns for thumb2 shift and rotate instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73987 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 19:39:13 +00:00
Evan Cheng
e870af4837 Code clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 19:38:34 +00:00
Evan Cheng
09c39fcf83 Add IsThumb1Only to most 16-bit thumb instructions since we want to isel 32-bit instructions when they are available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73985 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 19:38:13 +00:00
Chris Lattner
35d0e87937 add a simple MCImm class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73984 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:58:00 +00:00
Dale Johannesen
61074878a1 The correct values here (as defined by gcc-4.2) are 
different for ppc; add another version of the test.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73983 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:42:26 +00:00
Chris Lattner
29dfe7c5f7 refactor a bunch of X86 specific stuff out to its own file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:41:30 +00:00
Dale Johannesen
8ac9ea891c This test only works on ppc32 if some optimization is done before 
generating LLVM IR; it is correct in the code as written
to use 8-byte-aligned operations to copy Key in bar.  Formerly
the gcc inliner was run, now it isn't.  I don't think it's
possible to preserve this as a pure FE test.  Adding -O2 lets
the llvm optimizers get rid of the 8-byte-aligned stores, at least.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73981 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:34:37 +00:00
Owen Anderson
f43f9d0ef8 Atomic ops that do arithmetic use signed arithmetic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:30:27 +00:00
Douglas Gregor
8756a8db5b CMake: remove support for llvm-config-generated dependencies in the build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73979 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-23 18:30:17 +00:00