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Author SHA1 Message Date
Jay Foad
4e5ea553d0 Move helper functions for optimizing division by constant into the APInt 
class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 10:15:35 +00:00
Dan Gohman
78e04d4aa0 Set mayLoad on MOVZX32_NOREXrm8 too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70466 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 03:11:48 +00:00
Dan Gohman
d9c1c85c2a Fix ScalarEvolution::print to print a value for any Instruction with 
a SCEVable type, not just integer types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 01:30:18 +00:00
Evan Cheng
8c1474050d Mark MOV8mr_NOREX and MOV8rm_NOREX as mayStore / mayLoad respectively. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70461 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 00:58:57 +00:00
Bill Wendling
581b93415e Remove unused flags. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70459 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 00:57:51 +00:00
Chris Lattner
6c147293d6 fix a regression handling indirect results: these need to be considered 
memory operands otherwise the writebacks get lost when the inline asm 
doesn't otherwise have side effects.  This fixes rdar://6839427, though
clang really shouldn't generate these anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70455 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 00:48:50 +00:00
Bill Wendling
610079287e Fix the JIT bindings for ocaml. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 00:43:39 +00:00
Chris Lattner
cf189964d7 remove progname which is never set. PR4085 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70453 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-30 00:24:33 +00:00
Bill Wendling
8dc85ddf80 Error out with bad optimization level specified. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:46:43 +00:00
Bill Wendling
b8cb0bb08c Remove LTO optimization level. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:40:42 +00:00
Bill Wendling
98a366d547 Instead of passing in an unsigned value for the optimization level, use an enum, 
which better identifies what the optimization is doing. And is more flexible for
future uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:29:43 +00:00
Bill Wendling
b587f9662a Add support for a character after a command line option. Like '-Os'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 23:26:16 +00:00
Dale Johannesen
22523ad737 Print correct instruction in dump. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 22:57:20 +00:00
Nate Begeman
ec8eee2d3a Fix infinite recursion in the C++ code which handles movddup by making it unnecessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70425 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 22:47:44 +00:00
Dan Gohman
eb3948be16 Implement getSCEVAtScope for SCEV cast expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70422 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 22:29:01 +00:00
Dan Gohman
ac70ceafbc Generalize the cast-of-addrec folding to handle folding of SCEVs like 
(sext i8 {-128,+,1} to i64) to i64 {-128,+,1}, where the iteration
crosses from negative to positive, but is still safe if the trip
count is within range.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 22:28:28 +00:00
Dan Gohman
f159ccd1cd Reword and tidy up some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70416 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 22:01:05 +00:00
Bill Wendling
a7e326b0a9 Don't use 'false' for 'fast isel' here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70411 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 21:22:00 +00:00
Dan Gohman
3e0e31b261 Fix this test to match the new output from scalar-evolution. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70410 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 21:06:20 +00:00
Jakob Stoklund Olesen
ce9be2cf5d MachineInstr::isRegTiedTo{Use,Def}Operand can safely be made const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70408 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 20:57:16 +00:00
Dan Gohman
36b8e53fe0 Include the source type in SCEV cast expression debug output, and 
print sext, zext, and trunc, instead of signextend, zeroextend,
and truncate, respectively, for consistency with the main IR.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70405 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 20:27:52 +00:00
Nate Begeman
a641575828 Update comment, replace theoretically impossible check with an assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70391 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 18:13:31 +00:00
Dale Johannesen
c9cf35055f Fix recent regression in gcc.dg/pr26719.c (6835035). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70386 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 16:38:47 +00:00
Sanjiv Gupta
b27fa0afe2 Add directive to declare external globals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 08:23:18 +00:00
Evan Cheng
96f3fd9a7f spillPhysRegAroundRegDefsUses() may have invalidated iterators stored in fixed_ IntervalPtrs. Reset them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70378 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 07:16:34 +00:00
Chris Lattner
3a33f4903a testcase for PR4082 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70375 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 06:46:27 +00:00
Nate Begeman
5a5ca1519e Implement review feedback for vector shuffle work. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70372 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 05:20:52 +00:00
Sanjiv Gupta
a3518a1d6a Add a public method called getAddressSpace() to the GlobalAddressSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70366 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 04:43:24 +00:00
Chris Lattner
672452d5a0 Disable the load-shrinking optimization from looking at 
anything larger than 64-bits, avoiding a crash.  This should
really be fixed to use APInts, though type legalization happens
to help us out and we get good code on the attached testcase at
least.

This fixes rdar://6836460


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70360 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 03:45:07 +00:00
Dan Gohman
f0aa4850ce Update comments to reflect the current code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70357 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 01:54:20 +00:00
Dan Gohman
1e59aa1332 Add some more doxygen comments to SCEVAddRec. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:59:03 +00:00
Evan Cheng
1c2f6da331 Determine allocation 'preference' with right register class. I haven't seen this changing codegen so no test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70351 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:42:27 +00:00
Bill Wendling
5e5cb7985d The second part of the change from -fast to -O#. This changes the JIT to accept 
an optimization level instead of a simple boolean telling it to generate code
"fast" or the other type of "fast".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70347 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:32:19 +00:00
Bill Wendling
be8cc2a3de Second attempt: 
Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to
use the old behavior, the flag is -O0. This change allows for finer-grained
control over which optimizations are run at different -O levels.

Most of this work was pretty mechanical. The majority of the fixes came from
verifying that a "fast" variable wasn't used anymore. The JIT still uses a
"Fast" flag. I'll change the JIT with a follow-up patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70343 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:15:41 +00:00
Bill Wendling
a24d1b1558 Correct comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70340 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-29 00:09:22 +00:00
Dan Gohman
ce66c6114f As with r70333, give the primary induction variable a use so 
that it can't be trivially eliminated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70334 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 22:05:13 +00:00
Dan Gohman
cab9cf01ce Make this testcase slightly less trivial, so that it doesn't fail 
if indvars happens to optimize away the unused primary induction
variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70333 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 22:03:26 +00:00
Dan Gohman
87d2fe5143 Fix a grammaro in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70331 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 21:54:23 +00:00
Anton Korobeynikov
573c92d8ba Properly print 'P' modifier on inline asm memory operands. 
This should fix PR3379 and PR4064.
Patch inspired by Edwin Török!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70328 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 21:49:33 +00:00
Bob Wilson
32558650ae Fix trailing whitespace and 80-col. violations in recent TableGen changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70319 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 19:41:44 +00:00
Evan Cheng
8a8a0dfc3b Move getMatchingSuperReg() out of coalescer and into TargetRegisterInfo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70309 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 18:29:27 +00:00
Dale Johannesen
85f74f817a Test for llvm-gcc bug fixed by 70301. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70302 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 17:16:30 +00:00
Sanjiv Gupta
23b0543e3f GlobalValue is always pointer type, so an assert isn't required. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70300 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:39:45 +00:00
Stefanus Du Toit
5a4e11dd3f Fix choice of version of Windows callback to use to consider not only the Visual Studio version, but also the Windows SDK version. 
Patch by Tareq Siraj.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70299 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:37:58 +00:00
Jakob Stoklund Olesen
08e791fdb3 Don't coalesce a physical register with an incompatible virtual register. 
If the physical register does not belong to the virtual register's regclass,
don't coalesce. The physical register could be an invalid operand for an
instruction using the vreg.

The regclass matching is done after determining the actual subregisters being copied.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70298 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:34:35 +00:00
Sanjiv Gupta
d3d965714b Initialized arrays can be in any address space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70297 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:34:20 +00:00
Jakob Stoklund Olesen
fa4677b483 Move getSubRegisterRegClass from ScheduleDagSDNodesEmit.cpp to a TargetRegisterClass method. 
Also make the method non-asserting. It will return NULL when given an invalid subreg index.

The method is needed by an upcoming patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70296 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 16:34:09 +00:00
Evan Cheng
30590f5023 Fix PR4034. Bug in LiveInterval::join when it's compacting new valno's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 06:24:09 +00:00
Jakob Stoklund Olesen
b36a7ac87b Initial test commit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70290 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 06:15:00 +00:00
Evan Cheng
e9ccb3a7d4 Fix for PR4051. When 2address pass delete an instruction, update kill info when necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-28 02:12:36 +00:00