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Author SHA1 Message Date
Dan Gohman
c6ac322c1c Generalize a few more instcombines to be vector/scalar-independent. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73541 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 19:55:29 +00:00
Dan Gohman
61ffa8e373 Instcombine's ShrinkDemandedConstant may strip bits out of constants, 
obscuring what would otherwise be a low-bits mask.  Use ComputeMaskedBits
to compute what ShrinkDemandedConstant knew about to reconstruct a
low-bits mask value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73540 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 19:52:01 +00:00
Evan Cheng
876eac9da5 CALL64pcrel32 immediate field is 32-bit. Patch by Abhinav Duggal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73536 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 19:44:27 +00:00
Anton Korobeynikov
385f5a99ec Address review comments: add 3 ARM calling conventions. 
Dispatch C calling conv. to one of these conventions based on
target triple and subtarget features.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73530 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 18:50:49 +00:00
Anton Korobeynikov
2932795309 GNU as refuses to assemble "pop {}" instruction. Do not emit such 
(this is the case when we have thumb vararg function with single
callee-saved register, which is handled separately).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73529 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 18:49:08 +00:00
Owen Anderson
de8aed2808 Add a configure check for pthread_rwlock_init. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73523 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 18:20:20 +00:00
Owen Anderson
1ad70e3bb4 Update the threading section to reflect current plans/implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 18:04:19 +00:00
Douglas Gregor
dd0ae752ed Add Threading.cpp to the CMake project files 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 17:45:38 +00:00
Owen Anderson
5e8c50e550 Fix validation errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 17:40:28 +00:00
Owen Anderson
4c7ac18fc9 Split the thread-related APIs out into their own file, and add a few more 
calls for convenience.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 17:33:51 +00:00
Chris Lattner
3d0cbbe0ad Testcase for r73506 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 17:23:25 +00:00
Chris Lattner
6cc8a93c48 Generalize instcombine's isSafeToLoadUnconditionally() function 
to ignore readonly calls, and factor it out of instcombine so
that it can be used by other passes.  Patch by Frits van Bommel!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73506 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 17:23:12 +00:00
Sanjiv Gupta
003263bb9f Added missing libcalls for floating point to int conversions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 16:17:35 +00:00
Eli Friedman
7ed5d56541 Remove the "llvm.umul.with.overflow is broken" warning; it should be 
essentially working now, at least for common cases, and it shouldn't 
silently generate bad code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73484 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 10:24:13 +00:00
Sanjiv Gupta
7d8d36a69f Fixed names of libcalls checked in r73480. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 10:22:58 +00:00
Sanjiv Gupta
bde7942072 Code Restructuring. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73481 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 09:45:18 +00:00
Sanjiv Gupta
8aa207ee30 Added required libcalls for PIC16 (mostly floating points to integer casting operations). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 09:03:58 +00:00
Evan Cheng
7b11365787 Rename RemoveCopiesFromValNo to TurnCopiesFromValNoToImpDefs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 07:15:05 +00:00
Evan Cheng
67fcf56ac4 If a val# is defined by an implicit_def and it is being removed, all of the copies off the val# were removed. This causes problem later since the scavenger will see uses of registers without defs. The proper solution is to change the copies into implicit_def's instead. 
TurnCopyIntoImpDef turns a copy into implicit_def and remove the val# defined by it. This causes an scavenger assertion later if the def reaches other blocks. Disable the transformation if the value live interval extends beyond its def block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 07:12:58 +00:00
Eli Friedman
db3c169f3a Add some generic expansion logic for SMULO and UMULO. Fixes UMULO 
support for x86, and UMULO/SMULO for many architectures, including PPC 
(PR4201), ARM, and Cell. The resulting expansion isn't perfect, but it's
not bad.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73477 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 06:58:29 +00:00
Eli Friedman
6314ac2bca Misc accumulated tweaks to legalization logic for various targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 06:40:59 +00:00
Chris Lattner
b42e20be77 another xform that is target-independent (should be done in instcombine). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73472 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 06:15:56 +00:00
Chris Lattner
d23fffeb16 I think instcombine should unconditionally do this xform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 06:11:35 +00:00
Chris Lattner
714fa95d01 Fix PR4336: Iterating over use-def chains doesn't seem to be deterministic. 
The problem was that BitcodeReader::materializeModule would read functions
from the bc file in densemap pointer key order (doubly non-deterministic!),
which would cause the use-def chains to be set up for globals in
non-determinstic order.  Non-determinstic use/def chains can cause 
nondeterminism in many places down-stream.

Many thanks to Julien Lerouge for putting together the pass in the PR that
shows the issue!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 05:15:21 +00:00
Bill Wendling
fe7f294d5c There doesn't seem to be a reason to move the save FP stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73468 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 04:12:45 +00:00
Bill Wendling
d0446b08c4 The DWARF to compact encoding converter assumes that the DW_CFA_def_cfa_offset 
comes after the DW_CFA_def_cfa_register, because the CFA is really ESP from the
start of the function and only gets an offset when the "subl $xxx,%esp"
instruction happens, not the other way around.

And reapply r72898:

The DWARF unwind info was incorrect. While compiling with
`-fomit-frame-pointer', we would lack the DW_CFA_advance_loc information for a
lot of function, and then they would be `0'. The linker (at least on Darwin)
needs to encode the stack size. In some cases, the stack size is too large to
directly encode. So the linker checks to see if there is a "subl $xxx,%esp"
instruction at the point where the `DW_CFA_def_cfa_offset' says the pc was. If
so, the compact encoding records the offset in the function to where the stack
size is embedded. But because the `DW_CFA_advance_loc' instructions are missing,
it looks before the function and dies.

So, instead of emitting the EH debug label before the stack adjustment
operations, emit it afterwards, right before the frame move stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73465 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 04:06:15 +00:00
Bill Wendling
05b5e03ec8 Fix typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73464 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 04:02:03 +00:00
Devang Patel
c2230821a6 Use MainCU if it is available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 02:09:30 +00:00
Owen Anderson
8bc1b3b7e5 Add initial stab at documenting the use of LLVM with threaded clients. 
Comments welcome!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73456 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 01:17:16 +00:00
Dan Gohman
079f858f03 Add comments to ConstantInt::get and ConstantFP::get to more fully 
describe their behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 01:02:32 +00:00
Dan Gohman
44118f0e25 Use Type::getScalarType. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73451 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 00:20:26 +00:00
Mikhail Glushenkov
502106a713 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 00:14:20 +00:00
Mikhail Glushenkov
530f399743 Documentation update. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73448 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-16 00:13:52 +00:00
Owen Anderson
461d41c25b Remove extraneous propset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 23:12:00 +00:00
Owen Anderson
be24f1b7fb Owen Anderson 2009-06-15: Use a SmallPtrSet here, for speed and to match df_iterator. 
Owen Anderson 2009-06-15: Remember to clear out our maps to prevent crashing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:54:48 +00:00
Dan Gohman
a7a8af0c58 Add a CreateFNeg function to IRBuilder. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:50:40 +00:00
Dan Gohman
9a8c5807f8 Update this test to use fmul instead of mul. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73436 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:49:34 +00:00
Dan Gohman
15480bd174 Change this from an assert to a cerr+exit, since it's diagnosing an 
unsupported inline asm construct, rather than verifying a code invariant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73435 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:32:41 +00:00
Evan Cheng
88cc7c4194 On Darwin, frame pointer r7 is never available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:32:01 +00:00
Dan Gohman
f57478f381 Use Type::isIntOrIntVector and Type::isFPOrFPVector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73433 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:25:12 +00:00
Dan Gohman
6de29f8d96 Support vector casts in more places, fixing a variety of assertion 
failures.

To support this, add some utility functions to Type to help support
vector/scalar-independent code. Change ConstantInt::get and
ConstantFP::get to support vector types, and add an overload to
ConstantInt::get that uses a static IntegerType type, for
convenience.

Introduce a new getConstant method for ScalarEvolution, to simplify
common use cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73431 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:12:54 +00:00
Anton Korobeynikov
0d492bdf4d Address more comments :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73430 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 22:08:48 +00:00
Dan Gohman
24b108bc8c Fix a typo in a diagnostic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:52:11 +00:00
Anton Korobeynikov
bb62962342 Rename methods for the sake of consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73428 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:46:20 +00:00
Anton Korobeynikov
52edfc7a6d Document ABIType enum. Patch by Sandeep Patel! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73427 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:46:02 +00:00
Devang Patel
11a407f43f Gracefully handle imbalanced inline function begin and end markers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73426 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:45:50 +00:00
Evan Cheng
2077e18caf ifcvt should ignore cfg where true and false successors are the same. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73423 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:24:34 +00:00
Evan Cheng
675860758e Typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73422 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:18:20 +00:00
Dan Gohman
125473b84c Rewrite the noredzone description, attempting to avoid confusing language. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 21:18:01 +00:00
Bill Wendling
927788c500 The Ls and Qs were mixed up. Patch by Sean. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-15 20:59:31 +00:00