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52477 Commits

Author SHA1 Message Date
Chris Lattner
df39028607 teach valuetracking about ConstantDataSequential 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148790 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 07:54:10 +00:00
Chris Lattner
dada586f16 switch SCEV to use the new ConstantFoldLoadThroughGEPIndices function 
instead of its own hard coded thing, allowing it to handle 
ConstantDataSequential and fixing some obscure bugs (e.g. it would
previously crash on a CAZ of vector type).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148788 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 05:49:24 +00:00
Chris Lattner
a97ddd0cff Split the interesting bits of ConstantFoldLoadThroughGEPConstantExpr 
out into a new ConstantFoldLoadThroughGEPIndices (more useful) function
and rewrite it to be simpler, more efficient, and to handle the new
ConstantDataSequential type.

Enhance ConstantFoldLoadFromConstPtr to handle ConstantDataSequential.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148786 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 05:43:50 +00:00
Chris Lattner
ff2b7f3cd6 Add some accessor methods to CAZ and UndefValue that help simplify clients. 
Make some CDS methods public.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148785 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 05:42:11 +00:00
Anton Korobeynikov
46de2d5f5b Use correct register class for am2offset register operands. 
This pacifies machine verifier


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148782 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 04:58:56 +00:00
Jakob Stoklund Olesen
defe12df51 Preserve <def,undef> flags in CoalesceExtSubRegs. 
This won't have an effect until EliminateRegSequences() starts setting
the undef flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148779 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 04:44:01 +00:00
Chris Lattner
45bb5c5333 implement the ConstantDataSequential accessor methods. 
No need for 'getOperand' :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148778 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 04:43:41 +00:00
Craig Topper
dfc8e470b6 Add comments near load pattern fragments indicating that all integer vector loads are promoted to v2i64 or v4i64 so that no one tries to reintroduce pattern fragments for other types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148771 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 03:03:17 +00:00
Jim Grosbach
539aab771f NEON VST4(multiple 4 element structures) assembly parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148764 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 00:58:13 +00:00
Jim Grosbach
8abe7e3364 NEON VLD4(multiple 4 element structures) assembly parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148762 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 00:43:17 +00:00
Jim Grosbach
7945eade3d Tidy up. Remove some vertical space for readability. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148761 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 00:43:12 +00:00
Chandler Carruth
3eb4be0ace Revert r148686 (and r148694, a fix to it) due to a serious layering 
violation -- MC cannot depend on CodeGen.

Specifically, the MCTargetDesc component of each target is actually
a subcomponent of the MC library. As such, it cannot depend on the
target-independent code generator, because MC itself cannot depend on
the target-independent code generator. This change moved a flag from the
ARM MCTargetDesc file ARMMCAsmInfo.cpp to the CodeGen layer in
ARMException.cpp, leaving behind an 'extern' to refer back to it. That
layering order isn't viable givin the constraints outlined above.
Commandline flags are designed to be static specifically to avoid these
types of bugs.

Fixing this is likely going to require some non-trivial refactoring.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148759 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 00:30:17 +00:00
Jim Grosbach
7b426cee22 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148757 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 00:12:39 +00:00
Jim Grosbach
4adb182342 NEON VST3(single element from one lane) assembly parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148755 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-24 00:07:41 +00:00
Devang Patel
392ad6d8aa Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148751 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 23:56:33 +00:00
Jim Grosbach
d7433e2873 NEON VST3(multiple 3-element structures) assembly parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148748 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 23:45:44 +00:00
Jim Grosbach
c387fc66bd NEON VLD3(multiple 3-element structures) assembly parsing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148745 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 23:20:46 +00:00
Anton Korobeynikov
2c6d0f2625 Add missed mayStore flag to STREXD / t2STREXD 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148742 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 22:57:52 +00:00
Chris Lattner
27dd9cf5d1 start the implementation of a new ConstantDataVector and ConstantDataArray 
classes, per PR1324.  Not all of their helper functions are implemented,
nothing creates them, and the rest of the compiler doesn't handle them yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148741 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 22:57:10 +00:00
Bill Wendling
4302a4965c Remove extraneous ';'s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148740 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 22:55:02 +00:00
David Blaikie
d0278d529b Remove dead default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148738 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 22:37:11 +00:00
Devang Patel
f2d213745e Intel syntax: Robustify parsing of memory operand's displacement experssion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148737 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 22:35:25 +00:00
Jim Grosbach
3a678af71d NEON VLD3 lane-indexed assembly parsing and encoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148734 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 21:53:26 +00:00
Rafael Espindola
16d7d437e0 Add support for .cfi_signal_frame. Fixes pr11762. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148733 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 21:51:52 +00:00
Lang Hames
e0bd8c3a26 copyImplicitOps is redundant here - the loop above already copies these ops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148725 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 21:15:01 +00:00
Jakob Stoklund Olesen
d0848a6398 Fix PR11829. PostRA LICM was too aggressive. 
This fixes a typo in r148589.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148724 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 21:01:15 +00:00
Jakob Stoklund Olesen
39f6660193 Simplify debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148723 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 21:01:11 +00:00
Devang Patel
3e08131185 Intel syntax: Parse memory operand with empty base reg, e.g. DWORD PTR [4*RDI] 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148721 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 20:20:06 +00:00
Jim Grosbach
8b31f95bdd Simplify some NEON assembly pseudo definitions. 
Let the generic token alias definitions handle the data subtype
suffices. We don't need explicit versions for each.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148718 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 19:39:08 +00:00
Matt Beaumont-Gay
ee705a73f6 Silence warnings in -asserts build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148715 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 18:46:04 +00:00
Devang Patel
7c64fe651a Intel syntax: Parse segment registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148712 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 18:31:58 +00:00
Chris Lattner
9df0fb4e81 convert CAZ, UndefValue, and CPN to use DenseMap's again, this time without 
using OwningPtr.  OwningPtr would barf when the densemap had to reallocate,
which doesn't appear to happen on the regression test suite, but obviously
happens in real life :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148700 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 15:20:12 +00:00
Chris Lattner
95889fa9c3 revert r148691 and 148693 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148698 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 15:09:44 +00:00
Alexander Potapenko
2587804203 Implemented AddressSanitizer::getPassName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148697 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 11:22:43 +00:00
NAKAMURA Takumi
db4b85f532 ARMAsmPrinter.cpp: Try to fix up r148686. EnableARMEHABI was also here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148694 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 09:14:42 +00:00
Chris Lattner
3755615411 switch UndefValue and ConstantPointerNull over to DenseMap's for uniquing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148693 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 08:52:32 +00:00
Chris Lattner
2a82d82936 Replace a use of ConstantUniqueMap for CAZ constants with a simple DenseMap. 
Now that the type system rewrite has landed, there is no need for its
complexity and std::map'ness.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148691 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 08:42:38 +00:00
Craig Topper
7925e2555d Custom lower PCMPEQ/PCMPGT intrinsics to target specific nodes and remove the intrinsic patterns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148687 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 08:18:28 +00:00
Evgeniy Stepanov
7908480e4c An option to selectively enable parts of ARM EHABI support. 
This change adds an new value to the --arm-enable-ehabi option that
disables emitting unwinding descriptors. This mode gives a working
backtrace() without the (currently broken) exception support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148686 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 07:57:39 +00:00
Craig Topper
7fb8b0c5d3 Update more places to use target specific nodes for vector shifts instead of intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148685 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 06:46:22 +00:00
Craig Topper
80e46360e9 Custom lower vector shift intrinsics to target specific nodes and remove the patterns that are no longer needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148684 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 06:16:53 +00:00
Rafael Espindola
4254df3062 Avoid using an invalidated iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148681 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 05:07:16 +00:00
Rafael Espindola
603d6b56a2 The iteration order over a std::set<Module*> depends on the addresses of the 
modules. Avoid that to make the order the linker sees the modules deterministic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148676 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 03:41:53 +00:00
Craig Topper
2b21fbaf11 Remove pattern fragments for v32i8, v16i16, v8i32, v16i8, v8i16, and v4i32 loads. All integer vector loads are promoted to v2i64 or v4i64 so these pattern fragments can never match. Fix or remove patterns that used these fragments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148672 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 00:06:44 +00:00
Nick Lewycky
37abc488a0 Make Value::isDereferenceablePointer() handle unreachable code blocks. (This 
returns false in the event the computation feeding into the pointer is
unreachable, which maybe ought to be true -- but this is at least consistent
with undef->isDereferenceablePointer().) Fixes PR11825!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148671 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-23 00:05:17 +00:00
Craig Topper
1906d32e55 Combine X86 CMPPD and CMPPS node types. Simplifies selection code and pattern matching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148670 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 23:36:02 +00:00
Craig Topper
67609fd0eb Merge PCMPEQB/PCMPEQW/PCMPEQD/PCMPEQQ and PCMPGTB/PCMPGTW/PCMPGTD/PCMPGTQ X86 ISD node types into only two node types. Simplifying opcode selection and pattern matching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148667 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 22:42:16 +00:00
Nicolas Geoffray
8194683d5a Use Attributes::None instead of 0 after r148553 change on Attributes from unsigned to their own class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148665 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 20:05:26 +00:00
Craig Topper
ed2e13d667 Add target specific ISD node types for SSE/AVX vector shuffle instructions and change all the code that used to create intrinsic nodes to create the new nodes instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148664 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 19:15:14 +00:00
Anton Korobeynikov
4a309f3d25 Add an option to disable buggy copy propagation pass 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148662 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-01-22 14:08:34 +00:00