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28795 Commits

Author SHA1 Message Date
Eli Friedman
7161cb1dad Misc x86 README updates: remove a couple of already-fixed issues, 
add a few suggestions from looking at some assembly code.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 23:07:04 +00:00
Bruno Cardoso Lopes
d00d4159d4 Use forward declarations and move TargetELFWriterInfo impl to a new file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 22:13:00 +00:00
Bruno Cardoso Lopes
c997d45ae5 Support for ELF Visibility 
Emission for globals, using the correct data sections
Function alignment can be computed for each target using TargetELFWriterInfo
Some small fixes



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73201 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 19:16:03 +00:00
Chris Lattner
3590abfda0 Fix 4366: store to null in non-default addr space should not be 
turned into unreachable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73195 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 17:54:56 +00:00
Sanjiv Gupta
6396329d52 Generate libcalls for floating point arithmetic and casting operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73194 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 16:50:48 +00:00
Duncan Sands
d6de30ceea Cosmetic changes to parameter attribute verification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73188 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 08:11:03 +00:00
Duncan Sands
861d20aab4 Avoid leaking memory in an error path. Noticed 
by cppcheck.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73187 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 08:09:49 +00:00
Sanjiv Gupta
fa3f80a2b7 More formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73185 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 06:55:48 +00:00
Sanjiv Gupta
b65d1f23ca Fixed source comments. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73184 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-11 06:49:55 +00:00
Oscar Fuentes
89456cecb3 CMake: Updated list of files on lib/CodeGen/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73174 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-10 22:53:59 +00:00
Jay Foad
757068f3ba Implement and use new method Function::hasAddressTaken(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73164 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-10 08:41:11 +00:00
Sanjiv Gupta
cb597c9cc4 Remove warnings: no newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73156 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-10 03:42:13 +00:00
Anton Korobeynikov
b51b6cf1d0 Silence a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73152 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-09 23:00:39 +00:00
Jay Foad
e3acf159d9 Remove an unused function SafeToDestroyConstant(). Rename an almost 
identical function ConstantIsDead() to SafeToDestroyConstant(), to
emphasise the connection with Constant::destroyConstant().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73149 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-09 21:37:11 +00:00
Bill Wendling
3ae67f5910 Simplified logic of this if-then statement to reduce nesting. No functionality 
change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73143 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-09 20:08:51 +00:00
Owen Anderson
6cbd8da86e Add the beginnings of an implementatation of lazy liveness analysis, based on "Fast Liveness Checking for SSA-form Programs" by Boissinot, et al. 
This is still very early, hasn't been tested, and is not yet well documented.  More to come soon.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73141 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-09 19:30:45 +00:00
Dan Gohman
92fcdcac54 Use expandCodeFor instead of expand when the result will be 
immediately casted. At present, this is just a minor code
simplification. In the future, the expansion code may be able
to make better choices if it knows what the desired result
type will be.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73137 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-09 17:18:38 +00:00
Sanjiv Gupta
b157f25926 PIC16 emits auto variables as globals. When optimizer removes a function entierly by estimating its side effects on globals, those globals(autos) without a function were not being printed by the Asm printer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73135 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-09 15:31:19 +00:00
Anton Korobeynikov
2e7ccfce98 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73098 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:59:50 +00:00
Anton Korobeynikov
dada95b5b3 Revert hunk commited by accident 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73097 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:57:18 +00:00
Anton Korobeynikov
0eebf653a7 The attached patches implement most of the ARM AAPCS-VFP hard float 
ABI. The missing piece is support for putting "homogeneous aggregates"
into registers.

Patch by Sandeep Patel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73095 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:53:56 +00:00
Anton Korobeynikov
fbbf1eeccf Separate V6 from V6T2 since the latter has some extra nice instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73085 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 21:20:36 +00:00
Anton Korobeynikov
a7b0ded2a2 Add helper for checking of Thumb1 mode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73080 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 20:31:02 +00:00
Bill Wendling
faf2671776 Revert r72898. It does not solve the problem I want it to solve. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73075 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 18:18:28 +00:00
Bruno Cardoso Lopes
06bfa33eef Delete comment and fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 21:49:11 +00:00
Bruno Cardoso Lopes
24f14f16fd Fix wrong elf class and byte order initializations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 21:33:20 +00:00
Bruno Cardoso Lopes
a029a27fae Simple ELF32/64 binary files can now be emitted for x86 and x86_64 without 
relocation sections.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 21:22:38 +00:00
Eli Friedman
f10d3a7bcd Tweak the expansion code for BIT_CONVERT to generate better code 
converting from an MMX vector to an i64.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73024 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 09:41:57 +00:00
Eli Friedman
5d28eb9e97 Get rid of some unnecessary code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73017 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 07:28:45 +00:00
Nick Lewycky
a5f54a06b0 Create FunctionType::isValidArgumentType to go along with isValidReturnType. 
Also create isValidElementType for ArrayType, PointerType, StructType and
VectorType.

Make LLParser use them. This closes up some holes like an assertion failure on:

  %x = type {label}

but largely doesn't change any semantics. The only thing we accept now which
we didn't before is vectors of opaque type such as "<4 x opaque>". The opaque
can be resolved to an int or float when linking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73016 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 07:26:46 +00:00
Eli Friedman
7a5e55509b Slightly generalize the code that handles shuffles of consecutive loads 
on x86 to handle more cases.  Fix a bug in said code that would cause it 
to read past the end of an object.  Rewrite the code in 
SelectionDAGLegalize::ExpandBUILD_VECTOR to be a bit more general. 
Remove PerformBuildVectorCombine, which is no longer necessary with 
these changes.  In addition to simplifying the code, with this change, 
we can now catch a few more cases of consecutive loads.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73012 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 06:52:44 +00:00
Nick Lewycky
dcef849ab0 Remove cyclic MDNode detection. Any attempt to create a cyclic MDNode will 
crash LLVM first.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 04:03:01 +00:00
Nick Lewycky
00907c7d81 Refuse metadata* type for function arguments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 01:45:11 +00:00
Eli Friedman
0da9975299 PR3628: Add patterns to match SHL/SRL/SRA to the corresponding Altivec 
instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73009 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 01:07:55 +00:00
Nick Lewycky
d7f20b6b98 Don't crash on multiple return value with no obvious inserted value. 
Fixes PR4314.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73007 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 23:13:08 +00:00
Eli Friedman
b9a4cacc91 PR4340: Run SimplifyDemandedVectorElts on insertelement instructions; 
sometimes it can find simplifications that won't be found otherwise.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 20:08:03 +00:00
Jay Foad
0906b1bf09 Use cast<> instead of dyn_cast<> for things that are known to be 
Instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73002 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 17:49:35 +00:00
Dan Gohman
86fbf2fe4c Rename UnknownValue to CouldNotCompute, since it holds an instance of 
SCEVCouldNotCompute, and not SCEVUnknown.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 14:37:11 +00:00
Eli Friedman
5257106c4d Fix the expansion for CONCAT_VECTORS so that it doesn't create illegal 
types.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72993 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 07:08:26 +00:00
Eli Friedman
7ef3d17866 Factor out a couple of helpers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72992 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 07:04:42 +00:00
Eli Friedman
30e71eb61b Avoid crashing on a variable-index insertelement with element type i16. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72991 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 06:32:50 +00:00
Eli Friedman
1041553424 Get rid of some bogus patterns for X86vzmovl. Don't create VZEXT_MOVL 
nodes for vectors with an i16 element type.  Add an optimization for 
building a vector which is all zeros/undef except for the bottom 
element, where the bottom element is an i8 or i16.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72988 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 06:05:10 +00:00
Eli Friedman
9d47b8d8ea Fix an obvious typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72987 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 05:55:37 +00:00
Bruno Cardoso Lopes
cf0a577033 x86_64 now uses the correct ELF e_machine type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72986 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 04:29:16 +00:00
Eli Friedman
1762c1439e Get rid of a bogus pattern that interferes with optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72985 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 04:17:04 +00:00
Eli Friedman
23ef105580 PR2598: make sure to expand illegal forms of integer/floating-point 
conversions for x86, like <2 x i32> -> <2 x float> and <4 x i16> -> 
<4 x float>.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72983 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 03:57:58 +00:00
Bruno Cardoso Lopes
f5b0c5a1c7 Remove elf specific info from ELFWriter.h to Elf.h. Code cleanup and more comments added 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72982 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 03:56:29 +00:00
Eli Friedman
556929a84b Make SINT_TO_FP/UINT_TO_FP vector legalization queries query on the 
integer type to be consistent with normal operation legalization.  No visible
change because nothing is actually using this at the moment.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72980 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 03:27:50 +00:00
Devang Patel
5c06f61e57 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72970 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 23:08:56 +00:00
Dan Gohman
2392efef1b Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72969 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 23:05:51 +00:00