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e91208c963
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28798 Commits

Author SHA1 Message Date
Nicolas Geoffray
e91208c963 After obtaining the lock, look if the function has been codegen'd by 
another thread.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73227 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-12 14:11:08 +00:00
Nick Lewycky
287de607dc Add an "are types equivalent" operation that ignores the types that a pointer 
points to while analyzing all other fields.

Use FoldingSetNodeID to produce a good hash. This dramatically decreases run
times.

Emit thunks. This means that it can look at all functions regardless of what
the linkage is or if the address is taken, but unfortunately some small
functions can be even shorter than the thunk because our backend doesn't yet
realize it can just turn these into jumps. This means that this pass will
pessimize code on average.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73222 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-12 08:04:51 +00:00
Nick Lewycky
f7e498138f Don't remove aggregate-typed module level constants before encoding functions 
since functions may contain aggregate constants too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73220 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-12 05:20:12 +00:00
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