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Author SHA1 Message Date
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
David Greene
ccbfb8d3d8 Update documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73092 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:38:07 +00:00
David Greene
5f323419f3 Add a more robust !if test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73091 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:34:57 +00:00
David Greene
d725189254 Fix DejaGNU run line to escape special characters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73090 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:20:58 +00:00
Daniel Dunbar
87bde0b7d3 Document the stack alignment part of target data description. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 22:17:53 +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
Stefanus Du Toit
4ba3a0ec6c Allow setting the C runtime to be used with MSVC from cmake. 
Patch by Tareq Siraj.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 21:18:31 +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
David Greene
e1b469170b Make IntInits and ListInits typed. This helps deduce types of !if and 
other operators.  For the rare cases where a list type cannot be
deduced, provide a []<type> syntax, where <type> is the list element
type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73078 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 20:23:18 +00:00
David Greene
77c489dcae Make !if short-circuit when possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73076 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 19:16:56 +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
David Greene
938c8ab0a0 Add a !regmatch operator to do pattern matching in TableGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-08 17:00:34 +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
faeedf1254 Fix the run-line for this test to work correctly outside of x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73025 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 09:44:19 +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
Mikhail Glushenkov
9dcc26b6a0 A basic PIC16 toolchain driver. 
Nice addition to the examples and also a starting point for Sanjiv to work on.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73013 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 07:08:01 +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
a9b9032df1 Add option for specifying the path to assembler, "as". This overrides the path 
to gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73008 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-07 00:50:45 +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
Nick Lewycky
9d813df391 Move </pre> to column one to avoid an extra line of spaces in the example. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73003 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 18:14:04 +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
Nick Lewycky
b4a921af05 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72990 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 06:25:09 +00:00
Nick Lewycky
84bd075a07 Add a flag to permit disabling libffi. 
Also, there were a bunch of flags with no text in --help because the square
brackets were in the wrong place. I've fixed those too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72989 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-06 06:24:44 +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
Douglas Gregor
318de60701 More portability checks for CMake's config.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72975 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 23:46:34 +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
Devang Patel
da634298fc Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72965 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 22:39:21 +00:00
Devang Patel
578efa920a Add new function attribute - noimplicitfloat 
Update code generator to use this attribute and remove NoImplicitFloat target option.
Update llc to set this attribute when -no-implicit-float command line option is used.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72959 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 21:57:13 +00:00
Nate Begeman
abc0199680 Adapt the x86 build_vector dagcombine to the current state of the legalizer. 
build vectors with i64 elements will only appear on 32b x86 before legalize.
Since vector widening occurs during legalize, and produces i64 build_vector 
elements, the dag combiner is never run on these before legalize splits them
into 32b elements.

Teach the build_vector dag combine in x86 back end to recognize consecutive 
loads producing the low part of the vector.

Convert the two uses of TLI's consecutive load recognizer to pass LoadSDNodes
since that was required implicitly.

Add a testcase for the transform.

Old:
	subl	$28, %esp
	movl	32(%esp), %eax
	movl	4(%eax), %ecx
	movl	%ecx, 4(%esp)
	movl	(%eax), %eax
	movl	%eax, (%esp)
	movaps	(%esp), %xmm0
	pmovzxwd	%xmm0, %xmm0
	movl	36(%esp), %eax
	movaps	%xmm0, (%eax)
	addl	$28, %esp
	ret

New:
	movl	4(%esp), %eax
	pmovzxwd	(%eax), %xmm0
	movl	8(%esp), %eax
	movaps	%xmm0, (%eax)
	ret




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72957 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 21:37:30 +00:00
Evan Cheng
925492279a Changing allocation ordering from r3 ... r0 back to r0 ... r3. The order change no longer make sense after the coalescing changes we have made since then. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72955 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 19:08:58 +00:00
Devang Patel
6a784894b1 Evan thinks NoImplicitFloat check is not required here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72954 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-06-05 18:48:29 +00:00