NAKAMURA Takumi [Tue, 5 Feb 2013 14:44:16 +0000 (14:44 +0000)]
Revert r174343, "When the target-independent DAGCombiner inferred a higher alignment for a load,"
It caused hangups in compiling clang/lib/Parse/ParseDecl.cpp and clang/lib/Driver/Tools.cpp in stage2 on some hosts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174374
91177308-0d34-0410-b5e6-
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Logan Chien [Tue, 5 Feb 2013 14:18:59 +0000 (14:18 +0000)]
Link .ARM.exidx with corresponding text section.
The sh_link in the ELF section header of .ARM.exidx should
be filled with the section index of the corresponding text
section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174372
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Arnold Schwaighofer [Tue, 5 Feb 2013 14:05:55 +0000 (14:05 +0000)]
ARM cost model: Cost for scalar integer casts and floating point conversions
Also adds some costs for vector integer float conversions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174371
91177308-0d34-0410-b5e6-
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Tim Northover [Tue, 5 Feb 2013 13:24:56 +0000 (13:24 +0000)]
Fix formatting in AArch64 backend.
This should fix three purely whitespace issues:
+ 80 column violations.
+ Tab characters.
+ TableGen brace placement.
No functional changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174370
91177308-0d34-0410-b5e6-
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Tim Northover [Tue, 5 Feb 2013 13:24:47 +0000 (13:24 +0000)]
Remove cyclic dependency in AArch64 libraries
This moves the bit twiddling and string fiddling functions required by other
parts of the backend into a separate library. Previously they resided in
AArch64Desc, which created a circular dependency between various components.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174369
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Jack Carter [Tue, 5 Feb 2013 09:30:03 +0000 (09:30 +0000)]
This patch that sets the Mips ELF header flag for
MicroMips architectures.
Contributer: Zoran Jovanovic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174360
91177308-0d34-0410-b5e6-
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Jack Carter [Tue, 5 Feb 2013 08:32:10 +0000 (08:32 +0000)]
This patch that sets the EmitAlias flag in td files
and enables the instruction printer to print aliased
instructions.
Due to usage of RegisterOperands a change in common
code (utils/TableGen/AsmWriterEmitter.cpp) is required
to get the correct register value if it is a RegisterOperand.
Contributer: Vladimir Medic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174358
91177308-0d34-0410-b5e6-
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Michael J. Spencer [Tue, 5 Feb 2013 08:22:27 +0000 (08:22 +0000)]
[Support][ErrorOr] Add support for convertable types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174357
91177308-0d34-0410-b5e6-
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Bill Wendling [Tue, 5 Feb 2013 08:09:32 +0000 (08:09 +0000)]
Add target-dependent versions of addAttribute/removeAttribute to AttrBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174356
91177308-0d34-0410-b5e6-
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Michael Gottesman [Tue, 5 Feb 2013 08:01:22 +0000 (08:01 +0000)]
Changed in comment cxx -> C++. Thanks Richard Smith!.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174355
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Jack Carter [Tue, 5 Feb 2013 07:47:41 +0000 (07:47 +0000)]
This patch changes a static_cast to dyn_cast
for MipsELFStreamer objects.
Contributer: Jack Carter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174354
91177308-0d34-0410-b5e6-
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Eric Christopher [Tue, 5 Feb 2013 07:32:03 +0000 (07:32 +0000)]
Construct a skeleton cu for each compile unit in the module, not just
for the first compile unit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174352
91177308-0d34-0410-b5e6-
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Eric Christopher [Tue, 5 Feb 2013 07:32:00 +0000 (07:32 +0000)]
Add support for testing the output of the abbrev table for the
skeleton CU as part of the DWARF5 split dwarf proposal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174351
91177308-0d34-0410-b5e6-
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Eric Christopher [Tue, 5 Feb 2013 07:31:55 +0000 (07:31 +0000)]
Add support for emitting a stub DW_AT_GNU_dwo_id as part of the
DWARF5 split dwarf proposal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174350
91177308-0d34-0410-b5e6-
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Bill Wendling [Tue, 5 Feb 2013 07:19:31 +0000 (07:19 +0000)]
Use the do-while(0) thing for this #define.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174347
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Alexey Samsonov [Tue, 5 Feb 2013 07:01:34 +0000 (07:01 +0000)]
Print error messages from MemoryBuffer::getFile() in llvm-symbolizer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174346
91177308-0d34-0410-b5e6-
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Michael Gottesman [Tue, 5 Feb 2013 06:53:26 +0000 (06:53 +0000)]
Add code to GlobalVariable.h so that global variables marked as
externally_initialized return false for hasDefiniteInitializer and
hasUniqueInitializer.
rdar://
12580965.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174345
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Owen Anderson [Tue, 5 Feb 2013 06:25:30 +0000 (06:25 +0000)]
When the target-independent DAGCombiner inferred a higher alignment for a load,
it would replace the load with one with the higher alignment. However, it did
not place the new load in the worklist, which prevented later DAG combines in
the same phase (for example, target-specific combines) from ever seeing it.
This patch corrects that oversight, and updates some tests whose output changed
due to slightly different DAGCombine outputs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174343
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Michael Gottesman [Tue, 5 Feb 2013 05:57:38 +0000 (05:57 +0000)]
Added LLVM Asm/Bitcode Reader/Writer support for new IR keyword externally_initialized.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174340
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Manman Ren [Mon, 4 Feb 2013 23:45:08 +0000 (23:45 +0000)]
[Stack Alignment] emit warning instead of a hard error
Per discussion in rdar://
13127907, we should emit a hard error only if
people write code where the requested alignment is larger than achievable
and assumes the low bits are zeros. A warning should be good enough when
we are not sure if the source code assumes the low bits are zeros.
rdar://
13127907
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174336
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Bill Wendling [Mon, 4 Feb 2013 23:32:23 +0000 (23:32 +0000)]
Initial cleanups of the param-attribute code in the bitcode reader/writer.
Rename the PARAMATTR_CODE_ENTRY to PARAMATTR_CODE_ENTRY_OLD. It will be replaced
by another encoding. Keep around the current LLVM attribute encoder/decoder
code, but move it to the bitcode directories so that no one's tempted to use
them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174335
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Alexey Samsonov [Mon, 4 Feb 2013 15:55:26 +0000 (15:55 +0000)]
Replace global std::string with const char[]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174332
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Jyotsna Verma [Mon, 4 Feb 2013 15:52:56 +0000 (15:52 +0000)]
Hexagon: Add V4 combine instructions and some more Def Pats for V2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174331
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Mon, 4 Feb 2013 15:52:32 +0000 (15:52 +0000)]
Disable a couple more vector splat optimizations on PPC.
I didn't see those because the test case used "not grep". FileCheck the test and
XFAIL it, preserving the old optimization, so this can be fixed eventually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174330
91177308-0d34-0410-b5e6-
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Tim Northover [Mon, 4 Feb 2013 15:44:38 +0000 (15:44 +0000)]
Fix some abuses of StringRef
We were taking a StringRef to a temporary result, which can go horribly wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174328
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Benjamin Kramer [Mon, 4 Feb 2013 15:19:33 +0000 (15:19 +0000)]
X86: Open up some opportunities for constant folding by postponing shift lowering.
Fixes PR15141.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174327
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Benjamin Kramer [Mon, 4 Feb 2013 15:19:25 +0000 (15:19 +0000)]
X86: Simplify code. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174326
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Mon, 4 Feb 2013 15:19:18 +0000 (15:19 +0000)]
SelectionDAG: Teach FoldConstantArithmetic how to deal with vectors.
This required disabling a PowerPC optimization that did the following:
input:
x = BUILD_VECTOR <i32 16, i32 16, i32 16, i32 16>
lowered to:
tmp = BUILD_VECTOR <i32 8, i32 8, i32 8, i32 8>
x = ADD tmp, tmp
The add now gets folded immediately and we're back at the BUILD_VECTOR we
started from. I don't see a way to fix this currently so I left it disabled
for now.
Fix some trivially foldable X86 tests too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174325
91177308-0d34-0410-b5e6-
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Tim Northover [Mon, 4 Feb 2013 14:14:58 +0000 (14:14 +0000)]
Give explicit suffix to integer constant over 32-bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174324
91177308-0d34-0410-b5e6-
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Tim Northover [Mon, 4 Feb 2013 12:32:21 +0000 (12:32 +0000)]
Enable AArch64 as a target built by default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174322
91177308-0d34-0410-b5e6-
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Tim Northover [Mon, 4 Feb 2013 12:15:00 +0000 (12:15 +0000)]
Update debugging test for change in expected metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174321
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Dmitri Gribenko [Mon, 4 Feb 2013 10:24:58 +0000 (10:24 +0000)]
Coding standards: don't use ``inline`` when defining a function in a class
definition
Current practice is not to use 'inline' in:
class Foo {
public:
inline void bar() {
// ...
}
};
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174317
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Patrik Hagglund [Mon, 4 Feb 2013 08:15:53 +0000 (08:15 +0000)]
Pass CPPFLAGS/CFLAGS/CXXFLAGS from the environment of configure to
Makefile.config.
This is implied at the bottom of the help text of configure (besides
CC/CXX/LDFLAGS, already passed to Makefile.config).
For backward compatibility, the values of CFLAGS and CXXFLAGS defaults
to empty, overriding the default values provided by autoconf (for
example, '-g -O2' when CC=gcc').
$(CPP) is not used by our makefiles. Therefore, the value of CPP is
not passed to Makefile.config, despite beeing mentioned by 'configure
--help'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174313
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Evgeniy Stepanov [Mon, 4 Feb 2013 07:03:24 +0000 (07:03 +0000)]
More MSan/ASan annotations.
This change lets us bootstrap LLVM/Clang under ASan and MSan. It contains
fixes for 2 issues:
- X86JIT reads return address from stack, which MSan does not know is
initialized.
- bugpoint tests run binaries with RLIMIT_AS. This does not work with certain
Sanitizers.
We are no longer including config.h in Compiler.h with this change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174306
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David Blaikie [Mon, 4 Feb 2013 05:56:36 +0000 (05:56 +0000)]
[DebugInfo] remove more node indirection (this time from the subprogram's variable lists)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174305
91177308-0d34-0410-b5e6-
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David Blaikie [Mon, 4 Feb 2013 05:31:37 +0000 (05:31 +0000)]
PR15149: crash when printing debug info metadata containing an invalid language spec
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174304
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Michael Gottesman [Mon, 4 Feb 2013 03:22:00 +0000 (03:22 +0000)]
Removed reference to LLVM as a project (since in LangRef it is used solely as a reference to the IR). Thanks silvas!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174301
91177308-0d34-0410-b5e6-
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Arnold Schwaighofer [Mon, 4 Feb 2013 02:52:05 +0000 (02:52 +0000)]
ARM cost model: Penalize insertelement into D subregisters
Swift has a renaming dependency if we load into D subregisters. We don't have a
way of distinguishing between insertelement operations of values from loads and
other values. Therefore, we are pessimistic for now (The performance problem
showed up in example 14 of gcc-loops).
radar://
13096933
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174300
91177308-0d34-0410-b5e6-
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Edwin Vane [Mon, 4 Feb 2013 02:32:44 +0000 (02:32 +0000)]
Turn off uninitialized-use warnings for gcc in cmake build
Added support to the cmake build to turn off uninitialized use warnings
for gcc. This cleans the build up somewhat.
Used logic simpler than found in autoconf by making use of the fact that
although gcc won't complain about unsupported -Wno-* flags it *will*
complain about unsupported -W flags.
Reviewers: gribozavr, doug.gregor, chandlerc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174299
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NAKAMURA Takumi [Mon, 4 Feb 2013 00:47:38 +0000 (00:47 +0000)]
PPCDarwinAsmPrinter::EmitStartOfAsmFile(): Add checking range in CPUDirectives[].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174298
91177308-0d34-0410-b5e6-
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NAKAMURA Takumi [Mon, 4 Feb 2013 00:47:33 +0000 (00:47 +0000)]
PPCDarwinAsmPrinter::EmitStartOfAsmFile(): Add possible elements in CPUDirectives[].
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174297
91177308-0d34-0410-b5e6-
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Michael Gottesman [Sun, 3 Feb 2013 21:54:38 +0000 (21:54 +0000)]
Added instance variable/initializers/getter/setters for new keyword externally initialized to GlobalVariable. No *TRUE* functionality change.
I am going to add in the actual test cases with the actual functionality
changes in a later patch because I want to include some test cases.
To be clear when I say no *TRUE* functionality change I mean that this
patch (like it says in the title) only contains getters/setters and sets
up a default initial value of the instance variable to false so that
this patch does not affect any other uses of Global Variable.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174295
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Joerg Sonnenberger [Sun, 3 Feb 2013 17:06:49 +0000 (17:06 +0000)]
Recognize aarch64 for --enable-targets as advertised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174288
91177308-0d34-0410-b5e6-
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Nuno Lopes [Sun, 3 Feb 2013 13:17:11 +0000 (13:17 +0000)]
use GEP::accumulateConstantOffset() to replace custom written code to compute GEP offset
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174279
91177308-0d34-0410-b5e6-
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Michael J. Spencer [Sun, 3 Feb 2013 10:48:50 +0000 (10:48 +0000)]
[Object][Archive] Improve performance.
Improve performance of iterating over children and accessing the member file
buffer by caching the file size and moving code out to the header.
This also makes getBuffer return a StringRef instead of a MemoryBuffer. Both
fixing a memory leak and removing a malloc.
This takes getBuffer from ~10% of the time in lld to unmeasurable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174272
91177308-0d34-0410-b5e6-
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Michael J. Spencer [Sun, 3 Feb 2013 10:48:31 +0000 (10:48 +0000)]
[Support] Add LLVM_IS_UNALIGNED_ACCESS_FAST.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174271
91177308-0d34-0410-b5e6-
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Michael Gottesman [Sun, 3 Feb 2013 09:57:18 +0000 (09:57 +0000)]
Added new Global Variable marker ``externally_initialized'' to LangRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174270
91177308-0d34-0410-b5e6-
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Michael Gottesman [Sun, 3 Feb 2013 09:57:15 +0000 (09:57 +0000)]
Added clarification paragraph to LangRef's documentation of
GlobalVariable about LLVM's assumptions vis-a-vis Global Variable
initial values and Global Variable initializers.
This is in preparation for adding the new keyword
externally_initialized.
Specifically, the patch explains how LLVM optimizes global initializers
by assumign that global variables defined within the module are not
modified from their initial values before the start of the global
initializer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174269
91177308-0d34-0410-b5e6-
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David Blaikie [Sat, 2 Feb 2013 05:56:24 +0000 (05:56 +0000)]
Remove the (apparently) unnecessary debug info metadata indirection.
The main lists of debug info metadata attached to the compile_unit had an extra
layer of metadata nodes they went through for no apparent reason. This patch
removes that (& still passes just as much of the GDB 7.5 test suite). If anyone
can show evidence as to why these extra metadata nodes are there I'm open to
reverting this patch & documenting why they're there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174266
91177308-0d34-0410-b5e6-
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Reed Kotler [Sat, 2 Feb 2013 04:07:35 +0000 (04:07 +0000)]
Start static relocation implementation for mips16.
This checkin makes hello world work.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174264
91177308-0d34-0410-b5e6-
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Manman Ren [Sat, 2 Feb 2013 01:34:38 +0000 (01:34 +0000)]
Removing ssp and uwtable from the testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174259
91177308-0d34-0410-b5e6-
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Bill Wendling [Sat, 2 Feb 2013 00:52:44 +0000 (00:52 +0000)]
Remove AttrBuilder::Raw().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174251
91177308-0d34-0410-b5e6-
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Bill Wendling [Sat, 2 Feb 2013 00:42:06 +0000 (00:42 +0000)]
Use the AttributeSet's iterators.
Use the AttributeSet's iterators in AttrBuilder::hasAttributes() when
determining of the intersection of the AttrBuilder and AttributeSet is non-null.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174250
91177308-0d34-0410-b5e6-
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Nick Lewycky [Sat, 2 Feb 2013 00:25:26 +0000 (00:25 +0000)]
Revert accidental commit (ran svn commit from wrong directory).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174241
91177308-0d34-0410-b5e6-
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Nick Lewycky [Sat, 2 Feb 2013 00:22:37 +0000 (00:22 +0000)]
This patch makes "&Cls::purevfn" not an odr use. This isn't what the standard
says, but that's a defect (to be filed). "Cls::purevfn()" is still an odr use.
Also fixes a bug in the previous patch that caused us to not mark the function
referenced just because we didn't want to mark it odr used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174240
91177308-0d34-0410-b5e6-
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Shuxin Yang [Sat, 2 Feb 2013 00:22:03 +0000 (00:22 +0000)]
rdar://
13126763
Fix a bug in DAGCombine. The symptom is mistakenly optimizing expression
"x + x*x" into "x * 3.0".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174239
91177308-0d34-0410-b5e6-
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Manman Ren [Sat, 2 Feb 2013 00:02:03 +0000 (00:02 +0000)]
Correct indentation for dumping LexicalScope.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174237
91177308-0d34-0410-b5e6-
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Manman Ren [Fri, 1 Feb 2013 23:54:37 +0000 (23:54 +0000)]
[Dwarf] avoid emitting multiple AT_const_value for static memebers.
Testing case is reduced from MultiSource/BenchMarks/Prolangs-C++/deriv1.
rdar://problem/
13071590
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174235
91177308-0d34-0410-b5e6-
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Bill Schmidt [Fri, 1 Feb 2013 23:10:09 +0000 (23:10 +0000)]
Add notes about future PowerPC features
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174232
91177308-0d34-0410-b5e6-
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Bill Schmidt [Fri, 1 Feb 2013 22:59:51 +0000 (22:59 +0000)]
LLVM enablement for some older PowerPC CPUs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174230
91177308-0d34-0410-b5e6-
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Bill Wendling [Fri, 1 Feb 2013 22:32:30 +0000 (22:32 +0000)]
Change the AttributeImpl to hold a single Constant* for the values.
This Constant could be an aggregate to represent multiple values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174228
91177308-0d34-0410-b5e6-
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Preston Gurd [Fri, 1 Feb 2013 20:41:27 +0000 (20:41 +0000)]
This patch aims to improve compile time performance by increasing
the SCEV vector size in LoopStrengthReduce. It is observed that
the BaseRegs vector size is 4 in most cases,
and elements are frequently copied when it is initialized as
SmallVector<const SCEV *, 2> BaseRegs.
Our benchmark results show that the compilation time performance
improved by ~0.5%.
Patch by Wan Xiaofei.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174219
91177308-0d34-0410-b5e6-
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Dan Gohman [Fri, 1 Feb 2013 19:37:52 +0000 (19:37 +0000)]
Add a testcase for some past-the-end address subtleties.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174210
91177308-0d34-0410-b5e6-
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David Sehr [Fri, 1 Feb 2013 19:28:09 +0000 (19:28 +0000)]
Two changes relevant to LEA and x32:
1) allows the use of RIP-relative addressing in 32-bit LEA instructions under
x86-64 (ILP32 and LP64)
2) separates the size of address registers in 64-bit LEA instructions from
control by ILP32/LP64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174208
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Nadav Rotem [Fri, 1 Feb 2013 19:25:23 +0000 (19:25 +0000)]
Fix errant fallthrough in the generation of the lifetime markers.
Found by Alexander Kornienko.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174207
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Jim Grosbach [Fri, 1 Feb 2013 18:57:06 +0000 (18:57 +0000)]
Fix misplaced 'break'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174205
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Chad Rosier [Fri, 1 Feb 2013 17:49:07 +0000 (17:49 +0000)]
Use a continue to simplify loop and reduce indentation. No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174198
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Jyotsna Verma [Fri, 1 Feb 2013 16:40:06 +0000 (16:40 +0000)]
Hexagon: Test case to confirm generation of indexed loads with zero offset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174196
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Jyotsna Verma [Fri, 1 Feb 2013 16:36:16 +0000 (16:36 +0000)]
Replace LDriu*[bhdw]_indexed_V4 instructions with "def Pats".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174193
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Jyotsna Verma [Fri, 1 Feb 2013 15:54:43 +0000 (15:54 +0000)]
Add appropriate TSFlags to the instructions that must be always extended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174186
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Benjamin Kramer [Fri, 1 Feb 2013 15:21:10 +0000 (15:21 +0000)]
InstSimplify: stripAndComputeConstantOffsets can be called with vectors of pointers too.
Prepare it for vectors of pointers and handle simple cases. We don't handle
complicated cases because accumulateConstantOffset bails on pointer vectors.
Fixes selfhost on i386.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174179
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Tim Northover [Fri, 1 Feb 2013 14:55:05 +0000 (14:55 +0000)]
Remove currently unused register decoder from AArch64.
This should fix a warning when building this backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174177
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Tim Northover [Fri, 1 Feb 2013 11:40:47 +0000 (11:40 +0000)]
Add explicit triples to AArch64 tests
Only Linux is supported at the moment, and other platforms quickly fault. As a
result these tests would fail on non-Linux hosts. It may be worth making the
tests more generic again as more platforms are supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174170
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Nadav Rotem [Fri, 1 Feb 2013 07:59:33 +0000 (07:59 +0000)]
Revert r174152. The shift amount may overflow and in that case this transformation is illegal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174156
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Nadav Rotem [Fri, 1 Feb 2013 06:45:40 +0000 (06:45 +0000)]
Optimize shift lefts of a constant by a value plus constant into a single shift.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174152
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Sean Silva [Fri, 1 Feb 2013 03:50:20 +0000 (03:50 +0000)]
[docs] Fixup fallout from other grammar fixup.
My "excuse" for not refactoring the grammar here is to not diverge too
far from the grammar in the comments of TGParser.cpp, since I'm not
taking on the quest of majorly refactoring TGParser.cpp at the moment.
One benefit of doing this is that Ideas for refactoring and clarifying
the grammar in this document should translate almost immediately to
beneficial refactorings that can be made to TGParser.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174144
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Sean Silva [Fri, 1 Feb 2013 03:32:38 +0000 (03:32 +0000)]
[docs] Add missing colon to TableGen grammar.
Spotted by Eli Bendersky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174143
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Andrew Trick [Fri, 1 Feb 2013 03:19:54 +0000 (03:19 +0000)]
MachineModel: Inconsequential TableGen SubtargetEmitter fix.
Drive by fix. I noticed some missing logic that might bite future
users. This shouldn't affect the final output on currently modeled
targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174142
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Bill Wendling [Fri, 1 Feb 2013 01:04:27 +0000 (01:04 +0000)]
Remove some dead code, improve some asserts, and other assorted changes. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174132
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Dan Gohman [Fri, 1 Feb 2013 00:49:06 +0000 (00:49 +0000)]
Add a comment explaining an unavailable optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174131
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Bill Wendling [Fri, 1 Feb 2013 00:48:14 +0000 (00:48 +0000)]
Remove one of the odious 'Raw' methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174130
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Bill Wendling [Fri, 1 Feb 2013 00:13:50 +0000 (00:13 +0000)]
Use iterators instead of relying upon a bitmask of attributes to remove attributes from an AttrBuilder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174123
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Dan Gohman [Fri, 1 Feb 2013 00:11:13 +0000 (00:11 +0000)]
Rewrite instsimplify's handling if icmp on pointer values to remove the
remaining use of AliasAnalysis concepts such as isIdentifiedObject to
prove pointer inequality.
@external_compare in test/Transforms/InstSimplify/compare.ll shows a simple
case where a noalias argument can be equal to a global variable address, and
while AliasAnalysis can get away with saying that these pointers don't alias,
instsimplify cannot say that they are not equal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174122
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Chandler Carruth [Fri, 1 Feb 2013 00:04:33 +0000 (00:04 +0000)]
Fix another typo in the classof definitions that doesn't (currently)
have any effect. Spotted by Eli in review, thanks!!!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174121
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Bill Wendling [Thu, 31 Jan 2013 23:53:05 +0000 (23:53 +0000)]
Add iterators to the AttributeSet class so that we can access the Attributes in a nice way.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174120
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Dan Gohman [Thu, 31 Jan 2013 23:49:33 +0000 (23:49 +0000)]
An alloca can be equal to an argument. It can't *alias* an alloca, but it could
be equal, since there's nothing preventing a caller from correctly predicting
the stack location of an alloca.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174119
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Chandler Carruth [Thu, 31 Jan 2013 23:43:14 +0000 (23:43 +0000)]
Switch the code added in r173885 to use the new, shiny RTTI
infrastructure on MCStreamer to test for whether there is an
MCELFStreamer object available.
This is just a cleanup on the AsmPrinter side of things, moving ad-hoc
tests of random APIs to a direct type query. But the AsmParser
completely broken. There were no tests, it just blindly cast its
streamer to an MCELFStreamer and started manipulating it.
I don't have a test case -- this actually failed on LLVM's own
regression test suite. Unfortunately the failure only appears when the
stars, compilers, and runtime align to misbehave when we read a pointer
to a formatted_raw_ostream as-if it were an MCAssembler. =/
UBSan would catch this immediately.
Many thanks to Matt for doing about 80% of the debugging work here in
GDB, Jim for helping to explain how exactly to fix this, and others for
putting up with the hair pulling that ensued during debugging it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174118
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Chandler Carruth [Thu, 31 Jan 2013 23:43:12 +0000 (23:43 +0000)]
Fix a think-o in the condition here. =[ I would commit the test that
caught this, but I want that in a separate commit in case there is
a need to revert the actual functional bit as part of reverting other
patches. This way, the commits relating to just getting the RTTI bits in
place are separate from the functional changes that start using them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174117
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Bill Wendling [Thu, 31 Jan 2013 23:38:01 +0000 (23:38 +0000)]
s/AttrBuilder::addAttributes/AttrBuilder::addAttribute/g because that's more descriptive of what it actually is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174116
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Chandler Carruth [Thu, 31 Jan 2013 23:34:47 +0000 (23:34 +0000)]
Fix a copy/paste-o that got missed because 'check' doesn't build lto.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174115
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Chandler Carruth [Thu, 31 Jan 2013 23:29:57 +0000 (23:29 +0000)]
Give the MCStreamer class hierarchy LLVM RTTI facilities for use with
isa<> and dyn_cast<>. In several places, code is already hacking around
the absence of this, and there seem to be several interfaces that might
be lifted and/or devirtualized using this.
This change was based on a discussion with Jim Grosbach about how best
to handle testing for specific MCStreamer subclasses. He said that this
was the correct end state, and everything else was too hacky so
I decided to just make it so.
No functionality should be changed here, this is just threading the kind
through all the constructors and setting up the classof overloads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174113
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Bill Wendling [Thu, 31 Jan 2013 23:16:25 +0000 (23:16 +0000)]
Remove the AttrBuilder form of the Attribute::get creators.
The AttrBuilder is for building a collection of attributes. The Attribute object
holds only one attribute. So it's not really useful for the Attribute object to
have a creator which takes an AttrBuilder.
This has two fallouts:
1. The AttrBuilder no longer holds its internal attributes in a bit-mask form.
2. The attributes are now ordered alphabetically (hence why the tests have changed).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174110
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Richard Smith [Thu, 31 Jan 2013 23:02:23 +0000 (23:02 +0000)]
Regenerate configure to hopefully fix buildbot breakage. Oh how I love autoconf.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174108
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NAKAMURA Takumi [Thu, 31 Jan 2013 22:55:51 +0000 (22:55 +0000)]
Update AMDGPURegisterInfo::eliminateFrameIndex() corresponding to r174083.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174106
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Richard Smith [Thu, 31 Jan 2013 22:19:12 +0000 (22:19 +0000)]
Add -Wno-nested-anon-types to -pedantic builds of LLVM. This Clang warning
catches uses of an extremely minor and widely-available C++ extension (which
every C++ compiler I could find supports, but EDG and Clang reject in strict
mode).
The diagnosed code pattern looks like this:
struct X {
union {
struct {
int a;
int b;
} S;
};
};
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174103
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Daniel Dunbar [Thu, 31 Jan 2013 22:15:20 +0000 (22:15 +0000)]
[lit] Add a test for internal shell execution behaviors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174102
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Daniel Dunbar [Thu, 31 Jan 2013 22:15:15 +0000 (22:15 +0000)]
[lit] Change to raise InternalShellError for all command execution issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174101
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Dan Gohman [Thu, 31 Jan 2013 22:13:00 +0000 (22:13 +0000)]
Document another instsimplify assumption.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174100
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Tom Stellard [Thu, 31 Jan 2013 22:11:54 +0000 (22:11 +0000)]
R600: Fold clamp, neg, abs
Patch by: Vincent Lejeune
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174099
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Tom Stellard [Thu, 31 Jan 2013 22:11:53 +0000 (22:11 +0000)]
R600: Consider bitcast when folding const_address node.
Patch by: Vincent Lejeune
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174098
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