Bill Schmidt [Thu, 13 Jun 2013 20:23:34 +0000 (20:23 +0000)]
[PowerPC] Disable fast-isel for existing -O0 tests for PowerPC.
This is a preliminary patch for fast instruction selection on
PowerPC. Code generation can differ between DAG isel and fast isel.
Existing tests that specify -O0 were written to expect DAG isel. Make
this explicit by adding -fast-isel=false to the tests.
In some cases specifying -fast-isel=false produces different code even
when there isn't a fast instruction selector specified. This is
because TM.Options.EnableFastISel = 1 at -O0 whether or not a FastISel
object exists. Thus disabling fast isel can actually produce less
conservative code. Because of this, some of the expected code
generation in the -O0 tests needs to be adjusted.
In particular, handling of function arguments is less conservative
with -fast-isel=false (see isOnlyUsedInEntryBlock() in
SelectionDAGBuilder.cpp). This results in fewer stack accesses and,
in some cases, reduced stack size as uselessly loaded values are no
longer stored back to spill locations in the stack.
No functional change with this patch; test case adjustments only.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183939
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Tom Stellard [Thu, 13 Jun 2013 20:14:00 +0000 (20:14 +0000)]
R600: Don't try to fix reg class when copying IMPLICIT_DEF to a register
The test case for this is way too complex to be useful as a lit test,
and I was unable to reduce it.
https://bugs.freedesktop.org/show_bug.cgi?id=65438
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183937
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Rafael Espindola [Thu, 13 Jun 2013 20:06:28 +0000 (20:06 +0000)]
Add a version of sys::ExecuteAndWait that takes StringRefs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183934
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Derek Schuff [Thu, 13 Jun 2013 19:51:17 +0000 (19:51 +0000)]
Fix DeleteDeadVarargs not to crash on functions referenced by BlockAddresses
This pass was assuming that if hasAddressTaken() returns false for a
function, the function's only uses are call sites. That's not true
because there can be references by BlockAddresses too.
Fix the pass to handle this case. Fix
BlockAddress::replaceUsesOfWithOnConstant() to allow a function's type
to be changed by RAUW'ing the function with a bitcast of the recreated
function.
Patch by Mark Seaborn.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183933
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Rafael Espindola [Thu, 13 Jun 2013 19:25:37 +0000 (19:25 +0000)]
Have sys::FindProgramByName return a std::string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183928
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Benjamin Kramer [Thu, 13 Jun 2013 19:06:52 +0000 (19:06 +0000)]
Mips: Remove global set.
Backends shouldn't retain any global state. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183927
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Reid Kleckner [Thu, 13 Jun 2013 18:12:12 +0000 (18:12 +0000)]
Merge changes to clang's Driver code into LLVM's Option library
This is in preparation for switching the clang driver over to using LLVM's
Option library. Richard Smith introduced most of these changes to the clang
driver in r167638.
Reviewers: espindola on IRC
Differential Revision: http://llvm-reviews.chandlerc.com/D970
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183925
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Rafael Espindola [Thu, 13 Jun 2013 17:32:16 +0000 (17:32 +0000)]
Covert remaining graph viewers from sys::Path to std::string.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183921
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Rafael Espindola [Thu, 13 Jun 2013 17:27:45 +0000 (17:27 +0000)]
Update code for other graph viewing programs too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183920
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Rafael Espindola [Thu, 13 Jun 2013 17:20:48 +0000 (17:20 +0000)]
Reduce usage of sys::Path in the graph writer.
Now PathV1.h is not needed in GraphWriter.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183919
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Rafael Espindola [Thu, 13 Jun 2013 16:56:13 +0000 (16:56 +0000)]
Add a version of DisplayGraph that takes a StringRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183915
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Amaury de la Vieuville [Thu, 13 Jun 2013 16:41:55 +0000 (16:41 +0000)]
ARM: fix B decoding
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183914
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Amaury de la Vieuville [Thu, 13 Jun 2013 16:40:51 +0000 (16:40 +0000)]
ARM: fix t2am_imm8_offset operand printing for imm=#-0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183913
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Rafael Espindola [Thu, 13 Jun 2013 16:22:26 +0000 (16:22 +0000)]
Further reduce usage of sys::Path in bugpoint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183912
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Rafael Espindola [Thu, 13 Jun 2013 15:52:54 +0000 (15:52 +0000)]
Try to fix the build with libstdc++ 4.4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183909
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Rafael Espindola [Thu, 13 Jun 2013 15:47:11 +0000 (15:47 +0000)]
Reduce sys::Path usage in bugpoint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183908
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Benjamin Kramer [Thu, 13 Jun 2013 15:45:24 +0000 (15:45 +0000)]
X86: Make the cmov aliases work with intel syntax too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183907
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Reid Kleckner [Thu, 13 Jun 2013 15:27:17 +0000 (15:27 +0000)]
[Support] Fix handle and memory leak for processes that are not waited for
Execute's Data parameter is now optional, so we won't allocate memory
for it on Windows and we'll close the process handle.
The Unix code should probably do something similar to avoid accumulation
of zombie children that haven't been waited on.
Tested on Linux and Windows.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183906
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Aaron Ballman [Thu, 13 Jun 2013 14:39:07 +0000 (14:39 +0000)]
Zero-initializing variables; fixes a build breakage introduced in r183864.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183904
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Dan Gohman [Wed, 12 Jun 2013 22:19:19 +0000 (22:19 +0000)]
Print ConstantPool entries initialized to Values with WriteAsOperand instead of
operator<< so that functions are printed as just their name instead of as their
entire definition, which is excessively verbose in this context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183871
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Rafael Espindola [Wed, 12 Jun 2013 21:25:04 +0000 (21:25 +0000)]
[Win] Put ChangeStdinToBinary ChangeStdoutToBinary ChangeStderrToBinary in sys.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183868
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Rafael Espindola [Wed, 12 Jun 2013 21:16:07 +0000 (21:16 +0000)]
s/Void/void.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183866
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Rafael Espindola [Wed, 12 Jun 2013 21:11:50 +0000 (21:11 +0000)]
Attempt at fixing the windows build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183865
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Rafael Espindola [Wed, 12 Jun 2013 20:58:35 +0000 (20:58 +0000)]
Remove the program class.
It was only used to implement ExecuteAndWait and ExecuteNoWait. Expose just
those two functions and make Execute and Wait implementations details.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183864
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David Blaikie [Wed, 12 Jun 2013 20:57:32 +0000 (20:57 +0000)]
Revert r183854 (PPC: Fix switch warnings from r183841)
Now that the PRED_BAD has been removed, this is failing the Clang
-Werror build due to -Wcovered-switch-default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183863
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Rafael Espindola [Wed, 12 Jun 2013 20:42:59 +0000 (20:42 +0000)]
Add global versions of some Program static methods.
This is a temporary stepping stone for moving them out of Program.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183860
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Bill Schmidt [Wed, 12 Jun 2013 20:22:24 +0000 (20:22 +0000)]
[PowerPC] Remove PRED_BAD from PPC::Predicate enumeration.
I'm taking David Blaikie's suggestion to use an
Optional<PPC::Predicate> return value instead. That's the right
solution for this problem. Thanks for pointing out that possibility!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183858
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Bill Schmidt [Wed, 12 Jun 2013 19:20:32 +0000 (19:20 +0000)]
[PowerPC] Fix switch warnings from r183841.
Introducing PRED_BAD caused some unexpected warnings that are now
suppressed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183854
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Rui Ueyama [Wed, 12 Jun 2013 19:10:33 +0000 (19:10 +0000)]
readobj: Dump PE/COFF optional records.
These records are mandatory for executables and are used by the loader.
Reviewers: rafael
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183852
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Rafael Espindola [Wed, 12 Jun 2013 16:45:47 +0000 (16:45 +0000)]
Always remove an alias when we rename the target.
Should fix the dragonegg build bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183845
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Bill Schmidt [Wed, 12 Jun 2013 16:39:22 +0000 (16:39 +0000)]
[PowerPC] Expose some calling convention functions in PPCISelLowering.h.
This is a preparatory patch for fast-isel support. The instruction
selector will need to access some functions in PPCGenCallingConv.inc,
which in turn requires several helper functions to be defined. These
are currently defined near the only use of PCCGenCallingConv.inc,
inside PPCISelLowering.cpp. This patch moves the declaration of the
functions into the associated header file to provide the needed
visibility.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183844
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Rafael Espindola [Wed, 12 Jun 2013 16:35:53 +0000 (16:35 +0000)]
Convert test to FileCheck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183843
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Rafael Espindola [Wed, 12 Jun 2013 15:37:27 +0000 (15:37 +0000)]
Don't use PathV1 in CommandLine.cpp.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183842
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Bill Schmidt [Wed, 12 Jun 2013 15:14:42 +0000 (15:14 +0000)]
Add artificial PRED_BAD to PPC::Predicate enumeration.
Allows returning a PPC::Predicate from a function with a no-predicate
value possible. Preparatory patch for fast-isel on PPC64 ELF. No
behavioral change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183841
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Rafael Espindola [Wed, 12 Jun 2013 15:13:57 +0000 (15:13 +0000)]
Inline Path::isBitcodeFile into only use and remove it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183840
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Rafael Espindola [Wed, 12 Jun 2013 15:07:11 +0000 (15:07 +0000)]
Remove Path::getMagicNumber.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183839
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Rafael Espindola [Wed, 12 Jun 2013 15:04:59 +0000 (15:04 +0000)]
Remove Path::hasMagicNumber.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183838
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Rafael Espindola [Wed, 12 Jun 2013 15:02:39 +0000 (15:02 +0000)]
Remove Path::isAbsolute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183836
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Rafael Espindola [Wed, 12 Jun 2013 14:47:33 +0000 (14:47 +0000)]
Remove Path::isAbsolute().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183835
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Ulrich Weigand [Wed, 12 Jun 2013 14:46:54 +0000 (14:46 +0000)]
[MC/DWARF] Support .debug_frame / .debug_line code alignment factors
I've been comparing the object file output of LLVM's integrated
assembler against the external assembler on PowerPC, and one
area where differences still remain are in DWARF sections.
In particular, the GNU assembler generates .debug_frame and
.debug_line sections using a code alignment factor of 4, since
all PowerPC instructions have size 4 and must be aligned to a
multiple of 4. However, current MC code hard-codes a code
alignment factor of 1.
This patch changes this by adding a "minimum instruction alignment"
data element to MCAsmInfo and using this as code alignment factor.
This requires passing a MCContext into MCDwarfLineAddr::Encode
and MCDwarfLineAddr::EncodeAdvanceLoc. Note that one caller,
MCDwarfLineAddr::Write, didn't actually have that information
available. However, it turns out that this routine is in fact
never used in the whole code base, so the patch simply removes
it. If it turns out to be needed again at a later time, it
could be re-added with an updated interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183834
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Rafael Espindola [Wed, 12 Jun 2013 14:32:51 +0000 (14:32 +0000)]
Remove Path::getSuffix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183833
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Rafael Espindola [Wed, 12 Jun 2013 14:16:52 +0000 (14:16 +0000)]
Remove sys::CopyFile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183831
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Patrik Hagglund [Wed, 12 Jun 2013 14:15:21 +0000 (14:15 +0000)]
Fix 'gcc -flto' builds for unittest binaries (undefined reference to
`typeinfo for llvm::cl::GenericOptionValue').
Remove an "anchor" method for an abstract class. (This does not
increase the number of vtables.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183830
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Ulrich Weigand [Wed, 12 Jun 2013 14:14:18 +0000 (14:14 +0000)]
[PowerPC] Use assembler source in MC tests
A couple of old test cases in test/MC/PowerPC were still using
LLVM IR. Now that we have a working assembler, we can move
them to assembler tests instead:
ppc64-initial-cfa.ll
ppc64-relocs-01.ll
ppc64-tls-relocs-01.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183829
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Rafael Espindola [Wed, 12 Jun 2013 14:11:15 +0000 (14:11 +0000)]
Remove the old file memory mapping functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183828
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Rafael Espindola [Wed, 12 Jun 2013 13:59:17 +0000 (13:59 +0000)]
Remove Path::createFileOnDisk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183827
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Rafael Espindola [Wed, 12 Jun 2013 13:55:07 +0000 (13:55 +0000)]
Remove Path::makeExecutableOnDisk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183826
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Renato Golin [Wed, 12 Jun 2013 11:35:33 +0000 (11:35 +0000)]
Update Release Process doc
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183825
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Patrik Hagglund [Wed, 12 Jun 2013 08:45:39 +0000 (08:45 +0000)]
Fix gcc -flto build, by adding LLVM_ATTRIBUTE_USED to
LLVMX86CompilationCallback2, called from inline asm.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183824
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Sean Silva [Wed, 12 Jun 2013 00:01:26 +0000 (00:01 +0000)]
[yaml2obj] Remove fragile test case.
This test case was a "sanity check"/"breathing" test case at first, but
is really fragile, which impairs changes to yaml2obj.
`test/Object/yaml2obj-elf-bits-endian.test` is much more robust and
serves as an adequate sanity check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183811
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Sean Silva [Wed, 12 Jun 2013 00:01:22 +0000 (00:01 +0000)]
80-cols
This slipped in during a hasty renaming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183810
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Eric Christopher [Tue, 11 Jun 2013 23:41:44 +0000 (23:41 +0000)]
Correct the def registers for the 8bit x86 divide instructions to
match the comments and what the instruction actually does. Noticed
on inspection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183809
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Eric Christopher [Tue, 11 Jun 2013 23:41:41 +0000 (23:41 +0000)]
Use the Copy we defined above here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183808
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Eric Christopher [Tue, 11 Jun 2013 23:41:38 +0000 (23:41 +0000)]
Formatting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183807
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Akira Hatanaka [Tue, 11 Jun 2013 22:36:30 +0000 (22:36 +0000)]
Fix CMakeLists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183804
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Akira Hatanaka [Tue, 11 Jun 2013 22:21:44 +0000 (22:21 +0000)]
[mips] Add an IR transformation pass that optimizes calls to sqrt.
The pass emits a call to sqrt that has attribute "read-none". This call will be
converted to an ISD::FSQRT node during DAG construction, which will turn into
a mips native sqrt instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183802
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Rafael Espindola [Tue, 11 Jun 2013 22:21:28 +0000 (22:21 +0000)]
Move PathV2.h to Path.h
Most clients have already been moved from Path V1 to V2. The ones using V1
now include PathV1.h explicitly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183801
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JF Bastien [Tue, 11 Jun 2013 22:13:46 +0000 (22:13 +0000)]
ARM FastISel fix sext/zext fold
Sign- and zero-extension folding was slightly incorrect because it wasn't checking that the shift on extensions was zero. Further, I recently added AND rd, rn, #255 as a form of 8-bit zero extension, and failed to add the folding code for it.
This patch fixes both issues.
This patch fixes both, and the test should remain the same:
test/CodeGen/ARM/fast-isel-fold.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183794
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Tobias Grosser [Tue, 11 Jun 2013 21:45:01 +0000 (21:45 +0000)]
Make host ARM CPU feature detection independent of the vendor
For ARM on linux we use /proc/cpuinfo to detect the host CPU's features.
Linux derives these values without ever looking at the vendor of the
specific CPU implementation. Hence, it adds little value, if we parse
the output of /proc/cpuinfo only for certain vendors.
This patch enables us to derive the correct feature flags e.g. for Qualcomm
CPUs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183790
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Rui Ueyama [Tue, 11 Jun 2013 21:39:48 +0000 (21:39 +0000)]
[PECOFF] Remove COFF header from PE header for simplicity.
COFF header is always present both in executable and in object file. PE header
is present only in executable. So the natural way to handle PE/COFF file is
treating COFF is mandatory header and PE is optional. Current data structre
does not allow it, because PE header includes COFF header. Removing COFF
header will simplify the code to handle PE/COFF files.
Reviewers: Bigcheese
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D952
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183788
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Rafael Espindola [Tue, 11 Jun 2013 20:00:56 +0000 (20:00 +0000)]
Include PathV1.h in files that use it.
This is preparation for replacing Path.h with PathV2.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183782
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Rafael Espindola [Tue, 11 Jun 2013 19:32:57 +0000 (19:32 +0000)]
Remove Path::getDirname.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183780
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Rafael Espindola [Tue, 11 Jun 2013 19:29:48 +0000 (19:29 +0000)]
Remove Path::getBasename.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183779
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Rafael Espindola [Tue, 11 Jun 2013 19:25:17 +0000 (19:25 +0000)]
Remove Path::getLast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183778
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Rafael Espindola [Tue, 11 Jun 2013 19:18:05 +0000 (19:18 +0000)]
Remove GetDLLSuffix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183777
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Rafael Espindola [Tue, 11 Jun 2013 19:13:52 +0000 (19:13 +0000)]
Remove GetRootDirectory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183775
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Rafael Espindola [Tue, 11 Jun 2013 19:08:15 +0000 (19:08 +0000)]
Remove GetUserHomeDirectory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183773
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Rafael Espindola [Tue, 11 Jun 2013 19:04:13 +0000 (19:04 +0000)]
Don't define LTDL_SHLIBPATH_VAR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183771
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Rafael Espindola [Tue, 11 Jun 2013 18:58:47 +0000 (18:58 +0000)]
Remove GetSystemLibraryPaths.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183770
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Rafael Espindola [Tue, 11 Jun 2013 18:52:11 +0000 (18:52 +0000)]
Don't define LLVM_LIBDIR, it is not used anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183769
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Akira Hatanaka [Tue, 11 Jun 2013 18:48:16 +0000 (18:48 +0000)]
[mips] Use function TargetInstrInfo::getRegClass.
No functionality changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183767
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Rafael Espindola [Tue, 11 Jun 2013 18:45:35 +0000 (18:45 +0000)]
Remove Path::GetBitcodeLibraryPaths.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183765
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Rafael Espindola [Tue, 11 Jun 2013 18:41:07 +0000 (18:41 +0000)]
Remove unused FindLibrary function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183764
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Rafael Espindola [Tue, 11 Jun 2013 18:18:02 +0000 (18:18 +0000)]
Remove sys::identifyFileType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183763
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Michael Liao [Tue, 11 Jun 2013 18:09:21 +0000 (18:09 +0000)]
Fix documentation on the path to Bitcode reader/writer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183761
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Rafael Espindola [Tue, 11 Jun 2013 18:05:26 +0000 (18:05 +0000)]
Convert another use of sys::identifyFileType.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183759
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Rafael Espindola [Tue, 11 Jun 2013 18:01:14 +0000 (18:01 +0000)]
Convert another use of sys::identifyFileType.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183758
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Rafael Espindola [Tue, 11 Jun 2013 17:48:06 +0000 (17:48 +0000)]
Change how globalopt handles aliases in llvm.used.
Instead of a custom implementation of replaceAllUsesWith, we just call
replaceAllUsesWith and recreate llvm.used and llvm.compiler-used.
This change is particularity interesting because it makes llvm see
through what clang is doing with static used functions in extern "C"
contexts. With this change, running clang -O2 in
extern "C" {
__attribute__((used)) static void foo() {}
}
produces
@llvm.used = appending global [1 x i8*] [i8* bitcast (void ()* @foo to
i8*)], section "llvm.metadata"
define internal void @foo() #0 {
entry:
ret void
}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183756
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Rafael Espindola [Tue, 11 Jun 2013 17:28:56 +0000 (17:28 +0000)]
Convert another use of sys::identifyFileType.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183754
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Rafael Espindola [Tue, 11 Jun 2013 17:25:45 +0000 (17:25 +0000)]
Port r183666 to identify_magic.
It will be tested in the next commit which moves another user to identify_magic.
Original message:
Fix an out of bounds array access.
We were looking at Magic[5] without checking Length. Since this path would not
return unless Length >= 18 anyway, just move the >= 18 check up.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183753
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Rafael Espindola [Tue, 11 Jun 2013 17:22:12 +0000 (17:22 +0000)]
Fix variable name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183752
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Rafael Espindola [Tue, 11 Jun 2013 15:29:10 +0000 (15:29 +0000)]
Fix variable name style. Don't cast to and from int.
This enables the compiler to see the enum and produce warnings about a switch
not being fully covered. Fix one of these warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183749
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Rafael Espindola [Tue, 11 Jun 2013 15:19:04 +0000 (15:19 +0000)]
Convert another use of sys::identifyFileType.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183747
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Rafael Espindola [Tue, 11 Jun 2013 15:09:43 +0000 (15:09 +0000)]
Convert another use of sys::identifyFileType.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183746
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Rafael Espindola [Tue, 11 Jun 2013 14:39:59 +0000 (14:39 +0000)]
Convert a use of sys::identifyFileType to sys::fs::identify_magic.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183745
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Benjamin Kramer [Tue, 11 Jun 2013 13:32:25 +0000 (13:32 +0000)]
R600: Make helper functions static.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183744
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Rafael Espindola [Tue, 11 Jun 2013 13:18:13 +0000 (13:18 +0000)]
Require members of llvm.used to be named.
The effect of llvm.used is to introduce an invisible reference, so this seems
a reasonable restriction. It will be used to provide an easy ordering of
the entries in llvm.used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183743
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NAKAMURA Takumi [Tue, 11 Jun 2013 10:01:42 +0000 (10:01 +0000)]
Rework r183728, suppress assert(0) for now. Its behavior depends on assertions on win32 hosts.
FIXME: Introduce yet another checker but assert(0).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183736
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Mihai Popa [Tue, 11 Jun 2013 09:48:35 +0000 (09:48 +0000)]
It adds support for negative zero offsets for loads and stores.
Negative zero is returned by the primary expression parser as INT32_MIN, so all that the method needs to do is to accept this value.
Behavior already present for Thumb2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183734
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Mihai Popa [Tue, 11 Jun 2013 09:39:51 +0000 (09:39 +0000)]
This patch adds support for FPINST/FPINST2 as operands to vmsr/vmrs. These are optional registers that may be supported some ARM implementations to aid with resolution of floating point exceptions. The manual pages for vmsr and vmrs do not detail their use. Encodings and other information can be found in ARM Architecture Reference Manual section F, chapter 6, paragraph 3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183733
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Amaury de la Vieuville [Tue, 11 Jun 2013 08:14:14 +0000 (08:14 +0000)]
ARM: Enforce decoding rules for VLDn instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183731
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Amaury de la Vieuville [Tue, 11 Jun 2013 08:03:20 +0000 (08:03 +0000)]
ARM: Fix STREX/LDREX reecoding
The decoded MCInst wasn't reencoded as the same instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183729
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NAKAMURA Takumi [Tue, 11 Jun 2013 06:52:58 +0000 (06:52 +0000)]
Tweak a couple of tests on win32 hosts with +Asserts.
- Don't use assert(0), or tests may pass or fail according to assertions.
- For now, The tests are marked as XFAIL for win32 hosts.
FIXME: Could we avoid XFAIL to specify triple in the RUN lines?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183728
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NAKAMURA Takumi [Tue, 11 Jun 2013 06:52:43 +0000 (06:52 +0000)]
ARMAsmBackend.cpp: Use Triple::isOSBinFormatCOFF() instead of isOSWindows().
FYI, isOSBinFormatCOFF() is as same as isOSWindows(), on trunk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183727
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NAKAMURA Takumi [Tue, 11 Jun 2013 06:52:36 +0000 (06:52 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183726
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Sean Silva [Tue, 11 Jun 2013 00:13:52 +0000 (00:13 +0000)]
Fix dubious type name similar to member name.
Should bring bots back to life.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183715
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Sean Silva [Mon, 10 Jun 2013 23:48:38 +0000 (23:48 +0000)]
Fix spurious semicolons.
Apparently these macros have semicolons inside of them already.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183712
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Sean Silva [Mon, 10 Jun 2013 23:44:15 +0000 (23:44 +0000)]
[yaml2obj] Initial ELF support.
Currently, only emitting the ELF header is supported (no sections or
segments).
The ELFYAML code organization is broadly similar to the COFFYAML code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183711
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Tim Northover [Mon, 10 Jun 2013 23:20:58 +0000 (23:20 +0000)]
ARM: diagnose ARM/Thumb assembly switches on CPUs only supporting one.
Some ARM CPUs only support ARM mode (ancient v4 ones, for example) and some
only support Thumb mode (M-class ones currently). This makes sure such CPUs
default to the correct mode and makes the AsmParser diagnose an attempt to
switch modes incorrectly.
rdar://
14024354
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183710
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Nick Lewycky [Mon, 10 Jun 2013 23:10:59 +0000 (23:10 +0000)]
Fix xemacs mode line, don't put them in .cpp files (just header files). No
functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183709
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