David Blaikie [Thu, 10 Jul 2014 22:57:40 +0000 (22:57 +0000)]
This test case doesn't actually need the inliner to reproduce the input.
llvm-svn: 212775
Richard Smith [Thu, 10 Jul 2014 22:54:03 +0000 (22:54 +0000)]
Add AST dumping for VarDecl init kind.
llvm-svn: 212774
Jan Vesely [Thu, 10 Jul 2014 22:40:21 +0000 (22:40 +0000)]
R600: Implement float to long/ulong
Use alg. from LegalizeDAG.cpp
Move Expand setting to SIISellowering
v2: Extend existing tests instead of creating new ones
v3: use separate LowerFPTOSINT function
v4: use TargetLowering::expandFP_TO_SINT
add comment about using FP_TO_SINT for uints
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Tom Stellard <tom@stellard.net>
llvm-svn: 212773
Jan Vesely [Thu, 10 Jul 2014 22:40:18 +0000 (22:40 +0000)]
SelectionDAG: Factor FP_TO_SINT lower code out of DAGLegalizer
Move the code to a helper function to allow calls from TypeLegalizer.
No functionality change intended
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Tom Stellard <tom@stellard.net>
Reviewed-by: Owen Anderson <resistor@mac.com>
llvm-svn: 212772
Brad Smith [Thu, 10 Jul 2014 22:37:28 +0000 (22:37 +0000)]
Use the integrated assembler by default on OpenBSD.
llvm-svn: 212771
Alexey Samsonov [Thu, 10 Jul 2014 22:34:19 +0000 (22:34 +0000)]
[UBSan] Introduce type-based blacklisting.
Teach UBSan vptr checker to ignore technically invalud down-casts on
blacklisted types.
Based on http://reviews.llvm.org/D4407 by Byoungyoung Lee!
llvm-svn: 212770
Zoran Jovanovic [Thu, 10 Jul 2014 22:23:30 +0000 (22:23 +0000)]
[mips] Emit two CFI offset directives per double precision SDC1/LDC1
instead of just one for FR=1 registers
Differential Revision: http://reviews.llvm.org/D4310
llvm-svn: 212769
Dan Albert [Thu, 10 Jul 2014 22:23:03 +0000 (22:23 +0000)]
Make cmake cxxflags match those in lib/buildit.
llvm-svn: 212768
Alexey Samsonov [Thu, 10 Jul 2014 22:18:36 +0000 (22:18 +0000)]
Be more specific about return types of some methods.
This would allow to call addCompilerUsedGlobal on some
Clang-generated globals.
llvm-svn: 212767
Rui Ueyama [Thu, 10 Jul 2014 21:55:28 +0000 (21:55 +0000)]
[PECOFF] s/context/ctx/ for consistency.
llvm-svn: 212766
Rui Ueyama [Thu, 10 Jul 2014 21:43:19 +0000 (21:43 +0000)]
[PECOFF] Set resource table entry in header.
The resource table entry should have the RVA of the
embedded resource file.
llvm-svn: 212765
Richard Smith [Thu, 10 Jul 2014 20:53:43 +0000 (20:53 +0000)]
PR20256: don't accidentally instantiate non-dependent default-initialization as
value-initialization.
llvm-svn: 212764
Rui Ueyama [Thu, 10 Jul 2014 20:53:37 +0000 (20:53 +0000)]
[PECOFF] Invoke cvtres.exe in the driver.
Previously we invoked cvtres.exe for each compiled Windows
resource file. The generated files were then concatenated
and embedded to the executable.
That was not the correct way to merge compiled Windows
resource files. If you just concatenate generated files,
only the first file would be recognized and the rest would
be ignored as trailing garbage.
The right way to merge them is to call cvtres.exe with
multiple input files. In this patch we do that in the
Windows driver.
llvm-svn: 212763
Todd Fiala [Thu, 10 Jul 2014 20:52:08 +0000 (20:52 +0000)]
Flipped intermittent test failures from skip to XFAIL.
The following intermittently-failing tests have been flipped from
skip to XFAIL on some combo of Linux and MacOSX:
TestCallStopAndContinue.py (Linux, MacOSX)
TestCallWithTimeout.py (Linux)
TestConvenienceVariables.py (Linux)
TestStopHookMultipleThreads.py (Linux)
The following new tests have been marked XFAIL but are just
intermittently failing:
TestMultipleDebug.py (definitely intermittent on MacOSX, not sure I've seen
it pass yet on Linux)
llvm-svn: 212762
David Blaikie [Thu, 10 Jul 2014 20:42:59 +0000 (20:42 +0000)]
Fix the dtor location issues in PR20038 harder.
Originally committed in r211722, this fixed one case of dtor calls being
emitted without locations (this causes problems for debug info if the
call is then inlined), this caught only some of the cases.
Instead of trying to re-enable the location before the cleanup, simply
re-enable the location immediately after the unconditional branches in
question using a scoped device to ensure the no-location state doesn't
leak out arbitrarily.
llvm-svn: 212761
Zachary Turner [Thu, 10 Jul 2014 20:37:47 +0000 (20:37 +0000)]
Move the post-build step that creates lldb.py.
Being in lldb\source, ${CMAKE_CURRENT_BINARY_DIR} would resolve to
the build\tools\lldb\source directory. For correct operation, and
parity with the shell script, it needs to resolve to the
build\tools\lldb\scripts directory.
llvm-svn: 212760
Zachary Turner [Thu, 10 Jul 2014 20:25:18 +0000 (20:25 +0000)]
Add better logging to the new Python-based SWIG generation scripts.
llvm-svn: 212759
Simon Atanasyan [Thu, 10 Jul 2014 19:47:23 +0000 (19:47 +0000)]
[Mips] Make rel-dynamic-10.test test case independent from external input files.
llvm-svn: 212758
Ulrich Weigand [Thu, 10 Jul 2014 19:19:03 +0000 (19:19 +0000)]
Fix (and reenable) ppc64-align-struct.c test for non-assert builds.
llvm-svn: 212757
Andrea Di Biagio [Thu, 10 Jul 2014 18:59:41 +0000 (18:59 +0000)]
Extend the test coverage in combine-vec-shuffle-2.ll adding some negative tests.
Add test cases where we don't expect to trigger the combine optimizations
introduced at revision 212748.
No functional change intended.
llvm-svn: 212756
Tobias Grosser [Thu, 10 Jul 2014 18:59:25 +0000 (18:59 +0000)]
[doc] Fix incorrect reference to clang-format -> clang-tidy
llvm-svn: 212755
David Blaikie [Thu, 10 Jul 2014 18:46:15 +0000 (18:46 +0000)]
Remove use of uniform initialization ({}) introduced in r212725 since this isn't supported in MSVC.
llvm-svn: 212754
Ehsan Akhgari [Thu, 10 Jul 2014 18:44:24 +0000 (18:44 +0000)]
Avoid definining more GCC specific predefined macros in clang-cl
Reviewers: hansw, rnk
Subscribers: cfe-commits
Differential Revision: http://reviews.llvm.org/D4419
llvm-svn: 212753
David Blaikie [Thu, 10 Jul 2014 18:40:54 +0000 (18:40 +0000)]
Quick (attempted) fix for non-asserts builds for a test introduced in r212743.
llvm-svn: 212752
Argyrios Kyrtzidis [Thu, 10 Jul 2014 18:38:38 +0000 (18:38 +0000)]
[Driver/Unittests] Follow up for r212666, add unit test for the newly exposed getARMCPUForMArch() function.
llvm-svn: 212751
Matt Arsenault [Thu, 10 Jul 2014 18:21:04 +0000 (18:21 +0000)]
Revert "Revert r212640, "Add trunc (select c, a, b) -> select c (trunc a), (trunc b) combine.""
Don't try to convert the select condition type.
llvm-svn: 212750
Alexey Samsonov [Thu, 10 Jul 2014 18:17:51 +0000 (18:17 +0000)]
[TSan] Fix a bug in libcxx-tsan build conditions spotted by Ryuta Suzuki
llvm-svn: 212749
Andrea Di Biagio [Thu, 10 Jul 2014 18:04:55 +0000 (18:04 +0000)]
[DAG] Further improve the logic in DAGCombiner that folds a pair of shuffles into a single shuffle if the resulting mask is legal.
This patch teaches the DAGCombiner how to fold shuffles according to the
following new rules:
1. shuffle(shuffle(x, y), undef) -> x
2. shuffle(shuffle(x, y), undef) -> y
3. shuffle(shuffle(x, y), undef) -> shuffle(x, undef)
4. shuffle(shuffle(x, y), undef) -> shuffle(y, undef)
The backend avoids to combine shuffles according to rules 3. and 4. if
the resulting shuffle does not have a legal mask. This is to avoid introducing
illegal shuffles that are potentially expanded into a sub-optimal sequence of
target specific dag nodes during vector legalization.
Added test case combine-vec-shuffle-2.ll to verify that we correctly triggers
the new rules when combining shuffles.
llvm-svn: 212748
Akira Hatanaka [Thu, 10 Jul 2014 18:00:53 +0000 (18:00 +0000)]
[X86] Mark pseudo instruction TEST8ri_NOEREX as hasSIdeEffects=0.
Also, add a case clause in X86InstrInfo::shouldScheduleAdjacent to enable
macro-fusion.
<rdar://problem/
15680770>
llvm-svn: 212747
Eric Christopher [Thu, 10 Jul 2014 17:26:54 +0000 (17:26 +0000)]
Add the CSR company and the Kalimba DSP processor to Triple.
Patch by Matthew Gardiner with fixes by me.
llvm-svn: 212745
Eric Christopher [Thu, 10 Jul 2014 17:26:51 +0000 (17:26 +0000)]
Make it possible for the Subtarget to change between function
passes in the mips back end. This, unfortunately, required a
bit of churn in the various predicates to use a pointer rather
than a reference.
llvm-svn: 212744
Ulrich Weigand [Thu, 10 Jul 2014 17:20:07 +0000 (17:20 +0000)]
[PowerPC] ABI support for aligned by-value aggregates
This patch adds support for respecting the ABI and type alignment
of aggregates passed by value. Currently, all aggregates are aligned
at 8 bytes in the parameter save area. This is incorrect for two
reasons:
- Aggregates that need alignment of 16 bytes or more should be aligned
at 16 bytes in the parameter save area. This is implemented by
using an appropriate "byval align" attribute in the IR.
- Aggregates that need alignment beyond 16 bytes need to be dynamically
realigned by the caller. This is implemented by setting the Realign
flag of the ABIArgInfo::getIndirect call.
In addition, when expanding a va_arg call accessing a type that is
aligned at 16 bytes in the argument save area (either one of the
aggregate types as above, or a vector type which is already aligned
at 16 bytes), code needs to align the va_list pointer accordingly.
Reviewed by Hal Finkel.
llvm-svn: 212743
Duncan P. N. Exon Smith [Thu, 10 Jul 2014 17:13:27 +0000 (17:13 +0000)]
InstCombine: Fix a crash in Descale for multiply-by-zero
Fix a crash in `InstCombiner::Descale()` when a multiply-by-zero gets
created as an argument to a GEP partway through an iteration, causing
-instcombine to optimize the GEP before the multiply.
rdar://problem/
17615671
llvm-svn: 212742
Andy Gibbs [Thu, 10 Jul 2014 16:43:29 +0000 (16:43 +0000)]
Provide -verify support to match "any" line for diagnostics in included files.
Allow diagnostic checks that originate in included files to be matched without necessarily determining the line number that the diagnostic occurs on. The new syntax replaces the line number with '*'. This extension is limited to diagnostics in included files and may be used where the include file is not part of the test-suite itself.
Expected uses are for diagnostics originating in system headers, or for users who use -verify in testing 3rd-party library code where the location of diagnostics in header files may change from revision to revision and their precise location is not important to the success of the test-case.
llvm-svn: 212735
Ulrich Weigand [Thu, 10 Jul 2014 16:39:01 +0000 (16:39 +0000)]
[PowerPC] ABI support for non-Altivec vector types
This patch adds support for passing arguments of non-Altivec vector type
(i.e. defined via attribute ((vector_size (...)))) on powerpc64-linux.
While such types are not mentioned in the formal ABI document, this
patch implements a calling convention compatible with GCC:
- Vectors of size < 16 bytes are passed in a GPR
- Vectors of size > 16 bytes are passed via reference
Note that vector types with a number of elements that is not a power
of 2 are not supported by GCC, so there is no pre-existing ABI to
follow. We choose to pass those (of size < 16) as if widened to the
next power of two, so they might end up in a vector register or
in a GPR. (Sizes > 16 are always passed via reference as well.)
Reviewed by Hal Finkel.
llvm-svn: 212734
David Majnemer [Thu, 10 Jul 2014 16:26:19 +0000 (16:26 +0000)]
Fix clang tests to be compliant with LLVM IR aliases
Comdat IR references were mistakenly printed for aliases when they
passed through the IR/AsmWriter code.
This makes clang's tests not check for the existance of these wrongly
printed comdat references.
llvm-svn: 212733
David Majnemer [Thu, 10 Jul 2014 16:26:10 +0000 (16:26 +0000)]
IR: Aliases don't belong to an explicit comdat
Aliases inherit their comdat from their aliasee, they don't have an
explicit comdat.
This fixes PR20279.
llvm-svn: 212732
Jordan Rose [Thu, 10 Jul 2014 16:10:52 +0000 (16:10 +0000)]
[analyzer] Check for code testing a variable for 0 after using it as a denominator.
This new checker, alpha.core.TestAfterDivZero, catches issues like this:
int sum = ...
int avg = sum / count; // potential division by zero...
if (count == 0) { ... } // ...caught here
Because the analyzer does not necessarily explore /all/ paths through a program,
this check is restricted to only work on zero checks that immediately follow a
division operation (/ % /= %=). This could later be expanded to handle checks
dominated by a division operation but not necessarily in the same CFG block.
Patch by Anders Rönnholm! (with very minor modifications by me)
llvm-svn: 212731
Hal Finkel [Thu, 10 Jul 2014 16:07:11 +0000 (16:07 +0000)]
Feeding isSafeToSpeculativelyExecute its DataLayout pointer (in Sink)
This is the one remaining place I see where passing
isSafeToSpeculativelyExecute a DataLayout pointer might matter (at least for
loads) -- I think I got the others in r212720. Most of the other remaining
callers of isSafeToSpeculativelyExecute only use it for call sites (or
otherwise exclude loads).
llvm-svn: 212730
David Majnemer [Thu, 10 Jul 2014 16:04:04 +0000 (16:04 +0000)]
Mips: Silence a -Wcovered-switch-default
Remove a default label which covered no enumerators, replace it with a
llvm_unreachable.
No functionality changed.
llvm-svn: 212729
Zinovy Nis [Thu, 10 Jul 2014 15:42:35 +0000 (15:42 +0000)]
[Codestyle][x32] Cosmetic codestyle fix.
llvm-svn: 212728
Marshall Clow [Thu, 10 Jul 2014 15:38:20 +0000 (15:38 +0000)]
Support the built-in type-trait support in gcc 4.7 and later. Thanks to Albert Wong for the patch.
llvm-svn: 212727
Zoran Jovanovic [Thu, 10 Jul 2014 15:36:12 +0000 (15:36 +0000)]
[mips] Added FPXX modeless calling convention.
Differential Revision: http://reviews.llvm.org/D4293
llvm-svn: 212726
Zinovy Nis [Thu, 10 Jul 2014 15:27:19 +0000 (15:27 +0000)]
[x32] Adding X32 target support to driver, including TargetInfo,DescriptionString, flags, paths lookup, etc. Cover changes with new tests. The author of the patch is Pavel Chupin (@pavel.v.chupin).
The changes enable "hello world" on x32 target (x86_64-*-linux-gnux32). s/isX32/IsX32/ also fixed.
Differential Revision: http://reviews.llvm.org/D4180
llvm-svn: 212725
Marshall Clow [Thu, 10 Jul 2014 15:20:28 +0000 (15:20 +0000)]
Add support for BIONIC C library (Android). Patch from Dan Albert
llvm-svn: 212724
Marshall Clow [Thu, 10 Jul 2014 15:19:50 +0000 (15:19 +0000)]
Fix warning in test - missing exception specifier for overload of operator new
llvm-svn: 212723
Arnaud A. de Grandmaison [Thu, 10 Jul 2014 15:12:26 +0000 (15:12 +0000)]
[AArch64] Add logical alias instructions to MC AsmParser
This patch teaches the AsmParser to accept some logical+immediate
instructions and convert them as shown:
bic Rd, Rn, #imm -> and Rd, Rn, #~imm
bics Rd, Rn, #imm -> ands Rd, Rn, #~imm
orn Rd, Rn, #imm -> orr Rd, Rn, #~imm
eon Rd, Rn, #imm -> eor Rd, Rn, #~imm
Those instructions are an alternate syntax available to assembly coders,
and are needed in order to support code already compiling with some other
assemblers. For example, the bic construct is used by the linux kernel.
llvm-svn: 212722
Bruce Mitchener [Thu, 10 Jul 2014 14:45:57 +0000 (14:45 +0000)]
Reapply typo fix.
This was lost in the re-merging of command validation changes.
llvm-svn: 212721
Hal Finkel [Thu, 10 Jul 2014 14:41:31 +0000 (14:41 +0000)]
Feeding isSafeToSpeculativelyExecute its DataLayout pointer
isSafeToSpeculativelyExecute can optionally take a DataLayout pointer. In the
past, this was mainly used to make better decisions regarding divisions known
not to trap, and so was not all that important for users concerned with "cheap"
instructions. However, now it also helps look through bitcasts for
dereferencable loads, and will also be important if/when we add a
dereferencable pointer attribute.
This is some initial work to feed a DataLayout pointer through to callers of
isSafeToSpeculativelyExecute, generally where one was already available.
llvm-svn: 212720
Daniel Sanders [Thu, 10 Jul 2014 14:40:57 +0000 (14:40 +0000)]
[mips][mips64r6] Add support for mips-img-linux-gnu GCC toolchains
Summary:
* Support the multilib layout used by the mips-img-linux-gnu
* Recognize mips{,64}{,el}-img-linux-gnu as being aliases of mips-img-linux-gnu
* Use the correct dynamic linker for mips-img-linux-gnu
* Make mips32r6/mips64r6 the default CPU for mips-img-linux-gnu
Subscribers: mpf
Differential Revision: http://reviews.llvm.org/D4436
llvm-svn: 212719
Tim Northover [Thu, 10 Jul 2014 14:18:46 +0000 (14:18 +0000)]
AArch64: correctly fast-isel i8 & i16 multiplies
We were asking for a register for type i8 or i16 which caused an assert.
rdar://problem/
17620015
llvm-svn: 212718
Daniel Sanders [Thu, 10 Jul 2014 13:38:23 +0000 (13:38 +0000)]
[mips] Add support for -modd-spreg/-mno-odd-spreg
Summary:
When -mno-odd-spreg is in effect, 32-bit floating point values are not
permitted in odd FPU registers. The option also prohibits 32-bit and 64-bit
floating point comparison results from being written to odd registers.
This option has three purposes:
* It allows support for certain MIPS implementations such as loongson-3a that
do not allow the use of odd registers for single precision arithmetic.
* When using -mfpxx, -mno-odd-spreg is the default and this allows us to
statically check that code is compliant with the O32 FPXX ABI since mtc1/mfc1
instructions to/from odd registers are guaranteed not to appear for any
reason. Once this has been established, the user can then re-enable
-modd-spreg to regain the use of all 32 single-precision registers.
* When using -mfp64 and -mno-odd-spreg together, an O32 extension named
O32 FP64A is used as the ABI. This is intended to provide almost all
functionality of an FR=1 processor but can also be executed on a FR=0 core
with the assistance of a hardware compatibility mode which emulates FR=0
behaviour on an FR=1 processor.
* Added '.module oddspreg' and '.module nooddspreg' each of which update
the .MIPS.abiflags section appropriately
* Moved setFpABI() call inside emitDirectiveModuleFP() so that the caller
doesn't have to remember to do it.
* MipsABIFlags now calculates the flags1 and flags2 member on demand rather
than trying to maintain them in the same format they will be emitted in.
There is one portion of the -mfp64 and -mno-odd-spreg combination that is not
implemented yet. Moves to/from odd-numbered double-precision registers must not
use mtc1. I will fix this in a follow-up.
Differential Revision: http://reviews.llvm.org/D4383
llvm-svn: 212717
Zinovy Nis [Thu, 10 Jul 2014 13:03:26 +0000 (13:03 +0000)]
[x32] Add AsmBackend for X32 which uses ELF32 with x86_64 (the author is Pavel Chupin).
This is minimal change for backend required to have "hello world" compiled and working on x32 target (x86_64-linux-gnux32). More patches for x32 will follow.
Differential Revision: http://reviews.llvm.org/D4181
llvm-svn: 212716
Evgeniy Stepanov [Thu, 10 Jul 2014 12:45:56 +0000 (12:45 +0000)]
[msan] Fix performance issue in fast_memset.
Fast path was never triggered when called from __msan_poison.
llvm-svn: 212715
Chandler Carruth [Thu, 10 Jul 2014 12:32:32 +0000 (12:32 +0000)]
[x86,SDAG] Introduce any- and sign-extend-vector-inreg nodes analogous
to the zero-extend-vector-inreg node introduced previously for the same
purpose: manage the type legalization of widened extend operations,
especially to support the experimental widening mode for x86.
I'm adding both because sign-extend is expanded in terms of any-extend
with shifts to propagate the sign bit. This removes the last
fundamental scalarization from vec_cast2.ll (a test case that hit many
really bad edge cases for widening legalization), although the trunc
tests in that file still appear scalarized because the the shuffle
legalization is scalarizing. Funny thing, I've been working on that.
Some initial experiments with this and SSE2 scenarios is showing
moderately good behavior already for sign extension. Still some work to
do on the shuffle combining on X86 before we're generating optimal
sequences, but avoiding scalarization is a huge step forward.
llvm-svn: 212714
Tim Northover [Thu, 10 Jul 2014 11:46:13 +0000 (11:46 +0000)]
[mach-o]: support -Z option to skip standard library paths
llvm-svn: 212713
Tim Northover [Thu, 10 Jul 2014 11:46:08 +0000 (11:46 +0000)]
[mach-o]: support user-specified (-L) library search paths
llvm-svn: 212712
Richard Sandiford [Thu, 10 Jul 2014 11:44:37 +0000 (11:44 +0000)]
[SystemZ] Use SystemZCallingConv.td to define callee-saved registers
Just a clean-up. No behavioral change intended.
llvm-svn: 212711
NAKAMURA Takumi [Thu, 10 Jul 2014 11:39:59 +0000 (11:39 +0000)]
SpecialCaseList.h: Fix -Wdocumentation with \code.
llvm-svn: 212710
NAKAMURA Takumi [Thu, 10 Jul 2014 11:37:39 +0000 (11:37 +0000)]
llvm/test/CodeGen/X86/shift-parts.ll: FileCheck-ize. (from r212640)
llvm-svn: 212709
NAKAMURA Takumi [Thu, 10 Jul 2014 11:37:28 +0000 (11:37 +0000)]
Revert r212640, "Add trunc (select c, a, b) -> select c (trunc a), (trunc b) combine."
This caused miscompilation on, at least, x86-64. SExt(i1 cond) confused other optimizations.
llvm-svn: 212708
Richard Sandiford [Thu, 10 Jul 2014 11:29:23 +0000 (11:29 +0000)]
[SystemZ] Tweak instruction format classifications
There's no real need to have Shift as a separate format type from Binary.
The comments for other format types were too specific and in some cases
no longer accurate.
Just a clean-up, no behavioral change intended.
llvm-svn: 212707
Tim Northover [Thu, 10 Jul 2014 11:21:06 +0000 (11:21 +0000)]
[mach-o]: support -syslibroot and -l options
These behave slightly idiosyncratically in the best of cases, and have
additional hacks layered on top of that for compatibility with badly behaved
build systems (via ld64).
For -lXYZ:
+ If XYZ is actually XY.o then search all library paths for XY.o
+ Otherwise search all library paths, first for libXYZ.dylib, then libXYZ.a
+ By default the library paths are /usr/lib and /usr/local/lib in that order.
For -syslibroot:
+ -syslibroot options apply to absolute paths in the search order.
+ All -syslibroot prefixes that exist are added to the search path *instead*
of the original.
+ If no -syslibroot prefixed path exists, the original is kept.
+ Hacks^WExceptions:
+ If only 1 -syslibroot is given and doesn't contain /usr/lib or
/usr/local/lib, that path is dropped entirely. (rdar://problem/6438270).
+ If the last -syslibroot is "/", all of them are ignored entirely.
(rdar://problem/5829579).
At least, that's my best interpretation of what ld64 does in buildSearchPaths.
llvm-svn: 212706
Chandler Carruth [Thu, 10 Jul 2014 11:09:29 +0000 (11:09 +0000)]
[x86] Add another combine that is particularly useful for the new vector
shuffle lowering: match shuffle patterns equivalent to an unpcklwd or
unpckhwd instruction.
This allows us to use generic lowering code for v8i16 shuffles and match
the unpack pattern late.
llvm-svn: 212705
Evgeniy Stepanov [Thu, 10 Jul 2014 11:02:33 +0000 (11:02 +0000)]
[msan] Switch chained origins hash to murmur2.
llvm-svn: 212704
Richard Sandiford [Thu, 10 Jul 2014 11:00:55 +0000 (11:00 +0000)]
[SystemZ] Add MC support for LEDBRA, LEXBRA and LDXBRA
These instructions aren't used for codegen since the original L*DB instructions
are suitable for fround.
llvm-svn: 212703
Richard Sandiford [Thu, 10 Jul 2014 10:52:51 +0000 (10:52 +0000)]
[SystemZ] Avoid using i8 constants for immediate fields
Immediate fields that have no natural MVT type tended to use i8 if the
field was small enough. This was a bit confusing since i8 isn't a legal
type for the target. Fields for short immediates in a 32-bit or 64-bit
operation use i32 or i64 instead, so it would be better to do the same
for all fields.
No behavioral change intended.
llvm-svn: 212702
Richard Sandiford [Thu, 10 Jul 2014 10:45:11 +0000 (10:45 +0000)]
[SystemZ] Fix FPR dwarf numbering
The dwarf FPR numbers are supposed to have the order F0, F2, F4, F6,
F1, F3, F5, F7, F8, etc., which matches the pairing of registers for
long doubles. E.g. a long double stored in F0 is paired with F2.
llvm-svn: 212701
Daniel Sanders [Thu, 10 Jul 2014 10:39:51 +0000 (10:39 +0000)]
[mips] Add support for -modd-spreg/-mno-odd-spreg
Differential Revision: http://reviews.llvm.org/D4432
llvm-svn: 212700
Timur Iskhodzhanov [Thu, 10 Jul 2014 10:33:48 +0000 (10:33 +0000)]
[ASan/Win] Don't hardcode ASan runtime version in ASan dll thunk
Reviewed at http://reviews.llvm.org/D4459
llvm-svn: 212699
Jason Molenda [Thu, 10 Jul 2014 10:23:01 +0000 (10:23 +0000)]
Get the inferior binary's name via the command line argument instead
of hardcoding it.
llvm-svn: 212698
Daniel Sanders [Thu, 10 Jul 2014 10:18:12 +0000 (10:18 +0000)]
Make it possible for ints/floats to return different values from getBooleanContents()
Summary:
On MIPS32r6/MIPS64r6, floating point comparisons return 0 or -1 but integer
comparisons return 0 or 1.
Updated the various uses of getBooleanContents. Two simplifications had to be
disabled when float and int boolean contents differ:
- ScalarizeVecRes_VSELECT except when the kind of boolean contents is trivially
discoverable (i.e. when the condition of the VSELECT is a SETCC node).
- visitVSELECT (select C, 0, 1) -> (xor C, 1).
Come to think of it, this one could test for the common case of 'C'
being a SETCC too.
Preserved existing behaviour for all other targets and updated the affected
MIPS32r6/MIPS64r6 tests. This also fixes the pi benchmark where the 'low'
variable was counting in the wrong direction because it thought it could simply
add the result of the comparison.
Reviewers: hfinkel
Reviewed By: hfinkel
Subscribers: hfinkel, jholewinski, mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D4389
llvm-svn: 212697
Tim Northover [Thu, 10 Jul 2014 10:06:42 +0000 (10:06 +0000)]
MachO: add dummy armv6m architecture directory so clang_macho_embedded builds things.
Without some mention of armv6m in a subdirectory of builtins, the make code
doesn't even know that armv6m exists and is something it should be looking for
in the platform-specific Makefiles. This means that none of the functions
listed actually get built and we end up with an almost entirely empty
libclang_rt.a for armv6m.
Unfortunately, the assembly code in the usual arm directory has no hope of
running on armv6m, which only supports Thumb-1 (not even ARM mode), so adding
it there won't work. Realistically, we probably *will* want to put any
optimised versions in a separate directory, so creating it now is harmless.
rdar://problem/
17613576
llvm-svn: 212696
Chandler Carruth [Thu, 10 Jul 2014 09:57:36 +0000 (09:57 +0000)]
[x86] Expand the target DAG combining for PSHUFD nodes to be able to
combine into half-shuffles through unpack instructions that expand the
half to a whole vector without messing with the dword lanes.
This fixes some redundant instructions in splat-like lowerings for
v16i8, which are now getting to be *really* nice.
llvm-svn: 212695
Jason Molenda [Thu, 10 Jul 2014 09:55:19 +0000 (09:55 +0000)]
Fix test name.
llvm-svn: 212694
Viktor Kutuzov [Thu, 10 Jul 2014 09:16:58 +0000 (09:16 +0000)]
Make sanitizers' interceptors non-weak on FreeBSD
Differential Revision: http://reviews.llvm.org/D4418
llvm-svn: 212693
Chandler Carruth [Thu, 10 Jul 2014 09:16:40 +0000 (09:16 +0000)]
[x86] Tweak the v16i8 single input special case lowering for shuffles
that splat i8s into i16s.
Previously, we would try much too hard to arrange a sequence of i8s in
one half of the input such that we could unpack them into i16s and
shuffle those into place. This isn't always going to be a cheaper i8
shuffle than our other strategies. The case where it is always going to
be cheaper is when we can arrange all the necessary inputs into one half
using just i16 shuffles. It happens that viewing the problem this way
also makes it much easier to produce an efficient set of shuffles to
move the inputs into one half and then unpack them.
With this, our splat code gets one step closer to being not terrible
with the new experimental lowering strategy. It also exposes two
combines missing which I will add next.
llvm-svn: 212692
Viktor Kutuzov [Thu, 10 Jul 2014 09:11:15 +0000 (09:11 +0000)]
Only use fast stack unwinding for sanitizers failure reports on FreeBSD
Differential Revision: http://reviews.llvm.org/D4420
llvm-svn: 212691
Viktor Kutuzov [Thu, 10 Jul 2014 08:53:29 +0000 (08:53 +0000)]
Fix getting environment variables for sanitizers needs on FreeBSD
Differential Revision: http://reviews.llvm.org/D4229
llvm-svn: 212690
Viktor Kutuzov [Thu, 10 Jul 2014 08:43:39 +0000 (08:43 +0000)]
Add clang headers that fix machine-dependent definitions on FreeBSD 9.2
Differential Revision: http://reviews.llvm.org/D3908
llvm-svn: 212689
Hal Finkel [Thu, 10 Jul 2014 07:04:37 +0000 (07:04 +0000)]
A test case for not asserting in isDereferenceablePointer upon unsized types
This is the test case for r212687.
llvm-svn: 212688
Hal Finkel [Thu, 10 Jul 2014 06:06:11 +0000 (06:06 +0000)]
Fix isDereferenceablePointer not to try to take the size of an unsized type.
I'll add a test-case shortly.
llvm-svn: 212687
Hal Finkel [Thu, 10 Jul 2014 05:27:53 +0000 (05:27 +0000)]
Allow isDereferenceablePointer to look through some bitcasts
isDereferenceablePointer should not give up upon encountering any bitcast. If
we're casting from a pointer to a larger type to a pointer to a small type, we
can continue by examining the bitcast's operand. This missing capability
was noted in a comment in the function.
In order for this to work, isDereferenceablePointer now takes an optional
DataLayout pointer (essentially all callers already had such a pointer
available). Most code uses isDereferenceablePointer though
isSafeToSpeculativelyExecute (which already took an optional DataLayout
pointer), and to enable the LICM test case, LICM needs to actually provide its DL
pointer to isSafeToSpeculativelyExecute (which it was not doing previously).
llvm-svn: 212686
Todd Fiala [Thu, 10 Jul 2014 05:25:39 +0000 (05:25 +0000)]
Fix a type mismatch in NativeProcessLinux that shows up in 32-bit builds.
http://llvm.org/bugs/show_bug.cgi?id=20255
llvm-svn: 212685
Saleem Abdulrasool [Thu, 10 Jul 2014 04:50:09 +0000 (04:50 +0000)]
MC: modernise for loop
Convert a for loop to range bsaed form. NFC.
llvm-svn: 212684
Saleem Abdulrasool [Thu, 10 Jul 2014 04:50:06 +0000 (04:50 +0000)]
MC: add and use an accessor for WinCFI
This adds a utility method to access the WinCFI information in bulk and uses
that to iterate rather than requesting the count and individually iterating
them. This is in preparation for restructuring WinCFI handling to enable more
clear sharing across architectures to enable unwind information emission for
Windows on ARM.
llvm-svn: 212683
Peter Collingbourne [Thu, 10 Jul 2014 04:39:40 +0000 (04:39 +0000)]
Remove move assignment operator to appease older GCCs.
llvm-svn: 212682
Todd Fiala [Thu, 10 Jul 2014 04:39:13 +0000 (04:39 +0000)]
Fixes for broken Debian build - g++ 4.7 support.
These fix the broken debian lldb build, which is using g++ 4.7.2.
TypeFormat changes:
1. stopped using the C++11 "dtor = default;" construct.
The generated default destructor in the two derived classes wanted
them to have a different throws() semantic that was causing 4.7 to
fail to generate it. I switched these to empty destructors defined
in the .cpp file.
2. Switched the m_types map from an ordered map to an unordered_map.
g++ 4.7's c++ library supports the C++11 emplace() used by TypeFormat
but the same c++ library's map impl does not. Since TypeFormat didn't
look like it depended on ordering in the map, I just switched it to
a std::unordered_map.
NativeProcessLinux - g++ 4.7 chokes on lexing the "<::" in
static_cast<::pid_t>(wpid). g++ 4.8+ and clang are fine with it.
I just put a space in between the "<" and the "::" and that cleared
it up.
llvm-svn: 212681
Chandler Carruth [Thu, 10 Jul 2014 04:34:06 +0000 (04:34 +0000)]
[x86] Initial improvements to the new shuffle lowering for v16i8
shuffles specifically for cases where a small subset of the elements in
the input vector are actually used.
This is specifically targetted at improving the shuffles generated for
trunc operations, but also helps out splat-like operations.
There is still some really low-hanging fruit here that I want to address
but this is a huge step in the right direction.
llvm-svn: 212680
Peter Collingbourne [Thu, 10 Jul 2014 04:29:06 +0000 (04:29 +0000)]
Explicitly define move constructor and move assignment operator to appease MSVC.
llvm-svn: 212679
Peter Collingbourne [Thu, 10 Jul 2014 03:55:02 +0000 (03:55 +0000)]
SpecialCaseList: use std::unique_ptr.
llvm-svn: 212678
Hao Liu [Thu, 10 Jul 2014 03:41:50 +0000 (03:41 +0000)]
[AArch64]Fix an assertion failure in DAG Combiner about concating 2 build_vector.
llvm-svn: 212677
Matt Arsenault [Thu, 10 Jul 2014 03:22:20 +0000 (03:22 +0000)]
R600/SI: Add support for llvm.convert.{to|from}.fp16
llvm-svn: 212676
Matt Arsenault [Thu, 10 Jul 2014 03:22:16 +0000 (03:22 +0000)]
Fix types in documentation.
The examples were using f32, but the IR type is called float
llvm-svn: 212675
Chandler Carruth [Thu, 10 Jul 2014 02:24:26 +0000 (02:24 +0000)]
[x86] Refactor some of the new code for lowering v16i8 shuffles to
remove duplication and make it easier to select different strategies.
No functionality changed.
llvm-svn: 212674
Jason Molenda [Thu, 10 Jul 2014 02:21:16 +0000 (02:21 +0000)]
Add a new 'stresstest' category, set the api/multiple-debuggers test case as a stresstest.
llvm-svn: 212673
Dan Albert [Thu, 10 Jul 2014 02:20:11 +0000 (02:20 +0000)]
Add lit configs for libcxxabi tests.
This makes running libcxxabi tests on Linux _much_ easier.
Adds a check-libcxxabi target to cmake.
Also defaults to building a dynamic libc++abi. This is so that the
default options still test the libc++abi that is being built. There are
two problems with testing a static libc++abi. In the case of a
standalone build, the tests will link the system's libc++, which might
not have been built against our libc++abi. In the case of an in tree
build, libc++ will prefer a dynamic libc++abi from the system over a
static libc++abi from the output directory.
llvm-svn: 212672
Jason Molenda [Thu, 10 Jul 2014 02:17:31 +0000 (02:17 +0000)]
Add a new test in api/multiple-debuggers which tries to create 50
debug sessions simultaneously to expose race conditoin/locking
issues.
This directory has an inferior program, testprog.cpp that has a
couple of functions we can put breakpoints on.
It has a driver program, multi-process-driver.cpp, which links
against the LLDB solib and uses the SB APIs. It creates 50 pthreads,
creates a debugger on all of them, launches a debug session of the
inferior testprog, hits a couple breakpoints, walks the stack,
continues, etc., and then kills the inferior and ends the debug
session.
A pass is if all fifty debug sessions complete successfully
in the alloted time (~60 seconds).
We may need to tweak this one to work correctly on different
platforms/targets but I wanted to get it checked in to start.
llvm-svn: 212671
Alp Toker [Thu, 10 Jul 2014 02:13:29 +0000 (02:13 +0000)]
Prevent link warnings due to -Wframe-larger-than=
Although this is nominally a -W option, we actually handle it in the driver
exactly as an f-group flag that's translated directly to -mllvm.
That means f_Group (and unintuitively, not W_Group) has the semantics we want
to make it behave like a standard warning flag: no automatic forwarding, no
warning for link invocations and compile-only.
Silences diagnostics like:
[691/1545] Linking CXX executable bin/llvm-diff
clang-3.5: warning: argument unused during compilation: '-Wframe-larger-than=2048'
(Hopefully we can move towards handling these in the frontend but that'll
require some infrastructure work.)
llvm-svn: 212670
Reid Kleckner [Thu, 10 Jul 2014 01:58:55 +0000 (01:58 +0000)]
MS ABI: Fix __fastcall methods that return structs
The sret paramater consumes the register after the implicit 'this'
parameter, as with other calling conventions.
Fixes PR20278, which turned out to be very easy.
llvm-svn: 212669