NAKAMURA Takumi [Fri, 16 Oct 2015 09:40:01 +0000 (09:40 +0000)]
SupportTests::HomeDirectory: Don't try tests when $HOME is undefined.
Lit sanitizes env vars. $HOME is not exported in Lit tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250505
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NAKAMURA Takumi [Fri, 16 Oct 2015 09:38:49 +0000 (09:38 +0000)]
Reformat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250504
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Pawel Bylica [Fri, 16 Oct 2015 09:08:59 +0000 (09:08 +0000)]
Use Windows Vista API to get the user's home directory
Summary: This patch replaces usage of deprecated SHGetFolderPathW with SHGetKnownFolderPath. The usage of SHGetKnownFolderPath is wrapped to allow queries for other "known" folders in the near future.
Reviewers: aaron.ballman, gbedwell
Subscribers: chapuni, llvm-commits
Differential Revision: http://reviews.llvm.org/D13753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250501
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Craig Topper [Fri, 16 Oct 2015 06:03:09 +0000 (06:03 +0000)]
[X86] Add fxsr feature flag for fxsave/fxrestore instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250497
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Dylan McKay [Fri, 16 Oct 2015 03:10:30 +0000 (03:10 +0000)]
Initial migration of AVR backend
This patch adds the underlying infrastructure for an AVR backend to be included into LLVM. It is the first of a series of patches aimed at moving the out-of-tree AVR backend into the tree.
It consists of adding a new`Triple` target 'avr'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250492
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Sanjoy Das [Fri, 16 Oct 2015 02:41:23 +0000 (02:41 +0000)]
[RS4GC] Dont' propagate call attrs related to patchable statepoints
The `"statepoint-id"` and `"statepoint-num-patch-bytes"` attributes are
used solely to determine properties of the `gc.statepoint` being
created. Once the `gc.statepoint` is in place, these should be removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250491
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Sanjoy Das [Fri, 16 Oct 2015 02:41:11 +0000 (02:41 +0000)]
[RS4GC] Bring legalizeCallAttributes up to LLVM coding style; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250490
91177308-0d34-0410-b5e6-
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Sanjoy Das [Fri, 16 Oct 2015 02:41:00 +0000 (02:41 +0000)]
[RS4GC] Use "deopt" operand bundles
Summary:
This is a step towards using operand bundles to carry deopt state till
RewriteStatepointsForGC. The change adds a flag to
RewriteStatepointsForGC that teaches it to pick up deopt state from a
`"deopt"` operand bundle attached to the `call` or `invoke` it is
wrapping.
The command line flag added, `-rs4gc-use-deopt-bundles`, will only exist
for a short while. Once we are able to pipe deopt bundle state through
the full optimization pipeline without problems, we will "constant fold"
`-rs4gc-use-deopt-bundles` to `true`.
Reviewers: swaroop.sridhar, reames
Subscribers: llvm-commits, sanjoy
Differential Revision: http://reviews.llvm.org/D13372
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250489
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Sanjoy Das [Fri, 16 Oct 2015 01:00:50 +0000 (01:00 +0000)]
[IndVars] Rename getExtend; NFC
Rename `IndVarSimplify::getExtend` to `IndVarSimplify::createExtendInst`
to make it obvious that it creates `llvm::Instruction` s.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250484
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Sanjoy Das [Fri, 16 Oct 2015 01:00:47 +0000 (01:00 +0000)]
[IndVars] Have `cloneArithmeticIVUser` guess better
Summary:
`cloneArithmeticIVUser` currently trips over expression like `add %iv,
-1` when `%iv` is being zero extended -- it tries to construct the
widened use as `add %iv.zext, zext(-1)` and (correctly) fails to prove
equivalence to `zext(add %iv, -1)` (here the SCEV for `%iv` is
`{1,+,1}`).
This change teaches `IndVars` to try sign extending the non-IV operand
if that makes the newly constructed IV use equivalent to the widened
narrow IV use.
Reviewers: atrick, hfinkel, reames
Subscribers: sanjoy, llvm-commits
Differential Revision: http://reviews.llvm.org/D13717
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250483
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Sanjoy Das [Fri, 16 Oct 2015 01:00:44 +0000 (01:00 +0000)]
[IndVars] Extract out a few local variables; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250482
91177308-0d34-0410-b5e6-
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Sanjoy Das [Fri, 16 Oct 2015 01:00:39 +0000 (01:00 +0000)]
[IndVars] Split `WidenIV::cloneIVUser`; NFC
Summary:
This NFC splitting is intended to make a later diff easier to follow.
It just tail duplicates `cloneIVUser` into `cloneArithmeticIVUser` and
`cloneBitwiseIVUser`.
Reviewers: atrick, hfinkel, reames
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13716
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250481
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JF Bastien [Fri, 16 Oct 2015 00:53:49 +0000 (00:53 +0000)]
WebAssembly: update syntax
Summary:
Follow the same syntax as for the spec repo. Both have evolved slightly
independently and need to converge again.
This, along with wasmate changes, allows me to do the following:
echo "int add(int a, int b) { return a + b; }" > add.c
./out/bin/clang -O2 -S --target=wasm32-unknown-unknown add.c -o add.wack
./experimental/prototype-wasmate/wasmate.py add.wack > add.wast
./sexpr-wasm-prototype/out/sexpr-wasm add.wast -o add.wasm
./sexpr-wasm-prototype/third_party/v8-native-prototype/v8/v8/out/Release/d8 -e "print(WASM.instantiateModule(readbuffer('add.wasm'), {print:print}).add(42, 1337));"
As you'd expect, the d8 shell prints out the right value.
Reviewers: sunfish
Subscribers: jfb, llvm-commits, dschuff
Differential Revision: http://reviews.llvm.org/D13712
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250480
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Lang Hames [Fri, 16 Oct 2015 00:44:01 +0000 (00:44 +0000)]
Add emacs c++ mode hint.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250479
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Davide Italiano [Thu, 15 Oct 2015 22:04:55 +0000 (22:04 +0000)]
[llvm-readobj/ELF] Dump DT_VERDEF/DT_VERDEFNUM correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250464
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Evgeniy Stepanov [Thu, 15 Oct 2015 21:26:49 +0000 (21:26 +0000)]
Revert "[safestack] Fast access to the unsafe stack pointer on AArch64/Android."
Breaks the hexagon buildbot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250461
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Adrian Prantl [Thu, 15 Oct 2015 20:58:55 +0000 (20:58 +0000)]
Replace a forward declaration with an #include.
When building with modules the forward-declared inner class
DebugLocStream::ListBuilder causes clang to fall over.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250459
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Evgeniy Stepanov [Thu, 15 Oct 2015 20:50:16 +0000 (20:50 +0000)]
[safestack] Fast access to the unsafe stack pointer on AArch64/Android.
Android libc provides a fixed TLS slot for the unsafe stack pointer,
and this change implements direct access to that slot on AArch64 via
__builtin_thread_pointer() + offset.
This change also moves more code into TargetLowering and its
target-specific subclasses to get rid of target-specific codegen
in SafeStackPass.
This change does not touch the ARM backend because ARM lowers
builting_thread_pointer as aeabi_read_tp, which is not available
on Android.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250456
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Chris Bieneman [Thu, 15 Oct 2015 20:12:08 +0000 (20:12 +0000)]
[CMake] Adding LLVM_CREATE_XCODE_TOOLCHAIN to the CMake documentation page.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250451
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Chris Bieneman [Thu, 15 Oct 2015 20:09:01 +0000 (20:09 +0000)]
[CMake] [Darwin] Add support for generating Xcode-compatible toolchains that xcodebuild and xcrun can search
Summary:
Sometimes you want to install a custom compiler and use it like the system compiler without overriding the system compiler. This patch lets you create xctoolchains that the darwin command line tools can use.
To use this patch set LLVM_CREATE_XCODE_TOOLCHAIN=On in your CMake invocation and build the `install-code-toolchain` target.
After installation you can set the envar EXTERNAL_TOOLCHAINS_DIR to your installed Toolchains directory, and the TOOLCHAINS envar to the toolchain identifier (ex org.llvm.3.8.0svn). This will then cause /usr/bin/clang to call your newly installed clang.
Reviewers: Bigcheese, bogner
Subscribers: tobiasfar, llvm-commits
Differential Revision: http://reviews.llvm.org/D13605
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250450
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Adrian Prantl [Thu, 15 Oct 2015 19:41:54 +0000 (19:41 +0000)]
Add a missing include of cstddef needed for size_t.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250446
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JF Bastien [Thu, 15 Oct 2015 18:24:52 +0000 (18:24 +0000)]
x86: preserve flags when folding atomic operations
D4796 taught LLVM to fold some atomic integer operations into a single
instruction. The pattern was unaware that the instructions clobbered
flags. I fixed some of this issue in D13680 but had missed INC/DEC.
This patch adds the missing EFLAGS definition.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250438
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Justin Bogner [Thu, 15 Oct 2015 18:17:44 +0000 (18:17 +0000)]
docs: Stop using DEBUG() without DEBUG_TYPE in the ProgrammersManual
The DEBUG() macro has required that a DEBUG_TYPE be set since r206822.
Update the programmers manual to reflect that, and also update the
wording to point out that DEBUG_TYPE should be defined after #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250436
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Benjamin Kramer [Thu, 15 Oct 2015 17:54:06 +0000 (17:54 +0000)]
[SelectionDAG] Remove dead code. NFC.
Carefully selected parts without deleting graph stuff and dumping methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250434
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Benjamin Kramer [Thu, 15 Oct 2015 17:16:32 +0000 (17:16 +0000)]
[AsmPrinter] Prune dead code. NFC.
I left all (dead) print and dump methods in place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250433
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Kevin B. Smith [Thu, 15 Oct 2015 17:05:12 +0000 (17:05 +0000)]
Change test to use FileCheck rather than grep.
Differential Revision: http://reviews.llvm.org/D13751
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250431
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Philip Reames [Thu, 15 Oct 2015 16:51:00 +0000 (16:51 +0000)]
Revert 250343 and 250344
Turns out this approach is buggy. In discussion about follow on work, Sanjoy pointed out that we could be subject to circular logic problems.
Consider:
if (i u< L) leave()
if ((i + 1) u< L) leave()
print(a[i] + a[i+1])
If we know that L is less than UINT_MAX, we could possible prove (in a control dependent way) that i + 1 does not overflow. This gives us:
if (i u< L) leave()
if ((i +nuw 1) u< L) leave()
print(a[i] + a[i+1])
If we now do the transform this patch proposed, we end up with:
if ((i +nuw 1) u< L) leave_appropriately()
print(a[i] + a[i+1])
That would be a miscompile when i==-1. The problem here is that the control dependent nuw bits got used to prove something about the first condition. That's obviously invalid.
This won't happen today, but since I plan to enhance LVI/CVP with exactly that transform at some point in the not too distant future...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250430
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JF Bastien [Thu, 15 Oct 2015 16:46:29 +0000 (16:46 +0000)]
x86 FP atomic codegen: don't drop globals, stack
Summary:
x86 codegen is clever about generating good code for relaxed
floating-point operations, but it was being silly when globals and
immediates were involved, forgetting where the global was and
loading/storing from/to the wrong place. The same applied to hard-coded
address immediates.
Don't let it forget about the displacement.
This fixes https://llvm.org/bugs/show_bug.cgi?id=25171
A very similar bug when doing floating-points atomics to the stack is
also fixed by this patch.
This fixes https://llvm.org/bugs/show_bug.cgi?id=25144
Reviewers: pete
Subscribers: llvm-commits, majnemer, rsmith
Differential Revision: http://reviews.llvm.org/D13749
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250429
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Diego Novillo [Thu, 15 Oct 2015 16:36:21 +0000 (16:36 +0000)]
Sample Profiles - Adjust integer types. Mostly NFC.
This adjusts all integers in the reader/writer to reflect the types
stored on profile files. They should all be unsigned 32-bit or 64-bit
values. Changed all associated internal types to be uint32_t or
uint64_t.
The only place that needed some adjustments is in the sample profile
transformation. Altough the weight read from the profile are 64-bit
values, the internal API for branch weights only accepts 32-bit values.
The pass now saturates weights that overflow uint32_t.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250427
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Tim Northover [Thu, 15 Oct 2015 16:18:27 +0000 (16:18 +0000)]
Prevent assertion with "llc -debug" and anonymous symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250425
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NAKAMURA Takumi [Thu, 15 Oct 2015 15:37:13 +0000 (15:37 +0000)]
Lit: Rework r249161; Move RLIMIT_NPROC to main.py.
The message "raised the process limit..." prevented the progress bar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250420
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Benjamin Kramer [Thu, 15 Oct 2015 15:08:58 +0000 (15:08 +0000)]
[ScalarOpts] Remove dead code.
Does not touch debug dumpers. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250417
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Manman Ren [Thu, 15 Oct 2015 14:59:40 +0000 (14:59 +0000)]
Recommit r250345, it was reverted in r250366 to investigate a bot failure.
Our internal bot is still red after r250366.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250415
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Daniel Sanders [Thu, 15 Oct 2015 14:52:58 +0000 (14:52 +0000)]
[mips][ias] Implement ulh macro.
Summary:
This macro is needed to prevent test/CodeGen/Mips/2008-08-01-AsmInline.ll from
failing after the integrated assembler is enabled by default.
Reviewers: vkalintiris
Subscribers: llvm-commits, dsanders
Differential Revision: http://reviews.llvm.org/D13654
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250414
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Pawel Bylica [Thu, 15 Oct 2015 14:50:31 +0000 (14:50 +0000)]
Require Windows API of version 6.1 (Windows 7).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250413
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Benjamin Kramer [Thu, 15 Oct 2015 14:45:41 +0000 (14:45 +0000)]
[NVPTX] Remove dead code.
I left helpers that look useful for debugging alone. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250410
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Daniel Sanders [Thu, 15 Oct 2015 14:34:23 +0000 (14:34 +0000)]
[mips][mips16] MIPS16 is not a CPU/Architecture but is an ASE.
Summary:
The -mcpu=mips16 option caused the Integrated Assembler to crash because
it couldn't figure out the architecture revision number to write to the
.MIPS.abiflags section. This CPU definition has been removed because, like
microMIPS, MIPS16 is an ASE to a base architecture.
Reviewers: vkalintiris
Subscribers: rkotler, llvm-commits, dsanders
Differential Revision: http://reviews.llvm.org/D13656
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250407
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Benjamin Kramer [Thu, 15 Oct 2015 14:09:59 +0000 (14:09 +0000)]
[X86] Rip out orphaned method declarations and other dead code. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250406
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Benjamin Kramer [Thu, 15 Oct 2015 13:56:02 +0000 (13:56 +0000)]
[DebugInfo] Remove dead forwarding accessors. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250405
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Aaron Ballman [Thu, 15 Oct 2015 13:55:43 +0000 (13:55 +0000)]
Silencing a -Wtype-limits warning; an unsigned value will always be >= 0; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250404
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Igor Breger [Thu, 15 Oct 2015 13:29:07 +0000 (13:29 +0000)]
AVX512: Implemented DAG lowering for shuff62x2/shufi62x2 instructions ( shuffle packed values at 128-bit granularity )
Differential Revision: http://reviews.llvm.org/D13648
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250400
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NAKAMURA Takumi [Thu, 15 Oct 2015 13:22:38 +0000 (13:22 +0000)]
[CMake] check-llvm requires llvm-pdbdump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250399
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Igor Breger [Thu, 15 Oct 2015 12:33:24 +0000 (12:33 +0000)]
AVX512: Implemented encoding and intrinsics for vpternlogd/q.
Differential Revision: http://reviews.llvm.org/D13768
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250396
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Elena Demikhovsky [Thu, 15 Oct 2015 11:35:33 +0000 (11:35 +0000)]
AVX-512: Fixed a bug in shuffle lowering 32-bit mode
AVX-512 bit shuffle fails on 32 bit since we create a vector of 64-bit constants.
I split 8x64-bit const vector to 16x32 on 32-bit mode.
Differential Revision: http://reviews.llvm.org/D13644
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250390
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Andrea Di Biagio [Thu, 15 Oct 2015 09:54:25 +0000 (09:54 +0000)]
[x86] Merge test pr24562.ll into x86-fold-pshufb.ll. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250387
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Benjamin Kramer [Thu, 15 Oct 2015 09:38:45 +0000 (09:38 +0000)]
Make windows.h less evil.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250386
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Benjamin Kramer [Thu, 15 Oct 2015 09:32:54 +0000 (09:32 +0000)]
[llvm-pdbdump] Remove oddly placed parens that MSVC doesn't like
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250385
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Artyom Skrobov [Thu, 15 Oct 2015 09:18:47 +0000 (09:18 +0000)]
Don't pretend AMDGPU backend knows how to custom-lower UDIVREM for vector types; it can't
Reviewers: arsenm, jvesely, tstellarAMD
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D13734
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250384
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David Majnemer [Thu, 15 Oct 2015 09:17:15 +0000 (09:17 +0000)]
Speculatively unbreak Windows build
<windows.h> defines macros named min and max in conflict with
<algorithm>. Prevent macro expansion by wrapping std::min in
parenthesis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250383
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Zlatko Buljan [Thu, 15 Oct 2015 08:59:45 +0000 (08:59 +0000)]
[mips][microMIPS] Implement DPA.W.PH, DPAQ_S.W.PH, DPAQ_SA.L.W, DPAQX_S.W.PH, DPAQX_SA.W.PH, DPAU.H.QBL, DPAU.H.QBR and DPAX.W.PH instructions
Differential Revision: http://reviews.llvm.org/D13376
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250382
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Hrvoje Varga [Thu, 15 Oct 2015 08:39:07 +0000 (08:39 +0000)]
[mips][microMIPS] Implement BREAK16, LI16, MOVE16, SDBBP16, SUBU16 and XOR16 instructions
Differential Revision: http://reviews.llvm.org/D11292#inline-103143
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250381
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Hrvoje Varga [Thu, 15 Oct 2015 08:11:50 +0000 (08:11 +0000)]
[mips][microMIPS] Implement LLE and SCE instructions
Differential Revision: http://reviews.llvm.org/D11630
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250379
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Hrvoje Varga [Thu, 15 Oct 2015 07:23:06 +0000 (07:23 +0000)]
[mips][microMIPS] Implement LWLE, LWRE, SWLE and SWRE instructions
Differential Revision: http://reviews.llvm.org/D11631
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250377
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Lang Hames [Thu, 15 Oct 2015 07:16:40 +0000 (07:16 +0000)]
[RuntimeDyld] Drop the '.s' suffix off the COFF test case - the MIPS bot started
failing when the suffix was added.
I assume the lack of a '.s' suffix means that the test case just wasn't running
before, and it has never worked on MIPS. I'll investigate that tomorrow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250376
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 15 Oct 2015 07:01:16 +0000 (07:01 +0000)]
Update for llvm API change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250375
91177308-0d34-0410-b5e6-
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Eric Christopher [Thu, 15 Oct 2015 06:56:10 +0000 (06:56 +0000)]
Remove DIFile from createSubroutineType.
Patch by Amaury Sechet with a small modification by me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250374
91177308-0d34-0410-b5e6-
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Lang Hames [Thu, 15 Oct 2015 06:41:45 +0000 (06:41 +0000)]
[RuntimeDyld] Don't try to get the contents of sections that don't have any
(e.g. bss sections).
MachO and ELF have been silently letting this pass, but COFFObjectFile contains
an assertion to catch this kind of (ab)use of the getSectionContents, and this
was causing the JIT to crash on COFF objects with BSS sections. This patch
should fix that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250371
91177308-0d34-0410-b5e6-
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Akira Hatanaka [Thu, 15 Oct 2015 05:28:38 +0000 (05:28 +0000)]
[MachO] Stop generating *coal* sections.
Recommit r250342: move coal-sections-powerpc.s to subdirectory for powerpc.
Some background on why we don't have to use *coal* sections anymore:
Long ago when C++ was new and "weak" had not been standardized, an attempt was
made in cctools to support C++ inlines that can be coalesced by putting them
into their own section (TEXT/textcoal_nt instead of TEXT/text).
The current macho linker supports the weak-def bit on any symbol to allow it to
be coalesced, but the compiler still puts weak-def functions/data into alternate
section names, which the linker must map back to the base section name.
This patch makes changes that are necessary to prevent the compiler from using
the "coal" sections and have it use the non-coal sections instead when the
target architecture is not powerpc:
TEXT/textcoal_nt instead use TEXT/text
TEXT/const_coal instead use TEXT/const
DATA/datacoal_nt instead use DATA/data
If the target is powerpc, we continue to use the *coal* sections since anyone
targeting powerpc is probably using an old linker that doesn't have support for
the weak-def bits.
Also, have the assembler issue a warning if it encounters a *coal* section in
the assembly file and inform the users to use the non-coal sections instead.
rdar://problem/
14265330
Differential Revision: http://reviews.llvm.org/D13188
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250370
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Hrvoje Varga [Thu, 15 Oct 2015 05:20:51 +0000 (05:20 +0000)]
Test commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250367
91177308-0d34-0410-b5e6-
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Manman Ren [Thu, 15 Oct 2015 04:58:24 +0000 (04:58 +0000)]
Temporarily revert r250345 to sort out bot failure.
With r250345 and r250343, we start to observe the following failure
when bootstrap clang with lto and pgo:
PHI node entries do not match predecessors!
%.sroa.029.3.i = phi %"class.llvm::SDNode.13298"* [ null, %30953 ], [ null, %31017 ], [ null, %30998 ], [ null, %_ZN4llvm8dyn_castINS_14ConstantSDNodeENS_7SDValueEEENS_10cast_rettyIT_T0_E8ret_typeERS5_.exit.i.1804 ], [ null, %30975 ], [ null, %30991 ], [ null, %_ZNK4llvm3EVT13getScalarTypeEv.exit.i.1812 ], [ %..sroa.029.0.i, %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit.i.1826 ], !dbg !451895
label %30998
label %_ZNK4llvm3EVTeqES0_.exit19.thread.i
LLVM ERROR: Broken function found, compilation aborted!
I will re-commit this if the bot does not recover.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250366
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Craig Topper [Thu, 15 Oct 2015 03:56:54 +0000 (03:56 +0000)]
Add XSAVE/XSAVEOPT to KNL processor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250362
91177308-0d34-0410-b5e6-
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David Majnemer [Thu, 15 Oct 2015 01:39:00 +0000 (01:39 +0000)]
s/NumFiles/NumStreams/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250357
91177308-0d34-0410-b5e6-
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David Majnemer [Thu, 15 Oct 2015 01:27:19 +0000 (01:27 +0000)]
[llvm-pdbdump] Provide a mechanism to dump the raw contents of a PDB
A PDB can be thought of as a very simple file system. It is
occasionally illuminating to see the contents of the underlying files.
Differential Revision: http://reviews.llvm.org/D13674
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250356
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Richard Smith [Thu, 15 Oct 2015 01:15:26 +0000 (01:15 +0000)]
Fix -Wmismatched-tags error in modules build by removing unused forward declaration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250355
91177308-0d34-0410-b5e6-
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Davide Italiano [Thu, 15 Oct 2015 01:12:01 +0000 (01:12 +0000)]
[bugpoint] llvm-gcc doesn't exist anymore ...
... so this comment is stale. Remove it. Range-loopify while here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250354
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Quentin Colombet [Thu, 15 Oct 2015 00:41:26 +0000 (00:41 +0000)]
[ARM] Make sure we do not dereference the end iterator when accessing debug
information.
Although the problem was always here, it would only be exposed when
shrink-wrapping is enable.
rdar://problem/
23110493
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250352
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Akira Hatanaka [Thu, 15 Oct 2015 00:11:03 +0000 (00:11 +0000)]
Revert r250349.
Test case coal-sections-powerpc.s is still failing on some buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250351
91177308-0d34-0410-b5e6-
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Davide Italiano [Thu, 15 Oct 2015 00:05:32 +0000 (00:05 +0000)]
[JIT] TrivialMemoryManager: Fail if we can't allocate memory.
TrivialMemoryManager currently doesn't check the return type of AllocateRWX --
and returns a 'null' MemoryBlock to its caller. As pointed out by Lang,
this exposes some serious issues with the MemoryManager interface. There's,
in fact, no way to report back an error to clients rather than aborting in
case memory can't be allocated. Eventually the interface will grow to support
this, but for now, fail sooner rather than later.
Differential Revision: http://reviews.llvm.org/D13627
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250350
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Akira Hatanaka [Wed, 14 Oct 2015 23:48:10 +0000 (23:48 +0000)]
[MachO] Stop generating *coal* sections.
Recommit r250342: add -arch=ppc32 to the RUN lines of powerpc tests.
Some background on why we don't have to use *coal* sections anymore:
Long ago when C++ was new and "weak" had not been standardized, an attempt was
made in cctools to support C++ inlines that can be coalesced by putting them
into their own section (TEXT/textcoal_nt instead of TEXT/text).
The current macho linker supports the weak-def bit on any symbol to allow it to
be coalesced, but the compiler still puts weak-def functions/data into alternate
section names, which the linker must map back to the base section name.
This patch makes changes that are necessary to prevent the compiler from using
the "coal" sections and have it use the non-coal sections instead when the
target architecture is not powerpc:
TEXT/textcoal_nt instead use TEXT/text
TEXT/const_coal instead use TEXT/const
DATA/datacoal_nt instead use DATA/data
If the target is powerpc, we continue to use the *coal* sections since anyone
targeting powerpc is probably using an old linker that doesn't have support for
the weak-def bits.
Also, have the assembler issue a warning if it encounters a *coal* section in
the assembly file and inform the users to use the non-coal sections instead.
rdar://problem/
14265330
Differential Revision: http://reviews.llvm.org/D13188
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250349
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Akira Hatanaka [Wed, 14 Oct 2015 23:29:10 +0000 (23:29 +0000)]
Revert r250342.
Investigate why coal-sections-powerpc.s is failing on some buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250346
91177308-0d34-0410-b5e6-
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Cong Hou [Wed, 14 Oct 2015 23:14:17 +0000 (23:14 +0000)]
Update the branch weight metadata in JumpThreading pass.
Currently in JumpThreading pass, the branch weight metadata is not updated after CFG modification. Consider the jump threading on PredBB, BB, and SuccBB. After jump threading, the weight on BB->SuccBB should be adjusted as some of it is contributed by the edge PredBB->BB, which doesn't exist anymore. This patch tries to update the edge weight in metadata on BB->SuccBB by scaling it by 1 - Freq(PredBB->BB) / Freq(BB->SuccBB).
This is the third attempt to submit this patch, while the first two led to failures in some FDO tests. After investigation, it is the edge weight normalization that caused those failures. In this patch the edge weight normalization is fixed so that there is no zero weight in the output and the sum of all weights can fit in 32-bit integer. Several unit tests are added.
Differential revision: http://reviews.llvm.org/D10979
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250345
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Philip Reames [Wed, 14 Oct 2015 22:47:06 +0000 (22:47 +0000)]
Test case which should have been part of 250343
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250344
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Philip Reames [Wed, 14 Oct 2015 22:46:19 +0000 (22:46 +0000)]
[SimplifyCFG] Speculatively flatten CFG based on profiling metadata
If we have a series of branches which are all unlikely to fail, we can possibly combine them into a single check on the fastpath combined with a bit of dispatch logic on the slowpath. We don't want to do this unconditionally since it requires speculating instructions past a branch, but if the profiling metadata on the branch indicates profitability, this can reduce the number of checks needed along the fast path.
The canonical example this is trying to handle is removing the second bounds check implied by the Java code: a[i] + a[i+1]. Note that it can currently only do so for really simple conditions and the values of a[i] can't be used anywhere except in the addition. (i.e. the load has to have been sunk already and not prevent speculation.) I plan on extending this transform over the next few days to handle alternate sequences.
Differential Revision: http://reviews.llvm.org/D13070
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250343
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Akira Hatanaka [Wed, 14 Oct 2015 22:45:36 +0000 (22:45 +0000)]
[MachO] Stop generating *coal* sections.
Some background on why we don't have to use *coal* sections anymore:
Long ago when C++ was new and "weak" had not been standardized, an attempt was
made in cctools to support C++ inlines that can be coalesced by putting them
into their own section (TEXT/textcoal_nt instead of TEXT/text).
The current macho linker supports the weak-def bit on any symbol to allow it to
be coalesced, but the compiler still puts weak-def functions/data into alternate
section names, which the linker must map back to the base section name.
This patch makes changes that are necessary to prevent the compiler from using
the "coal" sections and have it use the non-coal sections instead when the
target architecture is not powerpc:
TEXT/textcoal_nt instead use TEXT/text
TEXT/const_coal instead use TEXT/const
DATA/datacoal_nt instead use DATA/data
If the target is powerpc, we continue to use the *coal* sections since anyone
targeting powerpc is probably using an old linker that doesn't have support for
the weak-def bits.
Also, have the assembler issue a warning if it encounters a *coal* section in
the assembly file and inform the users to use the non-coal sections instead.
rdar://problem/
14265330
Differential Revision: http://reviews.llvm.org/D13188
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250342
91177308-0d34-0410-b5e6-
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Philip Reames [Wed, 14 Oct 2015 22:42:12 +0000 (22:42 +0000)]
Tighten known bits for ctpop based on zero input bits
This is a cleaned up patch from the one written by John Regehr based on the findings of the Souper superoptimizer.
The basic idea here is that input bits that are known zero reduce the maximum count that the intrinsic could return. We know that the number of bits required to represent a particular count is at most log2(N)+1.
Differential Revision: http://reviews.llvm.org/D13253
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250338
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Chris Bieneman [Wed, 14 Oct 2015 21:50:09 +0000 (21:50 +0000)]
[CMake] Make LLVM_VERSION_* variables user definable
CMake's set command overwrites existing values. Package maintainers may want or need to set the version variables manually, so we need to only set them if they are not already defined. Note I use the "if(NOT DEFINED ...)" syntax deliberately in the last case because empty string is a valid value for the suffx, but not the other variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250333
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Sanjay Patel [Wed, 14 Oct 2015 21:47:03 +0000 (21:47 +0000)]
add x86 codegen tests for 'add nsw' followed by 'sext'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250332
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Bill Schmidt [Wed, 14 Oct 2015 20:45:00 +0000 (20:45 +0000)]
[PowerPC] Fix invalid lxvdsx optimization (PR25157)
PR25157 identifies a bug where a load plus a vector shuffle is
incorrectly converted into an LXVDSX instruction. That optimization
is only valid if the load is of a doubleword, and in the noted case,
it was not. This corrects that problem.
Joint patch with Eric Schweitz, who provided the bugpoint-reduced test
case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250324
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Davide Italiano [Wed, 14 Oct 2015 20:29:54 +0000 (20:29 +0000)]
[Bugpoint] Use 'CC' instead of 'GCC' for variable naming.
We now use clang by default and fallback to gcc when requested.
With this commit, names reflect reality. No functional change
intended.
Discussed with: Rafael Espindola.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250321
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Daniel Berlin [Wed, 14 Oct 2015 19:54:24 +0000 (19:54 +0000)]
[IDFCalculator] Use DominatorTreeBase instead of DominatorTree
Summary:
IDFCalculator used a DominatorTree instance for its calculations. Since the PostDominatorTree struct is not a subclass of DominatorTree, it wasn't possible to use PDT in IDFCalculator to compute post-dominance frontiers.
This patch makes IDFCalculator work with a DominatorTreeBase<BasicBlock> instead, which enables PDTs to be utilized.
Patch by Victor Campos (vhscampos@gmail.com)
Reviewers: dberlin
Subscribers: dberlin, llvm-commits
Differential Revision: http://reviews.llvm.org/D13725
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250320
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Davide Italiano [Wed, 14 Oct 2015 19:48:01 +0000 (19:48 +0000)]
[Bugpoint] Use clang by default.
We now rely on gcc only if either of the following is true:
1) -gcc option is passed by the user
2) clang is not found in the default path.
Differential Revision: http://reviews.llvm.org/D13642
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250318
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Chen Li [Wed, 14 Oct 2015 19:47:43 +0000 (19:47 +0000)]
[LoopUnswitch] Correct misleading comments.
Reviewers: reames
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13738
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250317
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Arch D. Robison [Wed, 14 Oct 2015 19:10:45 +0000 (19:10 +0000)]
Add 'other' in description of extractvalue operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250314
91177308-0d34-0410-b5e6-
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Diego Novillo [Wed, 14 Oct 2015 18:36:30 +0000 (18:36 +0000)]
Sample profiles - Add documentation for binary profile encoding. NFC.
This adds documentation for the binary profile encoding and moves the
documentation for the text encoding into the header file
SampleProfReader.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250309
91177308-0d34-0410-b5e6-
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Artyom Skrobov [Wed, 14 Oct 2015 17:18:35 +0000 (17:18 +0000)]
A doccomment for CombineTo, and some NFC refactorings
Summary:
Caching SDLoc(N), instead of recreating it in every single
function call, keeps the code denser, and allows to unwrap long lines.
Reviewers: sunfish, atrick, sdmitrouk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13726
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250305
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Artyom Skrobov [Wed, 14 Oct 2015 16:54:14 +0000 (16:54 +0000)]
Merge DAGCombiner::visitSREM and DAGCombiner::visitUREM (NFC)
Summary: The two implementations had more code in common than not.
Reviewers: sunfish, MatzeB, sdmitrouk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13724
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250302
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Igor Kudrin [Wed, 14 Oct 2015 12:21:30 +0000 (12:21 +0000)]
[llvm-readobj/ELF] fix: add correct test inputs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250292
91177308-0d34-0410-b5e6-
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Igor Kudrin [Wed, 14 Oct 2015 12:11:50 +0000 (12:11 +0000)]
[llvm-readobj/ELF] Print GNU Hash section
Add a new command line switch, -gnu-hash-table, to print the content of that section.
Differential Revision: http://reviews.llvm.org/D13696
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250291
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Andrea Di Biagio [Wed, 14 Oct 2015 10:03:13 +0000 (10:03 +0000)]
[x86][FastISel] Teach how to select nontemporal stores.
This patch teaches x86 fast-isel how to select nontemporal stores.
On x86, we can use MOVNTI for nontemporal stores of doublewords/quadwords.
Instructions (V)MOVNTPS/PD/DQ can be used for SSE2/AVX aligned nontemporal
vector stores.
Before this patch, fast-isel always selected 'movd/movq' instead of 'movnti'
for doubleword/quadword nontemporal stores. In the case of nontemporal stores
of aligned vectors, fast-isel always selected movaps/movapd/movdqa instead of
movntps/movntpd/movntdq.
With this patch, if we use SSE2/AVX intrinsics for nontemporal stores we now
always get the expected (V)MOVNT instructions.
The lack of fast-isel support for nontemporal stores was spotted when analyzing
the -O0 codegen for nontemporal stores.
Differential Revision: http://reviews.llvm.org/D13698
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250285
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Chris Bieneman [Wed, 14 Oct 2015 07:50:21 +0000 (07:50 +0000)]
[CMake] Add LLVM_VERSION_PATCH to the -current_version flag for libLTO and libLLVM.
This is to match autoconf where LLVM_SUBMIT_SUBVERSION is usually set to ${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250277
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Chris Bieneman [Wed, 14 Oct 2015 07:40:34 +0000 (07:40 +0000)]
[CMake] Fixing the bots I broke.
I meant to put the POLICY setting below the version defaults.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250276
91177308-0d34-0410-b5e6-
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Chris Bieneman [Wed, 14 Oct 2015 07:37:00 +0000 (07:37 +0000)]
[CMake] Set Policy CMP0048 to NEW
CMake 3.0 introduced the VERSION option for the project() command. If you don't specify the VERSION in the function it will clear out variables matching ${PROJECT_NAME}_VERSION_${MAJOR|MINOR|PATCH|TWEAK}.
This makes overriding LLVM_VERSION_* not work properly with newer versions of CMake. To make this work properly we need to:
(1) Optionally set the policy to NEW
(2) Move default versions and setting PACKAGE_VERSION to before the call to project()
(3) If the policy is set, pass the VERSION and LANGUAGES options in the new format
This change should have no behavioral change for CMake versions before 3.0, and it makes the behavior of later versions match the earlier versions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250275
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Xinliang David Li [Wed, 14 Oct 2015 07:24:14 +0000 (07:24 +0000)]
Add a instrumentation test for Linux
Make sure __llvm_profile_init is not emitted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250274
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Craig Topper [Wed, 14 Oct 2015 05:37:42 +0000 (05:37 +0000)]
[X86] Update CPU detection to only enable XSAVE features if the OS has enabled them and the saving of YMM state. This seems to be consistent with gcc behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250269
91177308-0d34-0410-b5e6-
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Craig Topper [Wed, 14 Oct 2015 05:37:38 +0000 (05:37 +0000)]
[X86] Add XSAVE feature flags to their various processors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250268
91177308-0d34-0410-b5e6-
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Craig Topper [Wed, 14 Oct 2015 04:36:00 +0000 (04:36 +0000)]
Use range-based for loops. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250266
91177308-0d34-0410-b5e6-
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Manman Ren [Wed, 14 Oct 2015 03:04:03 +0000 (03:04 +0000)]
Revert r250204 and r250240 due to bot failure. We failed to build PGO-ed clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250264
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Evgeniy Stepanov [Wed, 14 Oct 2015 00:21:13 +0000 (00:21 +0000)]
[msan] Fix crash on multiplication by a non-integer constant.
Fixes PR25160.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250260
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Kostya Serebryany [Wed, 14 Oct 2015 00:21:05 +0000 (00:21 +0000)]
[asan] Disabling speculative loads under asan. Patch by Mike Aizatsky
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250259
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Richard Smith [Wed, 14 Oct 2015 00:04:19 +0000 (00:04 +0000)]
Rename one of our two llvm::GCOVOptions classes to llvm::GCOV::Options. We used
to get away with this because llvm/Support/GCOV.h was an implementation detail
of the llvm-gcov tool, but it's now being used by FDO.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250258
91177308-0d34-0410-b5e6-
96231b3b80d8