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Evandro Menezes [Tue, 11 Jul 2017 22:08:28 +0000 (22:08 +0000)]
[CodeGen] Rename DEBUG_TYPE to match passnames
Rename missing DEBUG_TYPE "machine-scheduler" from backend files, which were
absent from https://reviews.llvm.org/rL303921.
Differential revision: https://reviews.llvm.org/D35231
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307719
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Sanjay Patel [Tue, 11 Jul 2017 22:04:36 +0000 (22:04 +0000)]
[x86] auto-generate full checks; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307718
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Simon Dardis [Tue, 11 Jul 2017 21:36:58 +0000 (21:36 +0000)]
[mips][mt] Correct spelling error in comment. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307717
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Simon Dardis [Tue, 11 Jul 2017 21:28:36 +0000 (21:28 +0000)]
[mips][mt][2/7] Implement .module and .set directives for the MT ASE.
This patch implements the .module and .set directives for the MT ASE,
notably that .module sets the relevant flags in .MIPS.abiflags and .set
doesn't.
Reviewers: slthakur, atanasyan
Differential Revision: https://reviews.llvm.org/D35249
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307716
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Martin Storsjo [Tue, 11 Jul 2017 21:07:10 +0000 (21:07 +0000)]
[ARM, ELF] Don't shift movt relocation offsets
For ELF, a movw+movt pair is handled as two separate relocations.
If an offset should be applied to the symbol address, this offset is
stored as an immediate in the instruction (as opposed to stored as an
offset in the relocation itself).
Even though the actual value stored in the movt immediate after linking
is the top half of the value, we need to store the unshifted offset
prior to linking. When the relocation is made during linking, the offset
gets added to the target symbol value, and the upper half of the value
is stored in the instruction.
This makes sure that movw+movt with offset symbols get properly
handled, in case the offset addition in the lower half should be
carried over to the upper half.
This makes the output from the additions to the test case match
the output from GNU binutils.
For COFF and MachO, the movw/movt relocations are handled as a pair,
and the overflow from the lower half gets carried over to the movt,
so they should keep the shifted offset just as before.
Differential Revision: https://reviews.llvm.org/D35242
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307713
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Florian Hahn [Tue, 11 Jul 2017 20:56:24 +0000 (20:56 +0000)]
[AArch64] Remove unused IsDarwin & IsNotDarwin predicates (NFCI).
Reviewers: t.p.northover, rengolin
Reviewed By: t.p.northover
Subscribers: aemerson, javed.absar, llvm-commits, kristof.beyls
Differential Revision: https://reviews.llvm.org/D35266
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307706
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Anna Thomas [Tue, 11 Jul 2017 20:44:37 +0000 (20:44 +0000)]
[LoopUnrollRuntime] NFC: Add some debugging trace messages for why loop wasn't unrolled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307705
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Xinliang David Li [Tue, 11 Jul 2017 20:30:43 +0000 (20:30 +0000)]
[ProfileData] Add new option to dump topn hottest functions
Differential Revision: http://reviews.llvm.org/D35155
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307702
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Davide Italiano [Tue, 11 Jul 2017 19:49:12 +0000 (19:49 +0000)]
[NewGVN] Check for congruency of memory accesses.
This is fine as nothing in the code relies on leader and memory
leader being the same for a given congruency class. Ack'ed by
Dan.
Fixes PR33720.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307699
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Michael Zuckerman [Tue, 11 Jul 2017 19:46:11 +0000 (19:46 +0000)]
reverting 307677.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307698
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Davide Italiano [Tue, 11 Jul 2017 19:19:45 +0000 (19:19 +0000)]
[NewGVN] Fix an innocent typo I found while debugging PR33720.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307694
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Davide Italiano [Tue, 11 Jul 2017 19:15:36 +0000 (19:15 +0000)]
[NewGVN] Clarify the function invariants formatting them properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307692
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Tony Jiang [Tue, 11 Jul 2017 19:07:10 +0000 (19:07 +0000)]
[PPC] Fix one test case regression for patch https://reviews.llvm.org/D34337.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307691
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Dan Liew [Tue, 11 Jul 2017 18:27:52 +0000 (18:27 +0000)]
[LibFuzzer] Fix `-Wcomment` warning emitted by GCC.
```
./FuzzerIOWindows.cpp:185:1: warning: multi-line comment [-Wcomment]
// Parse a directory ending in separator, like: SomeDir\
^
./FuzzerIOWindows.cpp:200:1: warning: multi-line comment [-Wcomment]
// Parse a servername and share, like: SomeServer\SomeShare\
^
```
Differential Revision: https://reviews.llvm.org/D35244
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307687
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Dan Liew [Tue, 11 Jul 2017 18:27:48 +0000 (18:27 +0000)]
[LibFuzzer] Fix `-Wpedantic` warning reported by Eric Christopher.
The warning is reproducible with GCC 4.8. Thanks to David Blaikie for
the suggested fix.
The reported warning was
```
/usr/local/google/home/echristo/sources/llvm/lib/Fuzzer/FuzzerExtFunctions.def:29:10: warning: ISO C++ forbids casting between pointer-to-function and pointer-to-object [-Wpedantic]
EXT_FUNC(__lsan_enable, void, (), false);
^
/usr/local/google/home/echristo/sources/llvm/lib/Fuzzer/FuzzerExtFunctionsWeak.cpp:44:24: note: in definition of macro ‘EXT_FUNC’
CheckFnPtr((void *)::NAME, #NAME, WARN);
^
```
Differential Revision: https://reviews.llvm.org/D35243
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307686
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Evgeniy Stepanov [Tue, 11 Jul 2017 18:13:52 +0000 (18:13 +0000)]
[msan] Only check shadow memory for operands that are sized.
Fixes PR33347: https://bugs.llvm.org/show_bug.cgi?id=33347.
Differential Revision: https://reviews.llvm.org/D35160
Patch by Matt Morehouse.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307684
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Simon Dardis [Tue, 11 Jul 2017 18:03:20 +0000 (18:03 +0000)]
[mips][mt][1/7] Add the MT ASE as a subtarget feature.
Preparatory work for adding the MIPS MT (multi-threading) ASE instructions.
Reviewers: slthakur, atanasyan
Differential Revision: https://reviews.llvm.org/D35247
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307679
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Konstantin Zhuravlyov [Tue, 11 Jul 2017 17:57:41 +0000 (17:57 +0000)]
Revert "AMDGPU: Do not test for SI in getIsaVersion"
This reverts commit r307573.
This breaks downstream test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307678
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Michael Zuckerman [Tue, 11 Jul 2017 17:17:49 +0000 (17:17 +0000)]
[X86][LLVM]Expanding Supports lowerInterleavedStore() in X86InterleavedAccess.
Base test for avx512
adding new base test to trunk befor commit change on the test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307677
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Anna Thomas [Tue, 11 Jul 2017 17:16:33 +0000 (17:16 +0000)]
[LoopUnrollRuntime] Avoid multi-exit nested loop with epilog generation
The loop structure for the outer loop does not contain the epilog
preheader when we try to unroll inner loop with multiple exits and
epilog code is generated. For now, we just bail out in such cases.
Added a test case that shows the problem. Without this bailout, we would
trip on assert saying LCSSA form is incorrect for outer loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307676
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Krzysztof Parzyszek [Tue, 11 Jul 2017 17:11:54 +0000 (17:11 +0000)]
[Hexagon] Do not rely on callee-saved info in hasFP
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307675
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Reid Kleckner [Tue, 11 Jul 2017 16:45:30 +0000 (16:45 +0000)]
[Support] - Add bad alloc error handler for handling allocation malfunctions
Summary:
Patch by Klaus Kretzschmar
We would like to introduce a new type of llvm error handler for handling
bad alloc fault situations. LLVM already provides a fatal error handler
for serious non-recoverable error situations which by default writes
some error information to stderr and calls exit(1) at the end (functions
are marked as 'noreturn').
For long running processes (e.g. a server application), exiting the
process is not an acceptable option, especially not when the system is
in a temporary resource bottleneck with a good chance to recover from
this fault situation. In such a situation you would rather throw an
exception to stop the current compilation and try to overcome the
resource bottleneck. The user should be aware of the problem of throwing
an exception in bad alloc situations, e.g. you must not do any
allocations in the unwind chain. This is especially true when adding
exceptions in existing unfamiliar code (as already stated in the comment
of the current fatal error handler)
So the new handler can also be used to distinguish from general fatal
error situations where recovering is no option. It should be used in
cases where a clean unwind after the allocation is guaranteed.
This patch contains:
- A report_bad_alloc function which calls a user defined bad alloc
error handler. If no user handler is registered the
report_fatal_error function is called. This function is not marked as
'noreturn'.
- A install/restore_bad_alloc_error_handler to install/restore the bad
alloc handler.
- An example (in Mutex.cpp) where the report_bad_alloc function is
called in case of a malloc returns a nullptr.
If this patch gets accepted we would create similar patches to fix
corresponding malloc/calloc usages in the llvm code.
Reviewers: chandlerc, greened, baldrick, rnk
Reviewed By: rnk
Subscribers: llvm-commits, MatzeB
Differential Revision: https://reviews.llvm.org/D34753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307673
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Tony Jiang [Tue, 11 Jul 2017 16:42:20 +0000 (16:42 +0000)]
[PPC] Fix two bugs in frame lowering.
1. The available program storage region of the red zone to compilers is 288
bytes rather than 244 bytes.
2. The formula for negative number alignment calculation should be
y = x & ~(n-1) rather than y = (x + (n-1)) & ~(n-1).
Differential Revision: https://reviews.llvm.org/D34337
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307672
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Krzysztof Parzyszek [Tue, 11 Jul 2017 16:39:33 +0000 (16:39 +0000)]
[Hexagon] Add support for nontemporal loads and stores on HVX
Patch by Michael Wu.
Differential Revision: https://reviews.llvm.org/D35104
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307671
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Reid Kleckner [Tue, 11 Jul 2017 16:12:53 +0000 (16:12 +0000)]
[lit] Fix import StringIO errors in Python 3
Remove the cStringIO micro-optimization, as it isn't portable to Python
3.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307669
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Reid Kleckner [Tue, 11 Jul 2017 16:05:50 +0000 (16:05 +0000)]
[lit] Implement non-pipelined echo commands internally
Summary:
This speeds up the LLD test suite on Windows by 3x. Most of the time is
spent on lld/test/ELF/linkerscript/diagnostics.s, which repeatedly
constructs linker scripts with appending echo commands.
Reviewers: dlj, zturner, modocache
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D35093
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307668
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Dinar Temirbulatov [Tue, 11 Jul 2017 15:54:50 +0000 (15:54 +0000)]
[SLPVectorizer] Revert change in cancelScheduling with referencing to FirstInBundle, NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307667
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Craig Topper [Tue, 11 Jul 2017 15:52:21 +0000 (15:52 +0000)]
[IR] Remove unnecessary const_casts from ConstantDataSequential and it's subclasses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307666
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Hiroshi Inoue [Tue, 11 Jul 2017 15:41:31 +0000 (15:41 +0000)]
fix formatting; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307662
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Daniel Sanders [Tue, 11 Jul 2017 14:23:14 +0000 (14:23 +0000)]
[globalisel][tablegen] Change method of squashing unused variable warnings following post-commit comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307659
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Jonas Paulsson [Tue, 11 Jul 2017 14:07:55 +0000 (14:07 +0000)]
[SystemZ] Minor fixing in SystemZScheduleZ13.td
Some minor corrections for the recently added instructions.
Review: Ulrich Weigand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307658
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Diana Picus [Tue, 11 Jul 2017 12:34:33 +0000 (12:34 +0000)]
[ARM] GlobalISel: Tighten G_FCMP selection test. NFC
Use CHECK-NEXT for the comparison sequence, to make sure we don't get
any unexpected instructions in the middle of our flag manipulation
efforts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307656
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George Rimar [Tue, 11 Jul 2017 12:29:07 +0000 (12:29 +0000)]
[DWARF] - Add testcase for checking message about broken relocations.
Addresses comments for r306677, which fixed error message itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307655
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Guy Blank [Tue, 11 Jul 2017 11:51:49 +0000 (11:51 +0000)]
[X86][AVX512] regenerate avx512-insert-extract.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307654
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Diana Picus [Tue, 11 Jul 2017 11:47:45 +0000 (11:47 +0000)]
[ARM] GlobalISel: Add reg mapping for s64 G_FCMP
Map the result into GPR and the operands into FPR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307653
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Philip Pfaffe [Tue, 11 Jul 2017 11:17:44 +0000 (11:17 +0000)]
[PM] Another post-commit fix in NewPMDriver
There were two errors in the parsing of opt's command line options for
extension point pipelines. The EP callbacks are not supposed to return a
value. To check the pipeline text for correctness, I now try to parse it
into a temporary PM object, and print a message on failure. This solves
the compile time error for the lambda return type, as well as correctly
handles unparsable pipelines now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307649
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Diana Picus [Tue, 11 Jul 2017 10:52:08 +0000 (10:52 +0000)]
[ARM] GlobalISel: Tighten legalizer tests. NFC
Make sure that all the legalizer tests where the original instruction
needs to be removed check for the removal. We do this by adding
CHECK-NOT lines before and after the replacement sequence. This won't
catch pathological cases where the instruction remains somewhere in the
middle of the instruction sequence that's supposed to replace it, but
hopefully that won't occur in practice (since ideally we'd be setting
the insert point for the new instruction sequence either before or after
the original instruction and not fiddle with it while building the
sequence).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307647
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Daniel Sanders [Tue, 11 Jul 2017 10:40:18 +0000 (10:40 +0000)]
[globalisel][tablegen] Fix an multi-insn match bug where ComplexPattern is used on multiple insns.
In each rule, each use of ComplexPattern is assigned an element in the Renderers
array. The matcher then collects renderer functions in this array and they are
used to render instructions. This works well for a single instruction but a
bug in the allocation mechanism causes the elements to be assigned on a
per-instruction basis rather than a per-rule basis.
So in the case of:
(set GPR32:$dst, (Op complex:$src1, complex:$src2))
tablegen currently assigns elements 0 and 1 to $src1 and $src2 respectively,
but for:
(set GPR32:$dst, (Op complex:$src1, (Op complex:$src2)))
it currently assigned both $src1 and $src2 the same element (0). This results in
one complex operand being rendered twice and the other being forgotten.
This patch corrects the allocation such that $src1 and $src2 are still allocated
different elements in this case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307646
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Peter Smith [Tue, 11 Jul 2017 09:47:12 +0000 (09:47 +0000)]
[ARM] ldr pc,=expression should be allowed in Thumb2
This change allows the pc to be used as a destination register for the
pseudo instruction LDR pc,=expression . The pseudo instruction must not be
transformed into a MOV, but it can use the Thumb2 LDR (literal) instruction
to a constant pool entry. See (A7.7.43 from ARMv7M ARM ARM).
Differential Revision: https://reviews.llvm.org/D34751
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307640
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Diana Picus [Tue, 11 Jul 2017 09:43:51 +0000 (09:43 +0000)]
[ARM] GlobalISel: Fix oversight in G_FCMP legalization
We used to forget to erase the original instruction when replacing a
G_FCMP true/false. Fix this bug and make sure the tests check for it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307639
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Daniel Sanders [Tue, 11 Jul 2017 08:57:29 +0000 (08:57 +0000)]
[globalisel][tablegen] Correct matching of intrinsic ID's.
TreePatternNode considers them to be plain integers but MachineInstr considers
them to be a distinct kind of operand.
The tweak to AArch64InstrInfo.td to produce a simple test case is a NFC for
everything except GlobalISelEmitter (confirmed by diffing the tablegenerated
files). GlobalISelEmitter is currently unable to infer the type of operands in
the Dst pattern from the operands in the Src pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307634
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Diana Picus [Tue, 11 Jul 2017 08:50:01 +0000 (08:50 +0000)]
[ARM] GlobalISel: Legalize s64 G_FCMP
Same as the s32 version, for both hard and soft float.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307633
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Serguei Katkov [Tue, 11 Jul 2017 08:34:58 +0000 (08:34 +0000)]
Revert Revert [MBP] do not rotate loop if it creates extra branch
This is a second attempt to land this patch.
The first one resulted in a crash of clang sanitizer buildbot.
The fix is here and regression test is added.
This is a last fix for the corner case of PR32214. Actually this is not really corner case in general.
We should not do a loop rotation if we create an additional branch due to it.
Consider the case where we have a loop chain H, M, B, C , where
H is header with viable fallthrough from pre-header and exit from the loop
M - some middle block
B - backedge to Header but with exit from the loop also.
C - some cold block of the loop.
Let's H is determined as a best exit. If we do a loop rotation M, B, C, H we can introduce the extra branch.
Let's compute the change in number of branches:
+1 branch from pre-header to header
-1 branch from header to exit
+1 branch from header to middle block if there is such
-1 branch from cold bock to header if there is one
So if C is not a predecessor of H then we introduce extra branch.
This change actually prohibits rotation of the loop if both true
Best Exit has next element in chain as successor.
Last element in chain is not a predecessor of first element of chain.
Reviewers: iteratee, xur, sammccall, chandlerc
Reviewed By: iteratee
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D34745
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307631
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Igor Breger [Tue, 11 Jul 2017 08:04:51 +0000 (08:04 +0000)]
[GlobalISel][X86] Use correct AND instructions.
AND8ri8 not supported in 64bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307630
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Serguei Katkov [Tue, 11 Jul 2017 06:24:44 +0000 (06:24 +0000)]
[CGP] Relax a bit restriction for optimizeMemoryInst to extend scope
CodeGenPrepare::optimizeMemoryInst contains a check that we do nothing
if all instructions combining the address for memory instruction is in the same
block as memory instruction itself.
However if any of these instruction are placed after memory instruction then
address calculation will not be folded to memory instruction.
The added test case shows an example.
Reviewers: loladiro, spatel, efriedma
Reviewed By: efriedma
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D34862
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307628
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Hiroshi Inoue [Tue, 11 Jul 2017 06:04:59 +0000 (06:04 +0000)]
fix typos in comments; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307626
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Chandler Carruth [Tue, 11 Jul 2017 05:39:20 +0000 (05:39 +0000)]
[PM/ThinLTO] Fix PR33536, a bug where the ThinLTO bitcode writer was
querying for analysis results on a function declaration rather than
a definition.
The only reason this worked previously is by chance -- because the way
we got alias analysis results with the legacy PM, we happened to not
compute a dominator tree and so we happened to not hit an assert even
though it didn't make any real sense. Now we bail out before trying to
compute alias analysis so that we don't hit these asserts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307625
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Hiroshi Inoue [Tue, 11 Jul 2017 05:37:16 +0000 (05:37 +0000)]
[PowerPC] fix latency for simple integer instructions in POWER9 scheduler
In the POWER9 instruction scheduler, SchedWriteRes for the simple integer instructions are misconfigured to use that of (costly) DFU instructions.
This results in surprisingly long instruction latency estimation and causes misbehavior in some optimizers such as if-conversion.
Differential Revision: https://reviews.llvm.org/D34869
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307624
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Hiroshi Inoue [Tue, 11 Jul 2017 05:28:26 +0000 (05:28 +0000)]
[PowerPC] avoid redundant analysis while lowering an immediate; NFC
This patch reduces compilation time by avoiding redundant analysis while selecting instructions to create an immediate.
If the instruction count required to create the input number without rotate is 2, we do not need further analysis to find a shorter instruction sequence with rotate; rotate + load constant cannot be done by 1 instruction (i.e. getInt64CountDirectnever return 0).
This patch should not change functionality.
Differential Revision: https://reviews.llvm.org/D34986
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307623
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Dylan McKay [Tue, 11 Jul 2017 05:14:40 +0000 (05:14 +0000)]
[AVR] Remove a few very old TODOs that don't have enough context to understand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307622
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Craig Topper [Tue, 11 Jul 2017 05:12:52 +0000 (05:12 +0000)]
[InstCombine] Add test case for PR33721.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307621
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Dylan McKay [Tue, 11 Jul 2017 04:53:43 +0000 (04:53 +0000)]
[AVR] Rename 'ZREGS' to 'ZREG'
It will only ever contain one register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307620
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Dylan McKay [Tue, 11 Jul 2017 04:45:15 +0000 (04:45 +0000)]
[AVR] Rename 'AVRTiny' to 'Tiny'
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307619
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Dylan McKay [Tue, 11 Jul 2017 04:17:13 +0000 (04:17 +0000)]
[AVR] Use the generic branch relaxer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307617
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NAKAMURA Takumi [Tue, 11 Jul 2017 02:31:54 +0000 (02:31 +0000)]
Whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307614
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NAKAMURA Takumi [Tue, 11 Jul 2017 02:31:51 +0000 (02:31 +0000)]
Revert r307581, "Avoid doing conservative phi checks in aliasSameBasePointerGEPs() if no phis have been visited yet."
It broke stage2 tests in selfhosting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307613
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Sam Clegg [Tue, 11 Jul 2017 02:21:57 +0000 (02:21 +0000)]
[WebAssembly] Fix use of cast vs dyn_cast
Differential Revision: https://reviews.llvm.org/D35233
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307612
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Vedant Kumar [Tue, 11 Jul 2017 01:42:12 +0000 (01:42 +0000)]
[llvm-cov] Disable threading in a test. NFC.
PR30735 reports an issue where llvm-cov hangs with a worker thread
waiting on a condition, and the main thread waiting to join() the
workers. While this doesn't appear to be a bug in llvm-cov or the
ThreadPool implementation, it would be helpful to disable the use of
threading in the llvm-cov tests where no test coverage is added.
More context: https://bugs.llvm.org/show_bug.cgi?id=30735
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307610
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Vedant Kumar [Tue, 11 Jul 2017 01:23:29 +0000 (01:23 +0000)]
[llvm-cov] Add a cl::opt to control the number of threads
When an output directory is specified, llvm-cov spawns some threads to
speed up the process of writing out file reports. Add an option which
allows users to control how many threads llvm-cov uses.
A CommandGuide.rst update + test is included.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307609
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David Blaikie [Tue, 11 Jul 2017 01:18:28 +0000 (01:18 +0000)]
llvm-profdata: Improve memory usage by tuning SmallDenseMap size
This takes memory usage from 5.1GB to 970MB - it could go further by
using a small size of 2 instead of the default of 4, but given the
rather high cost of going over this limit by much, I figured a little
slosh would be worth the ~130MB of memory usage.
& this'll might not be such a big deal if we use a custom slab allocator
for the DenseMaps here anyway
While the vast majority (99.9%) of records use only 1 entry, the tuning
parameter to SmallDenseMap is the the number of buckets, not the number
of entries - so a small size of 1 wasn't useful, even for 1 element, it
would tip over into allocating (much, 64 slots worth) more space - none
of them ended up small.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307608
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Andrew Wilkins [Tue, 11 Jul 2017 01:17:44 +0000 (01:17 +0000)]
[cmake] Check for Haiku when setting LIB_NAMES for GNU ld
Haiku uses GNU ld for linking, but is not captured in the
conditional when setting LIB_NAMES. This causes a shared
library with no symbols on Haiku. This patch simply adds
a check for whether the CMake system name is Haiku in
addition to the existing checks.
Patch by Jérôme Duval.
Differential Revision: https://reviews.llvm.org/D34998
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307607
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George Karpenkov [Tue, 11 Jul 2017 00:48:00 +0000 (00:48 +0000)]
Remove circular dependency from runtimes/CMakeLists
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307605
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Zachary Turner [Mon, 10 Jul 2017 22:40:20 +0000 (22:40 +0000)]
[lld/pdb] Create an empty public symbol record stream.
This is part of the continuing effort to increase parity between
LLD and MSVC PDBs. link still doesn't like our PDBs, so the most
obvious thing to check was whether adding an empty publics stream
would get it to do something else. It still fails in the same way
but at least this removes one more variable from the equation.
The next logical step would be to try creating an empty globals
stream.
Differential Revision: https://reviews.llvm.org/D35224
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307598
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Joel Jones [Mon, 10 Jul 2017 22:11:50 +0000 (22:11 +0000)]
Doxygen formatting. NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307597
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Vedant Kumar [Mon, 10 Jul 2017 21:44:43 +0000 (21:44 +0000)]
InstrProf: Fix unit test which accidentally used a duplicate name
This unit test constructed some profile records incorrectly. One of the
records had a duplicate name: adding that record into the writer caused
an error unrelated to what needed to be tested.
Reported by David Blaikie!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307596
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Zachary Turner [Mon, 10 Jul 2017 21:01:37 +0000 (21:01 +0000)]
[lld/pdb] Add some basic linker module symbols.
Differential Revision: https://reviews.llvm.org/D35152
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307590
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Matthias Braun [Mon, 10 Jul 2017 20:51:30 +0000 (20:51 +0000)]
Revert "[DAG] Improve Aliasing of operations to static alloca"
Reverting as it breaks tramp3d-v4 in the llvm test-suite. I added some
comments to https://reviews.llvm.org/D33345 about it.
This reverts commit r307546.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307589
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Sam Clegg [Mon, 10 Jul 2017 20:47:12 +0000 (20:47 +0000)]
[WebAssembly] Add more details to llvm-readobj for wasm files
Differential Revision: https://reviews.llvm.org/D35208
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307588
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Leo Li [Mon, 10 Jul 2017 20:45:34 +0000 (20:45 +0000)]
[ConstantHoisting] Remove dupliate logic in constant hoisting
Summary:
As metioned in https://reviews.llvm.org/D34576, checkings in
`collectConstantCandidates` can be replaced by using
`llvm::canReplaceOperandWithVariable`.
The only special case is that `collectConstantCandidates` return false for
all `IntrinsicInst` but it is safe for us to collect constant candidates from
`IntrinsicInst`.
Reviewers: pirama, efriedma, srhines
Reviewed By: efriedma
Subscribers: llvm-commits, javed.absar
Differential Revision: https://reviews.llvm.org/D34921
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307587
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Davide Italiano [Mon, 10 Jul 2017 20:45:00 +0000 (20:45 +0000)]
[NewGVN] Simplify a lambda a little bit. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307586
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Sam Clegg [Mon, 10 Jul 2017 20:43:26 +0000 (20:43 +0000)]
[WebAssembly] Be consistent in generating trivial test input files
For each checked-in wasm file, make sure the there is
corresponding .ll file that can be used to regenerate it
if needed.
Add test/Object/Inputs/trivial-object-test.wasm to match other
formats and add some new wasm tests in test/Object.
Differential Revision: https://reviews.llvm.org/D35213
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307585
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Nirav Dave [Mon, 10 Jul 2017 20:25:54 +0000 (20:25 +0000)]
Add DAG argument to canMergeStoresTo NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307583
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Krzysztof Parzyszek [Mon, 10 Jul 2017 20:16:44 +0000 (20:16 +0000)]
[Hexagon] Convert typed ISD opcodes to generic ones, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307582
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Farhana Aleen [Mon, 10 Jul 2017 20:15:40 +0000 (20:15 +0000)]
Avoid doing conservative phi checks in aliasSameBasePointerGEPs() if no phis have been visited yet.
Reviewers: Daniel Berlin
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D34478
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307581
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Krzysztof Parzyszek [Mon, 10 Jul 2017 20:13:44 +0000 (20:13 +0000)]
[Hexagon] Remove unused ISD opcodes, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307580
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Dehao Chen [Mon, 10 Jul 2017 20:12:54 +0000 (20:12 +0000)]
Use DenseMap instead std::map for GVSummaryMapTy.
Summary: This speeds-up thin-link by ~47% for large programs.
Reviewers: tejohnson
Reviewed By: tejohnson
Subscribers: sanjoy, llvm-commits, mehdi_amini
Differential Revision: https://reviews.llvm.org/D35148
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307578
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Matt Arsenault [Mon, 10 Jul 2017 20:04:35 +0000 (20:04 +0000)]
AMDGPU: Allow SIShrinkInstructions to fold FrameIndexes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307576
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Matt Arsenault [Mon, 10 Jul 2017 19:53:57 +0000 (19:53 +0000)]
AMDGPU: Allow SIShrinkInstructions to work in non-SSA
Immediates can be folded as long as the immediate is a vreg.
Also undo commuting instructions if it didn't fold an immediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307575
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Matt Arsenault [Mon, 10 Jul 2017 19:33:38 +0000 (19:33 +0000)]
AMDGPU: Remove unnecessary check for constant operands
An instruction that has an immediate operand can't reach
this point. This is only called for a freshly shrunk instruction,
which prevously couldn't have had a literal constant operand.
This was also not conservative enough since it woudl also have
had to filter other constant-like inputs like frame indexes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307574
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Konstantin Zhuravlyov [Mon, 10 Jul 2017 19:24:05 +0000 (19:24 +0000)]
AMDGPU: Do not test for SI in getIsaVersion
SI is being tested by isa version in the first two if statements of the function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307573
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George Karpenkov [Mon, 10 Jul 2017 19:23:28 +0000 (19:23 +0000)]
[CMake] Dependencies for tests in "runtimes"
Many of the test cases in the runtimes require LLVM's testing tools, to
facilitate this working as expected we need to have all the test targets
in the runtimes depend on all LLVM testing tools used in the runtimes.
Differential Revision: https://reviews.llvm.org/D33048
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307572
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Zachary Turner [Mon, 10 Jul 2017 19:16:49 +0000 (19:16 +0000)]
Resubmit "Add pdb-diff test."
This was originally reverted because of two issues.
1) Printing ANSI color escape codes even when outputting to
a file
2) Module name comparisons were failing when comparing a PDB
generated on one machine to a PDB generated on another
machine.
I attempted to fix #2 by adding command line options which let
you specify prefixes to strip from the beginning of embedded
paths, which effectively lets us specify a path to "base" each
PDB from and only compare the parts under the base. But this is
tricky because PDB paths always use Windows path syntax, even
when they are created on non-Windows hosts. A problem still
existed when constructing the prefix to strip, where we were
accidentally using a host-specific path separator instead of
a Windows path separator.
This resubmission fixes the issue on Linux (and I have verified
that the test now passes on Linux).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307571
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George Karpenkov [Mon, 10 Jul 2017 18:58:05 +0000 (18:58 +0000)]
[cmake] Remove obsolete unset in CMake.
Differential Revision: https://reviews.llvm.org/D35024
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307569
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George Karpenkov [Mon, 10 Jul 2017 18:56:51 +0000 (18:56 +0000)]
[docs] Remove obsolete section in CMake documentation.
Differential Revision: https://reviews.llvm.org/D35023
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307568
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Krzysztof Parzyszek [Mon, 10 Jul 2017 18:38:52 +0000 (18:38 +0000)]
[Hexagon] Fix check for HMOTF_ConstExtend operand flag
This fixes https://llvm.org/PR33718.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307566
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Sam Clegg [Mon, 10 Jul 2017 18:36:34 +0000 (18:36 +0000)]
[WebAssembly] Use the correct size for MCFillFragment
Summary: When implementing MCFillFragment, use the size of the fragment,
rather than the size of the section.
Patch by Dan Gohman
Differential Revision: https://reviews.llvm.org/D35090
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307565
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Krzysztof Parzyszek [Mon, 10 Jul 2017 18:31:02 +0000 (18:31 +0000)]
[Hexagon] Handle Hexagon-specific machine operand target flags in MIR
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307564
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Tony Jiang [Mon, 10 Jul 2017 18:11:23 +0000 (18:11 +0000)]
[PPC CodeGen] Expand the bitreverse.i64 intrinsic.
Differential Revision: https://reviews.llvm.org/D34908
Fix PR: https://bugs.llvm.org/show_bug.cgi?id=33093
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307563
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Mandeep Singh Grang [Mon, 10 Jul 2017 17:37:36 +0000 (17:37 +0000)]
[Docs] Updating CMake docs to include LLVM_REVERSE_ITERATION
Reviewers: beanz, mehdi_amini
Reviewed By: beanz
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D35080
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307560
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Zachary Turner [Mon, 10 Jul 2017 17:32:47 +0000 (17:32 +0000)]
Revert "Build fixes for pdb-diff test."
This reverts commit
180af3fdbdb17ec35b45ec1f925fd743b28d37e1.
This is still breaking due to linux-specific path differences.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307559
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Zachary Turner [Mon, 10 Jul 2017 17:01:28 +0000 (17:01 +0000)]
Build fixes for pdb-diff test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307556
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Zachary Turner [Mon, 10 Jul 2017 16:52:15 +0000 (16:52 +0000)]
Fix pdb-diff test.
A test was checked in on Friday that worked by checking in an
object file and PDB generated locally by MSVC, and then having
the test run lld-link on the object file and diffing LLD's PDB
against the checked in PDB.
This failed because part of the diffing algorithm involves
determining if two modules are the same, and if so drilling into
the module and diffing individual fields of the module. The
only thing we can use to make this determination though is the
"name" of the module, which is a path to where the module (obj
file) was read from on the machine where it was linked. This
fails for obvious reasons when comparing a PDB generated on one
machine to a PDB on another machine.
The fix employed here is to add two command line options to the
diff subcommand, which allow the user to specify a "binary root
path". The bin root path, if specified, is stripped from the
beginning of any embedded PDB paths. The test is updated to
specify the user's local test output directory for the left
PDB, and is hardcoded to the location where the original PDB
was created for the right PDB. This way all the equivalence
comparisons should succeed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307555
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Serge Guelton [Mon, 10 Jul 2017 16:51:40 +0000 (16:51 +0000)]
Fix invalid cast in instcombine UMul/ZExt idiom
Fixes https://bugs.llvm.org/show_bug.cgi?id=25454
Do not assume IRBuilder creates Instruction where it can create Value.
Do not assume idiom operands are constant, leave generalisation ot the IRBuilder.
Differential Revision: https://reviews.llvm.org/D35114
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307554
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Lei Huang [Mon, 10 Jul 2017 16:44:45 +0000 (16:44 +0000)]
[PowerPC] Reduce register pressure by not materializing a constant just for use as an index register for X-Form loads/stores.
For this example:
float test (int *arr) {
return arr[2];
}
We currently generate the following code:
li r4, 8
lxsiwax f0, r3, r4
xscvsxdsp f1, f0
With this patch, we will now generate:
addi r3, r3, 8
lxsiwax f0, 0, r3
xscvsxdsp f1, f0
Originally reported in: https://bugs.llvm.org/show_bug.cgi?id=27204
Differential Revision: https://reviews.llvm.org/D35027
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307553
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Andrew V. Tischenko [Mon, 10 Jul 2017 16:36:03 +0000 (16:36 +0000)]
[X86] Model 256-bit AVX instructions in the AMD Jaguar scheduler Part-1 (PR28573).
The new version of the model is definitely faster.
Differential Revision:
https://reviews.llvm.org/D35198
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307552
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Eric Liu [Mon, 10 Jul 2017 16:05:18 +0000 (16:05 +0000)]
[LLVM] Get rid of white spaces in file names in a DebugInfo test. NFC
Summary: White spaces in file names are causing Phabricator/SVN to crash.
Reviewers: bkramer
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D35206
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307550
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Nirav Dave [Mon, 10 Jul 2017 15:39:41 +0000 (15:39 +0000)]
[DAG] Improve Aliasing of operations to static alloca
Memory accesses offset from frame indices may alias, e.g., we
may merge write from function arguments passed on the stack when they
are contiguous. As a result, when checking aliasing, we consider the
underlying frame index's offset from the stack pointer.
Static allocs are realized as stack objects in SelectionDAG, but its
offset is not set until post-DAG causing DAGCombiner's alias check to
consider access to static allocas to frequently alias. Modify isAlias
to consider access between static allocas and access from other frame
objects to be considered aliasing.
Many test changes are included here. Most are fixes for tests which
indirectly relied on our aliasing ability and needed to be modified to
preserve their original intent.
The remaining tests have minor improvements due to relaxed
ordering. The exception is CodeGen/X86/2011-10-19-widen_vselect.ll
which has a minor degradation dispite though the pre-legalized DAG is
improved.
Reviewers: rnk, mkuper, jonpa, hfinkel, uweigand
Reviewed By: rnk
Subscribers: sdardis, nemanjai, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D33345
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307546
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Dehao Chen [Mon, 10 Jul 2017 15:31:53 +0000 (15:31 +0000)]
Use emplace_back to replace size() and resize().
Summary: This speeds-up thin-link for ~29% for large programs.
Reviewers: tejohnson
Reviewed By: tejohnson
Subscribers: grandinj, sanjoy, llvm-commits
Differential Revision: https://reviews.llvm.org/D35145
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307543
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Anna Thomas [Mon, 10 Jul 2017 15:29:38 +0000 (15:29 +0000)]
[LoopUnrollRuntime] Remove strict assert about VMap requirement
When unrolling under multiple exits which is under off-by-default option,
the assert that checks for VMap entry in loop exit values is too strong.
(assert if VMap entry did not exist, the value should be a
constant). However, values derived from
constants or from values outside loop, does not have a VMap entry too.
Removed the assert and added a testcase showcasing the property for
non-constant values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307542
91177308-0d34-0410-b5e6-
96231b3b80d8
Philip Pfaffe [Mon, 10 Jul 2017 13:54:23 +0000 (13:54 +0000)]
[PM] Fix a warning.
The DebugLogging argument was unused in the EP callbacks registration.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307536
91177308-0d34-0410-b5e6-
96231b3b80d8