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Zachary Turner [Tue, 21 Mar 2017 23:45:03 +0000 (23:45 +0000)]
Resubmit "Improve StringMap iterator support."
The issue was trying to advance past the end of the iterator
when computing the end() iterator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298461
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Ahmed Bougacha [Tue, 21 Mar 2017 23:42:54 +0000 (23:42 +0000)]
[GlobalISel] Update DBG_VALUEs referencing DCE'd instructions.
Quentin points out that r298358 would cause us to emit different code
with debug info. That's a big no-no; also erase the instructions that
only live thanks to DBG_VALUE users.
Adrian explained how this is an existing problem and an OK thing to do:
clang has allocas for all variables so shouldn't be affected at -O0, but
swift uses a bit of inlineasm to explicitly keep values live for the
purpose of debug info quality. I'm not sure there is a better scheme.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298460
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Ahmed Bougacha [Tue, 21 Mar 2017 23:42:50 +0000 (23:42 +0000)]
[GlobalISel] Don't translate br to layout successor.
MI can represent fallthrough to layout successor blocks, and our
post-isel representation uses that extensively.
We might as well use it too, to avoid translating and carrying along
unnecessary branches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298459
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Craig Topper [Tue, 21 Mar 2017 23:04:23 +0000 (23:04 +0000)]
[IR] Remove validAlignment and validPointer methods DataLayout as they aren't used.
I don't think validAlignment has been used since r34358 in 2007. I think validPointer was copied from validAlignment some time later, but it definitely wasn't used in the first commit that contained it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298458
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Matt Arsenault [Tue, 21 Mar 2017 22:28:48 +0000 (22:28 +0000)]
AMDGPU: Remove hasSideEffects from SI_RETURN_TO_EPILOG
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298454
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Tim Northover [Tue, 21 Mar 2017 22:22:05 +0000 (22:22 +0000)]
GlobalISel: respect BooleanContents when extending i1.
The world isn't just x86 & ARM, some targets need to store -1 into the byte
when legalizing a bool store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298453
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Matt Arsenault [Tue, 21 Mar 2017 22:18:10 +0000 (22:18 +0000)]
AMDGPU: Rename SI_RETURN
This is used for a specific type of return to a shader part's
epilog code. Rename to try avoiding confusion from a true
call's return.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298452
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Matthias Braun [Tue, 21 Mar 2017 21:58:08 +0000 (21:58 +0000)]
SplitKit: Fix subreg copy related problems
Fix two problems related to r298025:
- SplitKit would create duplicate VNIs in some cases leading to crashs
when hoisting copies.
- VirtRegMap could fail expanding copies at the beginning of a basic
block.
This fixes http://llvm.org/PR32353
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298448
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Matt Arsenault [Tue, 21 Mar 2017 21:39:51 +0000 (21:39 +0000)]
AMDGPU: Mark all unspecified CC functions in tests as amdgpu_kernel
Currently the default C calling convention functions are treated
the same as compute kernels. Make this explicit so the default
calling convention can be changed to a non-kernel.
Converted with perl -pi -e 's/define void/define amdgpu_kernel void/'
on the relevant test directories (and undoing in one place that actually
wanted a non-kernel).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298444
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Zachary Turner [Tue, 21 Mar 2017 21:23:57 +0000 (21:23 +0000)]
Revert "Improve StringMap iterator support."
This is causing crashes in clang, so reverting until the problem
is figured out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298440
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Tim Northover [Tue, 21 Mar 2017 21:12:04 +0000 (21:12 +0000)]
GlobalISel: widen booleans by zero-extending to a byte.
A bool is represented by a single byte, which the ARM ABI requires to be either
0 or 1. So we cannot use G_ANYEXT when legalizing the type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298439
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Zachary Turner [Tue, 21 Mar 2017 20:41:51 +0000 (20:41 +0000)]
Fix clang errors caused by StringMap iterator changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298437
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Zachary Turner [Tue, 21 Mar 2017 20:27:36 +0000 (20:27 +0000)]
Improve StringMap iterator support.
StringMap's iterators did not support LLVM's
iterator_facade_base, which made it unusable in various
STL algorithms or with some of our range adapters.
This patch makes both StringMapConstIterator as well as
StringMapIterator support iterator_facade_base.
With this in place, it is easy to make an iterator adapter
that iterates over only keys, and whose value_type is
StringRef. So I add StringMapKeyIterator as well, and
provide the method StringMap::keys() that returns a
range that can be iterated.
Differential Revision: https://reviews.llvm.org/D31171
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298436
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Zachary Turner [Tue, 21 Mar 2017 20:21:56 +0000 (20:21 +0000)]
Remove eol-style:native from StringMap.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298435
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Sanjay Patel [Tue, 21 Mar 2017 20:14:38 +0000 (20:14 +0000)]
[InstCombine] regenerate checks; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298432
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George Burgess IV [Tue, 21 Mar 2017 20:08:59 +0000 (20:08 +0000)]
Let llvm.objectsize be conservative with null pointers
This adds a parameter to @llvm.objectsize that makes it return
conservative values if it's given null.
This fixes PR23277.
Differential Revision: https://reviews.llvm.org/D28494
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298430
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Dehao Chen [Tue, 21 Mar 2017 19:55:36 +0000 (19:55 +0000)]
Do not inline hot callsites for samplepgo in thinlto compile phase.
Summary: Because SamplePGO passes will be invoked twice in ThinLTO build: once at compile phase, the other at backend. We want to make sure the IR at the 2nd phase matches the hot part in profile, thus we do not want to inline hot callsites in the first phase.
Reviewers: tejohnson, eraman
Reviewed By: tejohnson
Subscribers: mehdi_amini, llvm-commits, Prazek
Differential Revision: https://reviews.llvm.org/D31201
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298428
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Zachary Turner [Tue, 21 Mar 2017 19:35:05 +0000 (19:35 +0000)]
[ADT] Add a version of llvm::join() that takes a range.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298427
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Coby Tayree [Tue, 21 Mar 2017 19:31:55 +0000 (19:31 +0000)]
[X86][MS-compatability][llvm] allow MS TYPE/SIZE/LENGTH operators as a part of a compound expression
This patch introduces X86AsmParser with the ability to handle the aforementioned ops within compound "MS" arithmetical expressions.
Currently - only supported as a stand alone Operand, e.g.:
"TYPE X"
now allowed :
"4 + TYPE X * 128"
Clang side: https://reviews.llvm.org/D31174
Differential Revision: https://reviews.llvm.org/D31173
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298425
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Davide Italiano [Tue, 21 Mar 2017 19:17:23 +0000 (19:17 +0000)]
[X86] Remove extra semicolon to placate GCC. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298423
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Artyom Skrobov [Tue, 21 Mar 2017 18:39:41 +0000 (18:39 +0000)]
[ARM] Recommit the glueless lowering of addc/adde in Thumb1,
including the amended (no UB anymore) fix for adding/subtracting -
2147483648.
This reverts r298328 "[ARM] Revert r297443 and r297820."
and partially reverts r297842 "Revert "[Thumb1] Fix the bug when adding/subtracting -
2147483648""
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298417
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Zachary Turner [Tue, 21 Mar 2017 18:31:08 +0000 (18:31 +0000)]
Delete eol-style:native SVN property.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298415
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Dehao Chen [Tue, 21 Mar 2017 17:22:35 +0000 (17:22 +0000)]
Use ProfileSummary:getProfileCount to get ScaledCount for ModuleSummary
Summary: ModuleSummary should use the standard interface of ProfileSummary::getProfileCount.
Reviewers: eraman, tejohnson
Reviewed By: tejohnson
Subscribers: tejohnson, mehdi_amini, llvm-commits
Differential Revision: https://reviews.llvm.org/D31154
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298404
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Adrian Prantl [Tue, 21 Mar 2017 17:14:30 +0000 (17:14 +0000)]
Revert 298388 and 298389 because they broke some AMDGPU tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298401
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Krzysztof Parzyszek [Tue, 21 Mar 2017 17:09:27 +0000 (17:09 +0000)]
Recommit r298282 with fixes for memory allocation/deallocation
[Hexagon] Recognize polynomial-modulo loop idiom again
Regain the ability to recognize loops calculating polynomial modulo
operation. This ability has been lost due to some changes in the
preceding optimizations. Add code to preprocess the IR to a form
that the pattern matching code can recognize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298400
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Reid Kleckner [Tue, 21 Mar 2017 17:05:00 +0000 (17:05 +0000)]
Fix RST docs AttributeList heading underline
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298398
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Marek Olsak [Tue, 21 Mar 2017 17:00:39 +0000 (17:00 +0000)]
AMDGPU: Buffer descriptor changes for GFX9
Reviewers: arsenm
Subscribers: qcolombet, kzhuravl, wdng, nhaehnle, yaxunl, tony-tye, dstuttard, tpr
Differential Revision: https://reviews.llvm.org/D31158
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298397
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Marek Olsak [Tue, 21 Mar 2017 17:00:32 +0000 (17:00 +0000)]
AMDGPU: Always use VGPR indexing on GFX9
Reviewers: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, tony-tye, dstuttard, tpr
Differential Revision: https://reviews.llvm.org/D31157
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298396
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Krzysztof Parzyszek [Tue, 21 Mar 2017 16:59:40 +0000 (16:59 +0000)]
[Hexagon] Add -march=hexagon to a testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298395
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Reid Kleckner [Tue, 21 Mar 2017 16:57:19 +0000 (16:57 +0000)]
Rename AttributeSet to AttributeList
Summary:
This class is a list of AttributeSetNodes corresponding the function
prototype of a call or function declaration. This class used to be
called ParamAttrListPtr, then AttrListPtr, then AttributeSet. It is
typically accessed by parameter and return value index, so
"AttributeList" seems like a more intuitive name.
Rename AttributeSetImpl to AttributeListImpl to follow suit.
It's useful to rename this class so that we can rename AttributeSetNode
to AttributeSet later. AttributeSet is the set of attributes that apply
to a single function, argument, or return value.
Reviewers: sanjoy, javed.absar, chandlerc, pete
Reviewed By: pete
Subscribers: pete, jholewinski, arsenm, dschuff, mehdi_amini, jfb, nhaehnle, sbc100, void, llvm-commits
Differential Revision: https://reviews.llvm.org/D31102
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298393
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Matt Arsenault [Tue, 21 Mar 2017 16:42:50 +0000 (16:42 +0000)]
AMDGPU: Fix not including v2i16/v2f16 in register class
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298390
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Adrian Prantl [Tue, 21 Mar 2017 16:37:39 +0000 (16:37 +0000)]
Don't compose DWARF expressions with multiple subregisters.
If a register location can only be described by a complex expression
(i.e., multiple subregisters) it doesn't safely compose with another
complex expression. For example, it is not possible to apply a
DW_OP_deref operation to multiple DW_OP_pieces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298389
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Adrian Prantl [Tue, 21 Mar 2017 16:37:35 +0000 (16:37 +0000)]
DwarfExpression: Defer emitting DWARF register operations
until the rest of the expression is known.
This is still an NFC refactoring in preparation of a subsequent bugfix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298388
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Matt Arsenault [Tue, 21 Mar 2017 16:32:17 +0000 (16:32 +0000)]
AMDGPU: Fix asserting on 0 dmask for image intrinsics
Fold these to undef during lowering so users get eliminated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298387
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Matt Arsenault [Tue, 21 Mar 2017 16:24:12 +0000 (16:24 +0000)]
AMDGPU: Convert image intrinsic uses in tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298386
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Matt Arsenault [Tue, 21 Mar 2017 16:20:16 +0000 (16:20 +0000)]
DAG: Fold bitcast/extract_vector_elt of undef to undef
Fixes not eliminating store when intrinsic is lowered to undef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298385
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Simon Pilgrim [Tue, 21 Mar 2017 15:12:53 +0000 (15:12 +0000)]
Fix shufpd test name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298381
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Sanne Wouda [Tue, 21 Mar 2017 14:59:17 +0000 (14:59 +0000)]
[ARM] [Assembler] Support negative immediates for A32, T32 and T16
Summary:
To support negative immediates for certain arithmetic instructions, the
instruction is converted to the inverse instruction with a negated (or inverted)
immediate. For example, "ADD r0, r1, #
FFFFFFFF" cannot be encoded as an ADD
instruction. However, "SUB r0, r1, #1" is equivalent.
These conversions are different from instruction aliases. An alias maps
several assembler instructions onto one encoding. A conversion, however, maps
an *invalid* instruction--e.g. with an immediate that cannot be represented in
the encoding--to a different (but equivalent) instruction.
Several instructions with negative immediates were being converted already, but
this was not systematically tested, nor did it cover all instructions.
This patch implements all possible substitutions for ARM, Thumb1 and
Thumb2 assembler and adds tests. It also adds a feature flag
(-mattr=+no-neg-immediates) to turn these substitutions off. This is
helpful for users who want their code to assemble to exactly what they
wrote.
Reviewers: t.p.northover, rovka, samparker, javed.absar, peter.smith, rengolin
Reviewed By: javed.absar
Subscribers: aadg, aemerson, llvm-commits
Differential Revision: https://reviews.llvm.org/D30571
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298380
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Yi Kong [Tue, 21 Mar 2017 14:49:19 +0000 (14:49 +0000)]
Test commit access
Remove some trailing whitespaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298379
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Sanjay Patel [Tue, 21 Mar 2017 14:04:44 +0000 (14:04 +0000)]
[InstCombine] auto-generate better checks; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298377
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Sanjay Patel [Tue, 21 Mar 2017 13:50:33 +0000 (13:50 +0000)]
[x86] use PMOVMSK for vector-sized equality comparisons
We could do better by splitting any oversized type into whatever vector size the target supports,
but I left that for future work if it ever comes up. The motivating case is memcmp() calls on 16-byte
structs, so I think we can wire that up with a TLI hook that feeds into this.
Differential Revision: https://reviews.llvm.org/D31156
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298376
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Simon Pilgrim [Tue, 21 Mar 2017 13:30:40 +0000 (13:30 +0000)]
[X86][AVX] Tests showing missing SHUFPD + ZERO lowering
This lowers to SHUFPD if the input is zeroinitializer but not with a demanded elts optimized build vector.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298370
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Valery Pykhtin [Tue, 21 Mar 2017 13:15:46 +0000 (13:15 +0000)]
[AMDGPU] Iterative scheduling infrastructure + minimal registry scheduler
Differential revision: https://reviews.llvm.org/D31046
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298368
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Volkan Keles [Tue, 21 Mar 2017 13:12:59 +0000 (13:12 +0000)]
[GlobalISel] Fix shufflevector tests
clang-lld-x86_64-2stage fails because of the order
of the instructions. `CHECK-DAG` directives should
fix the problem.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298367
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Sam Kolton [Tue, 21 Mar 2017 12:51:34 +0000 (12:51 +0000)]
[ADMGPU] SDWA peephole optimization pass.
Summary:
First iteration of SDWA peephole.
This pass tries to combine several instruction into one SDWA instruction. E.g. it converts:
'''
V_LSHRREV_B32_e32 %vreg0, 16, %vreg1
V_ADD_I32_e32 %vreg2, %vreg0, %vreg3
V_LSHLREV_B32_e32 %vreg4, 16, %vreg2
'''
Into:
'''
V_ADD_I32_sdwa %vreg4, %vreg1, %vreg3 dst_sel:WORD_1 dst_unused:UNUSED_PAD src0_sel:WORD_1 src1_sel:DWORD
'''
Pass structure:
1. Iterate over machine instruction in basic block and try to apply "SDWA patterns" to each of them. SDWA patterns match machine instruction into either source or destination SDWA operand. E.g. ''' V_LSHRREV_B32_e32 %vreg0, 16, %vreg1''' is matched to source SDWA operand '''%vreg1 src_sel:WORD_1'''.
2. Iterate over found SDWA operands and find instruction that could be potentially coverted into SDWA. E.g. for source SDWA operand potential instruction are all instruction in this basic block that uses '''%vreg0'''
3. Iterate over all potential instructions and check if they can be converted into SDWA.
4. Convert instructions to SDWA.
This review contains basic implementation of SDWA peephole pass. This pass requires additional testing fot both correctness and performance (no performance testing done).
There are several ways this pass can be improved:
1. Make this pass work on whole function not only basic block. As I can see this can be done right now without changes to pass.
2. Introduce more SDWA patterns
3. Introduce mnemonics to limit when SDWA patterns should apply
Reviewers: vpykhtin, alex-t, arsenm, rampitec
Subscribers: wdng, nhaehnle, mgorny
Differential Revision: https://reviews.llvm.org/D30038
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298365
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Andrea Di Biagio [Tue, 21 Mar 2017 11:36:21 +0000 (11:36 +0000)]
[DebugInfo][X86] Teach Optimize LEAs pass to handle debug values
This patch fixes an issue in the Optimize LEAs pass where redundant LEAs were
not removed because they were being used by debug values. The debug values are
now ignored when determining whether LEAs are redundant.
For now the debug values for the redundant LEAs are marked as undefined,
effectively lost. The intention is for a follow up patch which will attempt to
preserve the debug values where possible.
Patch by Andrew Ng.
Differential Revision: https://reviews.llvm.org/D30835
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298360
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Artur Pilipenko [Tue, 21 Mar 2017 11:32:15 +0000 (11:32 +0000)]
NFC. InstCombiner::visitFAdd extract LHSIntVal/RHSIntVal local variables
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298359
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Volkan Keles [Tue, 21 Mar 2017 10:47:35 +0000 (10:47 +0000)]
[GlobalISel] Move isTriviallyDead to Utils. NFC.
Make it accessible by the targets to avoid code duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298358
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Jonas Paulsson [Tue, 21 Mar 2017 10:24:14 +0000 (10:24 +0000)]
[DAGTypeLegalizer] Handle widening truncate to vector of i1.
Previously, PromoteIntRes_TRUNCATE() did not handle the case where
the operand needs widening, which resulted in llvm_unreachable().
This patch adds the needed handling, along with a test case.
Review: Eli Friedman, Simon Pilgrim.
https://reviews.llvm.org/D31077
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298357
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David Green [Tue, 21 Mar 2017 10:17:39 +0000 (10:17 +0000)]
[ConstantFolding] Fix to prevent constant folding having to repeatedly scan operands. NFCI
After the loop unroll threshold was increased in r295538, very
large constant expressions can be created. This prevents them
from having to be recursively scanned, leading to a compile
time blow-up.
Differential Revision: https://reviews.llvm.org/D30689
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298356
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Volkan Keles [Tue, 21 Mar 2017 08:44:13 +0000 (08:44 +0000)]
[GlobalISel] Translate shufflevector
Reviewers: qcolombet, aditya_nandakumar, t.p.northover, javed.absar, ab, dsanders
Reviewed By: javed.absar
Subscribers: dberris, rovka, llvm-commits, kristof.beyls
Differential Revision: https://reviews.llvm.org/D30962
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298347
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Craig Topper [Tue, 21 Mar 2017 07:18:00 +0000 (07:18 +0000)]
[APFloat] Tag the fltSemantic getter functions with LLVM_READNONE.
This gives about an 8k reduction in the size of the opt binary on my local x86-64 build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298344
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Craig Topper [Tue, 21 Mar 2017 06:19:46 +0000 (06:19 +0000)]
[APInt] Add LLVM_READONLY to some methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298342
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Jonas Paulsson [Tue, 21 Mar 2017 05:49:40 +0000 (05:49 +0000)]
[SystemZ] Don't drop MO flags in foldMemoryOperandImpl()
The def operand of the new LG/LD should have the old def operands
flags and subreg index.
New test: test/CodeGen/SystemZ/fold-memory-op-impl.ll
Review: Ulrich Weigand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298341
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Serge Pavlov [Tue, 21 Mar 2017 04:03:24 +0000 (04:03 +0000)]
Fix evaluation of LLVM_DEFINITIONS
CMake variable LLVM_DEFINITIONS collects preprocessor definitions provided
for host compiler that builds llvm components. A function
add_llvm_definitions was introduced in AddLLVMDefinitions.cmake to keep
track of these definitions and was intended to be a replacement for CMake
command add_definitions. Actually in many cases add_definitions is still
used and the content of LLVM_DEFINITIONS is not actual now. On the other
hand the current version of CMake allows getting set of definitions in a
more convenient way. This fix implements evaluation of the variable by
reading corresponding cmake property.
Differential Revision: https://reviews.llvm.org/D31125
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298336
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Vitaly Buka [Tue, 21 Mar 2017 00:59:51 +0000 (00:59 +0000)]
Revert "[Hexagon] Recognize polynomial-modulo loop idiom again"
Fix memory leaks on check-llvm tests detected by Asan.
This reverts commit r298282.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298329
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Eli Friedman [Tue, 21 Mar 2017 00:26:39 +0000 (00:26 +0000)]
[ARM] Revert r297443 and r297820.
The glueless lowering of addc/adde in Thumb1 has known serious
miscompiles (see https://reviews.llvm.org/D31081), and r297820
causes an infinite loop for certain constructs. It's not
clear when they will be fixed, so let's just take them out
of the tree for now.
(I resolved a small conflict with r297453.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298328
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Zachary Turner [Mon, 20 Mar 2017 23:55:20 +0000 (23:55 +0000)]
[Support] Fill the file_status struct with link count.
Differential Revision: https://reviews.llvm.org/D31110
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298326
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Zachary Turner [Mon, 20 Mar 2017 23:33:18 +0000 (23:33 +0000)]
Add a function to MD5 a file's contents.
In doing so, clean up the MD5 interface a little. Most
existing users only care about the lower 8 bytes of an MD5,
but for some users that care about the upper and lower,
there wasn't a good interface. Furthermore, consumers
of the MD5 checksum were required to handle endianness
details on their own, so it seems reasonable to abstract
this into a nicer interface that just gives you the right
value.
Differential Revision: https://reviews.llvm.org/D31105
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298322
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Vadzim Dambrouski [Mon, 20 Mar 2017 22:59:57 +0000 (22:59 +0000)]
[ARM] Fix PR32130: Handle promotion of zero sized constants.
The special case of zero sized values was previously not handled correctly.
This patch handles this by not promoting if the size is zero.
Patch by Tim Neumann.
Differential Revision: https://reviews.llvm.org/D31116
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298320
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Sanjay Patel [Mon, 20 Mar 2017 22:15:40 +0000 (22:15 +0000)]
[x86] add tests for setcc of i128/i256; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298317
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Matt Arsenault [Mon, 20 Mar 2017 21:59:24 +0000 (21:59 +0000)]
InstCombine: Check source value precision when reducing cast intrinsic
Missed this check when porting from the libcall version.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298312
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Tim Northover [Mon, 20 Mar 2017 21:58:23 +0000 (21:58 +0000)]
GlobalISel: add implicit defs & uses when mutating an instruction.
Otherwise a scheduler might do bad things to the code we produce.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298311
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Adrian Prantl [Mon, 20 Mar 2017 21:35:09 +0000 (21:35 +0000)]
Replace uses of DwarfExpression::addMachineReg* with addMachineRegExpression
and mark the methods as protected.
Besides reducing the surface area of DwarfExpression, this is in
preparation for an upcoming bugfix in the DwarfExpression
implementation, for which it will be necessary to defer emitting
register operations until the rest of the expression is known.
NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298309
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Adrian Prantl [Mon, 20 Mar 2017 21:34:19 +0000 (21:34 +0000)]
Make implementation details in DwarfExpression protected. (NFC)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298308
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Evgeniy Stepanov [Mon, 20 Mar 2017 20:35:37 +0000 (20:35 +0000)]
[Fuchsia] Use %gs for ABI slots under -mcmodel=kernel
Make x86_64-fuchsia targets under -mcmodel=kernel use %gs rather
than %fs to access ABI slots for stack-protector and safe-stack
Patch by Roland McGrath.
Differential Revision: https://reviews.llvm.org/D30870
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298302
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Eli Friedman [Mon, 20 Mar 2017 20:25:46 +0000 (20:25 +0000)]
[SCEV] Fix trip multiple calculation
If loop bound containing calculations like min(a,b), the Scalar
Evolution API getSmallConstantTripMultiple returns
4294967295 "-1"
as the trip multiple. The problem is that, SCEV use -1 * umax to
represent umin. The multiple constant -1 was returned, and the logic
of guarding against huge trip counts was skipped. Because -1 has 32
active bits.
The fix attempt to factor more general cases. First try to get the
greatest power of two divisor of trip count expression. In case
overflow happens, the trip count expression is still divisible by the
greatest power of two divisor returned. Returns 1 if not divisible by 2.
Patch by Huihui Zhang <huihuiz@codeaurora.org>
Differential Revision: https://reviews.llvm.org/D30840
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298301
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David L. Jones [Mon, 20 Mar 2017 20:10:30 +0000 (20:10 +0000)]
[X86] Clean up test/CodeGen/X86/2006-03-01-InstrSchedBug.ll
Summary:
- Migrated from grep to FileCheck.
- Re-indented, removed boilerplate comments.
- Added 'entry' label at beginning of basic block.
Patch by Jorge Gorbe!
Reviewed By: RKSimon
Subscribers: RKSimon, jgorbe, llvm-commits
Differential Revision: https://reviews.llvm.org/D30317
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298298
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Zachary Turner [Mon, 20 Mar 2017 19:56:52 +0000 (19:56 +0000)]
Explicitly add move constructor/assignment operators.
These are needed due to some obscure rules in the standard
about how std::vector selects between copy and move
constructors, which can cause a conforming implementation
to attempt to select the copy constructor of RuleMatcher,
which will fail since std::unique_ptr<> isn't copyable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298294
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Nirav Dave [Mon, 20 Mar 2017 19:48:22 +0000 (19:48 +0000)]
Add test case for merging of chained stores of mismatched type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298293
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Kevin Enderby [Mon, 20 Mar 2017 19:46:55 +0000 (19:46 +0000)]
Add the rest of the error checking for Mach-O dyld compact bind entry errors
and test cases for each of the error checks.
To do this more plumbing was needed so that the segment indexes and
segment offsets can be checked. Basically what was done was the SegInfo
from llvm-objdump’s MachODump.cpp was moved into libObject for Mach-O
objects as BindRebaseSegInfo and it is only created when an iterator for
bind or rebase entries are created.
This commit really only adds the error checking and test cases for the
bind table entires and the checking for the lazy bind and weak bind entries
are still to be fully done as well as the rebase entires. Though some of
the plumbing for those are added with this commit. Those other error
checks and test cases will be added in follow on commits.
Note, the two llvm_unreachable() calls should now actually be unreachable
with the error checks in place and would take a logic bug in the error
checking code to be reached if the segment indexes and segment
offsets are used from a checked bind entry. Comments have been added
to the methods that require the arguments to have been checked
prior to calling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298292
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Evgeniy Stepanov [Mon, 20 Mar 2017 18:45:34 +0000 (18:45 +0000)]
Revert r298158.
Revert "[asan] Fix dead stripping of globals on Linux."
OOM in gold linker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298288
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Simon Pilgrim [Mon, 20 Mar 2017 18:33:23 +0000 (18:33 +0000)]
Fixed include order. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298286
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Peter Collingbourne [Mon, 20 Mar 2017 18:19:41 +0000 (18:19 +0000)]
Try using llvm::errc, should hopefully fix version mismatch problem on clang-s390x-linux bot.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298285
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Krzysztof Parzyszek [Mon, 20 Mar 2017 18:12:58 +0000 (18:12 +0000)]
[Hexagon] Recognize polynomial-modulo loop idiom again
Regain the ability to recognize loops calculating polynomial modulo
operation. This ability has been lost due to some changes in the
preceding optimizations. Add code to preprocess the IR to a form
that the pattern matching code can recognize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298282
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Konstantin Zhuravlyov [Mon, 20 Mar 2017 18:06:45 +0000 (18:06 +0000)]
[AMDGPU] Run always inliner early in opt
Differential Revision: https://reviews.llvm.org/D31141
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298281
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Daniel Berlin [Mon, 20 Mar 2017 18:04:19 +0000 (18:04 +0000)]
Add missing updated test from VN coercion changes. Instructions were renamed. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298280
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David Blaikie [Mon, 20 Mar 2017 18:01:07 +0000 (18:01 +0000)]
Fix UB found by -Wtautological-undefined-compare
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298279
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Jonathan Roelofs [Mon, 20 Mar 2017 17:49:36 +0000 (17:49 +0000)]
Mention that the Sphinx docs build wants version 1.5 or later
`misc.highlighting_failure` support was added to `suppress_warnings` in that
version, and the warnings-as-errors docs build relies on it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298277
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Reid Kleckner [Mon, 20 Mar 2017 17:45:59 +0000 (17:45 +0000)]
[WinEH] Adjust decision to emit SEH moves for leaf functions
Move the check for "MF->hasWinCFI()" up into the calculation of the
shouldEmitMoves boolean, rather than putting it in the early returning
if. This ensures that endFunction doesn't try to emit .seh_* directives
for leaf functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298276
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Tim Northover [Mon, 20 Mar 2017 16:52:08 +0000 (16:52 +0000)]
GlobalISel: allow quad-precision values to be dumped.
Otherwise the fallback path fails with an assertion on AAPCS AArch64 targets,
when "long double" is encountered.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298273
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Peter Collingbourne [Mon, 20 Mar 2017 16:41:57 +0000 (16:41 +0000)]
Support, LTO: When pruning a directory, ignore files matching a prefix.
This is a safeguard against data loss if the user specifies a directory
that is not a cache directory. Teach the existing cache pruning clients
to create files with appropriate names.
Differential Revision: https://reviews.llvm.org/D31109
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298271
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Dehao Chen [Mon, 20 Mar 2017 16:40:44 +0000 (16:40 +0000)]
Updates branch_weights annotation for call instructions during inlining.
Summary: Inliner should update the branch_weights annotation to scale it to proper value.
Reviewers: davidxl, eraman
Reviewed By: eraman
Subscribers: zzheng, llvm-commits
Differential Revision: https://reviews.llvm.org/D30767
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298270
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Adrian Prantl [Mon, 20 Mar 2017 16:39:41 +0000 (16:39 +0000)]
Use isa<> instead of dyn_cast<> (NFC).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298268
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David Blaikie [Mon, 20 Mar 2017 16:35:33 +0000 (16:35 +0000)]
Avoid potential ADL ambiguity between llvm::make_unique and std::make_unique (when building as C++14+)
Patch by Moritz Kiefer!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298266
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Dmitry Preobrazhensky [Mon, 20 Mar 2017 16:33:20 +0000 (16:33 +0000)]
[AMDGPU][MC] Fix for Bugs 28201, 28199, 28170 + LIT tests
This fix enables sp3 abs modifier with constants
Reviewers: artem.tamazov
Differential Revision: https://reviews.llvm.org/D30825
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298265
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Craig Topper [Mon, 20 Mar 2017 16:31:14 +0000 (16:31 +0000)]
[InstCombine] Print a debug message when we constant fold an operand during worklist creation
InstCombine tries to constant fold instruction operands during worklist building, but we don't print that we're doing this.
We also set a change flag here that causes us to rebuild and rerun the worklist one more time even if processing the worklist itself created no additional changes. So in the log I saw two inst combine runs that visited all instructions without printing that anything was changed. I may be submitting another patch to remove the change flag unless I can find some reason why we should be doing that.
Differential Revision: https://reviews.llvm.org/D31091
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298264
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Jessica Paquette [Mon, 20 Mar 2017 16:25:04 +0000 (16:25 +0000)]
[Outliner] ACTUALLY remove the errs output
I don't know how to type. This fixes the last commit which would have made all
of the overflows legal, and kept the screaming.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298263
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Daniel Berlin [Mon, 20 Mar 2017 16:08:29 +0000 (16:08 +0000)]
Templatize parts of VNCoercion, and add constant-only versions of the functions to be used in NewGVN.
NFCI.
Summary:
This is ground work for the changes to enable coercion in NewGVN.
GVN doesn't care if they end up constant because it eliminates as it goes.
NewGVN cares.
IRBuilder and ConstantFolder deliberately present the same interface,
so we use this to our advantage to templatize our functions to make
them either constant only or not.
Reviewers: davide
Subscribers: llvm-commits, Prazek
Differential Revision: https://reviews.llvm.org/D30928
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298262
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Jessica Paquette [Mon, 20 Mar 2017 15:51:45 +0000 (15:51 +0000)]
[Outliner] Remove output for offset range check
Forgot to remove some output before committing last time. (Instruction fixups
don't actually overflow anywhere in the test suite so far, so I missed it).
To prevent the outliner from screaming "Overflow!" in the event that that
does happen, this commit removes that output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298260
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Daniel Sanders [Mon, 20 Mar 2017 15:20:42 +0000 (15:20 +0000)]
[tablegen][globalisel] Capture instructions into locals and related infrastructure for multiple instructions matches.
Summary:
Prepare the way for nested instruction matching support by having actions
like CopyRenderer look up operands in the RuleMatcher rather than a
specific InstructionMatcher. This allows actions to reference any operand
from any matched instruction.
It works by checking the 'shape' of the match and capturing
each matched instruction to a local variable. If the shape is wrong
(not enough operands, leaf nodes where non-leafs are expected, etc.), then
the rule exits early without checking the predicates. Once we've captured
the instructions, we then test the predicates as before (except using the
local variables). If the match is successful, then we render the new
instruction as before using the local variables.
It's not noticable in this patch but by the time we support multiple
instruction matching, this patch will also cause a significant improvement
to readability of the emitted code since
MRI.getVRegDef(I->getOperand(0).getReg()) will simply be MI1 after
emitCxxCaptureStmts().
This isn't quite NFC because I've also fixed a bug that I'm surprised we
haven't encountered yet. It now checks there are at least the expected
number of operands before accessing them with getOperand().
Depends on D30531
Reviewers: t.p.northover, qcolombet, aditya_nandakumar, ab, rovka
Reviewed By: rovka
Subscribers: dberris, kristof.beyls, llvm-commits
Differential Revision: https://reviews.llvm.org/D30535
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298257
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Dmitry Preobrazhensky [Mon, 20 Mar 2017 14:50:35 +0000 (14:50 +0000)]
[AMDGPU][MC] Fix for Bugs 28200, 28202 + LIT tests
Fixed several related issues with VOP3 fp modifiers.
Reviewers: artem.tamazov
Differential Revision: https://reviews.llvm.org/D30821
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298255
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Diana Picus [Mon, 20 Mar 2017 14:40:18 +0000 (14:40 +0000)]
[GlobalISel] Use the correct calling conv for calls
This commit adds a parameter that lets us pass in the calling convention
of the call to CallLowering::lowerCall. This allows us to handle
situations where the calling convetion of the callee is different from
that of the caller.
Differential Revision: https://reviews.llvm.org/D31039
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298254
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Simon Pilgrim [Mon, 20 Mar 2017 14:40:12 +0000 (14:40 +0000)]
Use MutableArrayRef for APFloat::convertToInteger
As discussed on D31074, use MutableArrayRef for destination integer buffers to help assert before stack overflows happen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298253
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Maxim Ostapenko [Mon, 20 Mar 2017 14:06:04 +0000 (14:06 +0000)]
[sancov] Fix broken links and displaced coloring in coverage-report-server.py
This patch fixes two issues:
* Fixed relative links to source files
* Enumeration of lines in source files starts from 1 instead of 0 to
align with .symcov files generated by sancov -symbolize
Patch by Dmitiriy Nikiforov.
Differential Revision: https://reviews.llvm.org/D31038
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298250
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Simon Pilgrim [Mon, 20 Mar 2017 13:55:35 +0000 (13:55 +0000)]
Strip trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298249
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Simon Pilgrim [Mon, 20 Mar 2017 13:54:44 +0000 (13:54 +0000)]
Strip trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298248
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Simon Pilgrim [Mon, 20 Mar 2017 13:53:59 +0000 (13:53 +0000)]
Strip trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298247
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Konstantin Zhuravlyov [Mon, 20 Mar 2017 09:26:08 +0000 (09:26 +0000)]
Revert "[AMDGPU] Run always inliner early in opt"
This reverts commit r297958, it breaks device-libs build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298239
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Craig Topper [Mon, 20 Mar 2017 06:40:39 +0000 (06:40 +0000)]
[IR] Move a few static functions in Instruction class inline.
They just check for certain opcodes and opcode enums are available in Instruction.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298237
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