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David Majnemer [Fri, 25 Dec 2015 09:37:26 +0000 (09:37 +0000)]
[CodeGen] Use generic printAsOperand machinery instead of hand rolling it
We already know how to properly print out basic blocks in
printAsOperand, we should not roll it ourselves in
AsmPrinter::EmitBasicBlockStart. No functionality change is intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256413
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Craig Topper [Fri, 25 Dec 2015 04:06:20 +0000 (04:06 +0000)]
[IR] Mark the Type subclass helper methods 'inline' and move their definitions to DerivedTypes.h so they can be inlined by the compiler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256406
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Craig Topper [Fri, 25 Dec 2015 02:04:17 +0000 (02:04 +0000)]
[Transforms] Use asserts instead of ifs around llvm_unreachable. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256405
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Dan Gohman [Fri, 25 Dec 2015 00:31:02 +0000 (00:31 +0000)]
[WebAssembly] Fix handling of COPY instructions in WebAssemblyRegStackify.
Move RegStackify after coalescing and teach it to use LiveIntervals instead
of depending on SSA form. This avoids a problem where a register in a COPY
instruction is stackified and then subsequently coalesced with a register
that is not stackified.
This also puts it after the scheduler, which allows us to simplify the
EXPR_STACK constraint, as we no longer have instructions being reordered
after stackification and before coloring.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256402
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Sanjay Patel [Thu, 24 Dec 2015 21:17:56 +0000 (21:17 +0000)]
[InstCombine] transform more extract/insert pairs into shuffles (PR2109)
This is an extension of the shuffle combining from r203229:
http://reviews.llvm.org/rL203229
The idea is to widen a short input vector with undef elements so the
existing shuffle transform for extract/insert can kick in.
The motivation is to finally solve PR2109:
https://llvm.org/bugs/show_bug.cgi?id=2109
For that example, the IR becomes:
%1 = bitcast <2 x i32>* %P to <2 x float>*
%ld1 = load <2 x float>, <2 x float>* %1, align 8
%2 = shufflevector <2 x float> %ld1, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
%i2 = shufflevector <4 x float> %A, <4 x float> %2, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
ret <4 x float> %i2
And x86 SSE output improves from:
movq (%rdi), %xmm1 ## xmm1 = mem[0],zero
movdqa %xmm1, %xmm2
shufps $229, %xmm2, %xmm2 ## xmm2 = xmm2[1,1,2,3]
shufps $48, %xmm0, %xmm1 ## xmm1 = xmm1[0,0],xmm0[3,0]
shufps $132, %xmm1, %xmm0 ## xmm0 = xmm0[0,1],xmm1[0,2]
shufps $32, %xmm0, %xmm2 ## xmm2 = xmm2[0,0],xmm0[2,0]
shufps $36, %xmm2, %xmm0 ## xmm0 = xmm0[0,1],xmm2[2,0]
retq
To the almost optimal:
movhpd (%rdi), %xmm0
Note: There's a tension in the existing transform related to generating
arbitrary shufflevector masks. We avoid that in other places in InstCombine
because we're scared that codegen can't handle strange masks, but it looks
like we're ok with producing those here. I purposely chose weird insert/extract
indexes for the regression tests to see the effect in these cases.
For PowerPC+Altivec, AArch64, and X86+SSE/AVX, I think the codegen is equal or
better for these examples.
Differential Revision: http://reviews.llvm.org/D15096
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256394
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Dave Bartolomeo [Thu, 24 Dec 2015 19:17:54 +0000 (19:17 +0000)]
Fix signed/unsigned warning in Line.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256390
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Dave Bartolomeo [Thu, 24 Dec 2015 19:15:56 +0000 (19:15 +0000)]
Remove unused constants from TypeTableBuilder.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256389
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Bill Seurer [Thu, 24 Dec 2015 18:54:35 +0000 (18:54 +0000)]
Fix case of path name
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256388
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Dave Bartolomeo [Thu, 24 Dec 2015 18:51:35 +0000 (18:51 +0000)]
Fix CodeView library name and non-CMake builds
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256387
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Dave Bartolomeo [Thu, 24 Dec 2015 18:25:54 +0000 (18:25 +0000)]
Fix initializer order warning in TypeRecord.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256386
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Dave Bartolomeo [Thu, 24 Dec 2015 18:12:38 +0000 (18:12 +0000)]
LLVM CodeView library
Summary: This diff is the initial implementation of the LLVM CodeView library. There is much more work to be done, namely a CodeView dumper and tests. This patch should help others make progress on the LLVM->CodeView debug info emission while I continue with the implementation of the dumper and tests.
This library implements support for emitting debug info in the CodeView format. This phase of the implementation only includes support for CodeView type records. Clients that need to emit type records will use a class derived from TypeTableBuilder. TypeTableBuilder provides member functions for writing each kind of type record; each of these functions eventually calls the writeRecord virtual function to emit the actual bits of the record. Derived classes override writeRecord to implement the folding of duplicate records and the actual emission to the appropriate destination. LLVMCodeView provides MemoryTypeTableBuilder, which creates the table in memory. In the future, other classes derived from TypeTableBuilder will write to other destinations, such as the type stream in a PDB.
The rest of the types in LLVMCodeView define the actual CodeView type records and all of the supporting enums and other types used in the type records. The TypeIndex class is of particular interest, because it is used by clients as a handle to a type in the type table.
The library provides a relatively low-level interface based on the actual on-disk format of CodeView. For example, type records refer to other type records by TypeIndex, rather than by an actual pointer to the referent record. This allows clients to emit type records one at a time, rather than having to keep the entire transitive closure of type records in memory until everything has been emitted. At some point, having a higher-level interface layered on top of this one may be useful for debuggers and other tools that want a more holistic view of the debug info. The lower-level interface should be sufficient for compilers and linkers to do the debug info manipulation that they need to do efficiently.
Reviewers: rnk, majnemer
Subscribers: silvas, rnk, jevinskie, llvm-commits
Differential Revision: http://reviews.llvm.org/D14961
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256385
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Marina Yatsina [Thu, 24 Dec 2015 12:09:51 +0000 (12:09 +0000)]
[X86][ms-inline asm] Add support for memory operands that include structs
Add ability to reference struct symbols in memory operands.
Test case will be added on the clang side (review http://reviews.llvm.org/D15749)
Differential Revision: http://reviews.llvm.org/D15748
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256381
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Benjamin Kramer [Thu, 24 Dec 2015 10:03:37 +0000 (10:03 +0000)]
[ProfileData] Make helper function static.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256375
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Benjamin Kramer [Thu, 24 Dec 2015 10:03:35 +0000 (10:03 +0000)]
[FunctionImport] Move pass into anonymous namespace.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256374
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Chandler Carruth [Thu, 24 Dec 2015 09:08:08 +0000 (09:08 +0000)]
Add a missing const qualifier on the context instruction. This somehow
has always been missing. =/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256371
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Asaf Badouh [Thu, 24 Dec 2015 08:25:00 +0000 (08:25 +0000)]
[X86][PKU] Add {RD,WR}PKRU encoding
Differential Revision: http://reviews.llvm.org/D15711
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256366
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Elena Demikhovsky [Thu, 24 Dec 2015 08:12:22 +0000 (08:12 +0000)]
AVX-512: Kreg set 0/1 optimization
The patterns that set a mask register to 0/1
KXOR %kn, %kn, %kn / KXNOR %kn, %kn, %kn
are replaced with
KXOR %k0, %k0, %kn / KXNOR %k0, %k0, %kn - AVX-512 targets optimization.
KNL does not recognize dependency-breaking idioms for mask registers,
so kxnor %k1, %k1, %k2 has a RAW dependence on %k1.
Using %k0 as the undef input register is a performance heuristic based
on the assumption that %k0 is used less frequently than the other mask
registers, since it is not usable as a write mask.
Differential Revision: http://reviews.llvm.org/D15739
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256365
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Igor Breger [Thu, 24 Dec 2015 07:11:53 +0000 (07:11 +0000)]
AVX512: VPMOVM2B/W/D/Q intrinsic implementation.
Differential Revision: http://reviews.llvm.org//D15747
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256364
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Craig Topper [Thu, 24 Dec 2015 05:20:40 +0000 (05:20 +0000)]
Use range-based for loops. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256363
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Matt Arsenault [Thu, 24 Dec 2015 05:14:55 +0000 (05:14 +0000)]
AMDGPU: Fix getRegisterBitWidth for vectors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256362
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Nico Weber [Thu, 24 Dec 2015 04:01:06 +0000 (04:01 +0000)]
Revert r256336, it caused PR25939
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256361
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Tom Stellard [Thu, 24 Dec 2015 03:18:18 +0000 (03:18 +0000)]
AMDGPU/SI: Fix encoding of flat instructions on VI
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D15735
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256360
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Tom Stellard [Thu, 24 Dec 2015 02:41:55 +0000 (02:41 +0000)]
AMDGPU/SI: Remove non-existent flat instructions
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D15734
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256357
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David Majnemer [Thu, 24 Dec 2015 02:31:20 +0000 (02:31 +0000)]
Address Sanjoy's review comments to r256326
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256356
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JF Bastien [Wed, 23 Dec 2015 23:56:13 +0000 (23:56 +0000)]
WebAssembly: remove 'external' from test
Summary: Linker testing was sad at seeing an unresolved external symbol. For now don't do that: it's valid but we're not playing with multi-file linking yet, and the LLVM tests are used as hacky sanity tests for single-file linking (the GCC torture tests are much better for this purpose). Another solution would be to use '.extern' to make the intent explicit (don't simple-file link this, there's an unresolved symbol), some assemblers use '.extern' while others ignore it, so we wouldn't really be inventing anything new.
Reviewers: sunfish, kripken
Subscribers: jfb, llvm-commits, dschuff
Differential Revision: http://reviews.llvm.org/D15753
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256353
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Philip Reames [Wed, 23 Dec 2015 23:44:28 +0000 (23:44 +0000)]
[Statepoints] Use Indirect operands for spill slots
Teach the statepoint lowering code to emit Indirect stackmap entries for spill inserted by StatepointLowering (i.e. SelectionDAG), but Direct stackmap entries for in-IR allocas which represent manual stack slots. This is what the docs call for (http://llvm.org/docs/StackMaps.html#stack-map-format), but we've been emitting both as Direct. This was pointed out recently on the mailing list as a bug. It also blocks http://reviews.llvm.org/D15632 which extends the lowering to handle vector-of-pointers since only Indirect references can encode a variable sized slot.
To implement this, I introduced a new flag on the StackObject class used to maintian information about stack slots. I original considered (and prototyped in http://reviews.llvm.org/D15632), the idea of using the existing isSpillSlot flag, but end up deciding that was a bit too risky and that the cost of adding a new flag was low. Having the new flag will also allow us - in the future - to emit better comments in verbose assembly which indicate where a particular stack spill around a call comes from. (deopt, gc, regalloc).
Differential Revision: http://reviews.llvm.org/D15759
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256352
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Adrian Prantl [Wed, 23 Dec 2015 21:51:13 +0000 (21:51 +0000)]
llvm-dwarfdump: Add support for dumping .dSYM bundles.
This replicates the logic of Darwin dwarfdump for manually opening up
.dSYM bundles without introducing any new dependencies.
<rdar://problem/
20491670>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256350
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Davide Italiano [Wed, 23 Dec 2015 19:29:34 +0000 (19:29 +0000)]
[llvm-readobj] Use stderr and not stdout for error messages.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256347
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Philip Reames [Wed, 23 Dec 2015 19:16:04 +0000 (19:16 +0000)]
[MemOperands] Clarify code around dropping memory operands [NFC]
Clarify a comment about what it means to drop memory operands from an instruction. While I'm adding change the name of the method slightly to make it a bit more clear what's going on when reading calling code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256346
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Keno Fischer [Wed, 23 Dec 2015 18:27:23 +0000 (18:27 +0000)]
[Function] Properly remove use when clearing personality
Summary:
We need to actually remove the use of the personality function,
otherwise we can run into trouble if we want to e.g. delete
the personality function because ther's no way to get rid of
its uses. Do this by resetting to ConstantPointerNull value
that the operands are set to when first allocated.
Reviewers: vsk, dexonsmith
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D15752
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256345
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JF Bastien [Wed, 23 Dec 2015 18:18:53 +0000 (18:18 +0000)]
Fix SCEV r256338.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256344
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Sanjoy Das [Wed, 23 Dec 2015 17:48:14 +0000 (17:48 +0000)]
[SCEV] Fix getLoopBackedgeTakenCounts
The way `getLoopBackedgeTakenCounts` is written right now isn't
correct. It will try to compute and store the BE counts of a Loop
#{child loop} number of times (which may be zero).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256338
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Chad Rosier [Wed, 23 Dec 2015 17:29:33 +0000 (17:29 +0000)]
[LIR] General refactoring to simplify code and the ease future code review.
Move several checks into isLegalStores. Also, delineate between those stores
that are memset-able and those that are memcpy-able.
http://reviews.llvm.org/D15683
Patch by Haicheng Wu <haicheng@codeaurora.org>!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256336
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Philip Reames [Wed, 23 Dec 2015 17:05:57 +0000 (17:05 +0000)]
[MachineLICM] Fix handling of memoperands
As far as I can tell, the correct interpretation of an empty memoperands list is that we didn't have sufficient room to store information about the MachineInstr, NOT that the MachineInstr doesn't access any particular bit of memory. This appears to be fairly consistent in a number of places, but I'm not 100% sure of this interpretation. I'd really appreciate someone more knowledgeable confirming my reading of the code.
This patch fixes two latent bugs in MachineLICM - given the above assumption - and adds comments to document the meaning and required handling. I don't have test cases; these were noticed by inspection.
Differential Revision: http://reviews.llvm.org/D15730
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256335
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Simon Pilgrim [Wed, 23 Dec 2015 13:10:07 +0000 (13:10 +0000)]
[X86][AVX] Only shuffle the lower half of vectors if the upper half is undefined
First step towards making better use of AVX's implicit zeroing of the upper half of a 256-bit vector by instructions that only act on the lower 128-bit vector - discussed on D14151.
As well as the fact that 128-bit shuffle instructions are generally more capable, this can be performant for older CPUs with 128-bit ALUs (e.g. Jaguar, Sandy Bridge) that must treat 256-bit vectors as multiple micro-ops.
Moved the similar subvector extraction shuffle combines from PerformShuffleCombine256 to lowerVectorShuffle as well.
Note: I've avoided combining shuffles that reference elements from the upper halves of the input vectors - this may be reviewed in future work as well (AVX1 would probably always gain, but AVX2 does have some cross-lane shuffle instructions).
Differential Revision: http://reviews.llvm.org/D15477
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256332
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David Majnemer [Wed, 23 Dec 2015 09:58:46 +0000 (09:58 +0000)]
[OperandBundles] Have GlobalsModRef play nice with operand bundles
A call site's use of a Value might not correspond to an argument
operand but to a bundle operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256329
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David Majnemer [Wed, 23 Dec 2015 09:58:43 +0000 (09:58 +0000)]
[OperandBundles] Have TailCallElim play nice with operand bundles
A call site's use of a Value might not correspond to an argument
operand but to a bundle operand.
This fixes PR25928.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256328
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David Majnemer [Wed, 23 Dec 2015 09:58:41 +0000 (09:58 +0000)]
[OperandBundles] Have InstCombine play nice with operand bundles
Don't assume a call's use corresponds to an argument operand, it might
correspond to a bundle operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256327
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David Majnemer [Wed, 23 Dec 2015 09:58:36 +0000 (09:58 +0000)]
[OperandBundles] Have DeadArgElim play nice with operand bundles
A call site's use of a Value might not correspond to an argument
operand but to a bundle operand.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256326
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Igor Breger [Wed, 23 Dec 2015 08:06:50 +0000 (08:06 +0000)]
AVX512BW: Enable packed word shift for 512bit vector. Enable lowering scalar immidiate shift v64i8 .Fix predicate for AVX1/2 shifts.
Differential Revision: http://reviews.llvm.org/D15713
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256324
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David Majnemer [Wed, 23 Dec 2015 03:59:04 +0000 (03:59 +0000)]
[WinEH] Don't visit the same catchswitch twice
We visited the same catchswitch twice because it was both the child of
another funclet and the predecessor of a cleanuppad.
Instead, change the numbering algorithm to only recurse if the unwind
destination of the inner funclet agrees with the unwind destination of
the catchswitch.
This fixes PR25926.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256317
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Nico Weber [Wed, 23 Dec 2015 02:38:31 +0000 (02:38 +0000)]
win: Pass /W4 in front of all the -wd flags.
This should fix many many -Wunused-parameter warnings in self-host builds on
Windows after r255382. cl.exe doesn't care about the order of /W4 and
/wd flags, but clang-cl currently does (just like -Wno-foo -Wall order
matters for clang). We might want to change how clang-cl behaves in
the future, but until then this change makes self-host builds much more
silent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256315
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Paul Robinson [Wed, 23 Dec 2015 01:57:31 +0000 (01:57 +0000)]
Form reform for MCDwarf.
MCDwarf emits a canned abbreviation table, but was not emitting proper
forms for DWARF version 4, which is the default after r249655.
Differential Revision: http://reviews.llvm.org/D15732
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256313
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Philip Reames [Wed, 23 Dec 2015 01:42:15 +0000 (01:42 +0000)]
[GC] Make GCStrategy::isGCManagedPointer a type predicate not a value predicate [NFC]
Reasons:
1) The existing form was a form of false generality. None of the implemented GCStrategies use anything other than a type. Its becoming more and more clear we're going to need some type of strong GC pointer in the type system and we shouldn't pretend otherwise at this point.
2) The API was awkward when applied to vectors-of-pointers. The old one could have been made to work, but calling isGCManagedPointer(Ty->getScalarType()) is much cleaner than the Value alternatives.
3) The rewriting implementation effectively assumes the type based predicate as well. We should be consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256312
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Nico Weber [Wed, 23 Dec 2015 01:04:53 +0000 (01:04 +0000)]
Unbreak LLVM_ENABLE_THREADS=OFF builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256308
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Dan Gohman [Wed, 23 Dec 2015 00:22:04 +0000 (00:22 +0000)]
[WebAssembly] Add a TODO comment for a possible future optimization.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256306
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Manuel Jacob [Wed, 23 Dec 2015 00:19:45 +0000 (00:19 +0000)]
[RS4GC] Fix base pair printing for constants.
Previously, "%" + name of the value was printed for each derived and base
pointer. This is correct for instructions, but wrong for e.g. globals.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256305
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Akira Hatanaka [Tue, 22 Dec 2015 23:57:37 +0000 (23:57 +0000)]
Provide a way to specify inliner's attribute compatibility and merging.
This reapplies r256277 with two changes:
- In emitFnAttrCompatCheck, change FuncName's type to std::string to fix
a use-after-free bug.
- Remove an unnecessary install-local target in lib/IR/Makefile.
Original commit message for r252949:
Provide a way to specify inliner's attribute compatibility and merging
rules using table-gen. NFC.
This commit adds new classes CompatRule and MergeRule to Attributes.td,
which are used to generate code to check attribute compatibility and
merge attributes of the caller and callee.
rdar://problem/
19836465
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256304
91177308-0d34-0410-b5e6-
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Cong Hou [Tue, 22 Dec 2015 23:45:55 +0000 (23:45 +0000)]
[BPI] Fix two potential divide-by-zero operations that are introduced in r256263.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256303
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 22 Dec 2015 23:45:49 +0000 (23:45 +0000)]
Disable use list order on the gold plugin.
It turns out that his is *really* slow. With this change the link of
clang with plugin-opt=emit-llvm goes from 41 to 26 seconds.
We can add an option to enable it again if needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256302
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Dan Gohman [Tue, 22 Dec 2015 23:45:21 +0000 (23:45 +0000)]
[WebAssembly] Trim unneeded #includes. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256301
91177308-0d34-0410-b5e6-
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Dan Gohman [Tue, 22 Dec 2015 23:39:16 +0000 (23:39 +0000)]
[WebAssembly] Minor code simplification. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256300
91177308-0d34-0410-b5e6-
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Dan Gohman [Tue, 22 Dec 2015 23:37:37 +0000 (23:37 +0000)]
Add an OperandNamespace field to Target.td's Operand.
For targets to add their own operand types as needed, as advertised in
Operand's comment, they need to be able to specify an alternate namespace
for OperandType names too. This matches the RegisterOperand class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256299
91177308-0d34-0410-b5e6-
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Vedant Kumar [Tue, 22 Dec 2015 23:12:41 +0000 (23:12 +0000)]
[unittest] Use Support/thread.h instead of <thread> (second try)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256292
91177308-0d34-0410-b5e6-
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Nico Weber [Tue, 22 Dec 2015 23:12:00 +0000 (23:12 +0000)]
lit: Limit number of processes on Windows to 32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256291
91177308-0d34-0410-b5e6-
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Vedant Kumar [Tue, 22 Dec 2015 23:09:08 +0000 (23:09 +0000)]
[unittest] Use Support/Thread.h instead of <thread> to fix the Windows build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256290
91177308-0d34-0410-b5e6-
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Changpeng Fang [Tue, 22 Dec 2015 20:55:23 +0000 (20:55 +0000)]
AMDGPU/SI: Use flat for global load/store when targeting HSA
Summary:
For some reason doing executing an MUBUF instruction with the addr64
bit set and a zero base pointer in the resource descriptor causes
the memory operation to be dropped when the shader is executed using
the HSA runtime.
This kind of MUBUF instruction is commonly used when the pointer is
stored in VGPRs. The base pointer field in the resource descriptor
is set to zero and and the pointer is stored in the vaddr field.
This patch resolves the issue by only using flat instructions for
global memory operations when targeting HSA. This is an overly
conservative fix as all other configurations of MUBUF instructions
appear to work.
NOTE: re-commit by fixing a failure in Codegen/AMDGPU/llvm.dbg.value.ll
Reviewers: tstellarAMD
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D15543
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256282
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Rafael Espindola [Tue, 22 Dec 2015 20:43:30 +0000 (20:43 +0000)]
Also add unnamed_addr to functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256281
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Akira Hatanaka [Tue, 22 Dec 2015 20:29:09 +0000 (20:29 +0000)]
Revert r256277 and r256279.
Some of the bots failed again.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256280
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Akira Hatanaka [Tue, 22 Dec 2015 20:06:50 +0000 (20:06 +0000)]
Add a .td file I forgot to add in r256277.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256279
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Akira Hatanaka [Tue, 22 Dec 2015 20:00:05 +0000 (20:00 +0000)]
Provide a way to specify inliner's attribute compatibility and merging.
This reapplies r252990 and r252949. I've added member function getKind
to the Attr classes which returns the enum or string of the attribute.
Original commit message for r252949:
Provide a way to specify inliner's attribute compatibility and merging
rules using table-gen. NFC.
This commit adds new classes CompatRule and MergeRule to Attributes.td,
which are used to generate code to check attribute compatibility and
merge attributes of the caller and callee.
rdar://problem/
19836465
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256277
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 22 Dec 2015 19:50:22 +0000 (19:50 +0000)]
Delete dead GlobalAliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256276
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Rafael Espindola [Tue, 22 Dec 2015 19:46:44 +0000 (19:46 +0000)]
Revert "AMDGPU/SI: Use flat for global load/store when targeting HSA"
This reverts commit r256273.
It broke CodeGen/AMDGPU/llvm.dbg.value.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256275
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Rafael Espindola [Tue, 22 Dec 2015 19:38:07 +0000 (19:38 +0000)]
Merge duplicated code.
The code for deleting dead global variables and functions was
duplicated.
This is in preparation for also deleting dead global aliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256274
91177308-0d34-0410-b5e6-
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Changpeng Fang [Tue, 22 Dec 2015 19:32:28 +0000 (19:32 +0000)]
AMDGPU/SI: Use flat for global load/store when targeting HSA
Summary:
For some reason doing executing an MUBUF instruction with the addr64
bit set and a zero base pointer in the resource descriptor causes
the memory operation to be dropped when the shader is executed using
the HSA runtime.
This kind of MUBUF instruction is commonly used when the pointer is
stored in VGPRs. The base pointer field in the resource descriptor
is set to zero and and the pointer is stored in the vaddr field.
This patch resolves the issue by only using flat instructions for
global memory operations when targeting HSA. This is an overly
conservative fix as all other configurations of MUBUF instructions
appear to work.
Reviewers: tstellarAMD
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D15543
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256273
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 22 Dec 2015 19:26:18 +0000 (19:26 +0000)]
Use early continue to reduce indentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256272
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Rafael Espindola [Tue, 22 Dec 2015 19:16:50 +0000 (19:16 +0000)]
Simplify iterator management. NFC.
Not passing an iterator to processGlobal will allow it to work with
other GlobalValues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256271
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Paul Robinson [Tue, 22 Dec 2015 18:59:02 +0000 (18:59 +0000)]
Add advice on choosing reviewers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256265
91177308-0d34-0410-b5e6-
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Cong Hou [Tue, 22 Dec 2015 18:56:14 +0000 (18:56 +0000)]
[BPI] Replace weights by probabilities in BPI.
This patch removes all weight-related interfaces from BPI and replace
them by probability versions. With this patch, we won't use edge weight
anymore in either IR or MC passes. Edge probabilitiy is a better
representation in terms of CFG update and validation.
Differential revision: http://reviews.llvm.org/D15519
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256263
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Manuel Jacob [Tue, 22 Dec 2015 18:44:45 +0000 (18:44 +0000)]
Remove deprecated llvm.experimental.gc.result.{int,float,ptr} intrinsics.
Summary:
These were deprecated 11 months ago when a generic
llvm.experimental.gc.result intrinsic, which works for all types, was added.
Reviewers: sanjoy, reames
Subscribers: sanjoy, chenli, llvm-commits
Differential Revision: http://reviews.llvm.org/D15719
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256262
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Vedant Kumar [Tue, 22 Dec 2015 17:36:17 +0000 (17:36 +0000)]
[Support] Allow multiple paired calls to {start,stop}Timer()
Differential Revision: http://reviews.llvm.org/D15619
Reviewed-by: rafael
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256258
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Manuel Jacob [Tue, 22 Dec 2015 16:50:44 +0000 (16:50 +0000)]
[RS4GC] Fix crash in the case that a live variable has a constant base.
Summary:
Previously, RS4GC crashed in CreateGCRelocates() because it assumed
that every base is also in the array of live variables, which isn't true if a
live variable has a constant base.
This change fixes the crash by making sure CreateGCRelocates() won't try to
relocate a live variable with a constant base. This would be unnecessary
anyway because anything with a constant base won't move.
Reviewers: reames
Subscribers: llvm-commits, sanjoy
Differential Revision: http://reviews.llvm.org/D15556
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256252
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Jun Bum Lim [Tue, 22 Dec 2015 16:36:16 +0000 (16:36 +0000)]
[AArch64] Promote loads from stored
This is a recommit of r256004 which was reverted in r256160. The issue was the
incorrect promotion for half and byte loads transformed into mov instructions.
This fix will replace half and byte type loads only with bit field extracts.
Original commit message:
This change promotes load instructions which directly read from stored by
replacing them with mov instructions. If the store is wider than the load,
the load will be replaced with a bitfield extract.
For example :
STRWui %W1, %X0, 1
%W0 = LDRHHui %X0, 3
becomes
STRWui %W1, %X0, 1
%W0 = UBFMWri %W1, 16, 31
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256249
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Chad Rosier [Tue, 22 Dec 2015 15:06:47 +0000 (15:06 +0000)]
Typo. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256242
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Asaf Badouh [Tue, 22 Dec 2015 11:40:04 +0000 (11:40 +0000)]
[X86][AVX512] Add rcp14 and rsqrt14 intrinsics
Differential Revision: http://reviews.llvm.org/D15414
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256237
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Keno Fischer [Tue, 22 Dec 2015 07:14:50 +0000 (07:14 +0000)]
[ASMPrinter] Fix missing handling of DW_OP_bit_piece
In r256077, I added printing for DIExpressions in DEBUG_VALUE comments,
but neglected to handle DW_OP_bit_piece operands. Thanks to
Mikael Holmen and Joerg Sonnenberger for spotting this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256236
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Kostya Serebryany [Tue, 22 Dec 2015 01:50:51 +0000 (01:50 +0000)]
[libFuzzer] add AFL-style dictionary for C++, remove the old file with tokens
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256229
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David Majnemer [Tue, 22 Dec 2015 01:39:04 +0000 (01:39 +0000)]
[MC] Don't use the architecture to govern which object file format to use
InitMCObjectFileInfo was trying to override the triple in awkward ways.
For example, a triple specifying COFF but not Windows was forced as ELF.
This makes it easy for internal invariants to get violated, such as
those which triggered PR25912.
This fixes PR25912.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256226
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Kostya Serebryany [Tue, 22 Dec 2015 01:18:49 +0000 (01:18 +0000)]
Partial fix for PR25912, see comment 13. Should fix the sanitizer bootstrap bot
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256225
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Teresa Johnson [Tue, 22 Dec 2015 01:17:19 +0000 (01:17 +0000)]
Handle empty Subprogram list when linking metadata.
Use an iterator that handles an empty subprogram list.
Fixes PR25915.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256224
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Easwaran Raman [Tue, 22 Dec 2015 00:32:35 +0000 (00:32 +0000)]
Determine callee's hotness and adjust threshold based on that. NFC.
This uses the same criteria used in CFE's CodeGenPGO to identify hot and cold
callees and uses values of inlinehint-threshold and inlinecold-threshold
respectively as the thresholds for such callees.
Differential Revision: http://reviews.llvm.org/D15245
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256222
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Evgeniy Stepanov [Tue, 22 Dec 2015 00:13:11 +0000 (00:13 +0000)]
[safestack] Add option for non-TLS unsafe stack pointer.
This patch adds an option, -safe-stack-no-tls, for using normal
storage instead of thread-local storage for the unsafe stack pointer.
This can be useful when SafeStack is applied to an operating system
kernel.
http://reviews.llvm.org/D15673
Patch by Michael LeMay.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256221
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Xinliang David Li [Tue, 22 Dec 2015 00:11:15 +0000 (00:11 +0000)]
[PGO] Fix another comdat related issue for COFF
The linker requires that a comdat section must be associated
with a another comdat section that precedes it. This
means the comdat section's name needs to use the profile name
var's name.
Patch tested by Johan Engelen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256220
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Vedant Kumar [Mon, 21 Dec 2015 23:41:38 +0000 (23:41 +0000)]
[Support] Timer: Use emplace_back() and range-based loops (NFC)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256217
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Vedant Kumar [Mon, 21 Dec 2015 23:27:44 +0000 (23:27 +0000)]
[Support] Timer: simplify the init() method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256215
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Dylan McKay [Mon, 21 Dec 2015 23:13:15 +0000 (23:13 +0000)]
[AVR] Added configuration file and machine function information class
This commit adds the 'AVRMachineFunctionInfo' class, which simply stores
basic properties about generated machine functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256213
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Eric Christopher [Mon, 21 Dec 2015 23:04:27 +0000 (23:04 +0000)]
Fix line endings after r256155. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256211
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Xinliang David Li [Mon, 21 Dec 2015 22:26:49 +0000 (22:26 +0000)]
Fix test case comment (NFC)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256206
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Evgeniy Stepanov [Mon, 21 Dec 2015 22:14:04 +0000 (22:14 +0000)]
[cfi] Fix LowerBitSets on 32-bit targets.
This code attempts to truncate IntPtrTy to i32, which may be the same
type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256205
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David Majnemer [Mon, 21 Dec 2015 22:09:27 +0000 (22:09 +0000)]
[MC, COFF] Support link /incremental conditionally
Today, we always take into account the possibility that object files
produced by MC may be consumed by an incremental linker. This results
in us initialing fields which vary with time (TimeDateStamp) which harms
hermetic builds (e.g. verifying a self-host went well) and produces
sub-optimal code because we cannot assume anything about the relative
position of functions within a section (call sites can get redirected
through incremental linker thunks).
Let's provide an MCTargetOption which controls this behavior so that we
can disable this functionality if we know a-priori that the build will
not rely on /incremental.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256203
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Jun Bum Lim [Mon, 21 Dec 2015 22:00:51 +0000 (22:00 +0000)]
Enhance BranchProbabilityInfo::calcUnreachableHeuristics for InvokeInst
This is recommit of r256028 with minor fixes in unittests:
CodeGen/Mips/eh.ll
CodeGen/Mips/insn-zero-size-bb.ll
Original commit message:
When identifying blocks post-dominated by an unreachable-terminated block
in BranchProbabilityInfo, consider only the edge to the normal destination
block if the terminator is InvokeInst and let calcInvokeHeuristics() decide
edge weights for the InvokeInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256202
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Xinliang David Li [Mon, 21 Dec 2015 21:52:27 +0000 (21:52 +0000)]
Resubmit r256193 with test fix: assertion failure analyzed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256201
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Xinliang David Li [Mon, 21 Dec 2015 21:00:33 +0000 (21:00 +0000)]
Revert r256193: build bot failure triggered
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256198
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Cong Hou [Mon, 21 Dec 2015 20:42:43 +0000 (20:42 +0000)]
[X86][SSE] Transform truncations between vectors of integers into X86ISD::PACKUS/PACKSS operations during DAG combine.
This patch transforms truncation between vectors of integers into
X86ISD::PACKUS/PACKSS operations during DAG combine. We don't do it in
lowering phase because after type legalization, the original truncation
will be turned into a BUILD_VECTOR with each element that is extracted
from a vector and then truncated, and from them it is difficult to do
this optimization. This greatly improves the performance of truncations
on some specific types.
Cost table is updated accordingly.
Differential revision: http://reviews.llvm.org/D14588
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256194
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Xinliang David Li [Mon, 21 Dec 2015 20:41:20 +0000 (20:41 +0000)]
[PGO] Fix profile var comdat generation problem with COFF
When targeting COFF, it is required that a comdat section to
have a global obj with the same name as the comdat (except for
comdats with select kind to be associative). This fix makes
sure that the comdat is keyed on the data variable for COFF.
Also improved test coverage for this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256193
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Michael Zolotukhin [Mon, 21 Dec 2015 20:38:18 +0000 (20:38 +0000)]
[ValueTracking] Properly handle non-sized types in isAligned function.
Reviewers: apilipenko, reames, sanjoy, hfinkel
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D15597
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256192
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Adrian Prantl [Mon, 21 Dec 2015 20:03:00 +0000 (20:03 +0000)]
Fix PR24563 (LiveDebugVariables unconditionally propagates all DBG_VALUEs)
LiveDebugVariables unconditionally propagates all DBG_VALUE down the
dominator tree, which happens to work fine if there already is another
DBG_VALUE or the DBG_VALUE happends to describe a single-assignment vreg
but is otherwise wrong if the DBG_VALUE is coming from only one of the
predecessors.
In r255759 we introduced a proper data flow analysis scheduled after
LiveDebugVariables that correctly propagates DBG_VALUEs across basic block
boundaries. With the new pass in place, the incorrect propagation in
LiveDebugVariables can be retired witout loosing any of the benefits
where LiveDebugVariables happened to do the right thing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256188
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Adrian Prantl [Mon, 21 Dec 2015 19:44:42 +0000 (19:44 +0000)]
Convert the CodeGen/ARM/sched-it-debug-nodes.ll testcase from IR -> MIR.
NFC
PR24563
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256187
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Adrian Prantl [Mon, 21 Dec 2015 19:25:03 +0000 (19:25 +0000)]
Teach ARMLoadStoreOptimizer to ignore DBG_VALUE instructions when merging
instructions.
As noted in PR24563.
rdar://problem/
23963293
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256183
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Kostya Serebryany [Mon, 21 Dec 2015 19:09:01 +0000 (19:09 +0000)]
fix leak in a test, make the sanitizer bot green
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@256179
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