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r298604 | niravd | 2017-03-23 11:01:50 -0400 (Thu, 23 Mar 2017) | 14 lines
[SDAG] Fix zeroExtend assertion error
Move CombineTo preventing deleted node from being returned in
visitZERO_EXTEND.
Fixes PR32284.
Reviewers: RKSimon, bogner
Reviewed By: RKSimon
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D31254
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llvm-svn: 300979
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r296698 | rnk | 2017-03-01 17:41:12 -0500 (Wed, 01 Mar 2017) | 10 lines
[Constant Hoisting] Avoid inserting instructions before EH pads
Now that terminators can be EH pads, this code needs to iterate over the
immediate dominators of the EH pad to find a valid insertion point.
Fix for PR32107
Patch by Robert Olliff!
Differential Revision: https://reviews.llvm.org/D30511
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llvm-svn: 299670
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r298705 | tstellar | 2017-03-24 12:13:18 -0400 (Fri, 24 Mar 2017) | 11 lines
stable-merge-request.sh: Add a script for submitting merge requests via bugzilla
Summary:
This script will automatically create a new stable merge request bug in
bugzilla for the given svn revision and release number.
Reviewers: hans
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D30905
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llvm-svn: 299455
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r298551 | kzhuravl | 2017-03-22 17:48:18 -0400 (Wed, 22 Mar 2017) | 4 lines
[AMDGPU] Fix bug 31610
Differential Revision: https://reviews.llvm.org/D31258
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llvm-svn: 299441
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Avoid printing optimization remarks from llc unless they are enabled.
Fixes http://llvm.org/PR32184
llvm-svn: 299409
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r299347 | ctopper | 2017-04-02 20:51:57 -0700 (Sun, 02 Apr 2017) | 1 line
[AVX-512] Fix a couple more intrinsic macros I missed in r299346.
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llvm-svn: 299405
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r299346 | ctopper | 2017-04-02 20:41:29 -0700 (Sun, 02 Apr 2017) | 3 lines
[AVX-512] Fix some intrinsic macros that use the wrong macro parameter names and don't have parentheses around them.
Thanks to Matthew Barr for reporting this issue.
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llvm-svn: 299404
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llvm-svn: 298635
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llvm-svn: 297204
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llvm-svn: 297203
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r297075 | hans | 2017-03-06 13:10:40 -0800 (Mon, 06 Mar 2017) | 1 line
Disable gvn-hoist (PR32153)
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llvm-svn: 297165
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r296992 | sanjoy | 2017-03-05 15:49:17 -0800 (Sun, 05 Mar 2017) | 7 lines
[SCEV] Decrease the recursion threshold for CompareValueComplexity
Fixes PR32142.
r287232 accidentally increased the recursion threshold for
CompareValueComplexity from 2 to 32. This change reverses that change
by introducing a separate flag for CompareValueComplexity's threshold.
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llvm-svn: 297164
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llvm-svn: 297097
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llvm-svn: 297090
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llvm-svn: 296804
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r296656 | bruno | 2017-03-01 11:18:42 -0800 (Wed, 01 Mar 2017) | 34 lines
[PCH] Avoid VarDecl emission attempt if no owning module avaiable
This is a stopgap fix for PR31863, a regression introduced in r276159.
Consider this snippet:
struct FVector;
struct FVector {};
struct FBox {
FVector Min;
FBox(int);
};
namespace {
FBox InvalidBoundingBox(0);
}
While parsing the DECL_VAR for 'struct FBox', clang recursively read all the
dep decls until it finds the DECL_CXX_RECORD forward declaration for 'struct
FVector'. Then, it resumes all the way up back to DECL_VAR handling in
`ReadDeclRecord`, where it checks if `isConsumerInterestedIn` for the decl.
One of the condition for `isConsumerInterestedIn` to return false is if the
VarDecl is imported from a module `D->getImportedOwningModule()`, because it
will get emitted when we import the relevant module. However, before checking
if it comes from a module, clang checks if `Ctx.DeclMustBeEmitted(D)`, which
triggers the emission of 'struct FBox'. Since one of its fields is still
incomplete, it crashes.
Instead, check if `D->getImportedOwningModule()` is true before calling
`Ctx.DeclMustBeEmitted(D)`.
Differential Revision: https://reviews.llvm.org/D29753
rdar://problem/30173654
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llvm-svn: 296762
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r296642 | hans | 2017-03-01 09:15:08 -0800 (Wed, 01 Mar 2017) | 5 lines
[GVNHoist] Don't hoist unsafe scalars at -Oz (PR31729)
Based on Aditya Kumar's patch:
Differential Revision: https://reviews.llvm.org/D29092
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llvm-svn: 296761
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llvm-svn: 296633
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llvm-svn: 296587
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llvm-svn: 296509
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r296093 | ctopper | 2017-02-23 22:38:24 -0800 (Thu, 23 Feb 2017) | 1 line
[ExecutionDepsFix] Use range-based for loop. NFC
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r296260 | ctopper | 2017-02-25 10:12:25 -0800 (Sat, 25 Feb 2017) | 18 lines
[ExecutionDepsFix] Don't make copies of LiveReg objects when collecting operands for soft instructions
Summary:
While collecting operands we make copies of the LiveReg objects which are stored in the LiveRegs array. If the instruction uses the same register multiple times we end up with multiple copies. Later we iterate through the collected list of LiveReg objects and merge DomainValues. In the process of doing this the merge function can change the contents of the original LiveReg object in the LiveRegs array, but not the copies that have been made. So when we get to the second usage of the register we end up seeing a stale copy of the LiveReg object.
To fix this I've stopped copying and now just store a pointer to the original LiveReg object. Another option might be to avoid adding the same register to the Regs array twice, but this approach seemed simpler.
The included test case exposes this bug due to an AVX-512 masked OR instruction using the same register for the passthru operand and one of the inputs to the OR operation.
Fixes PR30284.
Reviewers: RKSimon, stoklund, MatzeB, spatel, myatsina
Reviewed By: RKSimon
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D30242
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llvm-svn: 296380
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r296358 | aadg | 2017-02-27 09:33:20 -0800 (Mon, 27 Feb 2017) | 8 lines
Add libcxxabi's LICENSE.TXT to libunwind.
When libunwind was spinned off libcxxabi, most file were copied from
libcxxabi to libunwind. However, libc++abi's toplevel LICENSE.TXT was
forgotten in the copying. It's considered a good practice to have the
license file at the root of the project, and making linunwind a separate
project was not supposed to change its licensing. Besides, several
header files refer to the LICENSE.TXT, so copy the one from libc++abi.
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r296359 | aadg | 2017-02-27 09:47:58 -0800 (Mon, 27 Feb 2017) | 1 line
Fix the project name in the license file.
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llvm-svn: 296364
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r295116 | dim | 2017-02-14 14:49:49 -0800 (Tue, 14 Feb 2017) | 18 lines
Disable wrapping llvm-xray YAML output
Summary:
The YAML output produced by llvm-xray is supposed to be wrapped at the
arbitrary default of 70 columns set by `yaml:Output`. Unfortunately,
the wrapping is rather unpredictable, and can easily go past the set
number of columns, depending on the execution environment.
To make the YAML output environment-independent, disable wrapping
instead.
Reviewers: dberris
Reviewed By: dberris
Subscribers: fhahn, llvm-commits
Differential Revision: https://reviews.llvm.org/D29962
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llvm-svn: 296357
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llvm-svn: 296340
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llvm-svn: 296204
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llvm-svn: 296203
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llvm-svn: 296202
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llvm-svn: 296200
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llvm-svn: 296199
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llvm-svn: 296197
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llvm-svn: 296195
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llvm-svn: 296194
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llvm-svn: 296192
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llvm-svn: 296191
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llvm-svn: 296189
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r288115 | abataev | 2016-11-29 09:21:14 +0100 (Tue, 29 Nov 2016) | 8 lines
[SLPVectorizer] Improved support of partial tree vectorization.
Currently SLP vectorizer tries to vectorize a binary operation and dies
immediately after unsuccessful the first unsuccessfull attempt. Patch
tries to improve the situation, trying to vectorize all binary
operations of all children nodes in the binop tree.
Differential Revision: https://reviews.llvm.org/D25517
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llvm-svn: 296185
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r295990 | jvesely | 2017-02-23 08:12:21 -0800 (Thu, 23 Feb 2017) | 5 lines
AMDGPU/SI: Fix trunc i16 pattern
Hit on ASICs that support 16bit instructions.
Differential Revision: https://reviews.llvm.org/D30281
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llvm-svn: 296158
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r296003 | mcrosier | 2017-02-23 10:49:03 -0800 (Thu, 23 Feb 2017) | 32 lines
[Reassociate] Add negated value of negative constant to the Duplicates list.
In OptimizeAdd, we scan the operand list to see if there are any common factors
between operands that can be factored out to reduce the number of multiplies
(e.g., 'A*A+A*B*C+D' -> 'A*(A+B*C)+D'). For each operand of the operand list, we
only consider unique factors (which is tracked by the Duplicate set). Now if we
find a factor that is a negative constant, we add the negated value as a factor
as well, because we can percolate the negate out. However, we mistakenly don't
add this negated constant to the Duplicates set.
Consider the expression A*2*-2 + B. Obviously, nothing to factor.
For the added value A*2*-2 we over count 2 as a factor without this change,
which causes the assert reported in PR30256. The problem is that this code is
assuming that all the multiply operands of the add are already reassociated.
This change avoids the issue by making OptimizeAdd tolerate multiplies which
haven't been completely optimized; this sort of works, but we're doing wasted
work: we'll end up revisiting the add later anyway.
Another possible approach would be to enforce RPO iteration order more strongly.
If we have RedoInsts, we process them immediately in RPO order, rather than
waiting until we've finished processing the whole function. Intuitively, it
seems like the natural approach: reassociation works on expression trees, so
the optimization only works in one direction. That said, I'm not sure how
practical that is given the current Reassociate; the "optimal" form for an
expression depends on its use list (see all the uses of "user_back()"), so
Reassociate is really an iterative optimization of sorts, so any changes here
would probably get messy.
PR30256
Differential Revision: https://reviews.llvm.org/D30228
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llvm-svn: 296156
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r293604 | sammccall | 2017-01-30 21:23:20 -0800 (Mon, 30 Jan 2017) | 12 lines
In VirtualCallChecker, handle indirect calls
Summary:
In VirtualCallChecker, handle indirect calls.
getDirectCallee() can be nullptr, and dyn_cast(nullptr) is UB
Reviewers: bkramer
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D29303
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llvm-svn: 296154
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r296063 | hans | 2017-02-23 17:16:34 -0800 (Thu, 23 Feb 2017) | 4 lines
Revert r291477 "[Frontend] Correct values of ATOMIC_*_LOCK_FREE to match builtin"
It caused PR31864. There is a patch in progress to fix that, but let's
revert in the meantime.
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llvm-svn: 296152
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r295474 | hahnfeld | 2017-02-17 10:32:58 -0800 (Fri, 17 Feb 2017) | 6 lines
[OpenMP] Fix cancellation point in task with no cancel
With tasks, the cancel may happen in another task. This has a different
region info which means that we can't find it here.
Differential Revision: https://reviews.llvm.org/D30091
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llvm-svn: 296151
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llvm-svn: 296150
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r296030 | hans | 2017-02-23 14:29:00 -0800 (Thu, 23 Feb 2017) | 7 lines
Revert r282872 "CVP. Turn marking adds as no wrap on by default"
While not CVP's fault, this caused miscompiles (PR31181). Reverting
until those are resolved.
(This also reverts the follow-ups r288154 and r288161 which removed the
flag.)
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llvm-svn: 296148
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r295474 | hahnfeld | 2017-02-17 10:32:58 -0800 (Fri, 17 Feb 2017) | 6 lines
[OpenMP] Fix cancellation point in task with no cancel
With tasks, the cancel may happen in another task. This has a different
region info which means that we can't find it here.
Differential Revision: https://reviews.llvm.org/D30091
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llvm-svn: 296139
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r295762 | eugenis | 2017-02-21 12:17:34 -0800 (Tue, 21 Feb 2017) | 3 lines
Fix PR31896.
Address of an alias of a global with offset is incorrectly lowered as an address of the global (i.e. ignoring offset).
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llvm-svn: 296002
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r295843 | jvesely | 2017-02-22 07:01:42 -0800 (Wed, 22 Feb 2017) | 3 lines
[OpenCL] r600 needs OpenCL kernel calling convention
Differential Revision: https://reviews.llvm.org/D30236
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llvm-svn: 296001
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r295473 | hahnfeld | 2017-02-17 10:32:51 -0800 (Fri, 17 Feb 2017) | 13 lines
[OpenMP] Remove barriers at cancel and cancellation point
This resolves a deadlock with the cancel directive when there is no explicit
cancellation point. In that case, the implicit barrier acts as cancellation
point. After removing the barrier after cancel, the now unmatched barrier for
the explicit cancellation point has to go as well.
This has probably worked before rL255992: With the calls for the explicit
barrier, it was sure that all threads passed a barrier before exiting.
Reported by Simon Convent and Joachim Protze!
Differential Revision: https://reviews.llvm.org/D30088
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llvm-svn: 296000
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Support lowering AEABI TLS access (__aeabi_read_tp) with long calls.
This requires adjusting the call sequence to use an indirect call to get
full addressability.
Resolves PR31769!
By Saleem Abdulrasool!
llvm-svn: 295910
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r294954 | chapuni | 2017-02-13 06:59:53 -0800 (Mon, 13 Feb 2017) | 5 lines
Fix r291495 -- Normalize LLVM_CMAKE_PATH in clang standalone build.
CMake handles paths with slashes. It caused cmake/install failure on msbuild.exe.
Note, Other llvm-config-oriented variables have been normalized since they are stored in the cache attributed with PATH.
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r295592 | chapuni | 2017-02-18 19:17:31 -0800 (Sat, 18 Feb 2017) | 1 line
clang/CMakeLists.txt: Rework r294954 -- use file(TO_CMAKE_PATH).
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llvm-svn: 295760
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r295610 | brad | 2017-02-19 11:33:26 -0800 (Sun, 19 Feb 2017) | 4 lines
Link static PIE programs against rcrt0.o on OpenBSD
Patch by Stefan Kempf.
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llvm-svn: 295752
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