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r278387 | marshall | 2016-08-11 11:46:24 -0700 (Thu, 11 Aug 2016) | 1 line

Remove test for the sign of a NaN - doesn't work on MIPS, not strictly legal. Fixes bug 28936
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llvm-svn: 278425

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r278413 | gberry | 2016-08-11 14:05:17 -0700 (Thu, 11 Aug 2016) | 17 lines

[SCEV] Update interface to handle SCEVExpander insert point motion.

Summary:
This is an extension of the fix in r271424.  That fix dealt with builder
insert points being moved by SCEV expansion, but only for the lifetime
of the expand call.  This change modifies the interface so that LSR can
safely call expand multiple times at the same insert point and do the
right thing if one of the expansions decides to move the original insert
point.

This is a fix for PR28719.

Reviewers: sanjoy

Subscribers: llvm-commits, mcrosier, mzolotukhin

Differential Revision: https://reviews.llvm.org/D23342
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llvm-svn: 278424

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r278370 | mkuper | 2016-08-11 10:38:33 -0700 (Thu, 11 Aug 2016) | 7 lines

Make TwoAddressInstructionPass::rescheduleMIBelowKill subreg-aware

This fixes PR28824.

Differential Revision: https://reviews.llvm.org/D23220


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llvm-svn: 278422

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r277522 | dcoughlin | 2016-08-02 14:07:23 -0700 (Tue, 02 Aug 2016) | 8 lines

[CFG] Fix crash finding destructor of lifetime-extended temporary.

Fix a crash under -Wthread-safety when finding the destructor for a
lifetime-extending reference.

A patch by Nandor Licker!

Differential Revision: https://reviews.llvm.org/D22419
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llvm-svn: 278376

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r276900 | epilk | 2016-07-27 11:25:10 -0700 (Wed, 27 Jul 2016) | 5 lines

[Sema] Teach getCurrentThisType to reconize lambda in in-class initializer

Fixes PR27994, a crash on valid.

Differential revision: https://reviews.llvm.org/D21145
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llvm-svn: 278374

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r276712 | eugenis | 2016-07-25 17:05:14 -0700 (Mon, 25 Jul 2016) | 3 lines

[safestack] Fix stack guard live range.

Stack guard slot is live throughout the function.
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llvm-svn: 278283

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r276676 | eugenis | 2016-07-25 12:25:40 -0700 (Mon, 25 Jul 2016) | 1 line

Fix invalid iterator use in safestack coloring.
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llvm-svn: 278281

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r278234 | joey | 2016-08-10 08:57:02 -0700 (Wed, 10 Aug 2016) | 5 lines

[OpenCL] Change block descriptor address space to constant.

The block descriptor is a GlobalVariable in the LLVM IR, so it shouldn't be
in the private address space.

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r278235 | joey | 2016-08-10 09:04:14 -0700 (Wed, 10 Aug 2016) | 2 lines

[OpenCL] Fix typo in test that I accidentally introduced in my previous commit.

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llvm-svn: 278248

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r276051 | arsenm | 2016-07-19 16:16:53 -0700 (Tue, 19 Jul 2016) | 8 lines

AMDGPU: Change fdiv lowering based on !fpmath metadata

If 2.5 ulp is acceptable, denormals are not required, and
isn't a reciprocal which will already be handled, replace
with a faster fdiv.

Simplify the lowering tests by using per function
subtarget features.
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r276823 | arsenm | 2016-07-26 16:25:44 -0700 (Tue, 26 Jul 2016) | 4 lines

AMDGPU: Use rcp for fdiv 1, x with fpmath metadata

Using rcp should be OK for safe math usually, so this
should not be replacing the original fdiv.
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llvm-svn: 278243

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r278139 | rnk | 2016-08-09 10:23:56 -0700 (Tue, 09 Aug 2016) | 6 lines

[clang-cl] Make -gline-tables-only imply -gcodeview

It's surprising that you have to pass /Z7 in addition to -gcodeview to
get debug info. The sanitizer runtime, for example, expects that if the
compiler supports the -gline-tables-only flag, then it will emit debug
info.
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llvm-svn: 278240

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r278002 | sbaranga | 2016-08-08 06:13:57 -0700 (Mon, 08 Aug 2016) | 18 lines

[AArch64] PR28877: Don't assume we're running after legalization when creating vcvtfp2fxs

Summary:
The DAG combine transformation that was generating the
aarch64_neon_vcvtfp2fxs node was assuming that all
inputs where legal and wasn't accounting that the input
could be a v4f64 if we're trying to do the transformation
before legalization. We now bail out in this case.

All illegal types besides v4f64 were already rejected.

Fixes https://llvm.org/bugs/show_bug.cgi?id=28877.

Reviewers: jmolloy

Subscribers: aemerson, rengolin, llvm-commits

Differential Revision: https://reviews.llvm.org/D23261
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llvm-svn: 278239

llvm-svn: 278175

llvm-svn: 278167

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r278133 | hans | 2016-08-09 09:46:02 -0700 (Tue, 09 Aug 2016) | 3 lines

test-release.sh: Drop autoconf support

The autoconf build was deleted some time ago.
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llvm-svn: 278134

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r278086 | matze | 2016-08-08 18:47:26 -0700 (Mon, 08 Aug 2016) | 6 lines

X86InstrInfo: Update liveness in classifyLea()

We need to update liveness information when we create COPYs in
classifyLea().

This fixes http://llvm.org/28301
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llvm-svn: 278128

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r278036 | dim | 2016-08-08 11:34:05 -0700 (Mon, 08 Aug 2016) | 18 lines

Fix linking of omp_foreign_thread_team_reuse test on FreeBSD

Summary:
On FreeBSD, linking the misc_bugs/omp_foreign_thread_team_reuse.c test
case fails with:

   /usr/local/bin/ld: /tmp/omp_foreign_thread_team_reuse-c5e71b.o: undefined reference to symbol 'pthread_create@@FBSD_1.0'

This is because the program is linked without `-lpthread`.  Since the
%libomp-compile-and-run macro does not allow that option to be added to
the compile command line, split it up and add the required `-lpthread`
between %libomp-compile and %libomp-run.

Reviewers: jlpeyton, hfinkel, Hahnfeld

Subscribers: Hahnfeld, emaste, openmp-commits

Differential Revision: https://reviews.llvm.org/D23084
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llvm-svn: 278059

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r277426 | nitesh.jain | 2016-08-02 00:18:07 -0700 (Tue, 02 Aug 2016) | 7 lines

[LLVM][MIPS] Add (D)SUBU, (D)ADDU, LUI instructions emulation . Fix emulation for (D)ADDIU, SD/SW and LW/LD instructions

Reviewers: clayborg, jaydeep, bhushan

Subscribers: mohit.bhakkad, slthakur, sdardis, lldb-commits

Differential Revision: https://reviews.llvm.org/D20357
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llvm-svn: 278047

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r277343 | nitesh.jain | 2016-08-01 06:45:51 -0700 (Mon, 01 Aug 2016) | 7 lines

[LLVM][MIPS] Fix FPU Size Based on Dynamic FR.

Reviewers: jingham, clayborg

Subscribers: jaydeep, bhushan, mohit.bhakkad, slthakur, lldb-commits, emaste, nemanjai, labath, sdardis

Differential Revision: https://reviews.llvm.org/D20357
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llvm-svn: 278046

llvm-svn: 278045

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r278030 | eugenezelenko | 2016-08-08 10:59:02 -0700 (Mon, 08 Aug 2016) | 4 lines

CMakeLists.txt cleanups: synchronize version with rest of LLVM, consistent spacing.

Differential revision: https://reviews.llvm.org/D23092

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llvm-svn: 278044

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r278029 | eugenezelenko | 2016-08-08 10:56:28 -0700 (Mon, 08 Aug 2016) | 4 lines

CMakeLists.txt cleanups: synchronize version and CMake minimum required version with rest of LLVM, consistent spacing.

Differential revision: https://reviews.llvm.org/D23094

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llvm-svn: 278043

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r277868 | compnerd | 2016-08-05 14:35:28 -0700 (Fri, 05 Aug 2016) | 4 lines

unwind: disable executable stacks

Similar to compiler-rt, ensure that we disable executable stacks for the custom
assembly.
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llvm-svn: 278023

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r277796 | rtrieu | 2016-08-04 19:39:30 -0700 (Thu, 04 Aug 2016) | 6 lines

Allow -1 to assign max value to unsigned bitfields.

Silence the -Wbitfield-constant-conversion warning for when -1 or other
negative values are assigned to unsigned bitfields, provided that the bitfield
is wider than the minimum number of bits needed to encode the negative value.

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r277797 | rtrieu | 2016-08-04 20:16:36 -0700 (Thu, 04 Aug 2016) | 7 lines

Fix crash in template type diffing.

When the type being diffed is a type alias, and the orginal type is not a
templated type, then there will be no unsugared TemplateSpecializationType.
When this happens, exit early from the constructor.  Also add assertions to
the other iterator accessor to prevent the iterator from being used.

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r277866 | rtrieu | 2016-08-05 14:02:34 -0700 (Fri, 05 Aug 2016) | 12 lines

Fix false positive in -Wunsequenced and templates.

For builtin logical operators, there is a well-defined ordering of argument
evaluation.  For overloaded operator of the same type, there is no argument
evaluation order, similar to other function calls.  When both are present,
uninstantiated templates with an operator&& is treated as an unresolved
function call.  Unresolved function calls are treated as normal function calls,
and may result in false positives when the builtin logical operator is used.
Have the unsequenced checker ignore dependent expressions to avoid this
false positive.  The check also happens in template instantiations to catch
when the overloaded operator is used.

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r277889 | rtrieu | 2016-08-05 16:24:47 -0700 (Fri, 05 Aug 2016) | 9 lines

Fix two false positives in -Wreturn-stack-address

If the return type is a pointer and the function returns the reference to a
pointer, don't warn since only the value is returned, not the reference.

If a reference function parameter appears in the reference chain, don't warn
since binding happens at the caller scope, so addresses returned are not
to local stack.  This includes default arguments as well.

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r277900 | rtrieu | 2016-08-05 18:44:06 -0700 (Fri, 05 Aug 2016) | 2 lines

Fix typos from r277797 and unused variable from r277889.

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llvm-svn: 278020

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r277743 | bader | 2016-08-04 11:06:27 -0700 (Thu, 04 Aug 2016) | 12 lines

[OpenCL] Added underscores to the names of 'to_addr' OpenCL built-ins.

Summary:
In order to re-define OpenCL built-in functions
'to_{private,local,global}' in OpenCL run-time library LLVM names must
be different from the clang built-in function names.

Reviewers: yaxunl, Anastasia

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D23120
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llvm-svn: 278019

llvm-svn: 277998

llvm-svn: 277807

llvm-svn: 277803

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r277691 | majnemer | 2016-08-03 21:24:02 -0700 (Wed, 03 Aug 2016) | 4 lines

Reinstate "[CloneFunction] Don't remove side effecting calls"

This reinstates r277611 + r277614 and reverts r277642.  A cast_or_null
should have been a dyn_cast_or_null.
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r277693 | majnemer | 2016-08-03 21:47:18 -0700 (Wed, 03 Aug 2016) | 1 line

Forgot the dyn_cast_or_null intended for r277691.
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r277773 | majnemer | 2016-08-04 14:28:59 -0700 (Thu, 04 Aug 2016) | 6 lines

[CloneFunction] Add a testcase for r277691/r277693

PR28848 had a very nice reduction of the underlying cause of the bug.
Our ValueMap had, in an entry for an Instruction, a ConstantInt.

This is not at all unexpected but should be handled properly.
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llvm-svn: 277781

llvm-svn: 277772

llvm-svn: 277751

llvm-svn: 277750

llvm-svn: 277739

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r277625 | dexonsmith | 2016-08-03 11:19:43 -0700 (Wed, 03 Aug 2016) | 42 lines

IR: Drop uniquing when an MDNode Value operand is deleted

This is a fix for PR28697.

An MDNode can indirectly refer to a GlobalValue, through a
ConstantAsMetadata.  When the GlobalValue is deleted, the MDNode operand
is reset to `nullptr`.  If the node is uniqued, this can lead to a
hard-to-detect cache invalidation in a Metadata map that's shared across
an LLVMContext.

Consider:

 1. A map from Metadata* to `T` called RemappedMDs.
 2. A node that references a global variable, `!{i1* @GV}`.
 3. Insert `!{i1* @GV} -> SomeT` in the map.
 4. Delete `@GV`, leaving behind `!{null} -> SomeT`.

Looking up the generic and uninteresting `!{null}` gives you `SomeT`,
which is likely related to `@GV`.  Worse, `SomeT`'s lifetime may be tied
to the deleted `@GV`.

This occurs in practice in the shared ValueMap used since r266579 in the
IRMover.  Other code that handles more than one Module (with different
lifetimes) in the same LLVMContext could hit it too.

The fix here is a partial revert of r225223: in the rare case that an
MDNode operand is a ConstantAsMetadata (i.e., wrapping a node from the
Value hierarchy), drop uniquing if it gets replaced with `nullptr`.
This changes step #4 above to leave behind `distinct !{null} -> SomeT`,
which can't be confused with the generic `!{null}`.

In theory, this can cause some churn in the LLVMContext's MDNode
uniquing map when Values are being deleted.  However:

  - The number of GlobalValues referenced from uniqued MDNodes is
    expected to be quite small.  E.g., the debug info metadata schema
    only references GlobalValues from distinct nodes.

  - Other Constants have the lifetime of the LLVMContext, whose teardown
    is careful to drop references before deleting the constants.

As a result, I don't expect a compile time regression from this change.
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llvm-svn: 277639

llvm-svn: 277628

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r277504 | nha | 2016-08-02 12:31:14 -0700 (Tue, 02 Aug 2016) | 20 lines

AMDGPU: Stay in WQM for non-intrinsic stores

Summary:
Two types of stores are possible in pixel shaders: stores to memory that are
explicitly requested at the API level, and stores that are an implementation
detail of register spilling or lowering of arrays.

For the first kind of store, we must ensure that helper pixels have no effect
and hence WQM must be disabled. The second kind of store must always be
executed, because the written value may be loaded again in a way that is
relevant for helper pixels as well -- and there are no externally visible
effects anyway.

This is a candidate for the 3.9 release branch.

Reviewers: arsenm, tstellarAMD, mareko

Subscribers: arsenm, kzhuravl, llvm-commits

Differential Revision: https://reviews.llvm.org/D22675
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llvm-svn: 277620

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r277500 | nha | 2016-08-02 12:17:37 -0700 (Tue, 02 Aug 2016) | 17 lines

AMDGPU: Track physical registers in SIWholeQuadMode

Summary:
There are cases where uniform branch conditions are computed in VGPRs, and
we didn't correctly mark those as WQM.

The stray change in basic-branch.ll is because invoking the LiveIntervals
analysis leads to the detection of a dead register that would otherwise not
be seen at -O0.

This is a candidate for the 3.9 branch, as it fixes a possible hang.

Reviewers: arsenm, tstellarAMD, mareko

Subscribers: arsenm, llvm-commits, kzhuravl

Differential Revision: https://reviews.llvm.org/D22673
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llvm-svn: 277619

Fleshing out the note about the autoconf build system being removed and pointing to CMake documentation.

llvm-svn: 277617

llvm-svn: 277606

llvm-svn: 277593

llvm-svn: 277591