The selection of the vectorization factor currently doesn't consider
interleaved accesses. The vectorization factor is based on the maximum safe
dependence distance computed by LAA. However, for loops with interleaved
groups, we should instead base the vectorization factor on the maximum safe
dependence distance divided by the maximum interleave factor of all the
interleaved groups. Interleaved accesses not in a group will be scalarized.
Differential Revision: http://reviews.llvm.org/D20241
llvm-svn: 269659
Without a diagnostic handler installed, llc's behaviour is to exit on the first
error that it encounters. This is very different from the behaviour of clang
and other front ends, which try to gather as many errors as possible before
exiting.
This commit adds a diagnostic handler to llc, allowing it to find and report
more than one error. The old behaviour is preserved under a flag (-exit-on-error).
Some of the tests fail with the new diagnostic handler, so they have to use the
new flag in order to run under the previous behaviour. Some of these are known
bugs, others need further investigation. Ideally, we should fix the tests and
remove the flag at some point in the future.
Reapplied after fixing the LLDB build that was broken due to the new
DiagnosticSeverity in LLVMContext.h, and fixed an UB in the new change.
Patch by Diana Picus.
llvm-svn: 269655
This patch uses PSHUFB to lower vector CTLZ and avoid (slower) scalarizations.
The leading zero count of each 4-bit nibble of the vector is determined by using a PSHUFB lookup. Pairs of results are then repeatedly combined up to the original element width.
Differential Revision: http://reviews.llvm.org/D20016
llvm-svn: 269646
Summary:
The failure r269410 worked around turned out to be caused by an incorrect
evaluation of R_MICROMIPS_GOT16 which then caused the GOT entries to be
incorrect.
This patch fixes the evaluation and reverts r269410.
Reviewers: sdardis, vkalintiris, rafael
Subscribers: rafael, dsanders, sdardis, llvm-commits
Differential Revision: http://reviews.llvm.org/D20242
llvm-svn: 269641
Summary:
This fixes PR27682. Additionally, '.set micromips' by itself is not sufficient
to raise the EF_MIPS_MICROMIPS flag. It is also necessary to emit a microMIPS
instruction. This has also been fixed.
Reviewers: sdardis, vkalintiris, rafael
Subscribers: rafael, dsanders, sdardis, llvm-commits
Differential Revision: http://reviews.llvm.org/D20214
llvm-svn: 269639
Calls are initialized from a DenseMap. We can sort them using the
value id to recover some determinism during serialization.
From: mehdi_amini <mehdi_amini@91177308-0d34-0410-b5e6-96231b3b80d8>
llvm-svn: 269638
Author: obucina
Reviewers: dsanders
Adds support for third operand for [D]DIV[U] instructions. Additional test for case when destination reg is zero register
Differential Revision: http://reviews.llvm.org/D16888
llvm-svn: 269636
GlobalVars Refs are initialized from a DenseSet. We can sort them
using the value id to recover some determinism during serialization.
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 269635
Calls are initialized from a DenseMap. We can sort them using the
value id to recover some determinism during serialization.
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 269634
Refs are initialized from a DenseSet. We can sort them using the
value id to recover some determinism during serialization.
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 269629
Added constant index tests for all 256-bit integer vector types (touching lower / upper 128-bits)
Added variable index tests for all 256-bit integer vector types
Added out-of-range index tests for all 256-bit integer vector types
llvm-svn: 269600
Vector GEP with mixed (vector and scalar) indices failed on the InstSimplify Pass when all indices are constants.
Differential revision http://reviews.llvm.org/D20149
llvm-svn: 269590
TargetLibraryInfoWrapperPass is a dependency of
SCCP but it's not listed as such. Chandler pointed
out this is an easy mistake to make which only
surfaces in weird crashes with some flag combinations.
This code will go away anyway at some point in the
future, but as long as it's (still) exercised, try
to make it correct.
llvm-svn: 269589
This reverts commit r221331 and reinstate r220932 as discussed in D19271.
Original commit message was:
This patch adds an llvm_call_once which is a wrapper around
std::call_once on platforms where it is available and devoid
of bugs. The patch also migrates the ManagedStatic mutex to
be allocated using llvm_call_once.
These changes are philosophically equivalent to the changes
added in r219638, which were reverted due to a hang on Win32
which was the result of a bug in the Windows implementation
of std::call_once.
Differential Revision: http://reviews.llvm.org/D5922
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 269577
It seems that cl will emit the export directives for Windows ARM targets. The
fact that it did this had originally been missed and this functionality was
never implemented. This makes it possible to rely solely on the source code for
indicating what the exported interfaces are and brings us more compatibility
with cl.
llvm-svn: 269574
This reverts;
r269548, "XFAIL ThinLTO Caching test on Windows."
r269561, "Rework r269548, "XFAIL ThinLTO Caching test on Windows.", not to use XFAIL, for now."
llvm-svn: 269567
