Summary:
This is needed by the .cprestore assembler directive.
This directive needs to be able to insert an LW instruction after every JALR replacement of a JAL pseudo-instruction
(and never after a JALR which has NOT been a result of a pseudo-instruction replacement).
The problem with using InstAlias for these is that after it replaces the pseudo-instruction, we can't find out if the resulting JALR instruction
was generated by an InstAlias or not, so we don't know whether or not to insert our LW instruction.
By replacing it manually, we know when the pseudo-instruction replacement happens and we can insert the LW instruction correctly.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: emaste, llvm-commits
Differential Revision: http://reviews.llvm.org/D5601
llvm-svn: 227568
In OpenCL 1.2, using double no longer requires using the pragma cl_khr_fp64,
instead a kernel is allowed to use double, but must first have queried
clGetDeviceInfo's CL_DEVICE_DOUBLE_FP_CONFIG.
Page 197, section 6.1.1 of the OpenCL 1.2 specification has a footnote 23
describing this behaviour.
I've also added test cases such that the pragma must be used if targeting
OpenCL 1.0 or 1.1, but is ignored in 1.2 and 2.0.
Patch by Neil Henning!
Reviewers: Pekka Jääskeläinen
Differential Revision: http://reviews.llvm.org/D7245
llvm-svn: 227565
For target descriptions with very large and very dense register files, TableGen
can take an extremely long time to run. This change makes a dent in that (~15%
in my measurements) by accelerating the single hottest operation with better data
structures.
I believe there's still a lot of room to make this even faster with more global
changes that require replacing some of the existing datastructures in this area
with bit vectors, but that's a more involved change and I wanted to get this
simpler improvement in first.
llvm-svn: 227562
Previously, only -1 and +1 step values are supported for induction variables. This patch extends LV to support
arbitrary constant steps.
Initial patch by Alexey Volkov. Some bug fixes are added in the following version.
Differential Revision: http://reviews.llvm.org/D6051 and http://reviews.llvm.org/D7193
llvm-svn: 227557
Fatal errors disable all further diagnostics. Continuing to permit
template instantiation does nothing but make it take longer for clang to
finish with the TU.
Instead, halt all further instantiation.
Fixed in PR22396.
llvm-svn: 227556
SimpleFileWrapper was a class to wrap an existing (possibly non-mutable)
file as a mutable file. We used instances of the class in RoundTrip*
passes, because the passes convert mutable files to non-mutable files,
and we needed to convert them back to mutable.
That feature can be implemented without defining a new class. Generally
speaking, if we can implement a feature without defining a class and
using only public interface of exsiting classes, that's preferred way
to do that. And this is the case.
llvm-svn: 227549
accumulateAndSortLibcalls in LTOCodeGenerator.cpp collects names of runtime
library functions which are used to identify user-defined functions that should
be protected. Previously, this function would only scan the TargetLowering
object belonging to the "main" subtarget for the library function names. This
commit changes it to scan all per-function subtargets.
Differential Revision: http://reviews.llvm.org/D7275
llvm-svn: 227533
Chandler Carruth