llvm-svn: 300219

llvm-svn: 300218

Revert r300213 "[APSInt] Add a static_assert to ensure APSInt is packed well with APInt after r300171"

MSVC doesn't pack derived classes the same way clang/gcc do.

llvm-svn: 300217

Summary:
Allocator::ClassIdToSize() is not free and calling it in every
Allocate/Deallocate has noticeable impact on perf.
Reapplying D31991 with the appropriate fixes.

Reviewers: cryptoad

Subscribers: kubamracek, llvm-commits

Differential Revision: https://reviews.llvm.org/D32024

llvm-svn: 300216

Summary:
* Add a bitreverse case in the demanded bits analysis pass.
* Add tests for the bitreverse (and bswap) intrinsic in the
  demanded bits pass.
* Add a test case to the BDCE tests: that manipulations to
  high-order bits are eliminated once the bits are reversed
  and then right-shifted.

Reviewers: mkuper, jmolloy, hfinkel, trentxintong

Reviewed By: jmolloy

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D31857

llvm-svn: 300215

This fixes a warning. The test was passing without this change.

llvm-svn: 300214

llvm-svn: 300213

llvm-svn: 300212

This will allow unittesting of new functionality based on
Known and Written.

llvm-svn: 300211

This field will later contain a ValInst that is known to be stored
in an occupied array element.

llvm-svn: 300210

Adding RUN lines with %clang_cl was causing these tests to fail on Mac
because absolute paths there tend to start with "/User/", which is
recognized as the "/U" flag.

Re-lands r300122

llvm-svn: 300209

The map will later point to a ValInst that is written.

llvm-svn: 300208

Some debuggers get confused by different class of the same name
defined independently in different translation units.

llvm-svn: 300207

DLLs on Windows are treated as runtime targets. Explicitly set the
output directory for them, to be consistent with other platforms.

llvm-svn: 300206

Summary:
The linker needs to be able to determine whether a symbol is text or data to
handle the case of a common being overridden by a strong definition in an
archive. If the archive contains a text member of the same name as the common,
that function is discarded. However, if the archive contains a data member of
the same name, that strong definition overrides the common. This is a behavior
of ld.bfd, which the Qualcomm linker also supports in LTO.

Here's a test case to illustrate:

####

cat > 1.c << \!
int blah;
!

cat > 2.c << \!
int blah() {
  return 0;
}
!

cat > 3.c << \!
int blah = 20;
!

clang -c 1.c
clang -c 2.c
clang -c 3.c

ar cr lib.a 2.o 3.o
ld 1.o lib.a -t

####

The correct output is:

1.o
(lib.a)3.o

Thanks to Shankar Easwaran and Hemant Kulkarni for the test case!

Reviewers: mehdi_amini, rafael, pcc, davide

Reviewed By: pcc

Subscribers: davide, llvm-commits, inglorion

Differential Revision: https://reviews.llvm.org/D31901

llvm-svn: 300205

Summary:
With D31555 commited, looks like basic LSan functionality
works on PPC64. Time to enable LSan there.

Reviewers: eugenis

Subscribers: nemanjai, llvm-commits

Differential Revision: https://reviews.llvm.org/D31995

llvm-svn: 300204

r300198 fixed a problem that caused two tests to be xfailed. Unxfail
these tests now, since they are passing.

llvm-svn: 300203

llvm-svn: 300202

If we had these tests, the bug caused by https://reviews.llvm.org/rL299851 would have been caught sooner.
There's also an assert in the code that should have caught that bug, but the assert line itself has a bug.

llvm-svn: 300201

This reverts commit r296872 now that PR32153 has been fixed.

llvm-svn: 300200

Patch by Michael Wu.

Differential Revision: https://reviews.llvm.org/D32000

llvm-svn: 300199

Patch by Michael Wu.

Differential Revision: https://reviews.llvm.org/D31999

llvm-svn: 300198

llvm-svn: 300197

Instructions CALLSEQ_START..CALLSEQ_END and their target dependent
counterparts keep data like frame size, stack adjustment etc. These
data are accessed by getOperand using hard coded indices. It is
error prone way. This change implements the access by special methods,
which improve readability and allow changing data representation without
massive changes of index values.

Differential Revision: https://reviews.llvm.org/D31953

llvm-svn: 300196

Summary:
The darwin interceptor for malloc_destroy_zone manually frees the
zone struct, but does not free the name component. Make sure to
free the name if it has been set.

Reviewers: kubamracek, alekseyshl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D31983

llvm-svn: 300195

This patch addresses pr32636. Enable lsan tests on ARM bots filtering out Thumb targets.
Tested locally on ARM Arndale board in two configurations:

1) CFLAGS="-march=armv7-a"
	Testing Time: 37.57s
	Expected Passes    : 69
	Unsupported Tests  : 7

2) CFLAGS="-march=armv7-a -mthumb"
	Testing Time: 0.16s
	Unsupported Tests  : 76

Differential Revision: https://reviews.llvm.org/D32007

llvm-svn: 300194

llvm-svn: 300193

    
Replace addModuleReloc with AddTlsReloc so that we can use it for both the
module relocation and the offset relocation.

Differential Revision: https://reviews.llvm.org/D31751

llvm-svn: 300192

llvm-svn: 300191

Throughout the effort of automatically generating the X86 memory folding tables these missing information were encountered.
This is a preparation work for a future patch including the automation of these tables.

Differential Revision: https://reviews.llvm.org/D31714

llvm-svn: 300190

We now check the type of the super-region pointer for most SubRegion classes
in compile time; some checks are run-time though.

This is an API-breaking change (we now require explicit casts to specific region
sub-classes), but in practice very few checkers are affected.

Differential Revision: https://reviews.llvm.org/D26838

llvm-svn: 300189

This addresses post commit review comments for r300039.

llvm-svn: 300188

Clean up vtable anchors (remove anchors for regions that have regular
out-of-line virtual methods, add anchors for regions that don't have those).

Fix private/public methods (all constructors should now be private for leaf
classes, protected for abstract classes).

No functional change intended, only extra sanity checks and cleanups.

Differential Revision: https://reviews.llvm.org/D26837

llvm-svn: 300187

Reviewers: ab, t.p.northover, qcolombet, aditya_nandakumar, rovka

Reviewed By: ab

Subscribers: dberris, kristof.beyls, igorb, llvm-commits

Differential Revision: https://reviews.llvm.org/D31325

llvm-svn: 300186

llvm-svn: 300185

Differential Revision: https://reviews.llvm.org/D31743

llvm-svn: 300184

Refactoring InnerLoopVectorizer's vectorizeBlockInLoop() to provide
vectorizeInstruction(). Aligning DeadInstructions with its only user.
Facilitates driving the transformation by VPlan - follows
https://reviews.llvm.org/D28975 and its tentative breakdown.

Differential Revision: https://reviews.llvm.org/D31997

llvm-svn: 300183

    
ARM Exception Index Table sections .ARM.exidx have an implicit dependency
on code sections via SHF_LINK_ORDER. When code sections are folded by ICF
we must mark the unique .ARM.exidx table that describes it as not live
to prevent an illegal entry in the exception table.
    
Note that we do not try and follow the relocations from the .ARM.exidx
section to the .ARM.extab sections to mark these as not live. Leaving
these sections is not a correctness problem. In theory these could be
removed via an application of garbage collection.
    
Fixes https://bugs.llvm.org/show_bug.cgi?id=32614

Differential Revision: https://reviews.llvm.org/D31932

llvm-svn: 300182

This reverts commit 47979b20b475664013d19382fc6875b5b9f3ed9d.

This was causing a couple of bots to fail.

http://lab.llvm.org:8080/green/job/clang-stage1-configure-RA_check/30152

llvm-svn: 300181

This reverts commit r300107 because it broke the ARM and AArch64
buildbots.

llvm-svn: 300180