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64884 Commits

Author SHA1 Message Date
Juergen Ributzka
d084153a8f Fix a bug in LinearFunctionTestReplace that created invalid loop exit checks.
Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193303 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-24 05:29:56 +00:00
Yuchen Wu
cbbd20879e Fixed llvm-cov to count edges instead of blocks.
This was a fundamental flaw in llvm-cov where it treated the values in
the GCDA files as block counts instead of edge counts. This created
incorrect line counts when branching was present. Instead, the edge
counts should be summed to obtain the correct block count.

The fix was tested using custom test files as well as single source
files from the test-suite directory. The behaviour can be verified by
reading the GCOV documentation that describes the GCDA spec ("ARC_COUNTS
gives the counter values for those arcs that are instrumented") and the
header description provided by GCOVProfiling.cpp ("instruments the code
that runs to records (sic) the edges between blocks that run and emit a
complementary "gcda" file on exit").

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193299 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-24 01:51:04 +00:00
Andrew Trick
577ac566c4 Clarify comments in genLoopLimit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193292 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-24 00:43:38 +00:00
Andrew Kaylor
2ad18efdc7 Optimizing MCJIT module state tracking
Patch co-developed with Yaron Keren.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193291 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-24 00:19:14 +00:00
Yaron Keren
faf1415c4f (this is a corrected patch)
Calling _chkstk is required on ELF as well as COFF on Windows. Without 
_chkstk, functions requiring large stack crash in initialization code.

Previous code tested for COFF format but not Mach-O and this patch modifies 
the code to test for Windows OS (both Windows target and MingW target) 
but not Mach-O object format: Looks like macho environment was used to 
build some EFI code.
 
Credits to Andrew MacPherson.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193289 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 23:37:01 +00:00
Manman Ren
be87b69a5f Debug Info: code clean up.
Since we never insert DIE for DITemplateTypeParameter to a map, there is no need
to call getDIE in getOrCreateTemplateTypeParameterDIE. It is also renamed to
constructTemplateTypeParameterDIE to match with other construct functions
in CompileUnit.

Same applies to getOrCreateTemplateValueParameterDIE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193287 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 23:05:28 +00:00
Manman Ren
a1d25b6360 Debug Info: code clean up.
Rename createMemberDIE to constructMemberDIE to match other construct functions
in CompileUnit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193286 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 23:00:44 +00:00
Manman Ren
99addee733 Debug Info: code clean up.
Remove the unneeded return values from createMemberDIE, constructEnumTypeDIE,
getOrCreateTemplateTypeParameterDIE, and getOrCreateTemplateValueParameterDIE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193285 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 22:57:12 +00:00
Manman Ren
950f4e82af Debug Info: code clean up.
Unifying the argument ordering of private construct functions in CompileUnit to
follow constructTypeDIE(DIE &, DIBasicType),
constructTypeDIE(DIE &, DIDerivedType), constructTypeDIE(DIE &, DICompositeType),
constructSubrangeDIE and constructArrayTypeDIE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193284 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 22:52:22 +00:00
Manman Ren
250f4e8ec2 Remove {} from one-line block.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193276 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 22:12:26 +00:00
Rafael Espindola
615f561407 Revert "Calling _chkstk is required on ELF as well as COFF on Windows. Without _chkstk functions requiring large stack crash in initialization code. Previous code tested for COFF format but not Mach-O and this patch modifies the code to test for Windows."
This reverts commit r193263.

It is causing CodeGen/X86/mingw-alloca.ll to fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193275 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 21:45:09 +00:00
Rafael Espindola
3873361e28 Reduce casting and use a fully covered switch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193272 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 21:24:34 +00:00
Benjamin Kramer
bb41c75ab5 X86: Custom lower sext v16i8 to v16i16, and the corresponding truncate.
Also update the cost model.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193270 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 21:06:07 +00:00
Yuchen Wu
d7da59004f Fixed comment typo in GCOVProfiling.cpp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193268 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 20:35:00 +00:00
Yuchen Wu
9db9663d1d Use a map instead of vector to store line counts.
There are a few motivations for this:
- Using a map allows for checking if line is in map. This differentiates
  unexecutable lines (such as comments) from unexecuted logical lines of
  code. "#####" is now outputted in this case, in line with gcov.
- Source files are no longer read in twice: once when storing the line
  counts, and once when outputting the data.
- Greatly simplifies the function FileInfo::addLineCount().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193264 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 19:45:03 +00:00
Yaron Keren
1e0437804c Calling _chkstk is required on ELF as well as COFF on Windows.
Without _chkstk functions requiring large stack crash in 
initialization code. Previous code tested for COFF format but 
not Mach-O and this patch modifies the code to test for Windows.

Credits to Andrew MacPherson.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193263 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 19:40:07 +00:00
Benjamin Kramer
7377cff9e7 X86: Custom lower zext v16i8 to v16i16.
On sandy bridge (PR17654) we now get
	vpxor	%xmm1, %xmm1, %xmm1
	vpunpckhbw	%xmm1, %xmm0, %xmm2
	vpunpcklbw	%xmm1, %xmm0, %xmm0
	vinsertf128	$1, %xmm2, %ymm0, %ymm0

On haswell it's a simple
	vpmovzxbw	%xmm0, %ymm0

There is a maze of duplicated and dead transforms and patterns in this
area. Remove the dead custom lowering of zext v8i16 to v8i32, that's
already handled by LowerAVXExtend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193262 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 19:19:04 +00:00
Michael Liao
531f025361 Fix PR17631
- Skip instructions added in prolog. For specific targets, prolog may
  insert helper function calls (e.g. _chkstk will be called when
  there're more than 4K bytes allocated on stack). However, these
  helpers don't use/def YMM/XMM registers.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193261 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 18:32:43 +00:00
Jim Grosbach
20b2774833 X86: Make concat_vectors combine a bit more conservative.
Per Nadav's review comments for r192866.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193252 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 17:37:40 +00:00
Shuxin Yang
8e3851a6eb Use address-taken to disambiguate global variable and indirect memops.
Major steps include:
 1). introduces a not-addr-taken bit-field in GlobalVariable
 2). GlobalOpt pass sets "not-address-taken" if it proves a global varirable 
    dosen't have its address taken.
 3). AA use this info for disambiguation. 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193251 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 17:28:19 +00:00
Zoran Jovanovic
0082717cb5 Support for microMIPS relocations 1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193247 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 16:14:44 +00:00
Matheus Almeida
f7b6bac262 [mips][msa] Direct Object Emission support for the LSA instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193240 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 13:20:07 +00:00
Daniel Sanders
09c7f4026a [mips][msa] Added support for matching fexp2 from normal IR (i.e. not intrinsics)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193239 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 10:36:52 +00:00
Artyom Skrobov
b161955ffb Make ARM hint ranges consistent, and add tests for these ranges
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193238 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 10:14:40 +00:00
Tom Stellard
9242b73286 R600/SI: Replace ffs(x) - 1 with countTrailingZeros(x)
ffs(x) broke the mingw buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193225 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 03:50:25 +00:00
Yuchen Wu
752d303a10 Test commit. Added whitespace in GCOV.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193224 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 03:41:03 +00:00
Tom Stellard
96b5670cf4 R600/SI: fix MIMG writemask adjustement
This fixes piglit:
- shaders/glsl-fs-texture2d-masked
- shaders/glsl-fs-texture2d-masked-4

Patch by: Marek Olšák

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193222 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 02:53:47 +00:00
Tom Stellard
f95b162188 R600: Fix handling of vector kernel arguments
The SelectionDAGBuilder was promoting vector kernel arguments to legal
types, but this won't work for R600 and SI since kernel arguments are
stored in memory and can't be promoted.  In order to handle vector
arguments correctly we need to look at the original types from the LLVM IR
function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193215 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 00:44:32 +00:00
Tom Stellard
d0716b0647 SelectionDAG: Pass along the original argument/element type in ISD::InputArg
For some targets, it is useful to be able to look at the original
type of an argument without having to dig through the original IR.

This also fixes a bug in SelectionDAGBuilder where InputArg.PartOffset
was not taking into account the offset of structure elements.

Patch by: Justin Holewinski

Tom Stellard:
  - Changed the type of ArgVT to EVT, so it can store non-simple types
    like v3i32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193214 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 00:44:24 +00:00
Tom Stellard
6a2f9b9137 R600/SI: Add support for i64 bitwise or
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193213 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 00:44:19 +00:00
Tom Stellard
f9e5c39811 R600/SI: Use S_LOAD_DWORD instructions for v8i32 and v16i32
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193212 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-23 00:44:12 +00:00
David Blaikie
2b3ea3cdad MC: Support multiple sections with the same name in the same comdat group
Code review by Eric Christopher and Rafael Espindola.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193209 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 23:41:52 +00:00
Quentin Colombet
f45787c645 [X86][FastISel] Add a comment to help understanding changes made in r192636.
<rdar://problem/15192473>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193199 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 21:29:08 +00:00
Matt Arsenault
8305cae004 R600/SI: Don't assert on SCC usage
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193198 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 21:11:31 +00:00
Manman Ren
d56c9db960 Debug Info: code clean up.
Remove unnecessary creation of LexicalScope in collectDeadVariables.
The created LexicialScope was only used to get isAbstractScope, which
should be false from the creation:
"new LexicalScope(NULL, DIDescriptor(SP), NULL, false);".

We can also remove a DenseMap that holds the created LexicalScopes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193196 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 20:59:19 +00:00
David Blaikie
dd620a9ff5 Whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193194 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 20:34:30 +00:00
David Blaikie
c960816625 DIEHashing: Provide an assert for unreachable functionality regarding friends.
Since (as of r190716) Clang no longer emits debug info for C++ friend
declarations (and it seems GCC never has/does, which was the motivation
for the Clang change), there's no actual reachable case for implementing
the part of DWARF 4, Section 7.27 part 5 that pertains to friends.

Leave an assert here so that if/when we do have a client producing
friends and using type units, we can fill in the gap and add appropriate
(unit and feature) tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193193 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 20:28:55 +00:00
Bob Wilson
67fa53989a llvm-cov: Use uint32_t for loop variables to be more consistent.
The loop bounds here are uint32_t variables, so it makes sense for the
loop variables to have the same type.

Patch by Yuchen Wu!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193192 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 20:02:36 +00:00
Bob Wilson
0a2463c990 llvm-cov: fix a typo and rename a variable.
Rename Size to EndPos, which makes more sense because the variable
stores the last location of the blocks.

Patch by Yuchen Wu!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193189 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 19:54:32 +00:00
Tim Northover
01b0e94bb7 ARM: provide diagnostics on more writeback LDM/STM instructions
The set of circumstances where the writeback register is allowed to be in the
list of registers is rather baroque, but I think this implements them all on
the assembly parsing side.

For disassembly, we still warn about an ARM-mode LDM even if the architecture
revision is < v7 (the required architecture information isn't available). It's
a silly instruction anyway, so hopefully no-one will mind.

rdar://problem/15223374

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193185 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 19:00:39 +00:00
Tom Stellard
e18273b7be R600/SI: Use llvm_unreachable() for an always false assert
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193183 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 18:42:03 +00:00
Tom Stellard
47a7c382fd R600/SI: Fix warning on non-asserts build
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193180 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 18:31:45 +00:00
Tom Stellard
04c559569f R600: Simplify handling of private address space
The AMDGPUIndirectAddressing pass was previously responsible for
lowering private loads and stores to indirect addressing instructions.
However, this pass was buggy and way too complicated.  The only
advantage it had over the new simplified code was that it saved one
instruction per direct write to private memory.  This optimization
likely has a minimal impact on performance, and we may be able
to duplicate it using some other transformation.

For the private address space, we now:
1. Lower private loads/store to Register(Load|Store) instructions
2. Reserve part of the register file as 'private memory'
3. After regalloc lower the Register(Load|Store) instructions to
   MOV instructions that use indirect addressing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193179 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 18:19:10 +00:00
Tom Stellard
34adeaf8b9 R600: Remove unused InstrInfo::getMovImmInstr() function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193178 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 18:19:01 +00:00
David Blaikie
f196208900 DWARF type hashing: pointers to members
Includes a test case/FIXME demonstrating a bug/limitation in pointer to
member hashing. To be honest I'm not sure why we don't just always use
summary hashing for referenced types... but perhaps I'm missing
something.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193175 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 18:14:41 +00:00
Bob Wilson
51ec77d880 Fix llvm-cov counts to be 64-bit integers to avoid overflows.
Line counts in llvm-cov are read in as 64-bit integers but were being truncated
to 32-bit in collectLineCounts(), which caused overflow for large counts.
This patch fixes all counts to be uint64_t.

Patch by Yuchen Wu!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193172 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 17:43:47 +00:00
Alp Toker
16da44c562 Fix the -Werror -Wpedantic clang selfhost build
This is a stopgap fix for cast warnings introduced in r192864.

A proper fix should be investigated by the author when possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193160 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 12:30:55 +00:00
Matheus Almeida
5cb5ff8b14 [mips][msa] Direct Object Emission support for conditional branches.
These branches have a 16-bit offset (R_MIPS_PC16).

List of conditional branch instructions:
bnz.{b,h,w,d}
bnz.v
bz.{b,h,w,d}
bz.v



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193157 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 09:43:32 +00:00
Elena Demikhovsky
ea79feb1a8 AVX-512: aligned / unaligned load and store for 512-bit integer vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193156 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 09:19:28 +00:00
Wan Xiaofei
8c955ea858 Using FoldingSet in SelectionDAG::getVTList.
VTList has a long life cycle through the module and getVTList is frequently called. In current getVTList, sequential search over a std::vector is used, this is inefficient in big module.
This patch use FoldingSet to implement hashing mechanism when searching.

Reviewer: Nadav Rotem
Test    : Pass unit tests & LNT test suite

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193150 91177308-0d34-0410-b5e6-96231b3b80d8
2013-10-22 08:02:02 +00:00