Matt Arsenault [Wed, 19 Mar 2014 22:19:45 +0000 (22:19 +0000)]
R600/SI: Fix test checking wrong instruction operand.
The source and destination happen to be the same register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204271
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Matt Arsenault [Wed, 19 Mar 2014 22:19:43 +0000 (22:19 +0000)]
R600/SI: Don't display the GDS bit.
It isn't actually used now, and probably never will be, plus it makes
tests less annoying. I also think SC prints GDS instructions as a
separate instruction name.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204270
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Matt Arsenault [Wed, 19 Mar 2014 22:19:39 +0000 (22:19 +0000)]
R600/SI: Merge offset0 and offset1 fields for single address DS instructions v2
Also remove unused data fields from the DS_Load_Helper class.
v2:
- Merge fields for DS_WRITE
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204269
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David Majnemer [Wed, 19 Mar 2014 20:16:23 +0000 (20:16 +0000)]
COFF: Fix a typo
Introduced when I rebased my changes to use isReservedSectionNumber.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204260
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Hans Wennborg [Wed, 19 Mar 2014 18:41:38 +0000 (18:41 +0000)]
Fix comment (PR19188)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204256
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Matheus Almeida [Wed, 19 Mar 2014 16:29:06 +0000 (16:29 +0000)]
[mips] 80-column.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204252
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Matheus Almeida [Wed, 19 Mar 2014 16:20:19 +0000 (16:20 +0000)]
[mips] Making sure that a '.set noreorder' directive is correctly parsed
and emitted and that no NOPs are emitted in a 'noreorder section'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204250
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Evgeniy Stepanov [Wed, 19 Mar 2014 12:56:38 +0000 (12:56 +0000)]
Set debug info for instructions inserted in SplitBlockAndInsertIfThen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204230
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Craig Topper [Wed, 19 Mar 2014 06:53:25 +0000 (06:53 +0000)]
Prune includes in X86 target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204216
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David Majnemer [Wed, 19 Mar 2014 04:47:47 +0000 (04:47 +0000)]
Object: Provide a richer means of describing auxiliary symbols
The current state of affairs has auxiliary symbols described as a big
bag of bytes. This is less than satisfying, it detracts from the YAML
file as being human readable.
Instead, allow for symbols to optionally contain their auxiliary data.
This allows us to have a much higher level way of describing things like
weak symbols, function definitions and section definitions.
This depends on D3105.
Differential Revision: http://llvm-reviews.chandlerc.com/D3092
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204214
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David Majnemer [Wed, 19 Mar 2014 04:33:27 +0000 (04:33 +0000)]
Object: Move auxiliary symbol definitions from llvm-readobj
Summary: These definitions are useful to other aspects of LLVM, move them out.
Reviewers: rafael, nrieck, ruiu
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D3105
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204213
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David Majnemer [Wed, 19 Mar 2014 02:37:19 +0000 (02:37 +0000)]
Object: Clean up COFF.h
The file violated the coding standard. Make it conform.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204212
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Justin Bogner [Wed, 19 Mar 2014 02:20:46 +0000 (02:20 +0000)]
llvm-profdata: Make "merge" into a subcommand.
We'll be adding a few more subcommands in the near future.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204211
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Justin Bogner [Wed, 19 Mar 2014 02:20:42 +0000 (02:20 +0000)]
llvm-profdata: Update to use the naive text format with function hash
This also uses line_iterator to simplify the parsing logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204210
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Rafael Espindola [Wed, 19 Mar 2014 00:26:58 +0000 (00:26 +0000)]
Make the test harder by using a non-zero offset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204205
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Pete Cooper [Wed, 19 Mar 2014 00:23:30 +0000 (00:23 +0000)]
When destroying a StringMap, just iterate over the map and destroy the contained elements. Don't reset them back to 0 as their values aren't needed any more. This results in ~StringMap() being mostly empty for POD types in BumpPtrAllocators
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204204
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Rafael Espindola [Wed, 19 Mar 2014 00:13:43 +0000 (00:13 +0000)]
Revert "Add back r203962, r204028 and r204059."
This reverts commit r204178.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204203
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David Blaikie [Wed, 19 Mar 2014 00:11:28 +0000 (00:11 +0000)]
DebugInfo: Use the comp_dir of the referencing type units when building debug_line.dwo
This isn't a complete fix - it falls back to non-comp_dir when multiple
compile units are in play. Adding a map of comp_dir to table is part of
the more general solution, but I gave up (in the short term) when I
realized I'd also have to calculate the size of each type unit so as to
produce correct DW_AT_stmt_list attributes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204202
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Eli Bendersky [Tue, 18 Mar 2014 23:51:07 +0000 (23:51 +0000)]
Expose "noduplicate" attribute as a property for intrinsics.
The "noduplicate" function attribute exists to prevent certain optimizations
from duplicating calls to the function. This is important on platforms where
certain function call duplications are unsafe (for example execution barriers
for CUDA and OpenCL).
This patch makes it possible to specify intrinsics as "noduplicate" and
translates that to the appropriate function attribute.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204200
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Rui Ueyama [Tue, 18 Mar 2014 23:37:53 +0000 (23:37 +0000)]
Object/COFF: Add function to check if section number is reserved one.
Differential Revision: http://llvm-reviews.chandlerc.com/D3103
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204199
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NAKAMURA Takumi [Tue, 18 Mar 2014 23:12:09 +0000 (23:12 +0000)]
Move yet another test that requires ARM to an ARM test directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204198
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Jim Grosbach [Tue, 18 Mar 2014 22:43:59 +0000 (22:43 +0000)]
Move tests that require ARM to an ARM test directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204197
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Duncan P. N. Exon Smith [Tue, 18 Mar 2014 22:32:43 +0000 (22:32 +0000)]
Fix use_iterator crash in ObjCArc from r203364
The use_iterator redesign in r203364 introduced an increment past the
end of a range in -objc-arc-contract. Added an explicit check for the
end of the range.
<rdar://problem/
16333235>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204195
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Jim Grosbach [Tue, 18 Mar 2014 22:13:13 +0000 (22:13 +0000)]
C++ style comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204194
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Jim Grosbach [Tue, 18 Mar 2014 22:09:10 +0000 (22:09 +0000)]
Tidy up. Update per naming conventions.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204192
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Jim Grosbach [Tue, 18 Mar 2014 22:09:08 +0000 (22:09 +0000)]
MachO: Emit a version-min load command when possible.
When deployment target version information is available, emit it to the
target streamer for inclusion in the object file.
rdar://
11337778
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204191
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Jim Grosbach [Tue, 18 Mar 2014 22:09:05 +0000 (22:09 +0000)]
Darwin: Add assembler directives to create version-min load commands.
Allow object files to be tagged with a version-min load command for iOS
or MacOSX.
Teach macho-dump to understand the version-min load commands for
testcases.
rdar://
11337778
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204190
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Jim Grosbach [Tue, 18 Mar 2014 22:08:58 +0000 (22:08 +0000)]
MachO: Comment fields in the version_min load command.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204189
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Chandler Carruth [Tue, 18 Mar 2014 22:00:32 +0000 (22:00 +0000)]
[LV] While I'm here, use range based for loops which are so much cleaner
for this kind of walk.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204188
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Chandler Carruth [Tue, 18 Mar 2014 21:58:38 +0000 (21:58 +0000)]
[LV] The actual change I intended to commit in r204148. Sorry for the
noise.
Original commit log:
Replace some dead code with an assert. When I first ported this pass
from a loop pass to a function pass I did so in the naive, recursive
way. It doesn't actually work, we need a worklist instead. When
I switched to the worklist I didn't delete the naive recursion. That
recursion was also buggy because it was dead and never really exercised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204187
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Chandler Carruth [Tue, 18 Mar 2014 21:51:46 +0000 (21:51 +0000)]
[LV] Replace some dead code with an assert. When I first ported this
pass from a loop pass to a function pass I did so in the naive,
recursive way. It doesn't actually work, we need a worklist instead.
When I switched to the worklist I didn't delete the naive recursion.
That recursion was also buggy because it was dead and never really
exercised.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204184
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Eric Christopher [Tue, 18 Mar 2014 21:44:12 +0000 (21:44 +0000)]
More header and forward declaration cleanup.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204183
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Eric Christopher [Tue, 18 Mar 2014 20:58:35 +0000 (20:58 +0000)]
Add back the headers we're getting via (likely) transitive includes.
We really do use these things in the header.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204180
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Rafael Espindola [Tue, 18 Mar 2014 20:40:38 +0000 (20:40 +0000)]
Add back r203962, r204028 and r204059.
This reverts commit r204137.
This includes a fix for handling aliases of aliases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204178
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Eric Christopher [Tue, 18 Mar 2014 20:39:54 +0000 (20:39 +0000)]
Fix for coding style.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204177
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Eric Christopher [Tue, 18 Mar 2014 20:37:10 +0000 (20:37 +0000)]
Remove a bunch of unnecessary includes and forward declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204176
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Hans Wennborg [Tue, 18 Mar 2014 20:04:34 +0000 (20:04 +0000)]
X86 memcpy lowering: use "rep movs" even when esi is used as base pointer
For functions where esi is used as base pointer, we would previously fall back
from lowering memcpy with "rep movs" because that clobbers esi.
With this patch, we just store esi in another physical register, and restore
it afterwards. This adds a little bit of register preassure, but the more
efficient memcpy should be worth it.
Differential Revision: http://llvm-reviews.chandlerc.com/D2968
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204174
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Rui Ueyama [Tue, 18 Mar 2014 18:58:51 +0000 (18:58 +0000)]
Use early returns to reduce nesting.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204171
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Michael Zolotukhin [Tue, 18 Mar 2014 18:17:59 +0000 (18:17 +0000)]
Fix test lsr-normalization.ll broken in r204161.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204166
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Raul E. Silvera [Tue, 18 Mar 2014 17:49:12 +0000 (17:49 +0000)]
Add support for scalarizing/splitting vector bswap.
Summary:
SLP Vectorization of intrinsics (r203707) has exposed cases where the
expansion of vector bswap is failing (PR19151).
Reviewers: hfinkel
CC: chandlerc
Differential Revision: http://llvm-reviews.chandlerc.com/D3104
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204163
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Adrian Prantl [Tue, 18 Mar 2014 17:41:15 +0000 (17:41 +0000)]
Debug info: Remove OdrMemberMap from DwarfDebug, it's not necessary.
Follow-up to r203982.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204162
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Michael Zolotukhin [Tue, 18 Mar 2014 17:34:03 +0000 (17:34 +0000)]
Add stride normalization to SCEV Normalize/Denormalize transformation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204161
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Andrea Di Biagio [Tue, 18 Mar 2014 17:12:59 +0000 (17:12 +0000)]
[DAGCombiner] teach how to simplify xor/and/or nodes according to the following rules:
1) (AND (shuf (A, C, Mask), shuf (B, C, Mask)) -> shuf (AND (A, B), C, Mask)
2) (OR (shuf (A, C, Mask), shuf (B, C, Mask)) -> shuf (OR (A, B), C, Mask)
3) (XOR (shuf (A, C, Mask), shuf (B, C, Mask)) -> shuf (XOR (A, B), V_0, Mask)
4) (AND (shuf (C, A, Mask), shuf (C, B, Mask)) -> shuf (C, AND (A, B), Mask)
5) (OR (shuf (C, A, Mask), shuf (C, B, Mask)) -> shuf (C, OR (A, B), Mask)
6) (XOR (shuf (C, A, Mask), shuf (C, B, Mask)) -> shuf (V_0, XOR (A, B), Mask)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204160
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Manuel Jacob [Tue, 18 Mar 2014 16:14:11 +0000 (16:14 +0000)]
X86: Use enums for memory operand decoding instead of integer literals.
Summary:
X86BaseInfo.h defines an enum for the offset of each operand in a memory operand
sequence. Some code uses it and some does not. This patch replaces (hopefully)
all remaining locations where an integer literal was used instead of this enum.
No functionality change intended.
Reviewers: nadav
CC: llvm-commits, t.p.northover
Differential Revision: http://llvm-reviews.chandlerc.com/D3108
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204158
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Krzysztof Parzyszek [Tue, 18 Mar 2014 16:02:37 +0000 (16:02 +0000)]
Enable CFI on Hexagon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204157
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Bill Schmidt [Tue, 18 Mar 2014 14:32:50 +0000 (14:32 +0000)]
Fix PR19144: Incorrect offset generated for int-to-fp conversion at -O0.
When converting a signed 32-bit integer to double-precision floating point on
hardware without a lfiwax instruction, we have to instead use a lfd followed
by fcfid. We were erroneously offsetting the address by 4 bytes in
preparation for either a lfiwax or lfiwzx when generating the lfd. This fixes
that silly error.
This was not caught in the test suite since the conversion tests were run with
-mcpu=pwr7, which implies availability of lfiwax. I've added another test
case for older hardware that checks the code we expect in the absence of
lfiwax and other flavors of fcfid. There are fewer tests in this test case
because we punt to DAG selection in more cases on older hardware. (We must
generate complex fiddly sequences in those cases, and there is marginal
benefit in duplicating that logic in fast-isel.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204155
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Evgeniy Stepanov [Tue, 18 Mar 2014 13:30:56 +0000 (13:30 +0000)]
[msan] Origin tracking with history.
LLVM part of MSan implementation of advanced origin tracking,
when we record not only creation point, but all locations where
an uninitialized value was stored to memory, too.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204151
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Diego Novillo [Tue, 18 Mar 2014 12:03:12 +0000 (12:03 +0000)]
Tolerate unmangled names in sample profiles.
Summary:
The compiler does not always generate linkage names. If a function
has been inlined and its body elided, its linkage name may not be
generated.
When the binary executes, the profiler will use its unmangled name
when attributing samples. This results in unmangled names in the
input profile.
We are currently failing hard when this happens. However, in this case
all that happens is that we fail to attribute samples to the inlined
function. While this means fewer optimization opportunities, it should
not cause a compilation failure.
This patch accepts all valid function names, regardless of whether
they were mangled or not.
Reviewers: chandlerc
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D3087
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204142
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Alexander Kornienko [Tue, 18 Mar 2014 10:36:11 +0000 (10:36 +0000)]
Revert r203962 and two revisions depending on it: r204028 and r204059.
The revision I'm reverting breaks handling of transitive aliases. This blocks us
and breaks sanitizer bootstrap:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/2651
(and checked locally by Alexey).
This revision is the result of:
svn merge -r204059:204058 -r204028:204027 -r203962:203961 .
+ the regression test added to test/MC/ELF/alias.s
Another way to reproduce the regression with clang:
$ cat q.c
void a1();
void a2() __attribute__((alias("a1")));
void a3() __attribute__((alias("a2")));
void a1() {}
$ ~/work/llvm-build/bin/clang-3.5-good -c q.c && mv q.o good.o && \
~/work/llvm-build/bin/clang-3.5-bad -c q.c && mv q.o bad.o && \
objdump -t good.o bad.o
good.o: file format elf64-x86-64
SYMBOL TABLE:
0000000000000000 l df *ABS*
0000000000000000 q.c
0000000000000000 l d .text
0000000000000000 .text
0000000000000000 l d .data
0000000000000000 .data
0000000000000000 l d .bss
0000000000000000 .bss
0000000000000000 l d .comment
0000000000000000 .comment
0000000000000000 l d .note.GNU-stack
0000000000000000 .note.GNU-stack
0000000000000000 l d .eh_frame
0000000000000000 .eh_frame
0000000000000000 g F .text
0000000000000006 a1
0000000000000000 g F .text
0000000000000006 a2
0000000000000000 g F .text
0000000000000006 a3
bad.o: file format elf64-x86-64
SYMBOL TABLE:
0000000000000000 l df *ABS*
0000000000000000 q.c
0000000000000000 l d .text
0000000000000000 .text
0000000000000000 l d .data
0000000000000000 .data
0000000000000000 l d .bss
0000000000000000 .bss
0000000000000000 l d .comment
0000000000000000 .comment
0000000000000000 l d .note.GNU-stack
0000000000000000 .note.GNU-stack
0000000000000000 l d .eh_frame
0000000000000000 .eh_frame
0000000000000000 g F .text
0000000000000006 a1
0000000000000000 g F .text
0000000000000006 a2
0000000000000000 g .text
0000000000000000 a3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204137
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Renato Golin [Tue, 18 Mar 2014 10:16:15 +0000 (10:16 +0000)]
Add IAS/EHABI changes to release notes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204134
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NAKAMURA Takumi [Tue, 18 Mar 2014 09:58:28 +0000 (09:58 +0000)]
DebugIRTests: Fixup for r204130.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204132
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Evgeniy Stepanov [Tue, 18 Mar 2014 09:47:06 +0000 (09:47 +0000)]
[msan] Kill -msan-store-clean-origin flag.
Not only is it slower than the alternative, but also subtly broken.
This commit does not change the default behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204131
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Alon Mishne [Tue, 18 Mar 2014 09:41:07 +0000 (09:41 +0000)]
[C++11] Change DebugInfoFinder to use range-based loops
Also changes the iterators to return actual DI type over MDNode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204130
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Evgeniy Stepanov [Tue, 18 Mar 2014 08:29:42 +0000 (08:29 +0000)]
[msan] Remove unused code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204125
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Craig Topper [Tue, 18 Mar 2014 07:27:13 +0000 (07:27 +0000)]
[C++11] Mark the target fast isel classes as 'final' so that the compiler can de-virtualize some of the internal calls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204123
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Alexey Samsonov [Tue, 18 Mar 2014 06:53:02 +0000 (06:53 +0000)]
[C++11] Change the interface of getCOFF{Section,Relocation,Symbol} to make it work with range-based for loops.
Reviewers: ruiu
Reviewed By: ruiu
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D3097
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204120
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NAKAMURA Takumi [Tue, 18 Mar 2014 06:17:22 +0000 (06:17 +0000)]
CodeGen/R600/v_cndmask.ll: Relax an expression to unbreak msvcrt.
V_CNDMASK_B32_e64 v0, v0, -1.#QNAN0e+00, s[2:3], 0, 0, 0, 0
FIXME: We really need to implement our formatter...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204118
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NAKAMURA Takumi [Tue, 18 Mar 2014 06:01:14 +0000 (06:01 +0000)]
DebugInfo/lto-comp-dir.ll: Tweak for dos path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204117
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Saleem Abdulrasool [Tue, 18 Mar 2014 05:26:55 +0000 (05:26 +0000)]
ARM: add an assertion
Add an assertion that a valid section is referenced. The potential NULL pointer
dereference was identified by the clang static analyzer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204114
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Adrian Prantl [Tue, 18 Mar 2014 02:35:03 +0000 (02:35 +0000)]
DwarfDebug: Only unique retained types instead of all types.
This is a follow-up to r203983 based on feedback from dblaikie and mren (Thanks!)
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204107
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Adrian Prantl [Tue, 18 Mar 2014 02:34:58 +0000 (02:34 +0000)]
Switch the type field in DIVariable and DIGlobalVariable over to DITypeRefs.
This allows us to catch more opportunities for ODR-based type uniquing
during LTO.
Paired commit with CFE which updates some testcases to verify the new
DIBuilder behavior.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204106
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Adrian Prantl [Tue, 18 Mar 2014 02:34:52 +0000 (02:34 +0000)]
Replace unnecessary #include directive with forward declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204104
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Eric Christopher [Tue, 18 Mar 2014 02:18:27 +0000 (02:18 +0000)]
Add explanatory comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204103
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Eric Christopher [Tue, 18 Mar 2014 02:18:24 +0000 (02:18 +0000)]
Shorten DotDebugLocEntry to just DebugLocEntry and reformat.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204102
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David Blaikie [Tue, 18 Mar 2014 02:13:23 +0000 (02:13 +0000)]
DebugInfo: Avoid emitting standard opcode lengths in debug_line.dwo headers where opcodes are never used anyway
Introduce a slightly tighter wrapper around the header structure that
handles this use case. (MCDwarfDwoLineTable)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204101
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David Blaikie [Tue, 18 Mar 2014 01:17:26 +0000 (01:17 +0000)]
DebugInfo: Implement debug_line.dwo for file names used in type units during -gsplit-dwarf
This removes an attribute (and more importantly, a relocation) from
skeleton type units and removes some unnecessary file names from the
debug_line section that remains in the .o (and linked executable) file.
There's still a few places we could shave off some more space here:
* use compilation dir of the underlying compilation unit (since all the
type units share that compilation dir - though this would be more
complicated in LTO cases where they don't (keep a map of compilation
dir->line table header?))
* Remove some of the unnecessary header fields from the line table since
they're not needed in this situation (about 12 bytes per table).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204099
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David Blaikie [Tue, 18 Mar 2014 00:12:25 +0000 (00:12 +0000)]
DebugInfo: Flag test as requiring object emission support
Cleans up buildbot failures on R600 and similar.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204095
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David Blaikie [Tue, 18 Mar 2014 00:11:48 +0000 (00:11 +0000)]
DebugInfo: Do not rely on the compilation dir (index 0) for files in line tables shared between compilation units
When emitting assembly there's no support for emitting separate line
tables for each compilation unit - so LLVM emits .loc directives
producing a single line table.
Line tables have an implicit directory (index 0) equal to the
compilation directory (DW_AT_comp_dir) of the compilation unit that
references them.
If multiple compilation units (with possibly disparate compilation
directories) reference the same line table, we must avoid relying on
this ambiguous directory.
Achieve this my simply not setting the compilation directory on the line
table when we're in this situation (multiple units while emitting
assembly).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204094
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David Blaikie [Mon, 17 Mar 2014 23:53:25 +0000 (23:53 +0000)]
DebugInfo: Move getOrCreateSourceID from DwarfDebug to DwarfCompileUnit
We still do a few lookups into the line table mapping in MCContext that
could be factored out into a single lookup (rather than looking it up
once for the table label, once to set the compilation unit, once for
each time we need a file ID, etc... ) but assembly output complicates
that somewhat as we still need a virtual dispatch back to the
MCAsmStreamer in that case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204092
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David Blaikie [Mon, 17 Mar 2014 23:29:40 +0000 (23:29 +0000)]
DebugInfo: Move line table zero-directory-index (compilation dir) handling into MCDwarf
Our handling of compilation directory in DwarfDebug was broken
(incorrectly using the 'last' compilation directory (that of the last
CU in the metadata list) for all function emission in any CU). By moving
this handling down into MCDwarf the issue is fixed as the compilation
dir is tracked correctly per line table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204089
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Matt Arsenault [Mon, 17 Mar 2014 22:23:09 +0000 (22:23 +0000)]
Make methods static
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204085
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Dan Gohman [Mon, 17 Mar 2014 19:57:04 +0000 (19:57 +0000)]
Use range metadata instead of introducing selects.
When GlobalOpt has determined that a GlobalVariable only ever has two values,
it would convert the GlobalVariable to a boolean, and introduce SelectInsts
at every load, to choose between the two possible values. These SelectInsts
introduce overhead and other unpleasantness.
This patch makes GlobalOpt just add range metadata to loads from such
GlobalVariables instead. This enables the same main optimization (as seen in
test/Transforms/GlobalOpt/integer-bool.ll), without introducing selects.
The main downside is that it doesn't get the memory savings of shrinking such
GlobalVariables, but this is expected to be negligible.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204076
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Owen Anderson [Mon, 17 Mar 2014 19:36:09 +0000 (19:36 +0000)]
Switch a number of loops in lib/CodeGen over to range-based for-loops, now that
the MachineRegisterInfo iterators are compatible with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204075
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Owen Anderson [Mon, 17 Mar 2014 19:34:51 +0000 (19:34 +0000)]
Really REALLY finish adding const to the MachineRegisterInfo iterator range methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204074
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Kevin Enderby [Mon, 17 Mar 2014 19:00:03 +0000 (19:00 +0000)]
Making a guess to fix the test case with r204056 to get the build bot working.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204073
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Matt Arsenault [Mon, 17 Mar 2014 18:58:11 +0000 (18:58 +0000)]
R600: Match sign_extend_inreg to BFE instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204072
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Matt Arsenault [Mon, 17 Mar 2014 18:58:01 +0000 (18:58 +0000)]
Make DAGCombiner work on vector bitshifts with constant splat vectors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204071
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Owen Anderson [Mon, 17 Mar 2014 18:16:10 +0000 (18:16 +0000)]
Add one more const marker that I missed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204070
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David Blaikie [Mon, 17 Mar 2014 18:13:58 +0000 (18:13 +0000)]
DebugInfo: Use MC line table file entry uniquing for non-asm input as well.
See r204027 for the precursor to this that applied to asm debug info.
This required some non-obvious API changes to handle the case of asm
output (we never go asm->asm so this didn't come up in r204027): the
modification of the file/directory name by MCDwarfLineTableHeader needed
to be reflected in the MCAsmStreamer caller so it could print the
appropriate .file directive, so those StringRef parameters are now
non-const ref (in/out) parameters rather than just const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204069
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Owen Anderson [Mon, 17 Mar 2014 18:05:05 +0000 (18:05 +0000)]
Mark MachineRegisterInfo's iterator range methods as const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204067
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Owen Anderson [Mon, 17 Mar 2014 18:01:41 +0000 (18:01 +0000)]
Add iterator range definitions for the MachineRegisterInfo iterators.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204066
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Adam Nemet [Mon, 17 Mar 2014 17:32:53 +0000 (17:32 +0000)]
[X86] Fix unused variable warning with NDEBUG from r204058
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204063
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Saleem Abdulrasool [Mon, 17 Mar 2014 17:13:57 +0000 (17:13 +0000)]
MC: change runtime check to an assertion
It is unclear how it would be possible to get M to be NULL in normal scenarios.
Change this to an assert rather than a runtime check as per dblakie's
suggestion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204060
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Saleem Abdulrasool [Mon, 17 Mar 2014 17:13:54 +0000 (17:13 +0000)]
ARM IAS: support .thumb_set
This performs the equivalent of a .set directive in that it creates a symbol
which is an alias for another symbol or value which may possibly be yet
undefined. This directive also has the added property in that it marks the
aliased symbol as being a thumb function entry point, in the same way that the
.thumb_func directive does.
The current implementation fails one test due to an unrelated issue. Functions
within .thumb sections are not marked as thumb_func. The result is that
the aliasee function is not valued correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204059
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Adam Nemet [Mon, 17 Mar 2014 17:06:14 +0000 (17:06 +0000)]
[VectorLegalizer/X86] Don't unvectorize fp_to_uint for v8f32->v8i16
Rather than LegalizeAction::Expand, this needs LegalizeAction::Promote to get
promoted to fp_to_sint v8f32->v8i32. This is a legal operation on AVX.
For that to work properly, we also need to teach the legalizer about the
specific promotion required here. The default vector promotion uses
bitcasting to a vector type of the same total size. We want to promote the
vector element type, effectively widening the operation and then truncating
the result. This is analogous to the current logic of how int_to_fp is
promoted.
The change also factors out some code from the int_to_fp promotion code to
ValueType::widenIntegerVectorElementType. This is now shared between
int_to_fp and fp_to_int.
There is no longer need for the custom lowering of fp_to_sint f32->v8i16 in
X86. It can now go through the new target-independent fp_to_*int promotion
logic.
I also checked that no other target uses Promote for these ops yet, so there
shouldn't be any unexpected change in behavior.
Fixes <rdar://problem/
16202247>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204058
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Tom Stellard [Mon, 17 Mar 2014 17:03:52 +0000 (17:03 +0000)]
R600/SI: Fix implementation of isInlineConstant() used by the verifier
The type of the immediates should not matter as long as the encoding is
equivalent to the encoding of one of the legal inline constants.
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204056
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Tom Stellard [Mon, 17 Mar 2014 17:03:51 +0000 (17:03 +0000)]
R600/SI: Use correct dest register class for V_READFIRSTLANE_B32
This instructions writes to an 32-bit SGPR. This change required adding
the 32-bit VCC_LO and VCC_HI registers, because the full VCC register
is 64 bits.
This fixes verifier errors on several of the indirect addressing piglit
tests.
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204055
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Tom Stellard [Mon, 17 Mar 2014 17:03:49 +0000 (17:03 +0000)]
R600/SI: Add generic checks to SIInstrInfo::verifyInstruction()
Added checks for number of operands and operand register classes.
Tested-by: Michel Dänzer <michel.daenzer@amd.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204054
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Eli Bendersky [Mon, 17 Mar 2014 16:19:07 +0000 (16:19 +0000)]
Consistent use of the noduplicate attribute.
The "noduplicate" attribute of call instructions is sometimes queried directly
and sometimes through the cannotDuplicate() predicate. This patch streamlines
all queries to use the cannotDuplicate() predicate. It also adds this predicate
to InvokeInst, to mirror what CallInst has.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204049
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Alexey Samsonov [Mon, 17 Mar 2014 07:28:19 +0000 (07:28 +0000)]
[C++11] Introduce ObjectFile::symbols() to use range-based loops.
Reviewers: rafael
Reviewed By: rafael
CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D3081
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204031
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NAKAMURA Takumi [Mon, 17 Mar 2014 05:31:54 +0000 (05:31 +0000)]
llvm/test/MC/MachO/gen-dwarf-cpp.s: Relax an expression to match DOS pat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204030
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Rafael Espindola [Mon, 17 Mar 2014 04:29:51 +0000 (04:29 +0000)]
Consider the base pointer for setting the symbol type.
This is really a consistency fix. Since given
a = b
we propagate the information, we should propagate it too given
a = b + (1 - 1)
Fixes pr19145.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204028
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David Blaikie [Mon, 17 Mar 2014 01:52:11 +0000 (01:52 +0000)]
DebugInfo: Improve reuse of file table entries in asm debug info
The previous deduping strategy was woefully inadequate - it only
considered the most recent file used and avoided emitting a duplicate in
that case - never considering the a/b/a scenario.
It was also lacking when it came to directory paths as the previous
filename would never match the current if the filename had been split
into file and directory components.
This change builds caching functionality into the line table at the
lowest level in an optional form (a file number of 0 indicates that one
should be chosen and returned) and will eventually be reused by the
normal source level debugging DWARF emission.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204027
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David Blaikie [Mon, 17 Mar 2014 01:52:04 +0000 (01:52 +0000)]
Test case
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204026
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Lang Hames [Mon, 17 Mar 2014 01:51:51 +0000 (01:51 +0000)]
Deleted copy-constructor/copy-assignment broke a buildbot. Removing while I
investigate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204025
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Nico Rieck [Mon, 17 Mar 2014 01:46:52 +0000 (01:46 +0000)]
llvm-readobj: Print referred symbol name for CLR token definition
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204024
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Nico Rieck [Mon, 17 Mar 2014 01:46:28 +0000 (01:46 +0000)]
llvm-readobj: Add test for COFF auxiliary symbols as used by C++/CLI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204023
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Lang Hames [Mon, 17 Mar 2014 01:33:21 +0000 (01:33 +0000)]
Rename PBQP RegAllocSolver local variables to conform to LLVM coding style.
No functional change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204022
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Lang Hames [Mon, 17 Mar 2014 01:22:54 +0000 (01:22 +0000)]
[X86] New and improved VZeroUpperInserter optimization.
- Adds support for inserting vzerouppers before tail-calls.
This is enabled implicitly by having MachineInstr::copyImplicitOps preserve
regmask operands, which allows VZeroUpperInserter to see where tail-calls use
vector registers.
- Fixes a bug that caused the previous version of this optimization to miss some
vzeroupper insertion points in loops. (Loops-with-vector-code that followed
loops-without-vector-code were mistakenly overlooked by the previous version).
- New algorithm never revisits instructions.
Fixes <rdar://problem/
16228798>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204021
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NAKAMURA Takumi [Sun, 16 Mar 2014 23:58:43 +0000 (23:58 +0000)]
Untabify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204020
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