Sanjay Patel [Sun, 1 Mar 2015 00:09:35 +0000 (00:09 +0000)]
avoid infinite looping when folding vector multiplies of constants (PR22698)
We were missing a check for the following fold in DAGCombiner:
// fold (fmul (fmul x, c1), c2) -> (fmul x, (fmul c1, c2))
If 'x' is also a constant, then we shouldn't do anything. Otherwise, we could end up swapping the operands back and forth forever.
This should fix:
http://llvm.org/bugs/show_bug.cgi?id=22698
Differential Revision: http://reviews.llvm.org/D7917
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230884
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Sanjay Patel [Sun, 1 Mar 2015 00:02:03 +0000 (00:02 +0000)]
fixed to test only the feature, not the feature and a CPU
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230883
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 23:57:16 +0000 (23:57 +0000)]
DebugInfo: Convert DW_OP_piece => DW_OP_bit_piece
r228631 stopped using `DW_OP_piece` inside `DIExpression`s in the IR,
but it apparently missed updating these testcases. Caught by verifier
checks for `MDExpression` while working on moving the new hierarchy into
place.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230882
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Sanjay Patel [Sat, 28 Feb 2015 23:55:24 +0000 (23:55 +0000)]
make the tested feature (SSE2) explicit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230881
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 23:52:24 +0000 (23:52 +0000)]
DebugInfo: Fix invalid file reference in CodeGen/X86/unknown-location.ll
There are two types of files in the old (current) debug info schema.
!0 = !{!"some/filename", !"/path/to/dir"}
!1 = !{!"0x29", !0} ; [ DW_TAG_file_type ]
!1 has a wrapper class called `DIFile` which inherits from `DIScope` and
is referenced in 'scope' fields.
!0 is called a "file node", and debug info nodes with a 'file' field
point at one of these directly -- although they're built in `DIBuilder`
by sending in a `DIFile` and reaching into it.
In the new hierarchy, I unified these nodes as `MDFile` (which `DIFile`
is a lightweight wrapper for) in r230057. Moving the new hierarchy into
place (and upgrading testcases) caused CodeGen/X86/unknown-location.ll
to start failing -- apparently "0x29" was previously showing up in the
linetable as a filename, causing:
.loc 2 4 3
(where 2 points at filename "0x29") instead of:
.loc 1 4 3
(where 1 points at the actual filename).
Change the testcase to use the old schema correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230880
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 23:48:02 +0000 (23:48 +0000)]
DebugInfo: Use TempMDNode in DIDescriptor::replaceAllUsesWith()
Start using `TempMDNode` in `DIDescriptor::replaceAllUsesWith()`
(effectively `std::unique_ptr<MDNode, MDNode::deleteTemporary>`).
Besides making ownership more explicit, this prepares for when
`DIDescriptor` refers to nodes that are *not* `MDTuple`. The old logic
for "replacing" a node with itself used `MDNode::get()` to return a new
(uniqued) `MDTuple`, while the new logic just defers to
`MDNode::replaceWithUniqued()` (which also typically saves an allocation
and RAUW traffic by mutating the temporary in place).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230879
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Sanjay Patel [Sat, 28 Feb 2015 23:47:09 +0000 (23:47 +0000)]
fixed to test only the feature, not the feature and a CPU
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230878
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 23:21:38 +0000 (23:21 +0000)]
Optimize metadata node fields for CHECK-ability
While gaining practical experience hand-updating CHECK lines (for moving
the new debug info hierarchy into place), I learnt a few things about
CHECK-ability of the specialized node assembly output.
- The first part of a `CHECK:` is to identify the "right" node (this
is especially true if you intend to use the new `CHECK-SAME`
feature, since the first CHECK needs to identify the node correctly
before you can split the line).
- If there's a `tag:`, it should go first.
- If there's a `name:`, it should go next (followed by the
`linkageName:`, if any).
- If there's a `scope:`, it should follow after that.
- When a node type supports multiple DW_TAGs, but one is implied by
its name and is overwhelmingly more common, the `tag:` field is
terribly uninteresting unless it's different.
- `MDBasicType` is almost always `DW_TAG_base_type`.
- `MDTemplateValueParameter` is almost always
`DW_TAG_template_value_parameter`.
- Printing `name: ""` doesn't improve CHECK-ability, and there are far
more nodes than I realized that are commonly nameless.
- There are a few other fields that similarly aren't very interesting
when they're empty.
This commit updates the `AsmWriter` as suggested above (and makes
necessary changes in `LLParser` for round-tripping).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230877
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Sanjay Patel [Sat, 28 Feb 2015 22:25:06 +0000 (22:25 +0000)]
fix typo; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230876
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 22:20:16 +0000 (22:20 +0000)]
AsmWriter: Escape string fields in metadata
Properly escape string fields in metadata. I've added a spot-check with
direct coverage for `MDFile::getFilename()`, but we'll get more coverage
once the hierarchy is moved into place (since this comes up in various
checked-in testcases).
I've replicated the `if` logic using the `ShouldSkipEmpty` flag
(although a follow-up commit is going to change how often this flag is
specified); no NFCI other than escaping the string fields.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230875
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 22:16:56 +0000 (22:16 +0000)]
AsmWriter: Extract writeStringField(), NFCI
Extract logic for escaping a string field in the new debug info
hierarchy from `GenericDebugNode`. A follow-up commit will use it far
more widely (hence the dead code for `ShouldSkipEmpty`).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230873
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 21:58:10 +0000 (21:58 +0000)]
Fix buildbot issues for MDScope::getFile() after r230871
I hope this extra cast will make everyone happy...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230872
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 21:47:02 +0000 (21:47 +0000)]
IR: Specialize MDScope::getFile() for MDFile
Fix `MDScope::getFile()` so that it correctly returns a valid `MDFile`
even when it's an instance of `MDFile`. This logic is necessary because
of r230057. I'm working on moving the new hierarchy into place
out-of-tree (on track to commit Monday morning, BTW), and this was
exposed by a few failing tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230871
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Duncan P. N. Exon Smith [Sat, 28 Feb 2015 21:38:32 +0000 (21:38 +0000)]
Fix line endings on Transforms/Inline/inline_dbg_declare.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230870
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Zachary Turner [Sat, 28 Feb 2015 20:23:18 +0000 (20:23 +0000)]
[llvm-pdbdump] Better error handling.
Previously it was impossible to distinguish between "There is
no PDB implementation for this platform" and "I tried to load
the PDB, but couldn't find the file", making it hard to figure
out if you built llvm-pdbdump incorrectly or if you just mistyped
a file name.
This patch adds proper error handling so that we can know exactly
what went wrong.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230868
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Benjamin Kramer [Sat, 28 Feb 2015 20:15:07 +0000 (20:15 +0000)]
IndexedMap: Default to SmallVector<T, 0>
This looks ridiculous but SmallVector's realloc tricks really help with
large vectors of PODs, such as our virtreg IndexedMap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230866
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Benjamin Kramer [Sat, 28 Feb 2015 20:15:00 +0000 (20:15 +0000)]
DwarfAccelTable: We know how many hashes we have in the output, just reserve the precise number
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230865
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Benjamin Kramer [Sat, 28 Feb 2015 20:14:38 +0000 (20:14 +0000)]
StackColoring: Move set instead of copying. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230864
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Benjamin Kramer [Sat, 28 Feb 2015 20:14:27 +0000 (20:14 +0000)]
LiveRange: Replace a creative vector erase loop with std::remove_if.
I didn't see this so far because it scans backwards, but that doesn't
make it any less quadratic. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230863
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Nick Lewycky [Sat, 28 Feb 2015 19:43:20 +0000 (19:43 +0000)]
Revert r230812. Do not break builds for no reason.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230862
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Mehdi Amini [Sat, 28 Feb 2015 19:34:54 +0000 (19:34 +0000)]
Fixup for recent -fast-isel-abort change: code didn't match description
Level 1 should abort for all instructions but call/terminators/args.
Instead it was aborting only if the level was > 2
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230861
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Craig Topper [Sat, 28 Feb 2015 19:33:17 +0000 (19:33 +0000)]
[X86] Remove the blendpd/blendps/pblendw/pblendd intrinsics. They can represented by shuffle_vector instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230860
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Zachary Turner [Sat, 28 Feb 2015 19:08:27 +0000 (19:08 +0000)]
[raw_ostream] When printing color on Windows, use correct bg color.
When using SetConsoleTextAttribute() to set the foreground or
background color, if you don't explicitly set both colors, then
a default value of black will be chosen for whichever you don't
specify a value for.
This is annoying when you have a non default console background
color, for example, and you try to set the foreground color.
This patch gets the existing fg/bg color and when you set one
attribute, sets the opposite attribute to its existing color
prior to comitting the update.
Reviewed by: Aaron Ballman
Differential Revision: http://reviews.llvm.org/D7967
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230859
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Alexei Starovoitov [Sat, 28 Feb 2015 18:03:04 +0000 (18:03 +0000)]
bpf: fix build
complete the plumbing of passing TargetRegisterInfo through
computeRegisterProperties started by r230583
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230858
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Benjamin Kramer [Sat, 28 Feb 2015 16:47:27 +0000 (16:47 +0000)]
TRE: Just erase dead BBs and tweak the iteration loop not to increment the deleted BB iterator.
Leaving empty blocks around just opens up a can of bugs like PR22704. Deleting
them early also slightly simplifies code.
Thanks to Sanjay for the IR test case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230856
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Yaron Keren [Sat, 28 Feb 2015 15:54:04 +0000 (15:54 +0000)]
Silence variable set but not used warning in CodeGenRegisters.cpp, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230854
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Yaron Keren [Sat, 28 Feb 2015 15:29:17 +0000 (15:29 +0000)]
Silence three more variable set but not used warnings, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230853
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Peter Zotov [Sat, 28 Feb 2015 13:48:23 +0000 (13:48 +0000)]
[OCaml] Generate documentation again with autoconf buildsystem.
Patch by Evangelos Foutras:
r220899 started using ocamlfind to build the OCaml bindings but
docs/Makefile still contains references to the OCAMLDOC macro which
is no longer being defined. The result is that OCaml documentation
isn't generated/installed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230850
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Benjamin Kramer [Sat, 28 Feb 2015 13:20:15 +0000 (13:20 +0000)]
Convert push_back loops into append calls.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230849
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Yaron Keren [Sat, 28 Feb 2015 13:11:24 +0000 (13:11 +0000)]
Silence variable set but not used warning, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230848
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Benjamin Kramer [Sat, 28 Feb 2015 12:04:00 +0000 (12:04 +0000)]
ArrayRefize memory operand folding. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230846
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Benjamin Kramer [Sat, 28 Feb 2015 10:11:12 +0000 (10:11 +0000)]
Replace std::copy with a back inserter with vector append where feasible
All of the cases were just appending from random access iterators to a
vector. Using insert/append can grow the vector to the perfect size
directly and moves the growing out of the loop. No intended functionalty
change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230845
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Eric Christopher [Sat, 28 Feb 2015 10:04:18 +0000 (10:04 +0000)]
Remove option.ll as part of the Forward Control Flow Integrity
removal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230844
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Philip Reames [Sat, 28 Feb 2015 01:57:44 +0000 (01:57 +0000)]
[RewriteStatepointsForGC] Reduce indentation via early continue [NFC]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230836
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Philip Reames [Sat, 28 Feb 2015 01:52:09 +0000 (01:52 +0000)]
[RewriteStatepointsForGC] Fix another order of iteration bug
It turns out the naming of inserted phis and selects is sensative to the order in which two sets are iterated. We need to nail this down to avoid non-deterministic output and possible test failures.
The modified test is the one I first noticed something odd in. The change is making it more strict to report the error. With the test change, but without the code change, the test fails roughly 1 in 5. With the code change, I've run ~30 runs without error.
Long term, the right fix here is to adjust the naming scheme. I'm checking in this hack to avoid any possible non-determinism in the tests over the weekend. HJust because I only noticed one case doesn't mean it's actually the only case. I hope to get to the right change Monday.
std->llvm data structure changes bugfix change #3
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230835
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Philip Reames [Sat, 28 Feb 2015 00:54:41 +0000 (00:54 +0000)]
[RewriteStatepointsForGC] Reduce indentation via early continue [NFC]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230829
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Philip Reames [Sat, 28 Feb 2015 00:47:50 +0000 (00:47 +0000)]
[RewriteStatepointsForGC] Fix iterator invalidation bug
Inserting into a DenseMap you're iterating over is not well defined. This is unfortunate since this is well defined on a std::map.
"cleanup per llvm code style standards" bug #2
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230827
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Frederic Riss [Sat, 28 Feb 2015 00:42:37 +0000 (00:42 +0000)]
[dsymutil] Fully qualify llvm::make_unique<>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230826
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Frederic Riss [Sat, 28 Feb 2015 00:29:11 +0000 (00:29 +0000)]
[dsymutil] Add the DwarfStreamer class.
This class is responsible for getting the linked data to the
disk in the appropriate form. Today it it an empty shell that
just instantiates an MC layer.
As we do not put anything in the resulting file yet, we just
check it has the right architecture (and check that -o does
the right thing).
To be able to create all the components, this commit adds a
few dependencies to llvm-dsymutil, namely all-targets, MC and
AsmPrinter.
Also add a -no-output option, so that tests that do not need
the binary result can continue to run even if they do not have
the required target linked in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230824
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Frederic Riss [Sat, 28 Feb 2015 00:29:07 +0000 (00:29 +0000)]
[dsymutil] Add a LinkOptions struct to pass to the DwarfLinker. NFC.
The only option we have to pass down currently is verbosity, but there
are more to come.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230823
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Frederic Riss [Sat, 28 Feb 2015 00:29:05 +0000 (00:29 +0000)]
[dsymutil] clang-format a file
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230822
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Frederic Riss [Sat, 28 Feb 2015 00:29:03 +0000 (00:29 +0000)]
[dsymutil] Add -o option to select ouptut filename
We do not create the output file yet, so no means to test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230821
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Frederic Riss [Sat, 28 Feb 2015 00:29:01 +0000 (00:29 +0000)]
[dsymutil] Create warn() global helper...
...and reimplement DwarfLinker::reportWarning in terms of it. Other
compenents than the DwarfLinker will need to report warnings, and I'm
about to add a similar "error()" helper at the same global level so
make that consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230820
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Frederic Riss [Sat, 28 Feb 2015 00:28:56 +0000 (00:28 +0000)]
[dsymutil] Make trivial accessor const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230819
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Philip Reames [Sat, 28 Feb 2015 00:20:48 +0000 (00:20 +0000)]
[RewriteStatepointsForGC] Add tests for the base pointer identification algorithm
These tests cover the 'base object' identification and rewritting portion of RewriteStatepointsForGC. These aren't completely exhaustive, but they've proven to be reasonable effective over time at finding regressions.
In the process of porting these tests over, I found my first "cleanup per llvm code style standards" bug. We were relying on the order of iteration when testing the base pointers found for a derived pointer. When we switched from std::set to DenseSet, this stopped being a safe assumption. I'm suspecting I'm going to find more of those. In particular, I'm now really wondering about the main iteration loop for this algorithm. I need to go take a closer look at the assumptions there.
I'm not really happy with the fact these are testing what is essentially debug output (i.e. enabled via command line flags). Suggestions for how to structure this better are very welcome.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230818
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Jonathan Roelofs [Fri, 27 Feb 2015 23:35:47 +0000 (23:35 +0000)]
Discourage in-source autoconf builds (as we already do for the cmake build)
http://reviews.llvm.org/D7961
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230812
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Bill Schmidt [Fri, 27 Feb 2015 23:29:57 +0000 (23:29 +0000)]
Regenerated test case from pr 230801 for change in LLVM IR syntax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230811
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David Blaikie [Fri, 27 Feb 2015 23:29:39 +0000 (23:29 +0000)]
Update SystemZ/Large test generators to handle new gep IR syntax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230810
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David Blaikie [Fri, 27 Feb 2015 23:29:33 +0000 (23:29 +0000)]
Update SystemZ/Large test generators to handle new load IR syntax
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230809
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Philip Reames [Fri, 27 Feb 2015 23:14:50 +0000 (23:14 +0000)]
[new docs] Performance Tips for Frontend Authors
As mentioned on llvm-dev, this is a new documentation page intended to collect tips for frontend authors on how to generate IR that LLVM is able to optimize well. These types of things come up repeated in review threads and it would be good to have a place to save them.
I added a small handful to start us off, but I mostly want to get the framework in place. Once the docs are here, we can add to them incrementally. If you know of something appropriate for this page, please add it!
Differential Revision: http://reviews.llvm.org/D7890
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230807
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Benjamin Kramer [Fri, 27 Feb 2015 23:13:13 +0000 (23:13 +0000)]
MachineDominators: Move applySplitCriticalEdges into the cpp file.
It's too big for inlining anyways. Also clean it up slightly. No functionality
change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230806
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David Majnemer [Fri, 27 Feb 2015 22:35:25 +0000 (22:35 +0000)]
llvm-vtabledump: Update field with a better name
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230804
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Bill Schmidt [Fri, 27 Feb 2015 22:31:14 +0000 (22:31 +0000)]
Revert test case until it can be fixed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230803
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Bill Schmidt [Fri, 27 Feb 2015 22:14:10 +0000 (22:14 +0000)]
[PowerPC] Fix PR22711 - Misaligned .toc section
Straightforward patch to emit an alignment directive when emitting a
TOC entry. The test case was generated from the test in PR22711 that
demonstrated a misaligned .toc section. The object code is run
through llvm-readobj to verify that the correct alignment has been
applied to the .toc section.
Thanks to Ulrich Weigand for running down where the fix was needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230801
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Benjamin Kramer [Fri, 27 Feb 2015 21:43:14 +0000 (21:43 +0000)]
Reduce double set lookups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230798
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David Blaikie [Fri, 27 Feb 2015 21:17:42 +0000 (21:17 +0000)]
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794
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Charles Davis [Fri, 27 Feb 2015 21:11:16 +0000 (21:11 +0000)]
Target/X86: Never use the redzone for Win64 ABI functions.
Summary:
Until now, we did this (among other things) based on whether or not the
target was Windows. This is clearly wrong, not just for Win64 ABI functions
on non-Windows, but for System V ABI functions on Windows, too. In this
change, we make this decision based on the ABI the calling convention
specifies instead.
Reviewers: rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7953
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230793
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Hal Finkel [Fri, 27 Feb 2015 19:58:28 +0000 (19:58 +0000)]
[PowerPC] Use vector types for memcpy and friends (sometimes)
When using Altivec, we can use vector loads and stores for aligned memcpy and
friends. Starting with the P7 and VXS, we have reasonable unaligned vector
stores. Starting with the P8, we have fast unaligned loads too.
For QPX, we use vector loads are stores, but only for aligned memory accesses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230788
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David Blaikie [Fri, 27 Feb 2015 19:29:02 +0000 (19:29 +0000)]
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.
This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.
* This doesn't modify gep operators, only instructions (operators will be
handled separately)
* Textual IR changes only. Bitcode (including upgrade) and changing the
in-memory representation will be in separate changes.
* geps of vectors are transformed as:
getelementptr <4 x float*> %x, ...
->getelementptr float, <4 x float*> %x, ...
Then, once the opaque pointer type is introduced, this will ultimately look
like:
getelementptr float, <4 x ptr> %x
with the unambiguous interpretation that it is a vector of pointers to float.
* address spaces remain on the pointer, not the type:
getelementptr float addrspace(1)* %x
->getelementptr float, float addrspace(1)* %x
Then, eventually:
getelementptr float, ptr addrspace(1) %x
Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.
update.py:
import fileinput
import sys
import re
ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile( r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
def conv(match, line):
if not match:
return line
line = match.groups()[0]
if len(match.groups()[5]) == 0:
line += match.groups()[2]
line += match.groups()[3]
line += ", "
line += match.groups()[1]
line += "\n"
return line
for line in sys.stdin:
if line.find("getelementptr ") == line.find("getelementptr inbounds"):
if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
line = conv(re.match(ibrep, line), line)
elif line.find("getelementptr ") != line.find("getelementptr ("):
line = conv(re.match(normrep, line), line)
sys.stdout.write(line)
apply.sh:
for name in "$@"
do
python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
rm -f "$name.tmp"
done
The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh
After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).
The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7636
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230786
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Benjamin Kramer [Fri, 27 Feb 2015 19:06:26 +0000 (19:06 +0000)]
Refer users looking for the release notes to 3.6.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230781
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Eric Christopher [Fri, 27 Feb 2015 19:03:38 +0000 (19:03 +0000)]
Remove the Forward Control Flow Integrity pass and its dependencies.
This work is currently being rethought along different lines and
if this work is needed it can be resurrected out of svn. Remove it
for now as no current work in ongoing on it and it's unused. Verified
with the authors before removal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230780
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Justin Bogner [Fri, 27 Feb 2015 18:58:23 +0000 (18:58 +0000)]
Object: Test for reading kext bundles
In the review for r230567, it was pointed out we should really test
the lib/Object part of that change. This does so using llvm-readobj.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230779
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Reid Kleckner [Fri, 27 Feb 2015 18:34:16 +0000 (18:34 +0000)]
Delete LLVM_DELETED_FUNCTION from coding standards
It didn't seem worth leaving behind a guideline to use '= delete' to
make a class uncopyable. That's a well known C++ design pattern.
Reported on the mailing list and in PR22724.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230776
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Mehdi Amini [Fri, 27 Feb 2015 18:32:11 +0000 (18:32 +0000)]
Change the fast-isel-abort option from bool to int to enable "levels"
Summary:
Currently fast-isel-abort will only abort for regular instructions,
and just warn for function calls, terminators, function arguments.
There is already fast-isel-abort-args but nothing for calls and
terminators.
This change turns the fast-isel-abort options into an integer option,
so that multiple levels of strictness can be defined.
This will help no being surprised when the "abort" option indeed does
not abort, and enables the possibility to write test that verifies
that no intrinsics are forgotten by fast-isel.
Reviewers: resistor, echristo
Subscribers: jfb, llvm-commits
Differential Revision: http://reviews.llvm.org/D7941
From: Mehdi Amini <mehdi.amini@apple.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230775
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Reid Kleckner [Fri, 27 Feb 2015 18:22:46 +0000 (18:22 +0000)]
Minor follow-ups to r229720 suggested on llvmdev
"svn" patch by Sedat Dilek plus trimming whitespace added in r229720.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230773
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Rafael Espindola [Fri, 27 Feb 2015 18:18:39 +0000 (18:18 +0000)]
Centralize handling of the eh_begin and eh_end labels.
This removes a bit of duplicated code and more importantly, remembers the
labels so that they don't need to be looked up by name.
This in turn allows for any name to be used and avoids a crash if the name
we wanted was already taken.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230772
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Sanjay Patel [Fri, 27 Feb 2015 18:07:41 +0000 (18:07 +0000)]
remove function names from comments; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230771
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Owen Anderson [Fri, 27 Feb 2015 17:57:01 +0000 (17:57 +0000)]
Switch a std::map to a DenseMap in CodeGenRegisters.
The keys of the map are unique by pointer address, so there's no need
to use the llvm::less comparator. This allows us to use DenseMap
instead, which reduces tblgen time by 20% on my stress test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230769
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Sanjay Patel [Fri, 27 Feb 2015 17:27:15 +0000 (17:27 +0000)]
remove function names from comments; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230766
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Renato Golin [Fri, 27 Feb 2015 16:35:27 +0000 (16:35 +0000)]
Equally to NetBSD, Bitrig/ARM uses the Itanium-ABI.
Patch by Patrick Wildt.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230762
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Zoran Jovanovic [Fri, 27 Feb 2015 15:03:50 +0000 (15:03 +0000)]
[mips][microMIPS] Change register class for GP register
Differential Revision: http://reviews.llvm.org/D7934
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230760
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Tom Stellard [Fri, 27 Feb 2015 14:59:46 +0000 (14:59 +0000)]
R600/SI: Add missing mubuf instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230759
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Tom Stellard [Fri, 27 Feb 2015 14:59:44 +0000 (14:59 +0000)]
R600/SI: Consistently put soffset before the offset operand for mubuf instructions
This matches the assembly syntax.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230758
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Tom Stellard [Fri, 27 Feb 2015 14:59:41 +0000 (14:59 +0000)]
R600/SI: Add slc, glc, and tfe to non-atomic _ADDR64 instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230757
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Petar Jovanovic [Fri, 27 Feb 2015 14:46:41 +0000 (14:46 +0000)]
Pass correct -mtriple for krait-cpu-div-attribute.ll
Not passing mtriple for one of the tests caused a regression failure
on MIPS buildbot. The issue was introduced by r230651.
Differential Revision: http://reviews.llvm.org/D7938
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230756
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Chandler Carruth [Fri, 27 Feb 2015 12:13:14 +0000 (12:13 +0000)]
[x86] Run most of the rest of the shuffle combining over non-128-bit
vectors. This lets us fix the rest of the v16 lowering problems when
pshufb is clearly better.
We might still be able to improve some of the lowerings by enabling the
other combine-based rewriting to fire for non-128-bit vectors, but this
at least should remove any regressions from using the fancy v16i16
lowering strategy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230753
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Chandler Carruth [Fri, 27 Feb 2015 11:45:13 +0000 (11:45 +0000)]
[x86] Teach a bunch of the x86-specific shuffle combining to work with
256-bit vectors as well as 128-bit vectors. Fixes some of the redundant
shuffles for v16i16.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230752
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Chandler Carruth [Fri, 27 Feb 2015 11:33:46 +0000 (11:33 +0000)]
[x86] Make the v8i16 clever single-input shuffle lowering usable for
repeated 128-bit lane shuffles of wider vector types and use it to lower
256-bit v16i16 vector shuffles where applicable.
This should let us perfectly lowering the pattern of pshuflw and pshufhw
even for AVX2 256-bit patterns.
I've not added AVX-512 support, but it should be trivial for someone
working on that to wire up.
Note that currently this generates bad, long shuffle chains because we
don't combine 256-bit target shuffles. The subsequent patches will fix
that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230751
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Chandler Carruth [Fri, 27 Feb 2015 11:25:10 +0000 (11:25 +0000)]
[x86] Add a bunch more tests for v16i16 shuffles. All of these are taken
by mirroring v8i16 test cases across both 128-bit lanes. This should
highlight problems where we aren't correctly using 128-bit shuffles to
implement things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230750
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Toma Tabacu [Fri, 27 Feb 2015 10:44:02 +0000 (10:44 +0000)]
[mips] Remove redundant periods from -mattr=help descriptions for MIPS.
Summary: Also fixes an infringement of the 80-column limit rule.
Reviewers: dsanders
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7910
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230748
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Zachary Turner [Fri, 27 Feb 2015 09:53:55 +0000 (09:53 +0000)]
[llvm-pdbdump] Fix member initialization order warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230747
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Zachary Turner [Fri, 27 Feb 2015 09:15:59 +0000 (09:15 +0000)]
[llvm-pdbdump] Colorize output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230746
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Zachary Turner [Fri, 27 Feb 2015 09:15:31 +0000 (09:15 +0000)]
[llvm-pdbdump] Fix warnings found by clang-cl self host.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230745
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Zachary Turner [Fri, 27 Feb 2015 09:15:18 +0000 (09:15 +0000)]
[llvm-pdbdump] Add support for dumping global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230744
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Chandler Carruth [Fri, 27 Feb 2015 09:11:38 +0000 (09:11 +0000)]
[x86] Make the single-input v8i16 lowering directly recurse rather than
going back through the entire vector shuffle lowering.
This is an important step to being able to re-use this logic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230743
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Vasileios Kalintiris [Fri, 27 Feb 2015 09:01:39 +0000 (09:01 +0000)]
[mips] Account for constant-zero operands in ADDE nodes.
Summary:
We identify the cases where the operand to an ADDE node is a constant
zero. In such cases, we can avoid generating an extra ADDu instruction
disguised as an identity move alias (ie. addu $r, $r, 0 --> move $r, $r).
Reviewers: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7906
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230742
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Anna Zaks [Fri, 27 Feb 2015 03:12:36 +0000 (03:12 +0000)]
[asan] Skip promotable allocas to improve performance at -O0
Currently, the ASan executables built with -O0 are unnecessarily slow.
The main reason is that ASan instrumentation pass inserts redundant
checks around promotable allocas. These allocas do not get instrumented
under -O1 because they get converted to virtual registered by mem2reg.
With this patch, ASan instrumentation pass will only instrument non
promotable allocas, giving us a speedup of 39% on a collection of
benchmarks with -O0. (There is no measurable speedup at -O1.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230724
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Sanjoy Das [Fri, 27 Feb 2015 02:24:16 +0000 (02:24 +0000)]
Don't modify the DenseMap being iterated over from within the loop
that is iterating over it
Inserting elements into a `DenseMap` invalidated iterators pointing
into the `DenseMap` instance.
Differential Revision: http://reviews.llvm.org/D7924
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230719
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Sanjoy Das [Fri, 27 Feb 2015 02:19:11 +0000 (02:19 +0000)]
Fix a use-iterator-after-invalidate error
AnalysisResult::getResultImpl reuses an iterator into a DenseMap after
inserting elements into it. This change adds code to recompute the
iterator before the second use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230718
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Charles Davis [Fri, 27 Feb 2015 00:57:01 +0000 (00:57 +0000)]
Target/X86: Save Win64 non-volatile registers in a Win64 ABI function.
Summary:
This change causes us to actually save non-volatile registers in a Win64
ABI function that calls a System V ABI function, and vice-versa.
Reviewers: rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7919
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230714
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David Majnemer [Fri, 27 Feb 2015 00:43:58 +0000 (00:43 +0000)]
llvm-vtabledump: Dump catch/throw exception structures for MS ABI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230713
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Eric Christopher [Fri, 27 Feb 2015 00:11:34 +0000 (00:11 +0000)]
Rewrite MachineOperand::print and MachineInstr::print to avoid
uses of TM->getSubtargetImpl and propagate to all calls.
This could be a debugging regression in places where we had a
TargetMachine and/or MachineFunction but don't have it as part
of the MachineInstr. Fixing this would require passing a
MachineFunction/Function down through the print operator, but
none of the existing uses in tree seem to do this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230710
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Rafael Espindola [Thu, 26 Feb 2015 23:55:11 +0000 (23:55 +0000)]
Put jump tables in distinct sections if -ffunction-sections is used.
A small regression in r230411 was that we were basing the decision on
-fdata-sections.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230707
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Lang Hames [Thu, 26 Feb 2015 23:52:42 +0000 (23:52 +0000)]
[Orc][Kaleidoscope] More tutorial cleanup, a little extra debugging output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230705
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Zachary Turner [Thu, 26 Feb 2015 23:51:49 +0000 (23:51 +0000)]
[llvm-pdbdump] Add missing files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230704
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Zachary Turner [Thu, 26 Feb 2015 23:49:23 +0000 (23:49 +0000)]
[llvm-pdbdump] Fix dumping of function pointers and basic types.
Function pointers were not correctly handled by the dumper, and
they would print as "* name". They now print as
"int (__cdecl *name)(int arg1, int arg2)" as they should.
Also, doubles were being printed as floats. This fixes that bug
as well, and adds tests for all builtin types. as well as a test
for function pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230703
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Eric Christopher [Thu, 26 Feb 2015 23:36:28 +0000 (23:36 +0000)]
Remove commented out function.
(Saving files works, who knew?)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230701
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Eric Christopher [Thu, 26 Feb 2015 23:32:17 +0000 (23:32 +0000)]
Remove DebugLoc::print(LLVMContext, raw_ostream), it was just
forwarding to the one that didn't take a context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230700
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Eric Christopher [Thu, 26 Feb 2015 22:38:43 +0000 (22:38 +0000)]
getRegForInlineAsmConstraint wants to use TargetRegisterInfo for
a lookup, pass that in rather than use a naked call to getSubtargetImpl.
This involved passing down and around either a TargetMachine or
TargetRegisterInfo. Update all callers/definitions around the targets
and SelectionDAG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230699
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Eric Christopher [Thu, 26 Feb 2015 22:38:34 +0000 (22:38 +0000)]
Add a TargetMachine argument to the AddressingModeMatcher, we'll
need this shortly to get a TargetRegisterInfo from the subtarget
for TargetLowering routines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230698
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