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Lang Hames [Wed, 15 Apr 2015 04:46:01 +0000 (04:46 +0000)]
[RuntimeDyld] Add casts to make delta computation 64-bit.
Hopefully this will fix the i686/msvc build failure described at:
http://bb.pgr.jp/builders/ninja-clang-i686-msc18-R/builds/803
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234977
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Lang Hames [Wed, 15 Apr 2015 03:39:22 +0000 (03:39 +0000)]
[RuntimeDyld] Make sure we emit MachO __eh_frame and __gcc_except_tab sections,
even if there are no references to them in the code.
This allows exceptions thrown from JIT'd code to be caught by the JIT itself.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234975
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Richard Trieu [Wed, 15 Apr 2015 03:17:49 +0000 (03:17 +0000)]
Change range-based for-loop to use const auto&. No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234974
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 03:14:06 +0000 (03:14 +0000)]
uselistorder: Remove the global bits
Remove all the global bits to do with preserving use-list order by
moving the `cl::opt`s to the individual tools that want them. There's a
minor functionality change to `libLTO`, in that you can't send in
`-preserve-bc-uselistorder=false`, but making that bit settable (if it's
worth doing) should be through explicit LTO API.
As a drive-by fix, I removed some includes of `UseListOrder.h` that were
made unnecessary by recent commits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234973
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Alexei Starovoitov [Wed, 15 Apr 2015 02:48:57 +0000 (02:48 +0000)]
[bpf] fix build
fix build due to refactoring in DIL/MDL and raw_pwrite_stream
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234971
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 02:38:06 +0000 (02:38 +0000)]
uselistorder: Pull the bit through PrintModulePass
Now the callers of `PrintModulePass()` (etc.) that care about use-list
order in assembly pass in the flag.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234969
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 02:12:41 +0000 (02:12 +0000)]
uselistorder: Pull the assembly bit up out of the printer
Pull the `-preserve-ll-uselistorder` bit up through all the callers of
`Module::print()`. I converted callers of `operator<<` to
`Module::print()` where necessary to pull the bit through.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234968
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 01:36:30 +0000 (01:36 +0000)]
uselistorder: Start pulling out -preserve-ll-uselistorder
For consistency, start pulling out `-preserve-ll-uselistorder`. I'll
drop the global state for both eventually. This pulls it up to
`Module::print()` (but not past there).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234966
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Richard Trieu [Wed, 15 Apr 2015 01:21:15 +0000 (01:21 +0000)]
Change range-based for-loops to be -Wrange-loop-analysis clean.
No functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234963
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 00:34:24 +0000 (00:34 +0000)]
uselistorder: Pull bit through BitcodeWriterPass
Now the callers of `BitcodeWriterPass` decide whether or not to preserve
bitcode use-list order.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234959
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 00:13:51 +0000 (00:13 +0000)]
Fix build error from r234957
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234958
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Duncan P. N. Exon Smith [Wed, 15 Apr 2015 00:10:50 +0000 (00:10 +0000)]
uselistorder: Pull the bit through WriteToBitcodFile()
Change the callers of `WriteToBitcodeFile()` to pass `true` or
`shouldPreserveBitcodeUseListOrder()` explicitly. I left the callers
that want to send `false` alone.
I'll keep pushing the bit higher until hopefully I can delete the global
`cl::opt` entirely.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234957
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 23:45:11 +0000 (23:45 +0000)]
uselistorder: Thread bit through ValueEnumerator
Canonicalize access to whether to preserve use-list order in bitcode on
a `bool` stored in `ValueEnumerator`. Next step, expose this as a
`bool` through `WriteBitcodeToFile()`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234956
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Rafael Espindola [Tue, 14 Apr 2015 22:54:16 +0000 (22:54 +0000)]
Use the ability to pwrite to simplify the ELF writer.
Now we don't have to do 2 synchronized passes to compute offsets and then
write the file.
This also includes a fix for the corner case of seeking in /dev/null. It
is not an error, but on some systems (Linux) the returned offset is
always 0. An error is signaled by returning -1. This is checked by
the existing tests now that "clang -o /dev/null ..." seeks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234952
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Rafael Espindola [Tue, 14 Apr 2015 22:14:34 +0000 (22:14 +0000)]
Use raw_pwrite_stream in the object writer/streamer.
The ELF object writer will take advantage of that in the next commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234950
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Reid Kleckner [Tue, 14 Apr 2015 21:42:36 +0000 (21:42 +0000)]
[WinEH] Avoid emitting xdata tables twice for cleanups
Since adding invokes of llvm.donothing to cleanups, we come here now,
and trivial EH cleanup usage from clang fails to compile.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234948
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Ed Maste [Tue, 14 Apr 2015 20:52:58 +0000 (20:52 +0000)]
Correct 'teh' and other typos / repeated words.
Patch by Eitan Adler.
Differential Revision: http://reviews.llvm.org/D8514
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234939
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Reid Kleckner [Tue, 14 Apr 2015 20:38:14 +0000 (20:38 +0000)]
[Inliner] Don't inline functions with frameescape calls
Inlining such intrinsics is very difficult, since you need to
simultaneously transform many calls to llvm.framerecover and potentially
duplicate the functions containing them. Normally this intrinsic isn't
added until EH preparation, which is part of the backend pass pipeline
after inlining. However, if it were to get fed through the inliner,
this change will ensure that it doesn't break the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234937
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Daniel Berlin [Tue, 14 Apr 2015 19:49:26 +0000 (19:49 +0000)]
Only recalculate DFS Numbers if invalid. Invalidate DFS numbers on reset. Add unit test to verify recalculation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234933
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Daniel Berlin [Tue, 14 Apr 2015 19:09:16 +0000 (19:09 +0000)]
Make updateDFSNumbers API public
Summary:
There are a number of passes that could be sped up by using dominator tree DFS numbers to order or compare things across multiple bbs
(MemorySSA, MergedLoadStoreMotion, EarlyCSE, Sinking, GVN, NewGVN, for starters :P).
For example, GVN/CSE elimination can be done with a simple stack/etc (instead of full-on scoped hash table or repeated leader set walks)
if the DFS pair is stored next to leaders.
The dominator tree keeps them, and the DOM tree nodes expose them as public, but you have no guarantee they are up to date (and in fact,
if you split blocks or whatever during your pass, they definitely won't be)
This means passes either have to compute their own versions[1], or make 32 queries, or ....
Rather than try to hide this, i just made the API public, and make it do nothing if the numbers are already valid.
[1] Which we want as a non-recursive walk, which is not pretty, sadly,
because it cannot use the depth first iterators since you don't get called on the way back up. So you either have to do one walk with po_iterator
and one with df_iterator, or write your own non-recursive walk that looks identical to the one in updateDFSNumbers.
Reviewers: chandlerc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8946
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234930
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 19:04:03 +0000 (19:04 +0000)]
verify-uselistorder: More outs() and errs(), less dbgs()
Change all the normally relevant output in `verify-uselistorder` from
using `dbgs()` to using `outs()` and `errs()`. Now you don't need
`-debug=uselistorder` to figure out what's going on (or at what stage
verification failed, or to get the paths of the left-behind temporary
files). This is a debugging tool, so I put the logging messages on
`outs()` and the error messages on `errs()`.
I also adjusted the output to be less ***loud***. Not sure why I was so
`*`-happy when I first wrote this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234929
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 18:33:00 +0000 (18:33 +0000)]
IR: Set -preserve-bc-uselistorder=false by default
But keep it on by default in `llvm-as`, `opt`, `bugpoint`, `llvm-link`,
`llvm-extract`, and `LTOCodeGenerator`. Part of PR5680.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234921
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 18:19:27 +0000 (18:19 +0000)]
IR: Rename 'use-list-order' options to 'uselistorder'
Rename options to be consistent with the name of `verify-uselistorder`,
and update `DEBUG_TYPE` (etc.) to be consistent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234919
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Daniel Berlin [Tue, 14 Apr 2015 18:14:38 +0000 (18:14 +0000)]
Add ladder graph utility
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234917
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David Blaikie [Tue, 14 Apr 2015 18:08:25 +0000 (18:08 +0000)]
DebugInfo: Pubnames: Do not include variable declarations in pubnames
This causes badness for GDB which expects to find a definition in any
compile_unit that has an entry for the variable in its pubnames.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234915
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David Blaikie [Tue, 14 Apr 2015 17:17:04 +0000 (17:17 +0000)]
Update test case to include the original source code & account for some changes in clang's order of emission
I'd added some stuff to this test case without adding the original
source, which makes updating/adding further stuff rather difficult. So
update it first (& it seems in the interim Clang's changed its output
order a bit, so adjust the CHECK lines to account for that - rather than
hand hacking the IR order which just makes it harder to maintain/change
next time)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234911
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Lang Hames [Tue, 14 Apr 2015 17:13:10 +0000 (17:13 +0000)]
[RuntimeDyld] Make SectionEntry's Name field a std::string.
StringRef is unsafe here, since SectionEntry instances can outlive the
ObjectFile instances they are created from.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234910
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Lang Hames [Tue, 14 Apr 2015 16:58:05 +0000 (16:58 +0000)]
[Orc] Reapply r234815, outputting via stdout instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234908
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Zachary Turner [Tue, 14 Apr 2015 16:57:54 +0000 (16:57 +0000)]
[msvc] Strip /W[0-4] before appending /W4
Certain versions of CMake specify /W3 as part of CMAKE_CXX_FLAGS
by default, before you do anything. Appending /W4 to the end of
this and using the Ninja generator results in
cl : Command line warning D9025 : overriding '/W3' with '/W4'.
It is not possible to suppress this since it is a command line
warning and not a compiler warning, so we must fix the command
line to contain only one value for /Wn.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234907
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 16:19:44 +0000 (16:19 +0000)]
DebugInfo: Add implicit conversion from DISubprogram to DIScope
As a follow-up to r234850, add an implicit conversion from
`DISubprogram` to `DIScope` to support Kaleidoscope Ch. 8. This also
reverts that band-aid from r234890.
(/me learns *again* to build Kaleidoscope before commit...)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234904
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Rafael Espindola [Tue, 14 Apr 2015 15:56:33 +0000 (15:56 +0000)]
Revert "The code that originally made me discover this is:"
This reverts commit r234898.
CodeGen/ARM/2013-10-11-select-stalls.ll was faling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234903
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Chad Rosier [Tue, 14 Apr 2015 15:52:57 +0000 (15:52 +0000)]
Improve RefreshCallGraph to remove invalid call graph edge.
With commit r219944, InstCombine can now turn a sqrtl into a llvm.fabs.f64.
The call graph edge originally representing the call to sqrtl becomes invalid.
This patch modifies CGPassManager::RefreshCallGraph() to remove the invalid
call graph edge, which can triggers an assert in
CallGraphNode::addCalledFunction().
Phabricator Review: http://reviews.llvm.org/D7705
Patch by Lawrence Hu <lawrence@codeaurora.org>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234902
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Alexander Kornienko [Tue, 14 Apr 2015 15:32:58 +0000 (15:32 +0000)]
Refactor: Simplify boolean expressions in ARM target
Simplify boolean expressions using `true` and `false` with `clang-tidy`
http://reviews.llvm.org/D8524
Patch by Richard Thomson!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234901
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Krzysztof Parzyszek [Tue, 14 Apr 2015 15:28:42 +0000 (15:28 +0000)]
Change the testcase mtriple to x86_64-unknown-unknown
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234900
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Rafael Espindola [Tue, 14 Apr 2015 15:25:14 +0000 (15:25 +0000)]
Fix MSVC build.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234899
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Daniel Jasper [Tue, 14 Apr 2015 15:20:37 +0000 (15:20 +0000)]
The code that originally made me discover this is:
if ((a & 0x1) == 0x1) {
..
}
In this case we don't actually have any branch probability information and
should not assume to have any. LLVM transforms this into:
%and = and i32 %a, 1
%tobool = icmp eq i32 %and, 0
So, in this case, the result of a bitwise and is compared against 0,
but nevertheless, we should not assume to have probability
information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234898
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Bradley Smith [Tue, 14 Apr 2015 15:07:26 +0000 (15:07 +0000)]
[AArch64] Allow non-standard INS/DUP encodings
The ARMv8 ARMARM states that for these instructions in A64 state:
"Unspecified bits in "imm5" are ignored but should be set to zero by an assembler.", (imm4 for INS).
Make the disassembler accept any encoding with these ignored bits set to 1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234896
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Rafael Espindola [Tue, 14 Apr 2015 15:00:34 +0000 (15:00 +0000)]
Add raw_pwrite_stream type.
This is a raw_ostream that also supports pwrite.
I will be used in a sec.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234895
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Tom Stellard [Tue, 14 Apr 2015 14:36:45 +0000 (14:36 +0000)]
R600/SI: Fix verifier error caused by SIAnnotateControlFlow
This pass will always try to insert llvm.SI.ifbreak intrinsics
in the same block that its conditional value is computed in. This is
a problem when conditions for breaks or continue are computed outside
of the loop, because the llvm.SI.ifbreak intrinsic ends up being inserted
outside of the loop.
This patch fixes this problem by inserting the llvm.SI.ifbreak
intrinsics in the loop header when the condition is computed outside
the loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234891
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Aaron Ballman [Tue, 14 Apr 2015 14:19:09 +0000 (14:19 +0000)]
Fixing a compile error with MSVC 2013 where there is no conversion from DISubprogram to DIScope directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234890
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Filipe Cabecinhas [Tue, 14 Apr 2015 14:07:15 +0000 (14:07 +0000)]
Error out of ParseBitcodeInto(Module*) if we haven't read a Module
Summary:
Without this check the following case failed:
Skip a SubBlock which is not a MODULE_BLOCK_ID nor a BLOCKINFO_BLOCK_ID
Got to end of file
TheModule would still be == nullptr, and we would subsequentially fail
when materializing the Module (assert at the start of
BitcodeReader::MaterializeModule).
Bug found with AFL.
Reviewers: dexonsmith, rafael
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9014
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234887
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Aaron Ballman [Tue, 14 Apr 2015 13:26:11 +0000 (13:26 +0000)]
Silencing a -Wreturn-type warning, as the switch is fully-covered; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234884
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Petar Jovanovic [Tue, 14 Apr 2015 13:23:34 +0000 (13:23 +0000)]
Re-enable target-specific relocation table sorting and use it for Mips
Some targets (ie. Mips) have additional rules for ordering the relocation
table entries. Allow them to override generic sortRelocs(), which sorts
entries by Offset.
Then override this function for Mips, to emit HI16 and GOT16 relocations
against the local symbol in pair with the corresponding LO16 relocation.
Patch by Vladimir Stefanovic.
Differential Revision: http://reviews.llvm.org/D7414
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234883
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Daniel Jasper [Tue, 14 Apr 2015 11:56:25 +0000 (11:56 +0000)]
[MachineLICM] Use newer model of register pressure sets.
TargetRegisterInfo::getRegPressureLimit has a note that it is an old
model that relies on manually entered classes. Using the newer model of
register pressure sets seems more appropriate. We might eventually even
switch to lib/CodeGen/RegisterPressure.cpp, but we should probably do
incremental changes here.
Using the newer model also makes it easier to take regmasks into account
which is necessary to fix llvm.org/PR23143. I am currently also
preparing a patch for that, but would like to do this switch
independently.
Review: http://reviews.llvm.org/D8986
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234880
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NAKAMURA Takumi [Tue, 14 Apr 2015 10:54:14 +0000 (10:54 +0000)]
Roll back llvm/test/ExecutionEngine/MCJIT/cross-module-sm-pic-a.ll, possibly wrong commit.
It reverts part of r234839, "[RuntimeDyldELF] Improve GOT support".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234879
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Anders Waldenborg [Tue, 14 Apr 2015 09:18:17 +0000 (09:18 +0000)]
Fix crash in DebugInfoFinder when adding a module with forward declared composite type
The testcase that is included in the patch caused a crash when doing DebugInfoFinder::processModule
on the module due to DCT->getElements() returning nullptr in DebugInfoFinder::processType.
By doing "DCT->getElements()" instead of "DCT->getElements()->operands()" one gets a DIArray
instead of a raw MDTuple. The former has code to handle null as a 0-element array and
therefore avoids the crash.
Differential Revision: http://reviews.llvm.org/D9008
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234875
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Jingyue Wu [Tue, 14 Apr 2015 04:59:22 +0000 (04:59 +0000)]
Simplify n-ary adds by reassociation
Summary:
This transformation reassociates a n-ary add so that the add can partially reuse
existing instructions. For example, this pass can simplify
void foo(int a, int b) {
bar(a + b);
bar((a + 2) + b);
}
to
void foo(int a, int b) {
int t = a + b;
bar(t);
bar(t + 2);
}
saving one add instruction.
Fixes PR22357 (https://llvm.org/bugs/show_bug.cgi?id=22357).
Test Plan: nary-add.ll
Reviewers: broune, dberlin, hfinkel, meheff, sanjoy, atrick
Reviewed By: sanjoy, atrick
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8950
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234855
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 03:51:36 +0000 (03:51 +0000)]
DebugInfo: Update signature of DICompileUnit::replace*()
Change `DICompileUnit::replaceSubprograms()` and
`DICompileUnit::replaceGlobalVariables()` to match the `MDCompileUnit`
equivalents that they're wrapping.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234852
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Dmitri Gribenko [Tue, 14 Apr 2015 03:49:53 +0000 (03:49 +0000)]
LinkAllPasses.h: also link in parts of libLLVMSupport
When a loadable (.so or .dylib) pass is built with assertions enabled and
loaded into the 'opt' tool, we need to ensure that the extra symbols that such
passes depend on are linked into the tool.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234851
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 03:40:37 +0000 (03:40 +0000)]
DebugInfo: Gut DISubprogram and DILexicalBlock*
Gut the `DIDescriptor` wrappers around `MDLocalScope` subclasses. Note
that `DILexicalBlock` wraps `MDLexicalBlockBase`, not `MDLexicalBlock`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234850
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Sanjoy Das [Tue, 14 Apr 2015 03:20:40 +0000 (03:20 +0000)]
[SCEVExpander] Fix comments for functions. NFC.
Bring function documentation for ScalarEvolutionExpander up to code by
not repeating the function name in the comment documenting
functionality. Reflow the edited comments where needed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234847
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Sanjoy Das [Tue, 14 Apr 2015 03:20:38 +0000 (03:20 +0000)]
[LoopUnrollRuntime] Avoid high-cost trip count computation.
Summary:
Runtime unrolling of loops needs to emit an expression to compute the
loop's runtime trip-count. Avoid runtime unrolling if this computation
will be expensive.
Depends on D8993.
Reviewers: atrick
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8994
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234846
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Sanjoy Das [Tue, 14 Apr 2015 03:20:32 +0000 (03:20 +0000)]
[SCEV] Strengthen SCEVExpander::isHighCostExpansion.
Summary:
Teach `isHighCostExpansion` to consider divisions by power-of-two
constants as cheap and add a test case. This change is needed for a new
user of `isHighCostExpansion` that will be added in a subsequent change.
Depends on D8995.
Reviewers: atrick
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8993
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234845
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Sanjoy Das [Tue, 14 Apr 2015 03:20:28 +0000 (03:20 +0000)]
[SCEV] Refactor out isHighCostExpansion. NFCI.
Summary:
Move isHighCostExpansion from IndVarSimplify to SCEVExpander. This
exposed function will be used in a subsequent change.
Reviewers: bogner, atrick
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8995
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234844
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 03:01:27 +0000 (03:01 +0000)]
DebugInfo: Gut DINamespace and DITemplate*Parameter
Continue gutting `DIDescriptor` subclasses, turning them into
as-bare-as-possible pointer wrappers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234843
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 02:50:07 +0000 (02:50 +0000)]
DebugInfo: Add MDLexicalBlockBase::getLine(), etc.
Add a few functions from `DILexicalBlock` to `MDLexicalBlockBase`,
leaving `DILexicalBlock` a simple wrapper.
IMO, the new functions (`getLine()` and `getColumn()`) don't really
belong in the base class, but to simplify transitioning old code it
seems like the right incremental step. I've explicitly deleted them in
`MDLexicalBlockFile`, and eventually the callers should be updated to
downcast to `MDLexicalBlock` directly and the forwarding functions
removed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234842
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 02:22:36 +0000 (02:22 +0000)]
DebugInfo: Gut DIVariable and DIGlobalVariable
Gut all the non-pointer API from the variable wrappers, except an
implicit conversion from `DIGlobalVariable` to `DIDescriptor`. Note
that if you're updating out-of-tree code, `DIVariable` wraps
`MDLocalVariable` (`MDVariable` is a common base class shared with
`MDGlobalVariable`).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234840
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Keno Fischer [Tue, 14 Apr 2015 02:10:35 +0000 (02:10 +0000)]
[RuntimeDyldELF] Improve GOT support
Summary:
This is the first in a series of patches to eventually add support for TLS relocations to RuntimeDyld. This patch resolves an issue in the current GOT handling, where GOT entries would be reused between object files, which leads to the same situation that necessitates the GOT in the first place, i.e. that the 32-bit offset can not cover all of the address space. Thus this patch makes the GOT object-file-local.
Unfortunately, this still isn't quite enough, because the MemoryManager does not yet guarantee that sections are allocated sufficiently close to each other, even if they belong to the same object file. To address this concern, this patch also adds a small API abstraction on top of the GOT allocation mechanism that will allow (temporarily, until the MemoryManager is improved) using the stub mechanism instead of allocating a different section. The actual switch from separate section to stub mechanism will be part of a follow-on commit, so that it can be easily reverted independently at the appropriate time.
Test Plan: Includes a test case where the GOT of two object files is artificially forced to be apart by several GB.
Reviewers: lhames
Reviewed By: lhames
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D8813
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234839
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 02:09:32 +0000 (02:09 +0000)]
DebugInfo: Move DIVariable::printExtendedName() to its only caller
Move the local function `printDebugLoc()` along with it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234838
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 01:59:58 +0000 (01:59 +0000)]
DebugInfo: Inline DIVariable::isBlockByrefVariable() into its callers
I don't think this API is helping much. Change the callers to call
`MDType::isBlockByrefStruct()` directly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234837
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 01:46:44 +0000 (01:46 +0000)]
DebugInfo: Gut DIObjCProperty and DIImportedEntity
Gut a couple more classes in the DIDescriptor hierarchy. Leave behind
an implicit conversion to `DIDescriptor`, the old base class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234836
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 01:35:55 +0000 (01:35 +0000)]
DebugInfo: Gut DILocation
This is along the same lines as r234832, but for `DILocation`. Clean
out all accessors from `DILocation`. Any callers should be using
`MDLocation` directly (e.g., via `operator->()`).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234835
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Adam Nemet [Tue, 14 Apr 2015 01:12:55 +0000 (01:12 +0000)]
[LoopAccesses] Properly print whether memchecks are needed
Fix oversight in -analyze output. PtrRtCheck contains the pointers that
need to be checked against each other and not whether memchecks are
necessary.
For instance in the testcase PtrRtCheck has four elements but all
no-alias so no checking is necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234833
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 01:12:42 +0000 (01:12 +0000)]
DebugInfo: Gut DIExpression
Completely gut `DIExpression`, turning it into a simple wrapper around
`MDExpression *`. There are two bits of magic left:
- It's constructed from `const MDExpression*` but convertible to
`MDExpression*`.
- It's default-constructed to `nullptr`.
Otherwise, it should behave quite like a raw pointer. Once I've done
the same to the rest of the `DIDescriptor` subclasses, I'll come back to
delete them entirely (and update call sites as necessary to deal with
the missing magic).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234832
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 00:57:50 +0000 (00:57 +0000)]
DebugInfo: Move an assertion into MDCompositeTypeBase
In the name of gutting the `DIDescriptor` hierarchy.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234829
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Philip Reames [Tue, 14 Apr 2015 00:41:34 +0000 (00:41 +0000)]
[RewriteStatepointsForGC] Delete dead code [NFC]
Before we had real liveness, we needed to track every value that base pointer
insertion code created because these now might be live. We now just rerun
the data flow liveness algorithm (which is actually faster!) and no longer
need the associated code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234827
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 00:35:42 +0000 (00:35 +0000)]
DebugInfo: Move DILocation::computeNewDiscriminators()
As documented in PR23200 (and the FIXMEs I've added to the code here),
this logic is fairly broken: it modifies the `LLVMContext` in a way that
affects other modules and cannot be serialized to assembly/bitcode. For
now, move it over to `MDLocation::computeNewDiscriminators()` anyway.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234825
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 00:34:30 +0000 (00:34 +0000)]
AddDiscriminators: Create new MDLocation directly
I don't see a reason to add the `copyWithNewScope()` API over to
`MDLocation` -- it seems to be a holdover from when creating locations
required knowing details of operand layout -- so change
`AddDiscriminators` to call `MDLocation::get()` directly. Should be no
functionality change here.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234824
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Lang Hames [Tue, 14 Apr 2015 00:27:47 +0000 (00:27 +0000)]
[Orc] Revert 234815. Still haven't quite got this test figured out apparently.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234822
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Duncan P. N. Exon Smith [Tue, 14 Apr 2015 00:05:13 +0000 (00:05 +0000)]
DebugInfo: Move DILocation::getDiscriminator() to MDLocation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234819
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 23:55:01 +0000 (23:55 +0000)]
DebugInfo: Remove DIObjCProperty attribute accessors, NFC
There's only one user of the various `DIObjCProperty::is*Property()`
accessors -- `DwarfUnit::constructTypeDIE()` -- and it's just using the
reverse logic to reconstruct the bitfield. Drop this API and simplify
the only caller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234818
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 23:36:36 +0000 (23:36 +0000)]
DebugInfo: Move DIDerivedType accessors to MDDerivedType, NFC
Add accessors in `MDDerivedType` to downcast `getExtraData()`, matching
those in `DIDerivedType`.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234816
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Lang Hames [Mon, 13 Apr 2015 23:28:46 +0000 (23:28 +0000)]
[Orc] Make the OrcLazy hello.ll regression test output via stderr.
This keeps the program and JIT output in sync, enabling FileCheck to test the
order of target program and JIT events.
In particular we can now test that main is not compiled until after the global
constructor has run.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234815
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Daniel Berlin [Mon, 13 Apr 2015 23:25:41 +0000 (23:25 +0000)]
Add new getModRefInfo API to determine whether an Instruction and a call modify the same memory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234814
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Daniel Berlin [Mon, 13 Apr 2015 23:20:13 +0000 (23:20 +0000)]
Common some code from MemoryDependenceAnalysis that will be used in MemorySSA
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234813
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 23:13:18 +0000 (23:13 +0000)]
DebugInfo: Make DIDerivedType accessors more strict
These accessors in `DIDerivedType` should only be called when `DbgNode`
really is a `MDDerivedType`, not just a `MDDerivedTypeBase`. Assume
that it is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234812
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Daniel Berlin [Mon, 13 Apr 2015 23:05:45 +0000 (23:05 +0000)]
Make getModRefInfo with a default location not crash.
Add getModRefInfo that works without location.
Add unit tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234811
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Lang Hames [Mon, 13 Apr 2015 22:58:39 +0000 (22:58 +0000)]
[Orc] Back out r234805 for hello.ll until I can figure out how to sync up the
output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234810
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Ahmed Bougacha [Mon, 13 Apr 2015 22:57:21 +0000 (22:57 +0000)]
[CodeGen] Combine concat_vectors of scalars into build_vector.
Combine something like:
(v8i8 concat_vectors (v2i8 bitcast (i16)) x4)
into:
(v8i8 (bitcast (v4i16 BUILD_VECTOR (i16) x4)))
If any of the scalars are floating point, use that throughout.
Differential Revision: http://reviews.llvm.org/D8948
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234809
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Daniel Berlin [Mon, 13 Apr 2015 22:36:38 +0000 (22:36 +0000)]
Allow printing functions with an optional annotationwriter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234807
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Lang Hames [Mon, 13 Apr 2015 22:33:05 +0000 (22:33 +0000)]
[Orc] Disambiguate call to make_unique. This should fix the builders broken by
r234805.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234806
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Lang Hames [Mon, 13 Apr 2015 22:12:54 +0000 (22:12 +0000)]
[Orc] Add an Orc layer for applying arbitrary transforms to IR, use it to add
debugging output to the LLI orc-lazy JIT, and update the orc-lazy "hello.ll"
test to actually test for lazy compilation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234805
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 21:58:26 +0000 (21:58 +0000)]
DebugInfo: Simplify a few more wrappers
This is almost NFC, but I'm removing some assertions against `nullptr`.
The assertions aren't worth all that much since we'll typically get
segfaults at the same site (and I imagine ASan catches this sort of
thing), and besides: the whole idea is to replace the `DIDescriptor`
hierarchy with raw pointers to the new one.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234802
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Krzysztof Parzyszek [Mon, 13 Apr 2015 21:55:21 +0000 (21:55 +0000)]
Settle on a specific triple for the aarch64 testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234801
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 21:38:48 +0000 (21:38 +0000)]
SelectionDAG: Stop using DIVariable::isInlinedFnArgument()
Instead of calling the somewhat confusingly-named
`DIVariable::isInlinedFnArgument()`, do the check directly here.
There's possibly a small functionality change here: instead of
`dyn_cast<>`'ing `DV->getScope()` to `MDSubprogram`, I'm looking up the
scope chain for the actual subprogram. I suspect that this is a no-op
for function arguments so in practise there isn't a real difference.
I've also added a `FIXME` to check the `inlinedAt:` chain instead, since
I wonder if that would be more reliable than the
`MDSubprogram::describes()` function.
Since this was the only user of `DIVariable::isInlinedFnArgument()`,
delete it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234799
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Chris Bieneman [Mon, 13 Apr 2015 21:29:46 +0000 (21:29 +0000)]
[CMake] Updates to llvm-shlib to support overriding exports list and added an option to export all symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234798
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Krzysztof Parzyszek [Mon, 13 Apr 2015 20:49:08 +0000 (20:49 +0000)]
Also add mtriple to the aarch64 testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234797
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 20:39:25 +0000 (20:39 +0000)]
DebugInfo: Remove DIGlobalVariable::getGlobal()
`DIGlobalVariable::getGlobal()` isn't really helpful, it just does a
`dyn_cast_or_null<>`. Simplify its only user by doing the cast directly
and delete the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234796
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Krzysztof Parzyszek [Mon, 13 Apr 2015 20:37:01 +0000 (20:37 +0000)]
Expand ADDO/SUBO on Hexagon
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234795
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Krzysztof Parzyszek [Mon, 13 Apr 2015 20:24:40 +0000 (20:24 +0000)]
Add mtriple to test case to avoid problems with different naming schemes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234793
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 20:13:30 +0000 (20:13 +0000)]
StripSymbols: Use DIGlobalVariable::getConstant() instead of getGlobal()
The only difference between the two is a `dyn_cast<>` to
`GlobalVariable`. If optimizations have left anything behind when a
global gets replaced, then it doesn't seem like the debug info is dead.
I can't seem to find an optimization that would leave behind a
non-`GlobalVariable` without nulling the reference entirely, so I
haven't added a testcase (but I'll be deleting `getGlobal()` in a future
commit).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234792
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Nick Lewycky [Mon, 13 Apr 2015 20:03:08 +0000 (20:03 +0000)]
GCC complains thusly: "attributes at the beginning of statement are ignored [-Werror=attributes]". Very well then! NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234788
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Philip Reames [Mon, 13 Apr 2015 20:00:30 +0000 (20:00 +0000)]
[RwriteStatepointsForGC] Minor indentation and naming [NFC]
Use early-return style that's preferred in LLVM and updating the naming in places I touched with other changes in the last few days. Hopefully, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234785
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 19:44:31 +0000 (19:44 +0000)]
DebugInfo: Remove a few unnecessary wrappers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234783
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 19:41:30 +0000 (19:41 +0000)]
DebugInfo: Assume valid pointer in DISubprogram::replaceFunction()
Other accessors assume this already; not sure how `replaceFunction()`
got left behind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234782
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Nick Lewycky [Mon, 13 Apr 2015 19:17:37 +0000 (19:17 +0000)]
Subtraction is not commutative. Fixes PR23212!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234780
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Philip Reames [Mon, 13 Apr 2015 19:07:47 +0000 (19:07 +0000)]
[RewriteStatepointsForGC] Avoid inserting empty holder
We use dummy calls to adjust the liveness of values over statepoints in the midst of the insertion. If there are no values which need held live, there's no point in actually inserting the holder.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234779
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 19:07:27 +0000 (19:07 +0000)]
DebugInfo: Migrate DISubprogram::describes() to new hierarchy, NFC
I don't really like this function at all -- I think it should be as
simple as `return getFunction() == F` -- but for now this seems like the
best we can do.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234778
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Krzysztof Parzyszek [Mon, 13 Apr 2015 18:57:50 +0000 (18:57 +0000)]
Remove this test until I figure out why it fails
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234777
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Duncan P. N. Exon Smith [Mon, 13 Apr 2015 18:53:11 +0000 (18:53 +0000)]
Reapply "Verifier: Check for incompatible bit piece expressions"
This reverts commit r234717, reapplying r234698 (in spirit).
As described in r234717, the original `Verifier` check had a
use-after-free. Instead of storing pointers to "interesting" debug info
intrinsics whose bit piece expressions should be verified once we have
typerefs, do a second traversal. I've added a testcase to catch the
`llc` crasher.
Original commit message:
Verifier: Check for incompatible bit piece expressions
Convert an assertion into a `Verifier` check. Bit piece expressions
must fit inside the variable, and mustn't be the entire variable.
Catching this in the verifier will help us find bugs sooner, and makes
`DIVariable::getSizeInBits()` dead code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234776
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