Akira Hatanaka [Fri, 5 Jun 2015 21:58:14 +0000 (21:58 +0000)]
Move the code in TargetPassConfig::addPass that inserts machine printer pass to
the overloaded version of addPass which takes Pass*.
This change enables inserting the machine printer pass when the overloaded
version of addPass that takes Pass* is called to add a pass, instead of the
one which takes AnalysisID. I need this to prevent make-check tests from
failing when I commit another patch later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239192
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Frederic Riss [Fri, 5 Jun 2015 21:21:57 +0000 (21:21 +0000)]
[dsymutil] Rename a variable to appease some bots.
Anyway having the type and the name of the member being the same
thing wasn't the wisest of the choices.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239190
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Frederic Riss [Fri, 5 Jun 2015 21:12:07 +0000 (21:12 +0000)]
[dsymutil] Have the YAML deserialization rewrite the object address of symbols.
The main use of the YAML debug map format is for testing inside LLVM. If we have IR
files in the tests used to generate object files, then we obviously don't know the
addresses of the symbols inside the object files beforehand.
This change lets the YAML import lookup the addresses in the object files and rewrite
them. This will allow to have test that really don't need any binary input.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239189
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Frederic Riss [Fri, 5 Jun 2015 20:27:07 +0000 (20:27 +0000)]
[dsymutil] Apply clang-format. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239186
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Frederic Riss [Fri, 5 Jun 2015 20:27:04 +0000 (20:27 +0000)]
[dsymutil] Out-line the YAML serialization code. NFC
It will get a bit bigger in an upcoming commit. No need to have all
of that in the header.
Also move parseYAMLDebugMap() to the same place as the serialization
code. This way it will be able to share a private Context object with
it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239185
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Renato Golin [Fri, 5 Jun 2015 18:24:12 +0000 (18:24 +0000)]
Revert "[InstCombine] Rephrase fix to SimplifyWithOpReplaced"
This reverts commit r239141. This commit was an attempt to reintroduce
a previous patch that broke many self-hosting bots with clang timeouts,
but it still has slowdown issues, at least on ARM, increasing the
compilation time (stage 2, clang's) by 5x.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239175
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Rafael Espindola [Fri, 5 Jun 2015 18:21:00 +0000 (18:21 +0000)]
Refactor padding writing into a helper function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239174
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Sanjoy Das [Fri, 5 Jun 2015 18:04:46 +0000 (18:04 +0000)]
[InstCombine][NFC] Add a ``break;`` statement.
This change is NFC because both the ``break;`` and the fall through end
up returning immediately. However, this helps clarify intent and also
ensures correctness in case more ``case`` blocks are added later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239172
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Sanjoy Das [Fri, 5 Jun 2015 18:04:42 +0000 (18:04 +0000)]
[InstCombine] Fix PR23751.
PR23751 was caused by a missing ``break;`` in r234388.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239171
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Peter Collingbourne [Fri, 5 Jun 2015 18:01:28 +0000 (18:01 +0000)]
Revert r238473, "Thumb2: Modify codegen for memcpy intrinsic to prefer LDM/STM."
as it caused miscompilations and assertion failures (PR23768,
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-
20150601/280380.html).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239169
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Rafael Espindola [Fri, 5 Jun 2015 17:54:25 +0000 (17:54 +0000)]
Save a map lookup. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239168
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Fiona Glaser [Fri, 5 Jun 2015 17:52:34 +0000 (17:52 +0000)]
DAGCombiner: don't duplicate (fmul x, c) in visitFNEG if fneg is free
For targets with a free fneg, this fold is always a net loss if it
ends up duplicating the multiply, so definitely avoid it.
This might be true for some targets without a free fneg too, but
I'll leave that for future investigation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239167
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Yaron Keren [Fri, 5 Jun 2015 17:48:47 +0000 (17:48 +0000)]
Rangify more for loops in LegacyPassManager.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239166
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Duncan P. N. Exon Smith [Fri, 5 Jun 2015 17:22:00 +0000 (17:22 +0000)]
Remove stray semi-colon, NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239165
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Chandler Carruth [Fri, 5 Jun 2015 17:01:43 +0000 (17:01 +0000)]
[Unroll] Rework the naming and structure of the new unroll heuristics.
The new naming is (to me) much easier to understand. Here is a summary
of the new state of the world:
- '*Threshold' is the threshold for full unrolling. It is measured
against the estimated unrolled cost as computed by getUserCost in TTI
(or CodeMetrics, etc). We will exceed this threshold when unrolling
loops where unrolling exposes a significant degree of simplification
of the logic within the loop.
- '*PercentDynamicCostSavedThreshold' is the percentage of the loop's
estimated dynamic execution cost which needs to be saved by unrolling
to apply a discount to the estimated unrolled cost.
- '*DynamicCostSavingsDiscount' is the discount applied to the estimated
unrolling cost when the dynamic savings are expected to be high.
When actually analyzing the loop, we now produce both an estimated
unrolled cost, and an estimated rolled cost. The rolled cost is notably
a dynamic estimate based on our analysis of the expected execution of
each iteration.
While we're still working to build up the infrastructure for making
these estimates, to me it is much more clear *how* to make them better
when they have reasonably descriptive names. For example, we may want to
apply estimated (from heuristics or profiles) dynamic execution weights
to the *dynamic* cost estimates. If we start doing that, we would also
need to track the static unrolled cost and the dynamic unrolled cost, as
only the latter could reasonably be weighted by profile information.
This patch is sadly not without functionality change for the new unroll
analysis logic. Buried in the heuristic management were several things
that surprised me. For example, we never subtracted the optimized
instruction count off when comparing against the unroll heursistics!
I don't know if this just got lost somewhere along the way or what, but
with the new accounting of things, this is much easier to keep track of
and we use the post-simplification cost estimate to compare to the
thresholds, and use the dynamic cost reduction ratio to select whether
we can exceed the baseline threshold.
The old values of these flags also don't necessarily make sense. My
impression is that none of these thresholds or discounts have been tuned
yet, and so they're just arbitrary placehold numbers. As such, I've not
bothered to adjust for the fact that this is now a discount and not
a tow-tier threshold model. We need to tune all these values once the
logic is ready to be enabled.
Differential Revision: http://reviews.llvm.org/D9966
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239164
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Frederic Riss [Fri, 5 Jun 2015 16:35:44 +0000 (16:35 +0000)]
[dsymutil] Handle the -oso-prepend-path option when the input is a YAML debug map
All the tests using a YAML debug map will need this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239163
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Alexei Starovoitov [Fri, 5 Jun 2015 16:11:14 +0000 (16:11 +0000)]
[bpf] rename triple names bpf_be -> bpfeb
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239162
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Colin LeMahieu [Fri, 5 Jun 2015 16:00:11 +0000 (16:00 +0000)]
[Hexagon] Reapply r239097 with tests corrected for shuffling and duplexing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239161
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Alexei Starovoitov [Fri, 5 Jun 2015 15:32:38 +0000 (15:32 +0000)]
Revert "Include BPF target in CMake builds."
This reverts commit r239035
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239159
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Benjamin Kramer [Fri, 5 Jun 2015 14:33:02 +0000 (14:33 +0000)]
[TargetParser] Properly attach functions of ARMTargetParser to the class
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239158
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Benjamin Kramer [Fri, 5 Jun 2015 14:32:54 +0000 (14:32 +0000)]
[ARM] Make helper function static.
This one had a declaration but it differed from the definition so the
declaration was actually dead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239157
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Yaron Keren [Fri, 5 Jun 2015 14:15:07 +0000 (14:15 +0000)]
Rangify for loops in LegacyPassManager.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239155
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John Brawn [Fri, 5 Jun 2015 13:31:19 +0000 (13:31 +0000)]
[ARM] Add support for -sp- FPUs and FPU none to TargetParser
These are added mainly for the benefit of clang, but this also means that they
are now allowed in .fpu directives and we emit the correct .fpu directive when
single-precision-only is used.
Differential Revision: http://reviews.llvm.org/D10238
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239151
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John Brawn [Fri, 5 Jun 2015 13:29:24 +0000 (13:29 +0000)]
[ARM] Add knowledge of FPU subtarget features to TargetParser
Add getFPUFeatures to TargetParser, which gets the list of subtarget features
that are enabled/disabled for each FPU, and use it when handling the .fpu
directive.
No functional change in this commit, though clang will start behaving
differently once it starts using this.
Differential Revision: http://reviews.llvm.org/D10237
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239150
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Artyom Skrobov [Fri, 5 Jun 2015 12:39:28 +0000 (12:39 +0000)]
[ARMTargetParser] Follow-up for r239099: one case was missed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239147
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Simon Pilgrim [Fri, 5 Jun 2015 12:35:36 +0000 (12:35 +0000)]
[X86][AVX2] Added tests for v32i8 vector shifts
Currently still scalarized, but D9474 should remedy that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239146
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Toma Tabacu [Fri, 5 Jun 2015 12:19:27 +0000 (12:19 +0000)]
Revert "[mips] [IAS] Restore STI.FeatureBits in .set pop." (r239144).
This is breaking the Windows buildbots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239145
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Toma Tabacu [Fri, 5 Jun 2015 11:48:54 +0000 (11:48 +0000)]
[mips] [IAS] Restore STI.FeatureBits in .set pop.
Summary:
Only restoring AvailableFeatures is not enough and will lead to buggy behaviour.
For example, if we have a feature enabled and we ".set pop", the next time we try
to ".set" that feature nothing will happen because the "!(STI.getFeatureBits()[Feature])"
check will be false, because we didn't restore STI.FeatureBits.
In order to fix this, we need to make MipsAssemblerOptions remember the STI.FeatureBits
instead of the AvailableFeatures and then regenerate AvailableFeatures each time we ".set pop".
This is because, AFAIK, there is no way to convert from AvailableFeatures back to STI.FeatureBits,
but the reverse is possible by using ComputeAvailableFeatures(STI.FeatureBits).
I also moved the updating of AssemblerOptions inside the "if" statement in
setFeatureBits() and clearFeatureBits(), as there is no reason to update if
nothing changes.
Reviewers: dsanders, mkuper
Reviewed By: dsanders
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D9156
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239144
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David Majnemer [Fri, 5 Jun 2015 10:52:40 +0000 (10:52 +0000)]
[LoopVectorize] Don't crash on zero-sized types in isInductionPHI
isInductionPHI wants to calculate the stride based on the pointee size.
However, this is not possible when the pointee is zero sized.
This fixes PR23763.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239143
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Andrea Di Biagio [Fri, 5 Jun 2015 10:29:55 +0000 (10:29 +0000)]
Simplify code; NFC.
Also, moved test cases from CodeGen/X86/fold-buildvector-bug.ll into
CodeGen/X86/buildvec-insertvec.ll and regenerated CHECK lines using
update_llc_test_checks.py.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239142
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David Majnemer [Fri, 5 Jun 2015 09:57:57 +0000 (09:57 +0000)]
[InstCombine] Rephrase fix to SimplifyWithOpReplaced
I don't have the IR which is causing the build bot breakage but I can
postulate as to why they are timing out:
1. SimplifyWithOpReplaced was stripping flags from the simplified value.
2. visitSelectInstWithICmp was overriding SimplifyWithOpReplaced because
it's simplification wasn't correct.
3. InstCombine would revisit the add instruction and note that it can
rederive the flags.
4. By modifying the value, we chose to revisit instructions which reuse
the value. One of the instructions is the original select, causing
LLVM to never reach fixpoint.
Instead, strip the flags only when we are sure we are going to perform
the simplification.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239141
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Daniel Jasper [Fri, 5 Jun 2015 09:31:20 +0000 (09:31 +0000)]
Revert "[InstCombine] Don't miscompile safe increment idiom"
This is breaking a lot of build bots and is causing very long-running
compiles (infinite loops)?
Likely, we shouldn't return nullptr?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239139
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Simon Pilgrim [Fri, 5 Jun 2015 08:24:23 +0000 (08:24 +0000)]
[X86][SSE] Added tests for i8/i16 vector shifts
Currently still scalarized, but D9474 should remedy that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239136
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Justin Bogner [Fri, 5 Jun 2015 01:23:42 +0000 (01:23 +0000)]
InstrProf: Fix reading of consecutive 32 bit coverage maps
When we generate coverage data, we explicitly set each coverage map's
alignment to 8 (See InstrProfiling::lowerCoverageData), but when we
read the coverage data, we assume consecutive maps are exactly
adjacent. When we're dealing with 32 bit, maps can end on a 4 byte
boundary, causing us to think the padding is part of the next record.
Fix this by adjusting the buffer to an appropriately aligned address
between records.
This is pretty awkward to test, as it requires a binary with multiple
coverage maps to hit, so we'd need to check in multiple source files
and a binary blob as inputs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239129
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Alexey Samsonov [Thu, 4 Jun 2015 23:58:31 +0000 (23:58 +0000)]
Revert "[Object, ELF] Fix segmentation fault in ELFFile::getSectionName()."
This reverts commit r239124.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239125
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Alexey Samsonov [Thu, 4 Jun 2015 23:40:23 +0000 (23:40 +0000)]
[Object, ELF] Fix segmentation fault in ELFFile::getSectionName().
Don't do a null dereference if .shstrtab section is missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239124
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Jim Grosbach [Thu, 4 Jun 2015 23:35:03 +0000 (23:35 +0000)]
MC: Clean up naming in MCObjectFileInfo.h.
Init*() methods to init*().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239121
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Jim Grosbach [Thu, 4 Jun 2015 23:35:00 +0000 (23:35 +0000)]
MC: Tidy up formatting and doc comments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239120
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Jim Grosbach [Thu, 4 Jun 2015 23:25:54 +0000 (23:25 +0000)]
MC: Clean up the naming for MCMachObjectWriter. NFC.
s/ExecutePostLayoutBinding/executePostLayoutBinding/
s/ComputeSymbolTable/computeSymbolTable/
s/BindIndirectSymbols/bindIndirectSymbols/
s/RecordTLVPRelocation/recordTLVPRelocation/
s/RecordScatteredRelocation/recordScatteredRelocation/
s/WriteLinkerOptionsLoadCommand/writeLinkerOptionsLoadCommand/
s/WriteLinkeditLoadCommand/writeLinkeditLoadCommand/
s/WriteNlist/writeNlist/
s/WriteDysymtabLoadCommand/writeDysymtabLoadCommand/
s/WriteSymtabLoadCommand/writeSymtabLoadCommand/
s/WriteSection/writeSection/
s/WriteSegmentLoadCommand/writeSegmentLoadCommand/
s/WriteHeader/writeHeader/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239119
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Jim Grosbach [Thu, 4 Jun 2015 23:25:19 +0000 (23:25 +0000)]
MC: Move MachObjectWriter::SectionAddress to private.
There's already a get() method everything that needs it is using.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239118
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Jim Grosbach [Thu, 4 Jun 2015 23:25:05 +0000 (23:25 +0000)]
MC: Tidy up formatting and doc comments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239117
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Alexey Samsonov [Thu, 4 Jun 2015 23:14:43 +0000 (23:14 +0000)]
[Object, ELF] Don't assert on invalid magic in createELFObjectFile.
Instead, return a proper error code from factory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239116
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David Majnemer [Thu, 4 Jun 2015 23:11:30 +0000 (23:11 +0000)]
[InstCombine] Don't miscompile safe increment idiom
We cleverly handle cases where computation done in one argument of a select
instruction is suitable for the other operand, thus obviating the need
of the select and the comparison. However, the other operand cannot
have flags.
This fixes PR23757.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239115
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Swaroop Sridhar [Thu, 4 Jun 2015 23:03:21 +0000 (23:03 +0000)]
Statepoint: Fix handling of Far Immediate calls
gc.statepoint intrinsics with a far immediate call target
were lowered incorrectly as pc-rel32 calls.
This change fixes the problem, and generates an indirect call
via a scratch register.
For example:
Intrinsic:
%safepoint_token = call i32 (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* inttoptr (i64
140727162896504 to void ()*), i32 0, i32 0, i32 0, i32 0)
Old Incorrect Lowering:
callq
140727162896504
New Correct Lowering:
movabsq $
140727162896504, %rax
callq *%rax
In lowerCallFromStatepoint(), the callee-target was modified and
represented as a "TargetConstant" node, rather than a "Constant" node.
Undoing this modification enabled LowerCall() to generate the
correct CALL instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239114
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Alexey Samsonov [Thu, 4 Jun 2015 22:58:25 +0000 (22:58 +0000)]
[Object, ELF] Don't call llvm_unreachable() from createELFObjectFile.
Instead, return a proper error code from factory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239113
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Charles Davis [Thu, 4 Jun 2015 22:50:05 +0000 (22:50 +0000)]
[Target/X86] Don't use callee-saved registers in a Win64 tail call on non-Windows.
Summary:
A small bit that I missed when I updated the X86 backend to account for
the Win64 calling convention on non-Windows. Now we don't use dead
non-volatile registers when emitting a Win64 indirect tail call on
non-Windows.
Should fix PR23710.
Test Plan: Added test for the correct behavior based on the case I posted to PR23710.
Reviewers: rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10258
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239111
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Alexey Samsonov [Thu, 4 Jun 2015 22:49:55 +0000 (22:49 +0000)]
[Object, MachO] Fixup for r239075: use union to store mach_header and mach_header_64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239110
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Alexey Samsonov [Thu, 4 Jun 2015 22:26:44 +0000 (22:26 +0000)]
[Object, MachO] Don't crash on incomplete MachO segment load commands.
Report proper error code from MachOObjectFile constructor if we
can't parse another segment load command (we already return a proper
error if segment load command contents is suspicious).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239109
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Jim Grosbach [Thu, 4 Jun 2015 22:24:41 +0000 (22:24 +0000)]
MC: Clean up naming in MCObjectWriter. NFC.
s/WriteObject/writeObject/
s/RecordRelocation/recordRelocation/
s/IsSymbolRefDifferenceFullyResolved/isSymbolRefDifferenceFullyResolved/
s/Write8/write8/
s/WriteLE16/writeLE16/
s/WriteLE32/writeLE32/
s/WriteLE64/writeLE64/
s/WriteBE16/writeBE16/
s/WriteBE32/writeBE32/
s/WriteBE64/writeBE64/
s/Write16/write16/
s/Write32/write32/
s/Write64/write64/
s/WriteZeroes/writeZeroes/
s/WriteBytes/writeBytes/
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239108
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Jim Grosbach [Thu, 4 Jun 2015 22:24:29 +0000 (22:24 +0000)]
MC: Tidy up formatting and doc comments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239107
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Alexey Samsonov [Thu, 4 Jun 2015 22:08:37 +0000 (22:08 +0000)]
[Object, MachO] Simplify load segment parsing code. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239106
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Thu, 4 Jun 2015 22:05:51 +0000 (22:05 +0000)]
[SDAG switch lowering] Fix switch case -> or merging for 0 and INT_MIN
The big/small ordering here is based on signed values so SmallValue will
be INT_MIN and BigValue 0. This shouldn't be a problem but the code
assumed that BigValue always had more bits set than SmallValue.
We used to just miss the transformation, but a recent refactoring of
mine turned this into an assertion failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239105
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Colin LeMahieu [Thu, 4 Jun 2015 21:49:43 +0000 (21:49 +0000)]
Shouldn't be XFAIL'ed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239103
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Colin LeMahieu [Thu, 4 Jun 2015 21:32:42 +0000 (21:32 +0000)]
Revert r239095 incorrect test tree.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239102
91177308-0d34-0410-b5e6-
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Jingyue Wu [Thu, 4 Jun 2015 21:28:26 +0000 (21:28 +0000)]
[NVPTX] roll forward r239082
NVPTXISelDAGToDAG translates "addrspacecast to param" to
NVPTX::nvvm_ptr_gen_to_param
Added an llc test in bug21465.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239100
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Artyom Skrobov [Thu, 4 Jun 2015 21:26:58 +0000 (21:26 +0000)]
Simplify ARMTargetParser::getArchSynonym
Summary:
1) The only caller, ARMTargetParser::parseArch, uses the results for an "endswith" test; so, including the "arm" prefix into the result is unnecessary.
2) Most ARMTargetParser::parseArch callers pass it the output from ARMTargetParser::getCanonicalArchName; so, make this behaviour the default. Then, including the "arm" prefix into the cases is unnecessary.
Reviewers: rengolin
Reviewed By: rengolin
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10249
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239099
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Colin LeMahieu [Thu, 4 Jun 2015 21:22:12 +0000 (21:22 +0000)]
[Hexagon] Removing unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239097
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Thu, 4 Jun 2015 21:17:27 +0000 (21:17 +0000)]
[MachOWriter] Use for-range and roll some duplicated code into loops.
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239096
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Colin LeMahieu [Thu, 4 Jun 2015 21:16:16 +0000 (21:16 +0000)]
[Hexagon] Adding functionality for duplexing. Duplexing is a way to compress commonly used pairs of instructions in order to reduce code size. The test case duplex.ll normally would be 8 bytes, assign register to 0 and jump to link register. After duplexing this is only 4 bytes. This also tests the HexagonMCShuffler code path which is used to make sure duplexed instructions still follow slot requirements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239095
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Jingyue Wu [Thu, 4 Jun 2015 21:07:08 +0000 (21:07 +0000)]
Revert r239082
llc crashed for NVPTX backend
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239094
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Rafael Espindola [Thu, 4 Jun 2015 20:55:49 +0000 (20:55 +0000)]
Remove unused argument. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239092
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David Blaikie [Thu, 4 Jun 2015 20:54:32 +0000 (20:54 +0000)]
Re-unique_ptrify LoadedObjectInfo::clone after it was reverted due to some other changes that broke on GCC around the same time
Apparently this functionality isn't used in-tree (or I would go & make
the explicit unique_ptr constructions into implicit constructions to
make them more self documenting now that clone doesn't return a raw
owning pointer anymore) but only by the Julia frontend. This isn't
ideal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239091
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Diego Novillo [Thu, 4 Jun 2015 20:49:52 +0000 (20:49 +0000)]
Tidy comment. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239090
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Sergey Dmitrouk [Thu, 4 Jun 2015 20:48:40 +0000 (20:48 +0000)]
Erase constant dbgloc on reuse in PHI node
Basic block selection involves checking successor BBs for PHI nodes
that depend on the current BB. In case such BBs are found, the value
being selected is a constant and such constant already exists in
current BB, it's value is reused.
This might lead to wrong locations in some situations, especially if
same constant value ends up being materialized twice in two different
ways, which discards that sharing and leaves us with wrong debug
location in the successor BB.
In code this involves the following sequence of calls:
SelectionDAGBuilder::HandlePHINodesInSuccessorBlocks ->
SelectionDAGBuilder::CopyValueToVirtualRegister ->
SelectionDAGBuilder::getNonRegisterValue
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239089
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David Blaikie [Thu, 4 Jun 2015 20:41:51 +0000 (20:41 +0000)]
Retry defaulting the virtual dtor in LoadedObjectInfo
Originally committed in r237975, GCC 4.7 gave a compilation error
regarding "looser throw specification" though it seemed to be pointing
to a virtual defaulted dtor in a base class and an override defaulted
dtor in a derived class - so I'm not quite sure why/how they could end
up with different throw specifications. To simplify and reduce the risk
of this, I've just removed the pointless override in the derived class,
the base class's should be sufficient. *fingers crossed*
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239088
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Ahmed Bougacha [Thu, 4 Jun 2015 20:39:23 +0000 (20:39 +0000)]
[GlobalMerge] Take into account minsize on Global users' parents.
Now that we can look at users, we can trivially do this: when we would
have otherwise disabled GlobalMerge (currently -O<3), we can just run
it for minsize functions, as it's usually a codesize win.
Differential Revision: http://reviews.llvm.org/D10054
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239087
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Sean Silva [Thu, 4 Jun 2015 20:28:09 +0000 (20:28 +0000)]
[docs] Document "LGTM" in the lexicon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239085
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Jim Grosbach [Thu, 4 Jun 2015 20:27:42 +0000 (20:27 +0000)]
MC: Remove obsolete MachO UseAggressiveSymbolFolding.
Fix the FIXME and remove this old as(1) compat option. It was useful for
bringup of the integrated assembler to diff object files, but now it's
just causing more relocations than strictly necessary to be generated.
rdar://
21201804
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239084
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David Blaikie [Thu, 4 Jun 2015 20:23:13 +0000 (20:23 +0000)]
Having another go at some simple cleanup from r237975/r237976
I made a few changes here in a couple of commits - breaking them out
into smaller ones in case I hit the GCC oddities again.
I'm still not /entirely/ sure what the issues were, so apologies if any
of these experiments break things again. Feel free to revert
immediately.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239083
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Jingyue Wu [Thu, 4 Jun 2015 20:19:38 +0000 (20:19 +0000)]
[NVPTX] kernel pointer arguments point to the global address space
Summary:
With this patch, NVPTXLowerKernelArgs converts a kernel pointer argument to a
pointer in the global address space. This change, along with
NVPTXFavorNonGenericAddrSpaces, allows the NVPTX backend to emit ld.global.*
and st.global.* for accessing kernel pointer arguments.
Minor changes:
1. refactor: extract function convertToPointerInAddrSpace
2. fix a bug in the test case in bug21465.ll
Test Plan: lower-kernel-ptr-arg.ll
Reviewers: eliben, meheff, jholewinski
Reviewed By: jholewinski
Subscribers: wengxt, jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10154
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239082
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 4 Jun 2015 20:08:52 +0000 (20:08 +0000)]
[Object, MachO] Don't crash on invalid MachO segment load commands.
Summary:
Properly report the error in segment load commands from MachOObjectFile
constructor instead of crashing the program.
Adjust the test case accordingly.
Test Plan: regression test suite
Reviewers: rafael, filcab
Subscribers: llvm-commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239081
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 4 Jun 2015 19:57:46 +0000 (19:57 +0000)]
[Object, MachO] Don't crash on invalid MachO load commands.
Summary:
Currently all load commands are parsed in MachOObjectFile constructor.
If the next load command cannot be parsed, or if command size is too
small, properly report it through the error code and fail to construct
the object, instead of crashing the program.
Test Plan: regression test suite
Reviewers: rafael, filcab
Subscribers: llvm-commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239080
91177308-0d34-0410-b5e6-
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Colin LeMahieu [Thu, 4 Jun 2015 19:49:52 +0000 (19:49 +0000)]
[MC] Allowing operands to be erased from MCInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239079
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 4 Jun 2015 19:45:22 +0000 (19:45 +0000)]
[Object, MachO] Don't crash on parsing invalid MachO header.
Summary: Instead, properly report this error from MachOObjectFile constructor.
Test Plan: regression test suite
Reviewers: rafael
Subscribers: llvm-commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239078
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 4 Jun 2015 19:34:14 +0000 (19:34 +0000)]
[Object, MachO] Remove some code duplication. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239077
91177308-0d34-0410-b5e6-
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Chris Bieneman [Thu, 4 Jun 2015 19:33:23 +0000 (19:33 +0000)]
[CMake] Fixing the check for Ninja
Enabling Ninja Job Pools needs to be dependent on the CMAKE_MAKE_PROGRAM not the CMAKE_GENERATOR. There are generators (like "Sublime Text 2 - Ninja") that also generate ninja build files. Basing of the CMAKE_MAKE_PROGRAM is the best future-proof way to handle this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239076
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 4 Jun 2015 19:22:03 +0000 (19:22 +0000)]
[Object, MachO] Cache parsed MachO header in MachOObjectFile. NFC.
Summary:
Avoid parsing object file each time MachOObjectFile::getHeader() is
called. Instead, cache the header in MachOObjectFile constructor, where
it's parsed anyway. In future, we must avoid constructing the object
at all if the header can't be parsed.
Test Plan: regression test suite.
Reviewers: rafael
Subscribers: llvm-commits
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239075
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Thu, 4 Jun 2015 19:22:00 +0000 (19:22 +0000)]
Fix buildbot failure on Windows by relaxing test expectations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239074
91177308-0d34-0410-b5e6-
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Alexei Starovoitov [Thu, 4 Jun 2015 19:15:05 +0000 (19:15 +0000)]
[bpf] add big- and host- endian support
Summary:
-march=bpf -> host endian
-march=bpf_le -> little endian
-match=bpf_be -> big endian
Test Plan:
v1 was tested by IBM s390 guys and appears to be working there.
It bit rots too fast here.
Reviewers: chandlerc, tstellarAMD
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10177
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239071
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Andrea Di Biagio [Thu, 4 Jun 2015 19:15:01 +0000 (19:15 +0000)]
[DAGCombiner] Fix wrong folding of a build_vector into a blend with zero.
Method 'visitBUILD_VECTOR' in the DAGCombiner knows how to combine a
build_vector of a bunch of extract_vector_elt nodes and constant zero nodes
into a shuffle blend with a zero vector.
However, method 'visitBUILD_VECTOR' forgot that a floating point
build_vector may contain negative zero as well as positive zero.
Example:
define <2 x double> @example(<2 x double> %A) {
entry:
%0 = extractelement <2 x double> %A, i32 0
%1 = insertelement <2 x double> undef, double %0, i32 0
%2 = insertelement <2 x double> %1, double -0.0, i32 1
ret <2 x double> %2
}
Before this patch, llc (with -mattr=+sse4.1) wrongly generated
movq %xmm0, %xmm0 # xmm0 = xmm0[0],zero
So, the sign bit of the negative zero was effectively lost.
This patch fixes the problem by adding explicit checks for positive zero.
With this patch, llc produces the following code for the example above:
movhpd .LCPI0_0(%rip), %xmm0
where .LCPI0_0 referes to a 'double -0'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239070
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Evgeniy Stepanov [Thu, 4 Jun 2015 18:54:16 +0000 (18:54 +0000)]
Fix the check for Ninja in the CMake build.
The current check never passes, because CMAKE_MAKE_PROGRAM, at least on Linux,
includes the full path to the "ninja" binary; this effectively disables
compile/link jobs pools.
Use CMAKE_GENERATOR STREQUAL "Ninja" as a more reliable check.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239069
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Alexey Samsonov [Thu, 4 Jun 2015 18:50:04 +0000 (18:50 +0000)]
Make test case more readable: move CHECK-lines next to corresponding RUN-lines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239068
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Alexey Samsonov [Thu, 4 Jun 2015 18:34:11 +0000 (18:34 +0000)]
llvm-objdump: return non-zero exit code for certain cases of invalid input
* If the input file is missing;
* If the type of input object file can't be recognized;
* If the object file can't be parsed correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239065
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Benjamin Kramer [Thu, 4 Jun 2015 18:19:13 +0000 (18:19 +0000)]
[APInt] Remove special case for i1.
Add a unit test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239062
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Gabor Ballabas [Thu, 4 Jun 2015 17:30:26 +0000 (17:30 +0000)]
Test commit access.
Fix trailing whitespace.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239058
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Benjamin Kramer [Thu, 4 Jun 2015 17:07:59 +0000 (17:07 +0000)]
[SDag switch lowering] Simplify code a bit. No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239056
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Matt Arsenault [Thu, 4 Jun 2015 16:17:42 +0000 (16:17 +0000)]
R600/SI: Reimplement isLegalAddressingMode
Now that we sometimes know the address space, this can
theoretically do a better job.
This needs better test coverage, but this mostly depends on
first updating the loop optimizatiosn to provide the address
space.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239053
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Matt Arsenault [Thu, 4 Jun 2015 16:17:38 +0000 (16:17 +0000)]
CodeGenPrepare: Provide address space to isLegalAddressingMode
Use -1 as the address space if it can't be determined.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239052
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Matt Arsenault [Thu, 4 Jun 2015 16:17:34 +0000 (16:17 +0000)]
Pass address space to isLegalAddressingMode in DAGCombiner
No test because I don't know of a target that makes use
of address spaces and indexed load / store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239051
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Matt Arsenault [Thu, 4 Jun 2015 16:00:27 +0000 (16:00 +0000)]
R600/SI: Fix some cases for load / store of half
Mostly argument loads were producing broken zextloads
from an FP type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239049
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Hans Wennborg [Thu, 4 Jun 2015 15:55:00 +0000 (15:55 +0000)]
Switch lowering: fix assert in buildBitTests (PR23738)
When checking (High - Low + 1).sle(BitWidth), BitWidth would be truncated
to the size of the left-hand side. In the case of this PR, the left-hand
side was i4, so BitWidth=64 got truncated to 0 and the assert failed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239048
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Rafael Espindola [Thu, 4 Jun 2015 15:33:30 +0000 (15:33 +0000)]
Omit unused section symbols from the symbol table.
Section symbols exist as an optimization: instead of having multiple relocations
point to different symbols, many of them can point to a single section symbol.
When that optimization is unused, a section symbol is also unused and adds no
extra information to the object file.
This saves a bit of space on the object files and makes the output of
llvm-objdump -t easier to read and consequently some tests get quite a bit
simpler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239045
91177308-0d34-0410-b5e6-
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Chris Bieneman [Thu, 4 Jun 2015 15:33:08 +0000 (15:33 +0000)]
[CMake] Add warning for using compile and link pools on unsupported versions of CMake or non-ninja generators.
Summary: I've gotten feedback from users on CMake 2.8 that the compile and link pool options were not working. This is expected so I'm adding a warning so we can report invalid configurations to users.
Reviewers: eugenis
Reviewed By: eugenis
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10193
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239044
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Rafael Espindola [Thu, 4 Jun 2015 15:25:47 +0000 (15:25 +0000)]
Move test that depends on x86 to the x86 directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239043
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 4 Jun 2015 15:21:17 +0000 (15:21 +0000)]
No need to check the raw relocation bytes if checking the parsed dump.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239042
91177308-0d34-0410-b5e6-
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Rafael Espindola [Thu, 4 Jun 2015 15:15:12 +0000 (15:15 +0000)]
llvm-readobj can parse relocations, no need to check the raw bytes.x
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239041
91177308-0d34-0410-b5e6-
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Benjamin Kramer [Thu, 4 Jun 2015 15:03:02 +0000 (15:03 +0000)]
Replace custom fixed endian to raw_ostream emission with EndianStream.
Less code, clearer and more efficient. No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239040
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Rafael Espindola [Thu, 4 Jun 2015 15:01:05 +0000 (15:01 +0000)]
Disassemble the start of sections even if there is no symbol there.
We already handled a section with no symbols, extend that to also handle a
section with symbols that don't include the section start.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239039
91177308-0d34-0410-b5e6-
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James Molloy [Thu, 4 Jun 2015 13:48:23 +0000 (13:48 +0000)]
Don't create a MIN/MAX node if the underlying compare has more than one use.
If the compare in a select pattern has another use then it can't be removed, so we'd just
be creating repeated code if we created a min/max node.
Spotted by Matt Arsenault!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239037
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Daniel Sanders [Thu, 4 Jun 2015 13:12:25 +0000 (13:12 +0000)]
Replace string GNU Triples with llvm::Triple in MCAsmInfo subclasses and create*AsmInfo(). NFC.
Summary:
This is the first of several patches to eliminate StringRef forms of GNU
triples from the internals of LLVM. After this is complete, GNU triples
will be replaced by a more authoratitive representation in the form of
an LLVM TargetTuple.
Reviewers: rengolin
Reviewed By: rengolin
Subscribers: ted, llvm-commits, rengolin, jholewinski
Differential Revision: http://reviews.llvm.org/D10236
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239036
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