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2018-01-22Merging r323034:Hans Wennborg
------------------------------------------------------------------------ r323034 | dmgreen | 2018-01-20 11:29:37 +0100 (Sat, 20 Jan 2018) | 9 lines [Dominators] Fix some edge cases for PostDomTree updating These fix some odd cfg cases where batch-updating the post dom tree fails. Usually around infinite loops and roots ending up being different. Differential Revision: https://reviews.llvm.org/D42247 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@323121 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-22Merging r322993:Hans Wennborg
------------------------------------------------------------------------ r322993 | kuhar | 2018-01-19 22:27:24 +0100 (Fri, 19 Jan 2018) | 16 lines [Dominators] Visit affected node candidates found at different root levels Summary: This patch attempts to fix the DomTree incremental insertion bug found here [[ https://bugs.llvm.org/show_bug.cgi?id=35969 | PR35969 ]] . When performing an insertion into a piece of unreachable CFG, we may find the same not at different levels. When this happens, the node can turn out to be affected when we find it starting from a node with a lower level in the tree. The level at which we start visitation affects if we consider a node affected or not. This patch tracks the lowest level at which each node was visited during insertion and allows it to be visited multiple times, if it can cause it to be considered affected. Reviewers: brzycki, davide, dberlin, grosser Reviewed By: brzycki Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D42231 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@323110 91177308-0d34-0410-b5e6-96231b3b80d8
2018-01-03Thread MCSubtargetInfo through Target::createMCAsmBackendAlex Bradbury
Currently it's not possible to access MCSubtargetInfo from a TgtMCAsmBackend. D20830 threaded an MCSubtargetInfo reference through MCAsmBackend::relaxInstruction, but this isn't the only function that would benefit from access. This patch removes the Triple and CPUString arguments from createMCAsmBackend and replaces them with MCSubtargetInfo. This patch just changes the interface without making any intentional functional changes. Once in, several cleanups are possible: * Get rid of the awkward MCSubtargetInfo handling in ARMAsmBackend * Support 16-bit instructions when valid in MipsAsmBackend::writeNopData * Get rid of the CPU string parsing in X86AsmBackend and just use a SubtargetFeature for HasNopl * Emit 16-bit nops in RISCVAsmBackend::writeNopData if the compressed instruction set extension is enabled (see D41221) This change initially exposed PR35686, which has since been resolved in r321026. Differential Revision: https://reviews.llvm.org/D41349 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321692 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-30Added support for reading configuration filesSerge Pavlov
Configuration file is read as a response file in which file names in the nested constructs `@file` are resolved relative to the directory where the including file resides. Lines in which the first non-whitespace character is '#' are considered as comments and are skipped. Trailing backslashes are used to concatenate lines in the same way as they are used in shell scripts. Differential Revision: https://reviews.llvm.org/D24926 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321586 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-30Reverted 321580: Added support for reading configuration filesSerge Pavlov
It caused buildbot fails. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321582 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-30Added support for reading configuration filesSerge Pavlov
Configuration file is read as a response file in which file names in the nested constructs `@file` are resolved relative to the directory where the including file resides. Lines in which the first non-whitespace character is '#' are considered as comments and are skipped. Trailing backslashes are used to concatenate lines in the same way as they are used in shell scripts. Differential Revision: https://reviews.llvm.org/D24926 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321580 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-29IR: Fix BasicBlock::phis for empty blocksMatt Arsenault
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321567 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-27[SCEV] Be careful with nuw/nsw/exact in InsertBinopSerguei Katkov
InsertBinop tries to find an appropriate instruction instead of creating a new instruction. When it checks whether instruction is the same as we need to create it ignores nuw/nsw/exact flags. It leads to invalid behavior when poison instruction can be used when it was not expected. Specifically, for example Expander expands the SCEV built for instruction %a = add i32 %v, 1 It is possible that InsertBinop can find an instruction % b = add nuw nsw i32 %v, 1 and will use it instead of version w/o nuw nsw. It is incorrect. The patch conservatively ignores all instructions with any of poison flags installed. Reviewers: sanjoy, mkazantsev, sebpop, jbhateja Reviewed By: sanjoy Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D41576 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321475 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-22Unbreak the build. Combining chrono with Optional is annoying.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321387 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-21[YAML] Refactor escaping unittestsFrancis Visoiu Mistrih
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321284 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-21[YAML] Fix UTF-8 handlingFrancis Visoiu Mistrih
Previous YAML quoting patches broke UTF-8 printing in YAML: see https://reviews.llvm.org/D41290#961801. Differential Revision: https://reviews.llvm.org/D41490 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321283 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-21[Support] Remove MemoryBuffer::getNewUninitMemBufferPavel Labath
There is nothing useful that can be done with a read-only uninitialized buffer without const_casting its contents to initialize it. A better solution is to obtain a writable buffer (WritableMemoryBuffer::getNewUninitMemBuffer), and then convert it to a read-only buffer after initialization. All callers of this function have already been updated to do this, so this function is now unused. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321257 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-20[orc][cmake] Check if 8 byte atomics require libatomic for unittestSimon Dardis
rL319838 introduced SymbolStringPool which uses 8 byte atomics for reference counters. On systems which do not support such atomics natively such as MIPS32, explicitly add libatomic as one of the libraries for SymbolStringPool's unittest. Reviewers: lhames, beanz Differential Revision: https://reviews.llvm.org/D41010 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321225 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-20[TargetParser] Check size before accessing architecture version.Florian Hahn
Summary: This fixes a crash when invalid -march options like `armv` are provided. Based on a patch by Will Lovett. Reviewers: rengolin, samparker, mcrosier Reviewed By: samparker Subscribers: aemerson, kristof.beyls, llvm-commits Differential Revision: https://reviews.llvm.org/D41429 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321166 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-19[CodeGen] Move printing MO_IntrinsicID operands to MachineOperand::printFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by refactoring the interfaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321112 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-19[CodeGen] Move printing MO_IntrinsicID operands to MachineOperand::printFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by refactoring the interfaces. Also add support for printing with a null TargetIntrinsicInfo and no MachineFunction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321111 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-19[CodeGen] Move printing MO_CFIIndex operands to MachineOperand::printFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by refactoring the interfaces. Before this patch we printed "<call frame instruction>" in the debug output. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321084 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-19[Support] Add WritableMemoryBuffer classPavel Labath
Summary: The motivation here is LLDB, where we need to fixup relocations in mmapped files before their contents can be read correctly. The MemoryBuffer class does exactly what we need, *except* that it maps the file in read-only mode. WritableMemoryBuffer reuses the existing machinery for opening and mmapping a file. The only difference is in the argument to the mapped_file_region constructor -- we create a private copy-on-write mapping, so that we can make changes to the mapped data, but the changes aren't carried over to the underlying file. This patch is based on an initial version by Zachary Turner. Reviewers: mehdi_amini, rnk, rafael, dblaikie, zturner Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D40291 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321071 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-19Fix APFloat from string conversion for InfSerguei Katkov
The method IEEEFloat::convertFromStringSpecials() does not recognize the "+Inf" and "-Inf" strings but these strings are printed for the double Infinities by the IEEEFloat::toString(). This patch adds the "+Inf" and "-Inf" strings to the list of recognized patterns in IEEEFloat::convertFromStringSpecials(). Re-landing after fix. Reviewers: sberg, bogner, majnemer, timshen, rnk, skatkov, gottesmm, bkramer, scanon, anna Reviewed By: anna Subscribers: mkazantsev, FlameTop, llvm-commits, reames, apilipenko Differential Revision: https://reviews.llvm.org/D38030 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321054 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-18Recommit "[DWARFv5] Dump an MD5 checksum in the line-table header."Paul Robinson
Adds missing support for DW_FORM_data16. Update of r320852/r320886, fixing the unittest again, this time use a raw char string for the test data. Differential Revision: https://reviews.llvm.org/D41090 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321011 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-18[YAML] Add support for non-printable charactersFrancis Visoiu Mistrih
LLVM IR function names which disable mangling start with '\01' (https://www.llvm.org/docs/LangRef.html#identifiers). When an identifier like "\01@abc@" gets dumped to MIR, it is quoted, but only with single quotes. http://www.yaml.org/spec/1.2/spec.html#id2770814: "The allowed character range explicitly excludes the C0 control block allowed), the surrogate block #xD800-#xDFFF, #xFFFE, and #xFFFF." http://www.yaml.org/spec/1.2/spec.html#id2776092: "All non-printable characters must be escaped. [...] Note that escape sequences are only interpreted in double-quoted scalars." This patch adds support for printing escaped non-printable characters between double quotes if needed. Should also fix PR31743. Differential Revision: https://reviews.llvm.org/D41290 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320996 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-18[ConstantRange] Support for ashr in ConstantRange computationMax Kazantsev
Extend the ConstantRange implementation to compute the range of possible values resulting from an arithmetic right shift operation. There will be a follow up patch to leverage this constant range infrastructure in LazyValueInfo. Patch by Surya Kumari Jangala! Differential Revision: https://reviews.llvm.org/D40881 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320976 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-16[SimplifyLibCalls] Inline calls to cabs when it's safe to do soHal Finkel
When unsafe algerbra is allowed calls to cabs(r) can be replaced by: sqrt(creal(r)*creal(r) + cimag(r)*cimag(r)) Patch by Paul Walker, thanks! Differential Revision: https://reviews.llvm.org/D40069 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320901 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-15Revert "Recommit "[DWARFv5] Dump an MD5 checksum in the line-table header.""Paul Robinson
This reverts commit 0afef672f63f0e4e91938656bc73424a8c058bfc. Still failing at runtime on bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320888 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-15Recommit "[DWARFv5] Dump an MD5 checksum in the line-table header."Paul Robinson
Adds missing support for DW_FORM_data16. Update of r320852, fixing the unittest to use a hand-coded struct instead of std::array to guarantee data layout. Differential Revision: https://reviews.llvm.org/D41090 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320886 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-15MachineFunction: Slight refactoring; NFCMatthias Braun
Slight cleanup/refactor in preparation for upcoming commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320882 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-15Revert "[DWARFv5] Dump an MD5 checksum in the line-table header."Paul Robinson
Unit test fails on some bots. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320857 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-15[DWARFv5] Dump an MD5 checksum in the line-table header.Paul Robinson
Adds missing support for DW_FORM_data16. Differential Revision: https://reviews.llvm.org/D41090 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320852 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[Unit][AArch64] Additional tests for target parsingEvandro Menezes
Add Exynos M2/M3 to extension check. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320762 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[CodeGen] Print MCSymbol operands as <mcsymbol sym> in both MIR and debug outputFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by printing `<mcsymbol sym>` instead of `<MCSym=sym>`. Only debug syntax is affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320685 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[CodeGen] Move printing MO_Metadata operands to MachineOperand::printFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by refactoring the interfaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320684 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[CodeGen] Print live-out register lists as liveout(...) in both MIR and ↵Francis Visoiu Mistrih
debug output Work towards the unification of MIR and debug output by printing `liveout(...)` instead of `<regliveout>`. Only debug syntax is affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320683 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[CodeGen] Print global addresses as @foo in both MIR and debug outputFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by printing `@foo` instead of `<ga:@foo>`. Also print target flags in the MIR format since most of them are used on global address operands. Only debug syntax is affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320682 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-14[CodeGen] Print external symbols as $symbol in both MIR and debug outputFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by printing `$symbol` instead of `<es:symbol>`. Only debug syntax is affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320681 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13Remove redundant includes from unittests.Michael Zolotukhin
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320630 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[FuzzMutate] Only generate loads and stores to the first class sized typesIgor Laevsky
Differential Revision: https://reviews.llvm.org/D41109 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320573 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[FuzzMutate] Avoid zero sized aggregatesIgor Laevsky
Differential Revision: https://reviews.llvm.org/D41110 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320572 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[FuzzMutate] Correctly split landingpad blocksIgor Laevsky
Differential Revision: https://reviews.llvm.org/D41112 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320571 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[CodeGen] Print jump-table index operands as %jump-table.0 in both MIR and ↵Francis Visoiu Mistrih
debug output Work towards the unification of MIR and debug output by printing `%jump-table.0` instead of `<jt#0>`. Only debug syntax is affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320566 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[CodeGen] Print target index operands as target-index(target-specific) + 8 ↵Francis Visoiu Mistrih
in both MIR and debug output Work towards the unification of MIR and debug output by printing `target-index(target-specific) + 8` instead of `<ti#0+8>` and `target-index(target-specific) + 8` instead of `<ti#0-8>`. Only debug syntax is affected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320565 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[CodeGen] Print constant pool index operands as %const.0 + 8 in both MIR and ↵Francis Visoiu Mistrih
debug output Work towards the unification of MIR and debug output by printing `%const.0 + 8` instead of `<cp#0+8>` and `%const.0 - 8` instead of `<cp#0-8>`. Only debug syntax is affected. Differential Revision: https://reviews.llvm.org/D41116 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320564 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13[Testing/Support] Make the HasValue matcher composablePavel Labath
Summary: This makes it possible to run an arbitrary matcher on the value contained within the Expected<T> object. To do this, I've needed to fully spell out the matcher, instead of using the shorthand MATCHER_P macro. The slight gotcha here is that standard template deduction will fail if one tries to match HasValue(47) against an Expected<int &> -- the workaround is to use HasValue(testing::Eq(47)). The explanations produced by this matcher have changed a bit, since now we delegate to the nested matcher to print the value. Since these don't put quotes around the value, I've changed our PrintTo methods to match. Reviewers: zturner Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D41065 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320561 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-13Rename LiveIntervalAnalysis.h to LiveIntervals.hMatthias Braun
Headers/Implementation files should be named after the class they declare/define. Also eliminated an `#include "llvm/CodeGen/LiveIntervalAnalysis.h"` in favor of `class LiveIntarvals;` git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320546 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-12Test commit.Alexandre Ganea
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320504 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-11Ensure moved-from container is cleared on moveGeorge Burgess IV
In all cases except for this optimistic attempt to reuse memory, the moved-from TinyPtrVector was left `empty()` at the end of this assignment. Though using a container after it's been moved from can be a bit sketchy, it's probably best to just be consistent here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320408 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-09Infer lowest bits of an integer Multiply when the low bits of the operands ↵Simon Dardis
are known When the lowest bits of the operands to an integer multiply are known, the low bits of the result are deducible. Code to deduce known-zero bottom bits already existed, but this change improves on that by deducing known-ones. Patch by: Pedro Ferreira Reviewers: craig.topper, sanjoy, efriedma Differential Revision: https://reviews.llvm.org/D34029 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320269 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-08[CodeGen] Move printing MO_Immediate operands to MachineOperand::printFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by refactoring the interfaces. Add support for operand subreg index as an immediate to debug printing and use ::print in the MIRPrinter. Differential Review: https://reviews.llvm.org/D40965 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320209 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-08Generalize llvm::replaceDbgDeclare and actually support the use-case thatAdrian Prantl
is mentioned in the documentation (inserting a deref before the plus_uconst). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320203 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-08[AArch64] Add Exynos to host detectionEvandro Menezes
Differential revision: https://reviews.llvm.org/D40985 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320195 91177308-0d34-0410-b5e6-96231b3b80d8
2017-12-08[CodeGen] Move printing MO_CImmediate operands to MachineOperand::printFrancis Visoiu Mistrih
Work towards the unification of MIR and debug output by refactoring the interfaces. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320140 91177308-0d34-0410-b5e6-96231b3b80d8
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