Pete Cooper [Wed, 1 Jul 2015 21:07:03 +0000 (21:07 +0000)]
Encode MCSymbol alignment as log2(align).
Given that alignments are always powers of 2, just encode it this way.
This matches how we encode alignment on IR GlobalValue's for example.
This compresses the CommonAlign member down to 5 bits which allows it
to pack better with the surrounding fields.
Reviewed by Duncan Exon Smith.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241189
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Reid Kleckner [Wed, 1 Jul 2015 20:59:25 +0000 (20:59 +0000)]
[WinEH] Use llvm.x86.seh.recoverfp in WinEHPrepare
Don't pattern match for frontend outlined finally calls on non-x64
platforms. The 32-bit runtime uses a different funclet prototype. Now,
the frontend is pre-outlining the finally bodies so that it ends up
doing most of the heavy lifting for variable capturing. We're just
outlining the callsite, and adapting the frameaddress(0) call to line up
the frame pointer recovery.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241186
91177308-0d34-0410-b5e6-
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Jingyue Wu [Wed, 1 Jul 2015 20:08:06 +0000 (20:08 +0000)]
[NVPTX] Move NVPTXPeephole after NVPTXPrologEpilogPass
Summary:
Offset of frame index is calculated by NVPTXPrologEpilogPass. Before
that the correct offset of stack objects cannot be obtained, which
leads to wrong offset if there are more than 2 frame objects. This patch
move NVPTXPeephole after NVPTXPrologEpilogPass. Because the frame index
is already replaced by %VRFrame in NVPTXPrologEpilogPass, we check
VRFrame register instead, and try to remove the VRFrame if there
is no usage after NVPTXPeephole pass.
Patched by Xuetian Weng.
Test Plan:
Strengthened test/CodeGen/NVPTX/local-stack-frame.ll to check the
offset calculation based on SP and SPL.
Reviewers: jholewinski, jingyue
Reviewed By: jingyue
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10853
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241185
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Bill Schmidt [Wed, 1 Jul 2015 19:40:07 +0000 (19:40 +0000)]
[PPC64LE] Enable missing lxvdsx optimization, and related swap optimization
When adding little-endian vector support for PowerPC last year, I
inadvertently disabled an optimization that recognizes a load-splat
idiom and generates the lxvdsx instruction. This patch moves the
offending logic so lxvdsx is once again generated.
This pattern is frequently generated by the vectorizer for scalar
loads of an effective constant. Previously the lxvdsx instruction was
wrongly listed as lane-sensitive for the VSX swap optimization (since
both doublewords are identical, swaps are safe). This patch fixes
this as well, so that vectorized code using lxvdsx can now have swaps
removed from the computation.
There is an existing test (@test50) in test/CodeGen/PowerPC/vsx.ll
that checks for the missing optimization. However, vsx.ll was only
being tested for POWER7 with big-endian code generation. I've added
a little-endian RUN statement and expected LE code generation for all
the tests in vsx.ll to give us a bit better VSX coverage, including
what's needed for this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241183
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Sanjay Patel [Wed, 1 Jul 2015 18:10:20 +0000 (18:10 +0000)]
add a cl::opt override for TargetLoweringBase's JumpIsExpensive
This patch is not intended to change existing codegen behavior for any target.
It just exposes the JumpIsExpensive setting on the command-line to allow for
easier testing and emergency overrides.
Also, change the existing regression test to use FileCheck, explicitly specify
the jump-is-expensive option, and use more precise checks.
Differential Revision: http://reviews.llvm.org/D10846
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241179
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Jonathan Roelofs [Wed, 1 Jul 2015 18:09:21 +0000 (18:09 +0000)]
Disallow in-source builds (as we already do for the cmake build).
http://reviews.llvm.org/D10614
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241178
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David Blaikie [Wed, 1 Jul 2015 18:07:16 +0000 (18:07 +0000)]
Revert "[DWARF] Fix debug info generation for function static variables, typedefs, and records"
Caused PR24008
This reverts commit
37cb5f1c2db9f42d29f26b215585f56bb64ae4f5.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241176
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Sanjay Patel [Wed, 1 Jul 2015 17:58:53 +0000 (17:58 +0000)]
fix formatting; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241175
91177308-0d34-0410-b5e6-
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Sanjay Patel [Wed, 1 Jul 2015 17:55:07 +0000 (17:55 +0000)]
fix typos in comment; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241174
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Matthias Braun [Wed, 1 Jul 2015 17:17:17 +0000 (17:17 +0000)]
LivePhysRegs: Add support to add pristine registers when populating with live-in/live-out registers.
Differential Revision: http://reviews.llvm.org/D10139
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241172
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Reid Kleckner [Wed, 1 Jul 2015 16:45:47 +0000 (16:45 +0000)]
[SEH] Don't assert if the parent function lacks a personality
The EH code might have been deleted as unreachable and the personality
pruned while the filter is still present. Currently I'm hitting this at
-O0 due to the clang bug PR24009.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241170
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Benjamin Kramer [Wed, 1 Jul 2015 16:18:16 +0000 (16:18 +0000)]
[AsmPrinter] Hide implementation details
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241169
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Arnaud A. de Grandmaison [Wed, 1 Jul 2015 15:05:58 +0000 (15:05 +0000)]
[AArch64] Implement add/adds/sub/subs/cmp/cmn with negative immediate aliases
This patch teaches the AsmParser to accept add/adds/sub/subs/cmp/cmn
with a negative immediate operand and convert them as shown:
add Rd, Rn, -imm -> sub Rd, Rn, imm
sub Rd, Rn, -imm -> add Rd, Rn, imm
adds Rd, Rn, -imm -> subs Rd, Rn, imm
subs Rd, Rn, -imm -> adds Rd, Rn, imm
cmp Rn, -imm -> cmn Rn, imm
cmn Rn, -imm -> cmp Rn, imm
Those instructions are an alternate syntax available to assembly coders,
and are needed in order to support code already compiling with some other
assemblers (gas). They are documented in the "ARMv8 Instruction Set
Overview", in the "Arithmetic (immediate)" section. This makes llvm-mc
a programmer-friendly assembler !
This also fixes PR20978: "Assembly handling of adding negative numbers
not as smart as gas".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241166
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Benjamin Kramer [Wed, 1 Jul 2015 14:55:10 +0000 (14:55 +0000)]
[SDAG] Give InstrEmitter hidden visibility
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241165
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Benjamin Kramer [Wed, 1 Jul 2015 14:47:39 +0000 (14:47 +0000)]
[CodeGen] Reduce visibility of implementation details
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241164
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James Y Knight [Wed, 1 Jul 2015 14:38:07 +0000 (14:38 +0000)]
[Sparc] Rearrange SparcInstrInfo, no change.
Move some instructions into order of sections in the spec, as the rest
already were.
Differential Revision: http://reviews.llvm.org/D9102
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241163
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Michael Kuperstein [Wed, 1 Jul 2015 13:45:25 +0000 (13:45 +0000)]
Test committed in r241153 is more target-specific than I thought.
Moving the (original, x86-only) test to the X86 directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241162
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Scott Douglass [Wed, 1 Jul 2015 13:41:18 +0000 (13:41 +0000)]
Expand Phabricator docs slightly
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241161
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Igor Breger [Wed, 1 Jul 2015 13:24:28 +0000 (13:24 +0000)]
AVX-512: Implemented missing encoding for FMA scalar instructions
Added tests for encoding
Differential Revision: http://reviews.llvm.org/D10865
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241159
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Michael Kuperstein [Wed, 1 Jul 2015 13:05:57 +0000 (13:05 +0000)]
Fix non-target-specific test not to use the x86 triple.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241158
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Rafael Espindola [Wed, 1 Jul 2015 12:56:27 +0000 (12:56 +0000)]
Return ErrorOr from getSection.
This also improves the logic of what is an error:
* getSection(uint_32): only return an error if the index is out of bounds. The
index 0 corresponds to a perfectly valid entry.
* getSection(Elf_Sym): Returns null for symbols that normally don't have
sections and error for out of bound indexes.
In many places this just moves the report_fatal_error up the stack, but those
can then be fixed in smaller patches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241156
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Michael Kuperstein [Wed, 1 Jul 2015 12:33:11 +0000 (12:33 +0000)]
[DWARF] Fix debug info generation for function static variables, typedefs, and records
Function static variables, typedefs and records (class, struct or union) declared inside
a lexical scope were associated with the function as their parent scope, rather than the
lexical scope they are defined or declared in.
This fixes PR19238
Patch by: amjad.aboud@intel.com
Differential Revision: http://reviews.llvm.org/D9758
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241153
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Michael Kuperstein [Wed, 1 Jul 2015 10:54:42 +0000 (10:54 +0000)]
[X86] Avoid over-relaxation of 8-bit immediates in integer arithmetic instructions.
Only consider an instruction a candidate for relaxation if the last operand of the
instruction is an expression. We previously checked whether any operand is an expression,
which is useless, since for all instructions concerned, the only operand that may be
affected by relaxation is the last one.
In addition, this removes the check for having RIP as an argument, since it was
plain wrong - even when one of the arguments is RIP, relaxation may still be needed.
This fixes PR9807.
Patch by: david.l.kreitzer@intel.com
Differential Revision: http://reviews.llvm.org/D10766
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241152
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NAKAMURA Takumi [Wed, 1 Jul 2015 10:28:09 +0000 (10:28 +0000)]
Revert part of r241149, "Fix PR23872: Integrated assembler error message when using .type directive with @ in AArch32 assembly."
The test should be split among targets. llvm/test/MC/ELF/ is assumed as X86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241151
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Zoran Jovanovic [Wed, 1 Jul 2015 09:54:51 +0000 (09:54 +0000)]
[mips][microMIPS] Implement SLL and NOP instructions
http://reviews.llvm.org/D10474
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241150
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Gabor Ballabas [Wed, 1 Jul 2015 08:58:49 +0000 (08:58 +0000)]
Fix PR23872: Integrated assembler error message when using .type directive with @ in AArch32 assembly.
The AArch32 assembler parses the '@' as a comment symbol, so the error message shouldn't suggest
that '@<type>' is a valid replacement when assembling for AArch32 target.
Differential Revision: http://reviews.llvm.org/D10651
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241149
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David Majnemer [Wed, 1 Jul 2015 05:38:07 +0000 (05:38 +0000)]
[LoopUnroll] Use undef for phis with no value live
We would create a phi node with a zero initialized operand instead of
undef in the case where no value was originally available. This was
problematic for x86_mmx which has no null value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241143
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David Majnemer [Wed, 1 Jul 2015 05:37:57 +0000 (05:37 +0000)]
[SCCP] Turn loads of null into undef instead of zero initialized values
Surprisingly, this is a correctness issue: the mmx type exists for
calling convention purposes, LLVM doesn't have a zero representation for
them.
This partially fixes PR23999.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241142
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Jingyue Wu [Wed, 1 Jul 2015 03:38:49 +0000 (03:38 +0000)]
[NaryReassociate] enhances nsw by leveraging @llvm.assume
Summary:
nsw are flaky and can often be removed by optimizations. This patch enhances
nsw by leveraging @llvm.assume in the IR. Specifically, NaryReassociate now
understands that
assume(a + b >= 0) && assume(a >= 0) ==> a +nsw b
As a result, it can split more sext(a + b) into sext(a) + sext(b) for CSE.
Test Plan: nary-gep.ll
Reviewers: broune, meheff
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10822
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241139
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JF Bastien [Wed, 1 Jul 2015 03:32:08 +0000 (03:32 +0000)]
Getting started docs: https, and check signature
Summary: Download should be over https, not insecure ftp at least for the signature and key files. The signature should also get verified.
Test Plan: None
Reviewers: chandlerc
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10845
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241138
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Alexey Samsonov [Tue, 30 Jun 2015 23:11:45 +0000 (23:11 +0000)]
[SanitizerCoverage] Don't add instrumentation to unreachable blocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241127
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Mark Heffernan [Tue, 30 Jun 2015 22:48:51 +0000 (22:48 +0000)]
Fix several typos in LangRef.rst related to loop unrolling metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241126
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Reid Kleckner [Tue, 30 Jun 2015 22:46:59 +0000 (22:46 +0000)]
[SEH] Add new intrinsics for recovering and restoring parent frames
The incoming EBP value established by the runtime is actually a pointer
to the end of the EH registration object, and not the true parent
function frame pointer. Clang doesn't need llvm.x86.seh.exceptioninfo
anymore because we know that the exception info pointer is at a fixed
offset from this incoming EBP.
The llvm.x86.seh.recoverfp intrinsic takes an EBP value provided by the
EH runtime and returns a pointer that is usable with llvm.framerecover.
The llvm.x86.seh.restoreframe intrinsic is inserted by the 32-bit
specific preparation pass in blocks targetted by the EH runtime. It
re-establishes any physical registers used by the parent function to
address the stack, such as the frame, base, and stack pointers.
Neither of these intrinsics correctly handle stack realignment prologues
yet, but it's possible to add that later.
Reviewers: majnemer
Differential Revision: http://reviews.llvm.org/D10848
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241125
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Alexey Samsonov [Tue, 30 Jun 2015 22:38:22 +0000 (22:38 +0000)]
[IRBuilder] Delete unused constructor and SetInsertPoint overload.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241124
91177308-0d34-0410-b5e6-
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Alexey Samsonov [Tue, 30 Jun 2015 22:17:29 +0000 (22:17 +0000)]
Fix memory leak in unittest added in r241101.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241123
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David Majnemer [Tue, 30 Jun 2015 22:14:01 +0000 (22:14 +0000)]
[Cloning] Teach CloneModule about personality functions
CloneModule didn't take into account that it needed to remap the value
using values in the module.
This fixes PR23992.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241122
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Jingyue Wu [Tue, 30 Jun 2015 21:28:31 +0000 (21:28 +0000)]
[NVPTX] cleanups and refacotring in NVPTXFrameLowering.cpp
Summary: NFC
Test Plan: no regression
Reviewers: wengxt
Reviewed By: wengxt
Subscribers: jholewinski, llvm-commits
Differential Revision: http://reviews.llvm.org/D10849
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241118
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Sanjoy Das [Tue, 30 Jun 2015 21:22:32 +0000 (21:22 +0000)]
[FaultMaps] Let the frontend pre-select implicit null check candidates.
Summary:
This change introduces a !make.implicit metadata that allows the
frontend to pre-select the set of explicit null checks that will be
considered for transformation into implicit null checks.
The reason for not using profiling data instead of !make.implicit is
explained in the change to `FaultMaps.rst`.
Reviewers: atrick, reames, pgavlin, JosephTremoulet
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D10824
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241116
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Pete Cooper [Tue, 30 Jun 2015 20:54:21 +0000 (20:54 +0000)]
Pack MCSymbol::HasName in to a spare bit in the section/fragment union.
This is part of an effort to pack the average MCSymbol down to 24 bytes.
The HasName bit was pushing the size of the bitfield over to another word,
so this change uses a PointerIntPair to fit in it to unused bits of a
PointerUnion.
Reviewed by Rafael EspÃndola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241115
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Rafael Espindola [Tue, 30 Jun 2015 20:32:26 +0000 (20:32 +0000)]
Use ErrorOr in getRelocationAdress.
We can probably do better in this method, but this is an improvement and
enables further ErrorOr cleanups.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241114
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Rafael Espindola [Tue, 30 Jun 2015 20:18:49 +0000 (20:18 +0000)]
Implement containsSymbol with other lower level methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241112
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Nemanja Ivanovic [Tue, 30 Jun 2015 20:01:16 +0000 (20:01 +0000)]
Modified a comment about the reason for the patch (removed commented code).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241110
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Rafael Espindola [Tue, 30 Jun 2015 19:58:10 +0000 (19:58 +0000)]
Remove Elf_Shdr_Iter. Diagnose files with invalid section header sizes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241109
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Nemanja Ivanovic [Tue, 30 Jun 2015 19:45:45 +0000 (19:45 +0000)]
Fixes a bug with __builtin_vsx_lxvdw4x on Little Endian systems
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241108
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Rafael Espindola [Tue, 30 Jun 2015 19:24:51 +0000 (19:24 +0000)]
Use range loops. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241105
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Rafael Espindola [Tue, 30 Jun 2015 19:13:25 +0000 (19:13 +0000)]
Use range loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241104
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Peter Collingbourne [Tue, 30 Jun 2015 19:10:31 +0000 (19:10 +0000)]
COFF: Do not assign linker-weak symbols to selectany comdat sections.
It is mandatory to specify a comdat in order to receive comdat semantics
for a symbol. We were previously getting this wrong in -function-sections
mode; linker-weak symbols were being emitted in a selectany comdat. This
change causes such symbols to use a noduplicates comdat instead, fixing
the inconsistency.
Also correct an inaccuracy in the docs.
Differential Revision: http://reviews.llvm.org/D10828
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241103
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Alexey Samsonov [Tue, 30 Jun 2015 19:07:20 +0000 (19:07 +0000)]
[DebugInfo] Let IRBuilder::SetInsertPoint(BB::iterator) update current debug location.
IRBuilder::SetInsertPoint(BB, BB::iterator) is an older version of
IRBuilder::SetInsertPoint(Instruction). However, the latter updates
the current debug location of emitted instruction, while the former
doesn't, which is confusing.
Unify the behavior of these methods: now they both set current debug
location to the debug location of instruction at insertion point.
The callers of IRBuilder::SetInsertPoint(BB, BB::iterator) doesn't
seem to depend on the old behavior (keeping the original debug info
location). On the contrary, sometimes they (e.g. SCEV) *should* be
updating debug info location, but don't. I'll look at gdb bots after
the commit to check that we don't regress on debug info somewhere.
This change may make line table more fine-grained, thus increasing
debug info size. I haven't observed significant increase, though:
it varies from negligible to 0.3% on several binaries and self-hosted
Clang.
This is yet another change targeted at resolving PR23837.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241101
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Rafael Espindola [Tue, 30 Jun 2015 19:02:00 +0000 (19:02 +0000)]
Use range loop.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241100
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Jingyue Wu [Tue, 30 Jun 2015 18:59:19 +0000 (18:59 +0000)]
[NVPTX] Fix issue introduced in D10321
Summary:
Really check if %SP is not used in other places, instead of checking only exact
one non-dbg use.
Patched by Xuetian Weng.
Test Plan:
@foo4 in test/CodeGen/NVPTX/local-stack-frame.ll, create a case that
SP will appear twice.
Reviewers: jholewinski, jingyue
Reviewed By: jingyue
Subscribers: llvm-commits, sfantao, jholewinski
Differential Revision: http://reviews.llvm.org/D10844
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241099
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Adrian Prantl [Tue, 30 Jun 2015 18:32:18 +0000 (18:32 +0000)]
Fix a fixme and make DICompileUnit a distinct node. Tested via clang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241097
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Alex Lorenz [Tue, 30 Jun 2015 18:32:02 +0000 (18:32 +0000)]
Fix compilation failure introduced in r241093.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241096
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 30 Jun 2015 18:23:07 +0000 (18:23 +0000)]
Add a test of an elf file with an invalid section index.
We were already checking, but were missing a test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241094
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Alex Lorenz [Tue, 30 Jun 2015 18:16:42 +0000 (18:16 +0000)]
MIR Serialization: Serialize MBB successors.
This commit implements serialization of the machine basic block successors. It
uses a YAML flow sequence that contains strings that have the MBB references.
The MBB references in those strings use the same syntax as the MBB machine
operands in the machine instruction strings.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10699
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241093
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Alex Lorenz [Tue, 30 Jun 2015 18:00:16 +0000 (18:00 +0000)]
MIR Printer: extract the code that prints MBB references into a new method. NFC.
This commit enables the MIR printer to reuse the code that prints MBB
references.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241087
91177308-0d34-0410-b5e6-
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Alex Lorenz [Tue, 30 Jun 2015 17:55:00 +0000 (17:55 +0000)]
MIR Parser: refactor error reporting for machine instruction parser errors. NFC.
This commit extracts the code that reports an error that's produced by the
machine instruction parser into a new method that can be reused in other places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241086
91177308-0d34-0410-b5e6-
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Alex Lorenz [Tue, 30 Jun 2015 17:47:50 +0000 (17:47 +0000)]
MIR Parser: make the machine instruction parsing interface more consistent. NFC.
This commit refactors the interface for machine instruction parser. It adopts
the pattern of returning a bool and passing in the result in the first argument
that is used by the other parsing methods for the the method 'parse' and the
function 'parseMachineInstr'.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241085
91177308-0d34-0410-b5e6-
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Samuel Antao [Tue, 30 Jun 2015 17:18:00 +0000 (17:18 +0000)]
Force relocation mode to be default, regardless of what is passed to the backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241081
91177308-0d34-0410-b5e6-
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Dan Liew [Tue, 30 Jun 2015 17:16:39 +0000 (17:16 +0000)]
[CMake] Make the CMake files (LLVMConfig.cmake and LLVMExports.cmake)
generated by the Autoconf/Makefile build system relocatable.
Previously the generated CMake files contained hardcoded paths which
prevented a binary installation from being relocated to a different
place in the file system. This problem was most noticeable in LLVM's
official binary releases which were completely unusable by a downstream
project trying to import the CMake targets.
Package maintainers who choose to modify the install location of the
CMake directory without using the ``PROJ_cmake`` Makefile variable
override will need to patch the generated``LLVMConfig.cmake`` so that
``LLVM_INSTALL_PREFIX`` and ``_LLVM_CMAKE_DIR`` variables are set
correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241080
91177308-0d34-0410-b5e6-
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Alex Lorenz [Tue, 30 Jun 2015 16:51:29 +0000 (16:51 +0000)]
MIR Parser: adopt the 'maybeLex...' pattern. NFC.
This commit refactors the machine instruction lexer so that the lexing
functions use the 'maybeLex...' pattern, where they determine if they
can lex the current token by themselves.
Reviewers: Sean Silva
Differential Revision: http://reviews.llvm.org/D10817
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241078
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Sanjay Patel [Tue, 30 Jun 2015 16:30:22 +0000 (16:30 +0000)]
use range-based for loops; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241076
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Rafael Espindola [Tue, 30 Jun 2015 15:33:44 +0000 (15:33 +0000)]
Fix the name of the iterator functions to match the coding standards.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241074
91177308-0d34-0410-b5e6-
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Rafael Espindola [Tue, 30 Jun 2015 14:59:20 +0000 (14:59 +0000)]
Report an error on invalid sh_entsize.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241070
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Michael Kuperstein [Tue, 30 Jun 2015 14:38:57 +0000 (14:38 +0000)]
[X86] Fix a bug in WIN_FTOL_32/64 handling.
Duplicating an FP register "as itself" is a bad idea, since it violates the
invariant that every FP register is mapped to at most one FPU stack slot.
Use the scratch FP register instead.
This fixes PR23957.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241069
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Toma Tabacu [Tue, 30 Jun 2015 13:46:03 +0000 (13:46 +0000)]
[mips] [IAS] Add support for the .module softfloat/hardfloat directives.
These directives are used to set the default value of the SoftFloat feature.
They have the same effect as setting -m{soft, hard}-float from the command line.
Differential Revision: http://reviews.llvm.org/D9073
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241066
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Toma Tabacu [Tue, 30 Jun 2015 12:41:33 +0000 (12:41 +0000)]
[mips] [IAS] Make .module directives change AssemblerOptions->front().
Differential Revision: http://reviews.llvm.org/D10643
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241062
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Ranjeet Singh [Tue, 30 Jun 2015 12:32:53 +0000 (12:32 +0000)]
Reverting r241058 because it's causing buildbot failures.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241061
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Ranjeet Singh [Tue, 30 Jun 2015 11:30:42 +0000 (11:30 +0000)]
There are a few places where subtarget features are still
represented by uint64_t, this patch replaces these
usages with the FeatureBitset (std::bitset) type.
Differential Revision: http://reviews.llvm.org/D10542
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241058
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David Majnemer [Tue, 30 Jun 2015 10:05:43 +0000 (10:05 +0000)]
Correct a typo for a LoopVectorize test
I forgot to specify the correct pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241054
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Toma Tabacu [Tue, 30 Jun 2015 09:36:50 +0000 (09:36 +0000)]
[mips] [IAS] Add support for the .set oddspreg/nooddspreg directives.
Differential Revision: http://reviews.llvm.org/D10657
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241052
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Michael Kuperstein [Tue, 30 Jun 2015 08:49:35 +0000 (08:49 +0000)]
[X86] Add FXSR intrinsics
Add intrinsics for the FXSR instructions (FXSAVE/FXSAVE64/FXRSTOR/FXRSTOR64)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241049
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NAKAMURA Takumi [Tue, 30 Jun 2015 05:59:13 +0000 (05:59 +0000)]
ELF.h: Prune obsolete comments removed in r240996. [-Wdocumentation]
FIXME: Should they be moved onto Elf_Sym_Impl::getNmae()?
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241044
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Rafael Espindola [Tue, 30 Jun 2015 04:08:37 +0000 (04:08 +0000)]
Don't return error_code from a function that doesn't fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241042
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Dan Gohman [Tue, 30 Jun 2015 03:52:25 +0000 (03:52 +0000)]
Drop the OS from the WebAssembly target triple for now.
This unbreaks TripleTest.Normalization. We'll have to come up with a new
plan for the OS component of the target triple for WebAssembly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241041
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Rafael Espindola [Tue, 30 Jun 2015 03:41:26 +0000 (03:41 +0000)]
Move function to the only file that uses it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241040
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Rafael Espindola [Tue, 30 Jun 2015 03:33:18 +0000 (03:33 +0000)]
Don't return error_code from a function that doesn't fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241039
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Adrian Prantl [Tue, 30 Jun 2015 02:13:04 +0000 (02:13 +0000)]
Debug info: Add dwarf backend support for DIModule.
rdar://problem/
20965932
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241034
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Rafael Espindola [Tue, 30 Jun 2015 01:53:01 +0000 (01:53 +0000)]
Don't return error_code from a function that doesn't fail.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241033
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Dan Gohman [Tue, 30 Jun 2015 00:56:48 +0000 (00:56 +0000)]
Fix LastArchType to point to the new last arch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241030
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Rafael Espindola [Tue, 30 Jun 2015 00:33:59 +0000 (00:33 +0000)]
Cleanup getRelocationAddend.
Realistically, this will be returning ErrorOr for some time as refactoring the
user code to check once per section will take some time.
Given that, use it for checking if a relocation has addend or not.
While at it, add ELFRelocationRef to simplify the users.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241028
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Matthias Braun [Tue, 30 Jun 2015 00:33:44 +0000 (00:33 +0000)]
RegisterCoalescer: Cleanup empty subranges after shrinkToUses()
A call to removeEmptySubranges() is necessary after every operation that
potentially removes all segments from a subregister range; this case in
the register coalescer was missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241027
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Adrian Prantl [Tue, 30 Jun 2015 00:25:41 +0000 (00:25 +0000)]
llvm-bcanalyzer: Add a field that was missed in r241016.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241026
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Rui Ueyama [Tue, 30 Jun 2015 00:03:56 +0000 (00:03 +0000)]
Object/COFF: Define coff_symbol_generic.
If you only need Name and Value fields in the COFF symbol,
you don't need to distinguish 32 bit and 64 bit COFF symbols.
These fields start at the same offsets and have the same size.
This data strucutre is one pointer smaller than COFFSymbolRef
thus slightly efficient. I'll use this class in LLD as we create
millions of LLD symbol objects that currently contain COFFSymbolRef.
Shaving off 8 byte (or 4 byte on 32 bit) from that class actually
matters becasue of the number of objects we create in LLD.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241024
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Rafael Espindola [Mon, 29 Jun 2015 23:55:05 +0000 (23:55 +0000)]
Use asserts for checks that should never fail.
If a section is not SHT_REL or SHT_RELA, we never create a valid iterator,
so the getRelocation* methods should always see a section with the correct type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241023
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Dan Gohman [Mon, 29 Jun 2015 23:51:55 +0000 (23:51 +0000)]
[WebAssembly] Initial WebAssembly backend
This WebAssembly backend is just a skeleton at this time and is not yet
functional.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241022
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Rafael Espindola [Mon, 29 Jun 2015 23:29:12 +0000 (23:29 +0000)]
Don't return error_code from function that never fails.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241021
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Peter Collingbourne [Mon, 29 Jun 2015 23:09:12 +0000 (23:09 +0000)]
lto: Clean up C libLTO interfaces pertaining to linker flags.
Specifically, remove the dependent library interface and replace the existing
linker option interface with a new one that returns a single list of flags.
Differential Revision: http://reviews.llvm.org/D10820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241018
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Adrian Prantl [Mon, 29 Jun 2015 23:03:47 +0000 (23:03 +0000)]
Add a DIModule metadata node to the IR.
It is meant to be used to record modules @imported by the current
compile unit, so a debugger an import the same modules to replicate this
environment before dropping into the expression evaluator.
DIModule is a sibling to DINamespace and behaves quite similarly.
In addition to the name of the module it also records the module
configuration details that are necessary to uniquely identify the module.
This includes the configuration macros (e.g., -DNDEBUG), the include path
where the module.map file is to be found, and the isysroot.
The idea is that the backend will turn this into a DW_TAG_module.
http://reviews.llvm.org/D9614
rdar://problem/
20965932
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241017
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Duncan P. N. Exon Smith [Mon, 29 Jun 2015 22:50:35 +0000 (22:50 +0000)]
bcanalyzer: Rewrite all the METADATA_ codes
Add all the new `Metadata` codes since LLVM 3.6, and at the same time
follow the precedent set in other blocks by removing the `METADATA_`
prefix from the string output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241016
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Duncan P. N. Exon Smith [Mon, 29 Jun 2015 22:50:32 +0000 (22:50 +0000)]
bcanalyzer: Use a macro to decode bitcodes, NFC
I'm about to add a whack of missing names for metadata. Add a macro to
make this easier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241015
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Ben Langmuir [Mon, 29 Jun 2015 22:16:39 +0000 (22:16 +0000)]
Reapply "Use gethostuuid() on Mac to identify hosts for LockFileManager"
Reapplies r241005 after fixing the build on non-Mac platforms. Original
commit message below.
The hostname can be very unstable when there are many machines on the
network competing for the same name. Using the hardware UUID makes it
less likely to have collisions or to consider files written by the
current host to be owned by a different one at a later time.
rdar://problem/
21512307
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241012
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Peter Collingbourne [Mon, 29 Jun 2015 22:04:09 +0000 (22:04 +0000)]
Teach LTOModule to emit linker flags for dllexported symbols, plus interface cleanup.
This change unifies how LTOModule and the backend obtain linker flags
for globals: via a new TargetLoweringObjectFile member function named
emitLinkerFlagsForGlobal. A new function LTOModule::getLinkerOpts() returns
the list of linker flags as a single concatenated string.
This change affects the C libLTO API: the function lto_module_get_*deplibs now
exposes an empty list, and lto_module_get_*linkeropts exposes a single element
which combines the contents of all observed flags. libLTO should never have
tried to parse the linker flags; it is the linker's job to do so. Because
linkers will need to be able to parse flags in regular object files, it
makes little sense for libLTO to have a redundant mechanism for doing so.
The new API is compatible with the old one. It is valid for a user to specify
multiple linker flags in a single pragma directive like this:
#pragma comment(linker, "/defaultlib:foo /defaultlib:bar")
The previous implementation would not have exposed
either flag via lto_module_get_*deplibs (as the test in
TargetLoweringObjectFileCOFF::getDepLibFromLinkerOpt was case sensitive)
and would have exposed "/defaultlib:foo /defaultlib:bar" as a single flag via
lto_module_get_*linkeropts. This may have been a bug in the implementation,
but it does give us a chance to fix the interface.
Differential Revision: http://reviews.llvm.org/D10548
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241010
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Sanjoy Das [Mon, 29 Jun 2015 22:00:30 +0000 (22:00 +0000)]
[FaultMaps][Docs] Document the ImplicitNullChecks pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241009
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Ben Langmuir [Mon, 29 Jun 2015 21:56:03 +0000 (21:56 +0000)]
Revert "Use gethostuuid() on Mac to identify hosts for LockFileManager"
Broke non-Mac builds.
This reverts commit r241005.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241007
91177308-0d34-0410-b5e6-
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Ben Langmuir [Mon, 29 Jun 2015 21:47:44 +0000 (21:47 +0000)]
Use gethostuuid() on Mac to identify hosts for LockFileManager
The hostname can be very unstable when there are many machines on the
network competing for the same name. Using the hardware UUID makes it
less likely to have collisions or to consider files written by the
current host to be owned by a different one at a later time.
rdar://problem/
21512307
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241005
91177308-0d34-0410-b5e6-
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Tim Northover [Mon, 29 Jun 2015 21:42:16 +0000 (21:42 +0000)]
ARM: add correct kill flags when combining stm instructions
When the store sequence being combined actually stores the base register, we
should not mark it as killed until the end.
rdar://
21504262
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241003
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Matthias Braun [Mon, 29 Jun 2015 21:35:51 +0000 (21:35 +0000)]
X86: Rework inline asm integer register specification.
This is a new version of http://reviews.llvm.org/D10260.
It turned out that when you specify an integer register in inline asm on
x86 you get the register of the required type size back. That means that
X86TargetLowering::getRegForInlineAsmConstraint() has to accept any of
the integer registers and adapt its size to the given target size which
may be any 8/16/32/64 bit sized type. Surprisingly that means given a
constraint of "{ax}" and a type of MVT::F32 we need to return X86::EAX.
This change makes this face explicit, the previous code seemed like
working by accident because there it never returned an error once a
register was found. On the other hand this rewrite allows to actually
return errors for invalid situations like requesting an integer register
for an i128 type.
Related to rdar://
21042280
Differential Revision: http://reviews.llvm.org/D10813
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241002
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Alexey Samsonov [Mon, 29 Jun 2015 21:30:14 +0000 (21:30 +0000)]
[LoopSimplify] Set proper debug location in loop backedge blocks.
Set debug location for terminator instruction in loop backedge block
(which is an unconditional jump to loop header). We can't copy debug
location from original backedges, as there can be several of them,
with different debug info locations. So, we follow the approach of
SplitBlockPredecessors, and copy the debug info from first non-PHI
instruction in the header (i.e. destination block).
This is yet another change for PR23837.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240999
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Sanjoy Das [Mon, 29 Jun 2015 21:27:36 +0000 (21:27 +0000)]
[FaultMaps] Fix test case.
implicit-null-check-negative.ll had a missing 2>&1. Fix this, and
remove an incorrect test case that this exposes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240998
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Rafael Espindola [Mon, 29 Jun 2015 21:24:55 +0000 (21:24 +0000)]
Convert obj->getSymbolName to sym->getName.
I doesn't depend on the object anymore.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240996
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