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b835b9cf36
We really ought to support no_sanitize("coverage") in line with other
sanitizers. This came up again in discussions on the Linux-kernel
mailing lists, because we currently do workarounds using objtool to
remove coverage instrumentation. Since that support is only on x86, to
continue support coverage instrumentation on other architectures, we
must support selectively disabling coverage instrumentation via function
attributes.
Unfortunately, for SanitizeCoverage, it has not been implemented as a
sanitizer via fsanitize= and associated options in Sanitizers.def, but
rolls its own option fsanitize-coverage. This meant that we never got
"automatic" no_sanitize attribute support.
Implement no_sanitize attribute support by special-casing the string
"coverage" in the NoSanitizeAttr implementation. To keep the feature as
unintrusive to existing IR generation as possible, define a new negative
function attribute NoSanitizeCoverage to propagate the information
through to the instrumentation pass.
Fixes: https://bugs.llvm.org/show_bug.cgi?id=49035
Reviewed By: vitalybuka, morehouse
Differential Revision: https://reviews.llvm.org/D102772
497 lines
7.9 KiB
C++
497 lines
7.9 KiB
C++
//===- LLToken.h - Token Codes for LLVM Assembly Files ----------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the enums for the .ll lexer.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_ASMPARSER_LLTOKEN_H
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#define LLVM_LIB_ASMPARSER_LLTOKEN_H
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namespace llvm {
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namespace lltok {
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enum Kind {
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// Markers
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Eof,
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Error,
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// Tokens with no info.
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dotdotdot, // ...
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equal,
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comma, // = ,
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star, // *
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lsquare,
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rsquare, // [ ]
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lbrace,
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rbrace, // { }
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less,
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greater, // < >
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lparen,
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rparen, // ( )
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exclaim, // !
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bar, // |
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colon, // :
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kw_vscale,
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kw_x,
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kw_true,
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kw_false,
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kw_declare,
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kw_define,
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kw_global,
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kw_constant,
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kw_dso_local,
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kw_dso_preemptable,
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kw_private,
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kw_internal,
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kw_linkonce,
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kw_linkonce_odr,
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kw_weak, // Used as a linkage, and a modifier for "cmpxchg".
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kw_weak_odr,
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kw_appending,
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kw_dllimport,
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kw_dllexport,
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kw_common,
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kw_available_externally,
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kw_default,
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kw_hidden,
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kw_protected,
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kw_unnamed_addr,
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kw_local_unnamed_addr,
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kw_externally_initialized,
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kw_extern_weak,
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kw_external,
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kw_thread_local,
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kw_localdynamic,
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kw_initialexec,
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kw_localexec,
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kw_zeroinitializer,
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kw_undef,
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kw_poison,
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kw_null,
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kw_none,
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kw_to,
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kw_caller,
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kw_within,
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kw_from,
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kw_tail,
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kw_musttail,
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kw_notail,
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kw_target,
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kw_triple,
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kw_source_filename,
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kw_unwind,
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kw_deplibs, // FIXME: Remove in 4.0
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kw_datalayout,
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kw_volatile,
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kw_atomic,
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kw_unordered,
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kw_monotonic,
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kw_acquire,
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kw_release,
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kw_acq_rel,
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kw_seq_cst,
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kw_syncscope,
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kw_nnan,
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kw_ninf,
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kw_nsz,
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kw_arcp,
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kw_contract,
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kw_reassoc,
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kw_afn,
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kw_fast,
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kw_nuw,
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kw_nsw,
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kw_exact,
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kw_inbounds,
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kw_inrange,
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kw_align,
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kw_addrspace,
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kw_section,
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kw_partition,
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kw_alias,
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kw_ifunc,
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kw_module,
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kw_asm,
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kw_sideeffect,
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kw_alignstack,
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kw_inteldialect,
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kw_gc,
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kw_prefix,
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kw_prologue,
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kw_c,
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kw_cc,
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kw_ccc,
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kw_fastcc,
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kw_coldcc,
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kw_intel_ocl_bicc,
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kw_cfguard_checkcc,
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kw_x86_stdcallcc,
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kw_x86_fastcallcc,
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kw_x86_thiscallcc,
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kw_x86_vectorcallcc,
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kw_x86_regcallcc,
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kw_arm_apcscc,
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kw_arm_aapcscc,
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kw_arm_aapcs_vfpcc,
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kw_aarch64_vector_pcs,
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kw_aarch64_sve_vector_pcs,
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kw_msp430_intrcc,
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kw_avr_intrcc,
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kw_avr_signalcc,
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kw_ptx_kernel,
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kw_ptx_device,
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kw_spir_kernel,
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kw_spir_func,
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kw_x86_64_sysvcc,
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kw_win64cc,
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kw_webkit_jscc,
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kw_anyregcc,
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kw_swiftcc,
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kw_swifttailcc,
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kw_preserve_mostcc,
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kw_preserve_allcc,
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kw_ghccc,
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kw_x86_intrcc,
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kw_hhvmcc,
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kw_hhvm_ccc,
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kw_cxx_fast_tlscc,
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kw_amdgpu_vs,
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kw_amdgpu_ls,
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kw_amdgpu_hs,
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kw_amdgpu_es,
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kw_amdgpu_gs,
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kw_amdgpu_ps,
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kw_amdgpu_cs,
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kw_amdgpu_kernel,
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kw_amdgpu_gfx,
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kw_tailcc,
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// Attributes:
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kw_attributes,
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kw_allocsize,
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kw_alwaysinline,
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kw_argmemonly,
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kw_sanitize_address,
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kw_sanitize_hwaddress,
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kw_sanitize_memtag,
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kw_builtin,
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kw_byval,
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kw_inalloca,
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kw_cold,
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kw_convergent,
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kw_dereferenceable,
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kw_dereferenceable_or_null,
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kw_inaccessiblememonly,
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kw_inaccessiblemem_or_argmemonly,
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kw_inlinehint,
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kw_inreg,
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kw_jumptable,
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kw_minsize,
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kw_naked,
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kw_nest,
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kw_noalias,
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kw_noundef,
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kw_nobuiltin,
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kw_nocallback,
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kw_nocapture,
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kw_noduplicate,
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kw_nofree,
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kw_noimplicitfloat,
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kw_noinline,
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kw_norecurse,
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kw_nonlazybind,
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kw_nomerge,
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kw_nonnull,
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kw_noprofile,
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kw_noredzone,
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kw_noreturn,
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kw_nosync,
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kw_nocf_check,
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kw_nounwind,
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kw_nosanitize_coverage,
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kw_null_pointer_is_valid,
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kw_optforfuzzing,
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kw_optnone,
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kw_optsize,
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kw_preallocated,
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kw_readnone,
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kw_readonly,
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kw_returned,
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kw_returns_twice,
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kw_signext,
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kw_speculatable,
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kw_ssp,
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kw_sspreq,
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kw_sspstrong,
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kw_safestack,
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kw_shadowcallstack,
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kw_sret,
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kw_sanitize_thread,
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kw_sanitize_memory,
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kw_speculative_load_hardening,
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kw_strictfp,
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kw_swifterror,
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kw_swiftself,
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kw_swiftasync,
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kw_uwtable,
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kw_vscale_range,
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kw_willreturn,
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kw_writeonly,
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kw_zeroext,
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kw_immarg,
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kw_byref,
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kw_mustprogress,
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kw_type,
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kw_opaque,
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kw_comdat,
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// Comdat types
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kw_any,
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kw_exactmatch,
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kw_largest,
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kw_noduplicates,
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kw_samesize,
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kw_eq,
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kw_ne,
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kw_slt,
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kw_sgt,
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kw_sle,
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kw_sge,
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kw_ult,
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kw_ugt,
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kw_ule,
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kw_uge,
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kw_oeq,
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kw_one,
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kw_olt,
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kw_ogt,
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kw_ole,
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kw_oge,
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kw_ord,
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kw_uno,
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kw_ueq,
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kw_une,
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// atomicrmw operations that aren't also instruction keywords.
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kw_xchg,
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kw_nand,
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kw_max,
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kw_min,
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kw_umax,
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kw_umin,
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// Instruction Opcodes (Opcode in UIntVal).
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kw_fneg,
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kw_add,
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kw_fadd,
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kw_sub,
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kw_fsub,
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kw_mul,
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kw_fmul,
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kw_udiv,
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kw_sdiv,
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kw_fdiv,
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kw_urem,
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kw_srem,
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kw_frem,
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kw_shl,
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kw_lshr,
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kw_ashr,
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kw_and,
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kw_or,
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kw_xor,
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kw_icmp,
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kw_fcmp,
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kw_phi,
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kw_call,
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kw_trunc,
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kw_zext,
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kw_sext,
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kw_fptrunc,
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kw_fpext,
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kw_uitofp,
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kw_sitofp,
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kw_fptoui,
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kw_fptosi,
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kw_inttoptr,
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kw_ptrtoint,
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kw_bitcast,
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kw_addrspacecast,
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kw_select,
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kw_va_arg,
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kw_landingpad,
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kw_personality,
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kw_cleanup,
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kw_catch,
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kw_filter,
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kw_ret,
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kw_br,
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kw_switch,
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kw_indirectbr,
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kw_invoke,
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kw_resume,
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kw_unreachable,
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kw_cleanupret,
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kw_catchswitch,
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kw_catchret,
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kw_catchpad,
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kw_cleanuppad,
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kw_callbr,
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kw_alloca,
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kw_load,
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kw_store,
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kw_fence,
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kw_cmpxchg,
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kw_atomicrmw,
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kw_getelementptr,
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kw_extractelement,
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kw_insertelement,
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kw_shufflevector,
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kw_extractvalue,
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kw_insertvalue,
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kw_blockaddress,
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kw_dso_local_equivalent,
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kw_freeze,
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// Metadata types.
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kw_distinct,
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// Use-list order directives.
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kw_uselistorder,
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kw_uselistorder_bb,
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// Summary index keywords
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kw_path,
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kw_hash,
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kw_gv,
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kw_guid,
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kw_name,
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kw_summaries,
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kw_flags,
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kw_blockcount,
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kw_linkage,
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kw_visibility,
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kw_notEligibleToImport,
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kw_live,
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kw_dsoLocal,
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kw_canAutoHide,
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kw_function,
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kw_insts,
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kw_funcFlags,
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kw_readNone,
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kw_readOnly,
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kw_noRecurse,
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kw_returnDoesNotAlias,
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kw_noInline,
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kw_alwaysInline,
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kw_calls,
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kw_callee,
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kw_params,
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kw_param,
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kw_hotness,
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kw_unknown,
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kw_hot,
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kw_critical,
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kw_relbf,
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kw_variable,
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kw_vTableFuncs,
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kw_virtFunc,
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kw_aliasee,
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kw_refs,
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kw_typeIdInfo,
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kw_typeTests,
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kw_typeTestAssumeVCalls,
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kw_typeCheckedLoadVCalls,
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kw_typeTestAssumeConstVCalls,
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kw_typeCheckedLoadConstVCalls,
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kw_vFuncId,
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kw_offset,
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kw_args,
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kw_typeid,
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kw_typeidCompatibleVTable,
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kw_summary,
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kw_typeTestRes,
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kw_kind,
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kw_unsat,
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kw_byteArray,
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kw_inline,
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kw_single,
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kw_allOnes,
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kw_sizeM1BitWidth,
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kw_alignLog2,
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kw_sizeM1,
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kw_bitMask,
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kw_inlineBits,
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kw_vcall_visibility,
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kw_wpdResolutions,
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kw_wpdRes,
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kw_indir,
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kw_singleImpl,
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kw_branchFunnel,
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kw_singleImplName,
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kw_resByArg,
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kw_byArg,
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kw_uniformRetVal,
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kw_uniqueRetVal,
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kw_virtualConstProp,
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kw_info,
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kw_byte,
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kw_bit,
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kw_varFlags,
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// Unsigned Valued tokens (UIntVal).
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LabelID, // 42:
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GlobalID, // @42
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LocalVarID, // %42
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AttrGrpID, // #42
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SummaryID, // ^42
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// String valued tokens (StrVal).
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LabelStr, // foo:
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GlobalVar, // @foo @"foo"
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ComdatVar, // $foo
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LocalVar, // %foo %"foo"
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MetadataVar, // !foo
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StringConstant, // "foo"
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DwarfTag, // DW_TAG_foo
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DwarfAttEncoding, // DW_ATE_foo
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DwarfVirtuality, // DW_VIRTUALITY_foo
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DwarfLang, // DW_LANG_foo
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DwarfCC, // DW_CC_foo
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EmissionKind, // lineTablesOnly
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NameTableKind, // GNU
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DwarfOp, // DW_OP_foo
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DIFlag, // DIFlagFoo
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DISPFlag, // DISPFlagFoo
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DwarfMacinfo, // DW_MACINFO_foo
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ChecksumKind, // CSK_foo
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// Type valued tokens (TyVal).
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Type,
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APFloat, // APFloatVal
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APSInt // APSInt
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};
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} // end namespace lltok
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} // end namespace llvm
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#endif
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