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David Majnemer f0f224d12d [IR] Add support for empty tokens 
When working with tokens, it is often the case that one has instructions
which consume a token and produce a new token.  Currently, we have no
mechanism to represent an initial token state.

Instead, we can create a notional "empty token" by inventing a new
constant which captures the semantics we would like.  This new constant
is called ConstantTokenNone and is written textually as "token none".

Differential Revision: http://reviews.llvm.org/D14581

llvm-svn: 252811
 		2015-11-11 21:57:16 +00:00
..
Analysis [ValueTracking] Remove untested / unreachable code, NFC 2015-11-11 00:16:41 +00:00
AsmParser [IR] Add support for empty tokens 2015-11-11 21:57:16 +00:00
Bitcode [OperandBundles] Identify operand bundles with both their names and IDs 2015-11-10 20:13:15 +00:00
CodeGen [DAGCombiner] Improve zextload optimization. 2015-11-11 19:42:52 +00:00
DebugInfo [Symbolizer]: Add -pretty-print option 2015-11-11 20:41:43 +00:00
ExecutionEngine [RuntimeDyld] Add support for R_X86_64_PC8 relocation. 2015-11-08 19:34:17 +00:00
Fuzzer [libFuzzer] add UninstrumentedTest.cpp (missing from a previous commit) 2015-11-10 22:02:56 +00:00
IR [IR] Add support for empty tokens 2015-11-11 21:57:16 +00:00
IRReader Return a unique_ptr from getLazyBitcodeModule and parseBitcodeFile. NFC. 2015-06-16 22:27:55 +00:00
LTO Add a libLTO diagnostic handler that supports lto_get_error_message API 2015-11-11 19:59:08 +00:00
LibDriver [Option] Use an ArrayRef to store the Option Infos in OptTable. NFC 2015-10-21 16:30:42 +00:00
LineEditor
…
Linker Ensure ModuleLinker materializes complete comdat groups 2015-11-10 21:09:06 +00:00
MC [MC] Use LShr for constant evaluation of ">>" on non-arm64 darwin. 2015-11-11 00:51:36 +00:00
Object Fix llvm-nm(1) printing of llvm-bitcode files for -format darwin to match darwin’s nm(1). 2015-11-10 00:31:08 +00:00
Option [Option] Use an ArrayRef to store the Option Infos in OptTable. NFC 2015-10-21 16:30:42 +00:00
Passes [PM] Port StripDeadPrototypes to the new pass manager 2015-10-30 23:28:12 +00:00
ProfileData unique_ptrify the AllocValueProfData helper function introduced in r252783 2015-11-11 20:44:52 +00:00
Support Report Windows error code in a fatal error after a system call. 2015-11-11 20:49:32 +00:00
TableGen [TblGen] ArrayRefize TGParser. No functional change intended. 2015-10-24 12:46:45 +00:00
Target [WinEH] Only generate UnwindHelp slot for MSVCXX 2015-11-11 19:21:09 +00:00
Transforms [IR] Add support for empty tokens 2015-11-11 21:57:16 +00:00
CMakeLists.txt LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00
LLVMBuild.txt Wrap some long lines in LLVMBuild files. NFC 2015-06-12 18:44:57 +00:00
Makefile LibDriver, llvm-lib: introduce. 2015-06-09 21:50:22 +00:00