maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/llvm/lib
History
James Molloy 9d55f19cfa Reapply "[ARM] Combine CMOV into BFI where possible" 
Added fixes for stage2 failures: CMOV is not commutable; commuting the operands results in the condition being flipped! d'oh!

Original commit message:

If we have a CMOV, OR and AND combination such as:
  if (x & CN)
      y |= CM;

And:
  * CN is a single bit;
    * All bits covered by CM are known zero in y;

Then we can convert this to a sequence of BFI instructions. This will always be a win if CM is a single bit, will always be no worse than the TST & OR sequence if CM is two bits, and for thumb will be no worse if CM is three bits (due to the extra IT instruction).

llvm-svn: 252606
 		2015-11-10 14:22:05 +00:00
..
Analysis Strip metadata when speculatively hoisting instructions 2015-11-10 14:10:31 +00:00
AsmParser Add 'notail' marker for call instructions. 2015-11-06 23:55:38 +00:00
Bitcode Add a method to the BitcodeReader to parse only the identification block 2015-11-09 02:46:41 +00:00
CodeGen Support for emitting inline stack probes 2015-11-10 01:50:49 +00:00
DebugInfo [LLVMSymbolize] Reduce indentation by using helper function. NFC. 2015-11-04 00:30:26 +00:00
ExecutionEngine [RuntimeDyld] Add support for R_X86_64_PC8 relocation. 2015-11-08 19:34:17 +00:00
Fuzzer [libFuzzer] make libFuzzer link if there is no sanitizer coverage instrumentation (it will fail at start-up time) 2015-11-09 23:17:45 +00:00
IR [OperandBundles] Rename accessor, NFC 2015-11-07 01:56:04 +00:00
IRReader Return a unique_ptr from getLazyBitcodeModule and parseBitcodeFile. NFC. 2015-06-16 22:27:55 +00:00
LTO Add a method to the BitcodeReader to parse only the identification block 2015-11-09 02:46:41 +00:00
LibDriver [Option] Use an ArrayRef to store the Option Infos in OptTable. NFC 2015-10-21 16:30:42 +00:00
LineEditor Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
Linker Restore "Move metadata linking after lazy global materialization/linking." 2015-11-06 17:50:53 +00:00
MC [AsmParser] Backends can parameterize ASM tokenization. 2015-11-09 00:31:07 +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 [PGO] Make indexed value profile data more compact 2015-11-10 00:24:45 +00:00
Support Combine ifdefs around dl_iterate_phdr in Unix/Signals.inc 2015-11-09 23:10:29 +00:00
TableGen [TblGen] ArrayRefize TGParser. No functional change intended. 2015-10-24 12:46:45 +00:00
Target Reapply "[ARM] Combine CMOV into BFI where possible" 2015-11-10 14:22:05 +00:00
Transforms Strip metadata when speculatively hoisting instructions 2015-11-10 14:10:31 +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