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Logan Chien 0a43abc9f8 ARM: Fix cttz expansion on vector types. 
The 64/128-bit vector types are legal if NEON instructions are
available.  However, there was no matching patterns for @llvm.cttz.*()
intrinsics and result in fatal error.

This commit fixes the problem by lowering cttz to:
a. ctpop((x & -x) - 1)
b. width - ctlz(x & -x) - 1

llvm-svn: 242037
 		2015-07-13 15:37:30 +00:00
..
Analysis Cleanup after r241809 - remove uncessary call to std::sort 2015-07-13 14:48:24 +00:00
AsmParser Add argmemonly attribute. 2015-07-11 10:30:36 +00:00
Bitcode Add argmemonly attribute. 2015-07-11 10:30:36 +00:00
CodeGen Print the visibility of available_externally functions. 2015-07-13 13:55:18 +00:00
DebugInfo Return ErrorOr from getSymbolAddress. 2015-07-03 18:19:00 +00:00
ExecutionEngine Fix the -DBUILD_SHARED_LIBS=ON build. 2015-07-07 17:48:00 +00:00
Fuzzer
…
IR Add argmemonly attribute. 2015-07-11 10:30:36 +00:00
IRReader Return a unique_ptr from getLazyBitcodeModule and parseBitcodeFile. NFC. 2015-06-16 22:27:55 +00:00
LTO LTO: expose LTO_SYMBOL_ALIAS, which indicates that the symbol is an alias. 2015-07-04 03:42:35 +00:00
LibDriver Start adding support for writing archives in BSD format. 2015-07-08 20:47:32 +00:00
LineEditor
…
Linker Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MC MC: Only allow changing feature bits in MCSubtargetInfo 2015-07-10 22:52:15 +00:00
Object llvm-ar: Pad the symbol table to 4 bytes. 2015-07-09 19:48:06 +00:00
Option [Option] Plug a leak when move-assigning an InputArgList. 2015-06-23 15:28:10 +00:00
Passes
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ProfileData Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
Support Add getSizeInBits function to the APFloat class 2015-07-09 10:13:39 +00:00
TableGen [TableGen] Change a couple methods to return an ArrayRef instead of a const std::vector reference. NFC 2015-07-06 06:23:01 +00:00
Target ARM: Fix cttz expansion on vector types. 2015-07-13 15:37:30 +00:00
Transforms Remove unused variable. 2015-07-13 14:43:33 +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