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Zvi Rackover 51f0d64b9c InstSimplify: If divisor element is undef simplify to undef 
Summary:
If any vector divisor element is undef, we can arbitrarily choose it be
zero which would make the div/rem an undef value by definition.

Reviewers: spatel, reames

Reviewed By: spatel

Subscribers: magabari, llvm-commits

Differential Revision: https://reviews.llvm.org/D42485

llvm-svn: 323343
 		2018-01-24 17:22:00 +00:00
..
Analysis InstSimplify: If divisor element is undef simplify to undef 2018-01-24 17:22:00 +00:00
AsmParser [Metadata] Extend 'count' field of DISubrange to take a metadata node 2018-01-24 09:56:07 +00:00
BinaryFormat [NFC] Make magic number for DJB hash function customizable. 2018-01-24 16:53:14 +00:00
Bitcode [Metadata] Extend 'count' field of DISubrange to take a metadata node 2018-01-24 09:56:07 +00:00
CodeGen [globalisel] Introduce LegalityQuery to better encapsulate the legalizer decisions. NFC. 2018-01-24 17:17:46 +00:00
DebugInfo Rename DwarfAcceleratorTable to AppleAcceleratorTable. NFC 2018-01-22 13:17:23 +00:00
Demangle Silence a bunch of implicit fallthrough warnings 2017-12-19 22:05:25 +00:00
ExecutionEngine [ORC] Add orc::SymbolResolver, a Orc/Legacy API interop header, and an 2018-01-22 03:00:31 +00:00
FuzzMutate [llvm-opt-fuzzer] Add couple of popular passes 2018-01-24 09:57:17 +00:00
Fuzzer [libFuzzer] Delete llvm/lib/Fuzzer 2017-10-16 20:48:19 +00:00
IR [Metadata] Extend 'count' field of DISubrange to take a metadata node 2018-01-24 09:56:07 +00:00
IRReader Remove redundant includes from various places. 2017-12-13 21:31:03 +00:00
LTO Reverted 323321. 2018-01-24 14:48:49 +00:00
LineEditor
…
Linker Fix crash when linking metadata with ODR type uniquing 2018-01-09 18:32:53 +00:00
MC [WebAssembly] Remove "name" section of object wasm object files 2018-01-23 18:30:04 +00:00
Object [WebAssembly] Add minor helper functions to WasmObjectFile 2018-01-24 01:27:17 +00:00
ObjectYAML [WebAssembly] Add COMDAT support 2018-01-09 23:43:14 +00:00
Option [Option] For typo '-foo', suggest '--foo' 2018-01-09 19:38:04 +00:00
Passes Reverted 323321. 2018-01-24 14:48:49 +00:00
ProfileData Remove superfluous copies in sample profiling. 2017-12-28 18:10:41 +00:00
Support [WebAssembly] Switch to *-wasm as the default target triple. 2018-01-23 16:55:44 +00:00
TableGen [TblGen] Inline an (almost) trivial accessor. No functionality change. 2018-01-23 23:03:50 +00:00
Target [AArch64] Avoid unnecessary vector byte-swapping in big-endian 2018-01-24 14:13:47 +00:00
Testing Force #define GTEST_LANG_CXX11. 2017-10-27 21:12:28 +00:00
ToolDrivers [COFF] Keep the underscore on exported decorated stdcall functions in MSVC mode 2018-01-20 11:44:32 +00:00
Transforms Reverted 323321. 2018-01-24 14:48:49 +00:00
WindowsManifest Fix bug 34608 by moving private header out of public header. 2017-09-14 23:01:13 +00:00
XRay [XRay] Use optimistic logging model for FDR mode 2017-11-21 07:16:57 +00:00
CMakeLists.txt Moving libFuzzer from LLVM to compiler-rt. 2017-08-21 23:25:12 +00:00
LLVMBuild.txt Re-apply "Introduce FuzzMutate library" 2017-08-21 22:57:06 +00:00