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Craig Topper f73ff612ca [DAGCombiner] Add one use check to fold (not (and x, y)) -> (or (not x), (not y)) 
Summary:
If the and has an additional use we shouldn't invert it. That creates an additional instruction.

While there add a one use check to the transform above that looked similar.

Reviewers: spatel, RKSimon

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D43225

llvm-svn: 325019
 		2018-02-13 16:25:27 +00:00
..
Analysis [InstSimplify] allow exp/log simplifications with only 'reassoc' FMF 2018-02-12 23:51:23 +00:00
AsmParser [DebugInfo] Unify ChecksumKind and Checksum value in DIFile 2018-02-12 19:45:54 +00:00
BinaryFormat Add DWARF for discriminated unions 2018-02-06 23:45:59 +00:00
Bitcode [DebugInfo] Unify ChecksumKind and Checksum value in DIFile 2018-02-12 19:45:54 +00:00
CodeGen [DAGCombiner] Add one use check to fold (not (and x, y)) -> (or (not x), (not y)) 2018-02-13 16:25:27 +00:00
DebugInfo Revert "Rewrite the cached map used for locating the most precise DIE among inlined subroutines for a given address." 2018-02-13 01:52:30 +00:00
Demangle Silence a bunch of implicit fallthrough warnings 2017-12-19 22:05:25 +00:00
ExecutionEngine [ORC] Remove Layer handles from the layer concept. 2018-02-09 02:30:40 +00:00
FuzzMutate [llvm-opt-fuzzer] Avoid adding incorrect inputs to the fuzzer corpus 2018-02-05 11:05:47 +00:00
Fuzzer [libFuzzer] Delete llvm/lib/Fuzzer 2017-10-16 20:48:19 +00:00
IR [IR] Fix creating mutable versions of TBAA access tags 2018-02-13 14:44:25 +00:00
IRReader LLParser: add an argument for overriding data layout and do not check alloca addr space 2018-01-30 22:32:39 +00:00
LTO Revert "[ThinLTO] Add GraphTraits for FunctionSummaries" 2018-02-12 20:43:31 +00:00
LineEditor
…
Linker [IRMover] Add comment and fix test case 2018-01-25 08:35:52 +00:00
MC [WebAssembly] MC: Remove redundant struct types 2018-02-12 22:41:29 +00:00
Object [WebAssebmly] Report undefined symbols correctly in objdump 2018-02-09 20:21:50 +00:00
ObjectYAML CodeGen: support an extension to pass linker options on ELF 2018-01-30 16:29:29 +00:00
Option [Option] For typo '-foo', suggest '--foo' 2018-01-09 19:38:04 +00:00
Passes Another try to commit 323321 (aggressive instruction combine). 2018-01-25 12:06:32 +00:00
ProfileData Remove superfluous copies in sample profiling. 2017-12-28 18:10:41 +00:00
Support Make LLVM timer reprintable: that is, make more than one print action on the same timer feasible 2018-02-10 00:38:21 +00:00
TableGen [tablegen] Fixed few !foreach evaluation issues. 2018-02-09 18:37:55 +00:00
Target [X86] Add combine to shrink 64-bit ands when one input is an any_extend and the other input guarantees upper 32 bits are 0. 2018-02-13 16:25:25 +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 Revert r325001: [CallSiteSplitting] Support splitting of blocks with instrs before call. 2018-02-13 14:48:39 +00:00
WindowsManifest Fix bug 34608 by moving private header out of public header. 2017-09-14 23:01:13 +00:00
XRay [XRay] clarify error messages when parsing broken traces 2018-01-30 13:41:34 +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