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llvm-6502/lib
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Mayur Pandey ecdb0ab90f InstCombine: ((A & ~B) ^ (~A & B)) to A ^ B 
Proof using CVC3 follows:
$ cat t.cvc
A, B : BITVECTOR(32);
QUERY BVXOR((A & ~B),(~A & B)) = BVXOR(A,B);
$ cvc3 t.cvc
Valid.

Differential Revision: http://reviews.llvm.org/D4898


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215974 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-19 08:19:19 +00:00
..
Analysis Answer to Philip Reames comments 2014-08-18 22:18:14 +00:00
AsmParser LLParser: Handle BlockAddresses on-the-fly 2014-08-19 00:13:19 +00:00
Bitcode BitcodeReader: Only create one basic block for each blockaddress 2014-08-16 01:54:37 +00:00
CodeGen Teach the AArch64 backend to handle f16 2014-08-18 14:22:39 +00:00
DebugInfo Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
ExecutionEngine Make it explicit that ExecutionEngine takes ownership of the modules. 2014-08-19 04:04:25 +00:00
IR IR: Reduce RAUW traffic in ConstantVector 2014-08-19 02:24:46 +00:00
IRReader Pass a std::uinque_ptr to ParseAssembly to make the ownership explicit. NFC. 2014-08-17 21:36:47 +00:00
LineEditor
Linker Set comdats when lazily linking functions. 2014-08-15 20:17:08 +00:00
LTO Revert "Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size." 2014-08-18 00:24:38 +00:00
MC TableGen: allow use of uint64_t for available features mask. 2014-08-18 11:49:42 +00:00
Object Make llvm-objdump handle both arm and thumb disassembly from the same Mach-O 2014-08-18 20:21:02 +00:00
Option [Option] Support MultiArg in --help 2014-08-15 21:35:07 +00:00
ProfileData Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
Support Convert an ownership comment with std::uinque_ptr. 2014-08-17 22:20:33 +00:00
TableGen Canonicalize header guards into a common format. 2014-08-13 16:26:38 +00:00
Target [X86, X87 stackifier] Do not mark an operand of a debug instruction as kill. 2014-08-19 02:09:57 +00:00
Transforms InstCombine: ((A & ~B) ^ (~A & B)) to A ^ B 2014-08-19 08:19:19 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00