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a18d1734a0
llvm-mirror/lib
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Pete Cooper a18d1734a0 Use RValue refs in APInt add/sub methods. 
This adds versions of operator + and - which are optimized for the LHS/RHS of the
operator being RValue's.  When an RValue is available, we can use its storage space
instead of allocating new space.

On code such as ConstantRange which makes heavy use of APInt's over 64-bits in size,
this results in significant numbers of saved allocations.

Thanks to David Blaikie for all the review and most of the code here.

llvm-svn: 276470
2016-07-22 20:55:46 +00:00
..
Analysis [SCEV] Extract out a helper function; NFC 2016-07-22 20:47:55 +00:00
AsmParser Add writeonly IR attribute 2016-07-04 08:01:29 +00:00
Bitcode [ThinLTO] Address review comments from PGO indirect call promotion (NFC) 2016-07-18 18:31:50 +00:00
CodeGen GlobalISel: implement legalization pass, with just one transformation. 2016-07-22 20:03:43 +00:00
DebugInfo Make PDBFile store an msf::Layout. 2016-07-22 19:56:33 +00:00
ExecutionEngine [LLVM][MIPS] Fix createStubFunction to emit JR encoding based on Arch. 2016-07-15 12:56:37 +00:00
Fuzzer [libFuzzer] extend the messages printed by afl_driver 2016-07-19 23:18:28 +00:00
IR Invariant start/end intrinsics overloaded for address space 2016-07-22 17:49:40 +00:00
IRReader
LibDriver Object: Replace NewArchiveIterator with a simpler NewArchiveMember class. NFCI. 2016-06-29 22:27:42 +00:00
LineEditor
Linker IR: New representation for CFI and virtual call optimization pass metadata. 2016-06-24 21:21:32 +00:00
LTO Move legacy LTO interface headers to legacy/ directory. 2016-07-14 21:21:16 +00:00
MC [MC] Separate non-parsing operations from conditional chains. NFC. 2016-07-18 19:35:21 +00:00
Object [Support] Make ErrorAsOutParameter take an Error* rather than an Error&. 2016-07-22 16:11:25 +00:00
ObjectYAML BPF: Use official ELF e_machine value 2016-07-15 22:27:55 +00:00
Option
Passes [PM] Port BreakCriticalEdges to the new PM. 2016-07-22 18:04:25 +00:00
ProfileData [PGO] Make needsComdatForCounter() available (NFC) 2016-07-21 20:50:02 +00:00
Support Use RValue refs in APInt add/sub methods. 2016-07-22 20:55:46 +00:00
TableGen [TableGen] Autobrief-ize Record. NFC. 2016-07-14 14:53:14 +00:00
Target Fix include case. NFC. 2016-07-22 20:15:19 +00:00
Transforms Recommit - [DSE]Enhance shorthening MemIntrinsic based on OverlapIntervals 2016-07-22 18:27:24 +00:00
CMakeLists.txt
LLVMBuild.txt