Hal Finkel 139bfee84c [PowerPC] Enable late partial unrolling on the POWER7 ... The P7 benefits from not have really-small loops so that we either have multiple dispatch groups in the loop and/or the ability to form more-full dispatch groups during scheduling. Setting the partial unrolling threshold to 44 seems good, empirically, for the P7. Compared to using no late partial unrolling, this yields the following test-suite speedups: SingleSource/Benchmarks/Adobe-C++/simple_types_constant_folding -66.3253% +/- 24.1975% SingleSource/Benchmarks/Misc-C++/oopack_v1p8 -44.0169% +/- 29.4881% SingleSource/Benchmarks/Misc/pi -27.8351% +/- 12.2712% SingleSource/Benchmarks/Stanford/Bubblesort -30.9898% +/- 22.4647% I've speculatively added a similar setting for the P8. Also, I've noticed that the unroller does not quite calculate the unrolling factor correctly for really tiny loops because it neglects to account for the fact that not every loop body replicant contains an ending branch and counter increment. I'll fix that later. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225522 91177308-0d34-0410-b5e6-96231b3b80d8		2015-01-09 15:51:16 +00:00
..
Analysis	[REFACTOR] Push logic from MemDepPrinter into getNonLocalPointerDependency	2015-01-09 00:26:45 +00:00
AsmParser	IR: Add 'distinct' MDNodes to bitcode and assembly	2015-01-08 22:38:29 +00:00
Bitcode	Bitcode: Share logic for last instruction, NFC	2015-01-09 02:51:45 +00:00
CodeGen	RegisterCoalescer: Fix removeCopyByCommutingDef with subreg liveness	2015-01-09 03:01:31 +00:00
DebugInfo	Implement a very basic colored syntax highlighting for llvm-dwarfdump.	2015-01-06 16:50:25 +00:00
ExecutionEngine	RTDyldMemoryManager.cpp: Make the reference to __morestack weak.	2014-12-30 22:52:33 +00:00
IR	Cleaup ValueHandle to no longer keep a PointerIntPair for the Value*.	2015-01-09 00:48:47 +00:00
IRReader
LineEditor
Linker	Linker: Don't use MDNode::replaceOperandWith()	2015-01-07 21:32:27 +00:00
LTO
MC	Revert r224935 "Refactor duplicated code. No intended functionality change."	2015-01-06 23:04:36 +00:00
Object	Don't loop endlessly for MachO files with 0 ncmds	2015-01-06 17:08:26 +00:00
Option
ProfileData
Support	Triple: Add amdgcn triple	2015-01-06 18:00:00 +00:00
TableGen
Target	[PowerPC] Enable late partial unrolling on the POWER7	2015-01-09 15:51:16 +00:00
Transforms	Assumption that "VectorizedValue" will always be an Instruction is not correct.	2015-01-09 10:23:48 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile