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a27feb2b3d
llvm-mirror/lib
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Daniel Jasper a27feb2b3d [MachineLICM] First steps of sinking GEPs near calls. 
Specifically, if there are copy-like instructions in the loop header
they are moved into the loop close to their uses. This reduces the live
intervals of the values and can avoid register spills.

This is working towards a fix for http://llvm.org/PR22230.
Review: http://reviews.llvm.org/D7259

Next steps:
- Find a better cost model (which non-copy instructions should be sunk?)
- Make this dependent on register pressure

llvm-svn: 232262
2015-03-14 10:58:38 +00:00
..
Analysis [SCEV] Fix PR22856. 2015-03-13 18:31:19 +00:00
AsmParser [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
Bitcode Be lazy about loading metadata in IRObjectFile. 2015-03-13 21:54:20 +00:00
CodeGen [MachineLICM] First steps of sinking GEPs near calls. 2015-03-14 10:58:38 +00:00
DebugInfo DWARFFormValue: Add getAsSignedConstant method. 2015-03-04 22:07:41 +00:00
ExecutionEngine [Orc][MCJIT][RuntimeDyld] Re-apply r231726 and r231724 with fix suggested by 2015-03-11 00:43:26 +00:00
Fuzzer [sanitizer/coverage] Add AFL-style coverage counters (search heuristic for fuzzing). 2015-03-03 23:27:02 +00:00
IR [opaque pointer type] Start migrating GEP creation to explicitly specify the pointee type 2015-03-14 01:53:18 +00:00
IRReader
LineEditor
Linker DataLayout is mandatory, update the API to reflect it with references. 2015-03-10 02:37:25 +00:00
LTO Add a parameter for getLazyBitcodeModule to lazily load Metadata. 2015-03-13 19:24:30 +00:00
MC Recommit r232027 with PR22883 fixed: Add infrastructure for support of multiple memory constraints. 2015-03-13 12:45:09 +00:00
Object Be lazy about loading metadata in IRObjectFile. 2015-03-13 21:54:20 +00:00
Option Remove explicit no-op dtor in favor of the implicit dtor so as not to disable/deprecate the copy operations. 2015-03-03 19:53:02 +00:00
Passes [PM] Fixup for r231556 where I missed a dependency on intrinsics 2015-03-07 09:08:20 +00:00
ProfileData InstrProf: Teach llvm-cov to handle universal binaries when given -arch 2015-03-11 02:30:51 +00:00
Support CommandLine: Replace cold std::sort with array_pod_sort. 2015-03-14 00:20:13 +00:00
TableGen
Target [mips] Remove trivial header for the MipsModuleISelDAGToDAG pass. NFC. 2015-03-14 09:20:52 +00:00
Transforms [opaque pointer type] Start migrating GEP creation to explicitly specify the pointee type 2015-03-14 01:53:18 +00:00
CMakeLists.txt [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
LLVMBuild.txt [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00
Makefile [PM] Create a separate library for high-level pass management code. 2015-03-07 09:02:36 +00:00