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Daniel Jasper 439cc2c5de [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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232262 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-14 10:58:38 +00:00
..
Analysis [SCEV] Fix PR22856. 2015-03-13 18:31:19 +00:00
Assembler AsmWriter: Write alloca array size explicitly (and -instcombine fixup) 2015-03-13 19:30:44 +00:00
Bindings DebugInfo: Move new hierarchy into place 2015-03-03 17:24:31 +00:00
Bitcode [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
BugPoint DebugInfo: Move new hierarchy into place 2015-03-03 17:24:31 +00:00
CodeGen [MachineLICM] First steps of sinking GEPs near calls. 2015-03-14 10:58:38 +00:00
DebugInfo Use add32ri8 and friends on fast isel. 2015-03-13 22:18:18 +00:00
ExecutionEngine [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
Feature [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
FileCheck FileCheck: Add CHECK-SAME 2015-02-26 04:53:00 +00:00
Instrumentation Add a bunch of CHECK missing colons in tests. NFC. 2015-03-14 01:43:57 +00:00
Integer [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
JitListener DebugInfo: Move new hierarchy into place 2015-03-03 17:24:31 +00:00
Linker [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
LTO [opaque pointer type] Add textual IR support for explicit type parameter to load instruction 2015-02-27 21:17:42 +00:00
MC Add a bunch of CHECK missing colons in tests. NFC. 2015-03-14 01:43:57 +00:00
Object [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
Other [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
SymbolRewriter
TableGen
tools [dsymutil] Generate debug_aranges section. 2015-03-14 03:46:51 +00:00
Transforms Add a bunch of CHECK missing colons in tests. NFC. 2015-03-14 01:43:57 +00:00
Unit
Verifier [opaque pointer type] Add textual IR support for explicit type parameter to gep operator 2015-03-13 18:20:45 +00:00
YAMLParser
.clang-format
CMakeLists.txt
lit.cfg Change SystemZ large tests to use the existing long_tests property 2015-03-02 19:34:11 +00:00
lit.site.cfg.in
Makefile
Makefile.tests
TestRunner.sh