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Dan Gohman 584fedf188 Teach two-address lowering how to unfold a load to open up commuting 
opportunities. For example, this lets it emit this:

   movq (%rax), %rcx
   addq %rdx, %rcx

instead of this:

   movq %rdx, %rcx
   addq (%rax), %rcx

in the case where %rdx has subsequent uses. It's the same number
of instructions, and usually the same encoding size on x86, but
it appears faster, and in general, it may allow better scheduling
for the load.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106493 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21 22:17:20 +00:00
..
Analysis Fix ScalarEvolution's "exhaustive" trip count evaluation code to avoid 2010-06-19 14:17:24 +00:00
Archive
Assembler
Bindings/Ocaml
Bitcode
BugPoint Fix this test to work under lit. 2010-06-07 20:58:11 +00:00
CodeGen Teach two-address lowering how to unfold a load to open up commuting 2010-06-21 22:17:20 +00:00
DebugInfo Be specific. Use FileCheck. 2010-06-16 19:39:45 +00:00
ExecutionEngine
Feature
FrontendAda
FrontendC Testcase for llvm-gcc 106225. 2010-06-17 17:43:14 +00:00
FrontendC++ test case for r106438. 2010-06-21 18:37:23 +00:00
FrontendFortran
FrontendObjC
FrontendObjC++
Integer
lib
Linker
LLVMC
MC Refactor aliased packed logical instructions, also add 2010-06-19 02:44:01 +00:00
Other Don't write a file named "&1". 2010-06-18 01:49:17 +00:00
Scripts tests: Run macho-dump with binary unbuffered streams on Windows, I can't find a Python 2.6 way to change stdin to binary. 2010-06-12 17:05:28 +00:00
TableGen Teach tablegen how to inherit from classes in 'defm' definitions. 2010-06-18 19:53:41 +00:00
Transforms Disable indvars on loops when LoopSimplify form is not available. 2010-06-18 01:35:11 +00:00
Unit
Verifier
CMakeLists.txt tests: Propogate LLVM_SRC_ROOT and PYTHON_EXECUTABLE environment variables to tests. 2010-06-12 16:21:19 +00:00
lit.cfg tests: Propogate LLVM_SRC_ROOT and PYTHON_EXECUTABLE environment variables to tests. 2010-06-12 16:21:19 +00:00
lit.site.cfg.in tests: Propogate LLVM_SRC_ROOT and PYTHON_EXECUTABLE environment variables to tests. 2010-06-12 16:21:19 +00:00
Makefile Add more virtual memory to lit. The python in x86-64 fedora 13 needs it to run 2010-06-08 16:17:58 +00:00
Makefile.tests
site.exp.in
TestRunner.sh