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path: root/llvm/lib/CodeGen/VirtRegMap.cpp
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* Spill explicit physical register defs as well.Alkis Evlogimenos2004-03-091-3/+11
| | | | llvm-svn: 12260
* As I wrote in the docs, simple is the default spiller :-)Alkis Evlogimenos2004-03-061-2/+1
| | | | llvm-svn: 12189
* Add simple spiller.Alkis Evlogimenos2004-03-061-9/+72
| | | | llvm-svn: 12188
* Add a spiller option to llc. A simple spiller will come soon. When we get ↵Alkis Evlogimenos2004-03-011-43/+62
| | | | | | CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now. llvm-svn: 12062
* Add the long awaited memory operand folding support for linear scanAlkis Evlogimenos2004-03-011-6/+33
| | | | llvm-svn: 12058
* Make spiller push stores right after the definition of a register soAlkis Evlogimenos2004-02-271-8/+33
| | | | | | that they are as far away from the loads as possible. llvm-svn: 11895
* Clear maps right after basic block is processed.Alkis Evlogimenos2004-02-261-4/+4
| | | | llvm-svn: 11892
* Fix bugs found with recent addition of assertions inAlkis Evlogimenos2004-02-251-2/+2
| | | | | | MRegisterInfo::is{Physical,Virtual}Register. llvm-svn: 11849
* Add DenseMap template and actually use it for for mapping virtual regsAlkis Evlogimenos2004-02-251-6/+8
| | | | | | to objects. llvm-svn: 11840
* Move machine code rewriter and spiller outside the registerAlkis Evlogimenos2004-02-241-2/+159
| | | | | | | | | | | allocator. The implementation is completely rewritten and now employs several optimizations not exercised before. For example for 164.gzip we have 997 loads and 699 stores vs the 1221 loads and 880 stores we have before. llvm-svn: 11798
* Refactor VirtRegMap out of RegAllocLinearScan as the first part of bugAlkis Evlogimenos2004-02-231-0/+55
251 (providing a generic machine code rewriter/spiller). llvm-svn: 11780
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