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154 Commits

Author SHA1 Message Date
Alkis Evlogimenos
e3fcabe068 Fix bugs found with recent addition of assertions in 
MRegisterInfo::is{Physical,Virtual}Register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11849 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 23:21:52 +00:00
Alkis Evlogimenos
4d0d864be3 Add DenseMap template and actually use it for for mapping virtual regs 
to objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11840 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-25 21:55:45 +00:00
Alkis Evlogimenos
0d6c5b6489 Move machine code rewriter and spiller outside the register 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11798 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-24 08:58:30 +00:00
Alkis Evlogimenos
34d9bc9f16 Refactor VirtRegMap out of RegAllocLinearScan as the first part of bug 
251 (providing a generic machine code rewriter/spiller).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11780 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-02-23 23:08:11 +00:00