Alkis Evlogimenos
90aeecae42
Add TwoAddressInstructionPass to handle instructions that have two or
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more operands and the two first operands are constrained to be the
same. The pass takes an instruction of the form:
a = b op c
and transforms it into:
a = b
a = a op c
and also preserves live variables.
llvm-svn: 10512
2003-12-18 13:06:04 +00:00
Alkis Evlogimenos
f84f86137b
Ignore non-allocatable physical registers in live interval analysis.
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llvm-svn: 10449
2003-12-13 11:11:02 +00:00
Brian Gaeke
d25f86d683
Put all LLVM code into the llvm namespace, as per bug 109.
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llvm-svn: 9903
2003-11-11 22:41:34 +00:00
John Criswell
16c6cda9d5
Added LLVM copyright header (for lack of a better term).
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llvm-svn: 9304
2003-10-20 20:19:47 +00:00
Chris Lattner
6c12776232
Remove a ton of extraneous #includes
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llvm-svn: 6842
2003-06-22 03:08:05 +00:00
John Criswell
4781723de6
Included assert.h so that the code compiles under newer versions of GCC.
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llvm-svn: 6682
2003-06-11 14:01:36 +00:00
Chris Lattner
afc685b278
Beef up interface, move getVarInfo out-of-line.
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llvm-svn: 6114
2003-05-12 14:23:04 +00:00
Chris Lattner
d06c47110a
Expand API for updating live var info.
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Expose iterators, not const-iterators.
Rename method that was VERY misleading
llvm-svn: 6108
2003-05-12 03:51:30 +00:00
Chris Lattner
d2fae9f27c
Add comments, add a vector to keep track of which registers are allocatable
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llvm-svn: 6014
2003-05-07 20:07:58 +00:00
Chris Lattner
fb1bfc8cde
Add new files
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llvm-svn: 5259
2003-01-13 01:01:31 +00:00
