Chris Lattner
20647a55bf
Add RegisterDefIsDead to correspond to KillsRegister, mark both const
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22987 91177308-0d34-0410-b5e6-96231b3b80d8
2005-08-23 22:43:24 +00:00
Misha Brukman
00876a2808
Convert tabs to spaces
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21438 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-22 03:46:24 +00:00
Misha Brukman
ea61c35872
Remove trailing whitespace
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21409 91177308-0d34-0410-b5e6-96231b3b80d8
2005-04-21 20:39:54 +00:00
Chris Lattner
801abe663f
Add a useful accessor
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19209 91177308-0d34-0410-b5e6-96231b3b80d8
2005-01-01 15:58:55 +00:00
Alkis Evlogimenos
22a2f6d5b0
Use newly added API in MRegisterInfo and don't expose the allocatable
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register set anymore. Its users now use the MRegisterInfo API.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16061 91177308-0d34-0410-b5e6-96231b3b80d8
2004-08-26 22:23:32 +00:00
Chris Lattner
74de8b1b26
There is no need to store the MBB along with the MI any more, we can now
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ask instructions for their parent.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14998 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-19 07:04:55 +00:00
Chris Lattner
472405e0dc
Simplify the interface to LiveVariables::addVirtualRegister(Killed|Dead)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14997 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-19 06:55:21 +00:00
Chris Lattner
73d4adfb1e
Remove the DefBlock element of VarInfo. DefBlock is always DefInst->getParent()
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14996 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-19 06:26:50 +00:00
Chris Lattner
61e4cb3605
Now that we have happy mappings from MBBs->numbers, use them instead of keeping
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a LV private map
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14522 91177308-0d34-0410-b5e6-96231b3b80d8
2004-07-01 06:14:57 +00:00
Chris Lattner
96362e9cac
Stop LiveVariables from using BasicBlocks as part of the mapping, instead
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use MachineBasicBlocks.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13300 91177308-0d34-0410-b5e6-96231b3b80d8
2004-05-01 21:23:35 +00:00
Chris Lattner
da8ab2ea45
ADd a method for when an instruction moves
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11626 91177308-0d34-0410-b5e6-96231b3b80d8
2004-02-19 18:28:22 +00:00
Chris Lattner
43549f710a
Add a new lazily constructed mapping from Idx's the MBB they represent
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11017 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-30 22:08:09 +00:00
Alkis Evlogimenos
b08bdc4a16
Make LiveVariables::HandlePhysRegUse and
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LiveVariables::HandlePhysRegDef private they use information that is
not in memory when LiveVariables finishes the analysis.
Also update the TwoAddressInstructionPass to not use this interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10755 91177308-0d34-0410-b5e6-96231b3b80d8
2004-01-11 09:18:45 +00:00
Alkis Evlogimenos
71499ded4d
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10512 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-18 13:06:04 +00:00
Alkis Evlogimenos
4c214d2bf0
Ignore non-allocatable physical registers in live interval analysis.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10449 91177308-0d34-0410-b5e6-96231b3b80d8
2003-12-13 11:11:02 +00:00
Brian Gaeke
d0fde30ce8
Put all LLVM code into the llvm namespace, as per bug 109.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9903 91177308-0d34-0410-b5e6-96231b3b80d8
2003-11-11 22:41:34 +00:00
John Criswell
6fbcc26f14
Added LLVM copyright header (for lack of a better term).
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9304 91177308-0d34-0410-b5e6-96231b3b80d8
2003-10-20 20:19:47 +00:00
Chris Lattner
3889a2cb05
Remove a ton of extraneous #includes
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6842 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-22 03:08:05 +00:00
John Criswell
be583b914d
Included assert.h so that the code compiles under newer versions of GCC.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6682 91177308-0d34-0410-b5e6-96231b3b80d8
2003-06-11 14:01:36 +00:00
Chris Lattner
bc4a15f6fa
Beef up interface, move getVarInfo out-of-line.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6114 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-12 14:23:04 +00:00
Chris Lattner
9c341366a7
Expand API for updating live var info.
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Expose iterators, not const-iterators.
Rename method that was VERY misleading
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6108 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-12 03:51:30 +00:00
Chris Lattner
8a88563a32
Add comments, add a vector to keep track of which registers are allocatable
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6014 91177308-0d34-0410-b5e6-96231b3b80d8
2003-05-07 20:07:58 +00:00
Chris Lattner
db00065fc8
Add new files
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5259 91177308-0d34-0410-b5e6-96231b3b80d8
2003-01-13 01:01:31 +00:00