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5 Commits

Author SHA1 Message Date
Duncan Sands
6212d312e7 GCC warns about a comparison between signed and unsigned values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151243 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-23 08:23:53 +00:00
Andrew Trick
81a682a4c0 PostRASched: Convert physreg def/use tracking to Jakob's SparseSet. 
Added array subscript to SparseSet for convenience.
Slight reorg to make it easier to manage the def/use sets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151228 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-23 01:52:38 +00:00
Jakob Stoklund Olesen
a3bf915888 Fix typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151163 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 16:01:54 +00:00
NAKAMURA Takumi
f3b06a9382 ADT/SparseSet.h: Fix up header dependencies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151114 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 01:19:35 +00:00
Jakob Stoklund Olesen
62588622d4 Add a Briggs and Torczon sparse set implementation. 
For objects that can be identified by small unsigned keys, SparseSet
provides constant time clear() and fast deterministic iteration. Insert,
erase, and find operations are typically faster than hash tables.

SparseSet is useful for keeping information about physical registers,
virtual registers, or numbered basic blocks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151110 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-22 00:56:08 +00:00