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| author | Tobias Grosser <grosser@fim.uni-passau.de> | 2010-10-13 05:54:11 +0000 |
|---|---|---|
| committer | Tobias Grosser <grosser@fim.uni-passau.de> | 2010-10-13 05:54:11 +0000 |
| commit | c69bd733c02a4e0ca25f7a2d6b9b05168720d373 (patch) | |
| tree | 553ea2e0c3e2c8fa68eee5e065e9be169d9e7f80 /include/llvm/Analysis/RegionInfo.h | |
| parent | 4bcc0228dcc90385e90f22cef38b2614d3aa3cd1 (diff) | |
| download | llvm-c69bd733c02a4e0ca25f7a2d6b9b05168720d373.tar.gz llvm-c69bd733c02a4e0ca25f7a2d6b9b05168720d373.tar.bz2 llvm-c69bd733c02a4e0ca25f7a2d6b9b05168720d373.tar.xz | |
RegioInfo: Add getExpandedRegion().
getExpandedRegion() enables us to create non canonical regions. Those regions
can be used to define the largerst region, that fullfills a certain property.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116397 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Analysis/RegionInfo.h')
| -rw-r--r-- | include/llvm/Analysis/RegionInfo.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/Analysis/RegionInfo.h b/include/llvm/Analysis/RegionInfo.h index 1626abb36a..f982b9f9ff 100644 --- a/include/llvm/Analysis/RegionInfo.h +++ b/include/llvm/Analysis/RegionInfo.h @@ -292,6 +292,14 @@ public: /// @return The depth of the region. unsigned getDepth() const; + /// @brief Return a new (non canonical) region, that is obtained by joining + /// this region with its predecessors. + /// + /// @return A region also starting at getEntry(), but reaching to the next + /// basic block that forms with getEntry() a (non canonical) region. + /// NULL if such a basic block does not exist. + Region *getExpandedRegion() const; + /// @brief Is this a simple region? /// /// A region is simple if it has exactly one exit and one entry edge. |