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...eRepl. In fact, there is NO way to update PhiNode, because all the x are from ONE node, codeRepl. So the function ExtractCodeRegion doesn't work in this example. My solution for this is before extracting BB1 and BB2, I split the PHINode in BB3 into another basic block BB1 BB2 \ / PhiBB | BB And extract BB1, BB2 and PhiBB. If you have any ideas or if you think this will not work, please let me know. Thanks. Vu On Tue, Jan 25, 2011 at 12:33 AM, Vu Le <vmle at ucdavis.edu> wrote: > Hi all, > I have problem with ExtractCodeRegion (CodeExtractor.cpp). >...

...PhiNode, > because all the x are from ONE node, codeRepl. > So the function ExtractCodeRegion doesn't work in this example. > > My solution for this is before extracting BB1 and BB2, I split the PHINode > in BB3 into another basic block > BB1 BB2 > \ / > PhiBB > | > BB > And extract BB1, BB2 and PhiBB. > If you have any ideas or if you think this will not work, please let me > know. > Thanks. > Vu Hi Vu, I believe this is the right approach. If I am right and you work on the RegionInfo pass I believe what you want i...

Hi all, I have problem with ExtractCodeRegion (CodeExtractor.cpp). My original program is as follows. bb: ... %tmp.15 = load %struct.MYSQL_ROWS** %3, align 4 ... bb1: ... %tmp.1 = load %struct.MYSQL_ROWS** %6, align 4 ... bb4: ; preds = %bb1, %bb, %entry %tmp.0 = phi %struct.MYSQL_ROWS* [ null, %entry ], [ %tmp.15, %bb ], [ %tmp.1, %bb1 ]

...the x are from ONE node, codeRepl. >> So the function ExtractCodeRegion doesn't work in this example. >> >> My solution for this is before extracting BB1 and BB2, I split the PHINode >> in BB3 into another basic block >> BB1 BB2 >> \ / >> PhiBB >> | >> BB >> And extract BB1, BB2 and PhiBB. >> If you have any ideas or if you think this will not work, please let me >> know. >> Thanks. >> Vu >> > > Hi Vu, > > I believe this is the right approach. If I am right and you w...