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* Remove FreeInst.Victor Hernandez2009-10-261-3/+4
| | | | | | | Remove LowerAllocations pass. Update some more passes to treate free calls just like they were treating FreeInst. llvm-svn: 85176
* Push LLVMContexts through the IntegerType APIs.Owen Anderson2009-08-131-1/+1
| | | | llvm-svn: 78948
* Revert r70876 and add a testcase (@c7) showing the problem:Duncan Sands2009-05-071-47/+30
| | | | | | | | | | | bits captured, but the pointer marked nocapture. In fact I now recall that this problem is why only readnone functions returning void were considered before! However keep a small fix that was also in r70876: a readnone function returning void can result in bits being captured if it unwinds, so test for this. llvm-svn: 71168
* Teach capture tracking that readonly functions canDuncan Sands2009-05-041-28/+47
| | | | | | | | only capture their arguments by returning them or throwing an exception or not based on the argument value. Patch essentially by Frits van Bommel. llvm-svn: 70876
* BasicAliasAnalysis and FunctionAttrs were bothDuncan Sands2009-01-181-0/+110
doing very similar pointer capture analysis. Factor out the common logic. The new version is from FunctionAttrs since it does a better job than the version in BasicAliasAnalysis llvm-svn: 62461
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