search for: pr1782

Displaying 3 results from an estimated 3 matches for "pr1782".

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2007 Nov 13
2
[LLVMdev] BasicAliasAnalysis and out-of-bound GEP indices
Hi! While investigating into the PR1782 I spent some time analyzing BasicAliasAnalysis.cpp. While the mentioned problem should be fixed now (I hope), I have discovered some other possibilities for a bug to occur. In the case of checking for aliasing of two pointer values, where at least one of them is a GEP instruction with out-of-bound...
2007 Nov 13
0
[LLVMdev] BasicAliasAnalysis and out-of-bound GEP indices
...whatever makes optimization easiest." If the two do actually happen to alias, well, it's the programmer's fault anyways, because they were doing something undefined! --Owen On Nov 13, 2007, at 4:13 PM, Wojciech Matyjewicz wrote: > Hi! > > While investigating into the PR1782 I spent some time analyzing > BasicAliasAnalysis.cpp. While the mentioned problem should be fixed > now > (I hope), I have discovered some other possibilities for a bug to > occur. > > In the case of checking for aliasing of two pointer values, where at > least one of them...
2007 Nov 15
2
[LLVMdev] BasicAliasAnalysis and out-of-bound GEP indices
...; If the two do actually happen to alias, > well, it's the programmer's fault anyways, because they were doing > something undefined! > > --Owen > > On Nov 13, 2007, at 4:13 PM, Wojciech Matyjewicz wrote: > > > Hi! > > > > While investigating into the PR1782 I spent some time analyzing > > BasicAliasAnalysis.cpp. While the mentioned problem should be fixed > > now > > (I hope), I have discovered some other possibilities for a bug to > > occur. > > > > In the case of checking for aliasing of two pointer values, where...