Displaying 3 results from an estimated 3 matches for "001fb5c9".
2012 Jan 28
0
[LLVMdev] tbaa differences in llvm 3.0
On Jan 27, 2012, at 4:15 PM, Maurice Marks wrote:
> Our application generates IR that is used to generate X86_64 code for a Jit. We noticed that code generated with llvm 3.0 is worse in some circumstances that it was with 2.9. I traced the differences to alias analysis differences. Our IR references data structures that have lots of derived pointers and we use extensive tbaa metadata to
2012 Jan 28
2
[LLVMdev] tbaa differences in llvm 3.0
...gt; Possibly this is causing the loss of precision you're seeing.
>
> Dan
>
>
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2012 Jan 28
3
[LLVMdev] tbaa differences in llvm 3.0
Our application generates IR that is used to generate X86_64 code for a
Jit. We noticed that code generated with llvm 3.0 is worse in some
circumstances that it was with 2.9. I traced the differences to alias
analysis differences. Our IR references data structures that have lots of
derived pointers and we use extensive tbaa metadata to indicate which
pointers dont alias. Some of this seemed to be