[llvm-commits] [llvm] r99928 - in /llvm/trunk: include/llvm/ include/llvm/CodeGen/ include/llvm/Support/ include/llvm/Target/ include/llvm/Transforms/Utils/ lib/CodeGen/SelectionDAG/ lib/Target/ARM/ lib/Target/PowerPC/ lib/Target/X86/ lib/Target/XCore/ lib/Transforms/InstCombine/ lib/Transforms/Scalar/ lib/Transforms/Utils/ lib/VMCore/ test/Analysis/BasicAA/ test/Transforms/InstCombine/ test/Transforms/MemCpyOpt/ test/Transforms/SimplifyLibCalls/ test/Verifier/

[Duncan Sands]

Hi Mon Ping,

> Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
> e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) ->  llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
> A update of langref will occur in a subsequent checkin.

I'm trying to imagine situations in which a volatile mem* call is useful, but I
didn't come up with anything very convincing yet.  Can you please explain what
you have in mind.

Ciao,

Duncan.

PS: It looks like you forgot to document the new intrinsics.