llvm-svn: 99948

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.

llvm-svn: 99928

Teach simplify libcall to transform __strcpy_chk to __memcpy_chk to enable optimizations down stream.

llvm-svn: 99282

llvm-svn: 99224

llvm-svn: 98376

to unify the almost identical code in CodeGenPrepare and InstCombineCalls.

llvm-svn: 98338

stpcpy is so similar to strcpy, it doesn't deserve a complete copy of the __strcpy_chk -> strcpy code.

llvm-svn: 98284

llvm-svn: 98274

llvm-svn: 98260

llvm-svn: 98219

can be used in more places.  Add an argument for the TargetData that
most of them need. Update for the getInt8PtrTy() change.  Should be
no functionality change.

llvm-svn: 97844