Try removing some of the parameters and do something simple like this:
oclvanitygen -d 0 1robert
And then start adding in the parameters, find out which one is causing the problem.
i get this
C:\Users\admin\Desktop\vanitygen-0.22-win>oclvanitygen.exe -p 0 -d 2 1robert
Difficulty: 888446610538
[504.62 Kkey/s][total 2066432][Prob 0.0%][50% in 14.1d] ^
C
C:\Users\admin\Desktop\vanitygen-0.22-win>oclvanitygen -d 0 1robert
Difficulty: 888446610538
Compiling kernel, can take minutes...LLVM ERROR: Cannot select: 0x5a6f210: i8 =
setcc 0x5a66bf8, 0x5a6fa08, 0x5a72118 [ID=80]
0x5a66bf8: i32 = AMDILISD::ADD 0x5a6fa08, 0x5a6f6d8 [ID=63]
0x5a6fa08: i32,ch = CopyFromReg 0x4a60028, 0x5a6f870 [ORD=179] [ID=51]
0x5a6f870: i32 = Register %vreg40 [ORD=179] [ID=14]
0x5a6f6d8: i32,ch = load 0x4a60028, 0x5a6f980, 0x5a6fcc8<LD4[getelementptr i
nbounds ([8 x i32] addrspace(2)* @modulus, i32 0, i32 7)]> [ORD=178] [ID=55]
0x5a6f980: i32 = Constant<28> [ID=39]
0x5a6fcc8: i32 = undef [ORD=150] [ID=2]
0x5a6fa08: i32,ch = CopyFromReg 0x4a60028, 0x5a6f870 [ORD=179] [ID=51]
0x5a6f870: i32 = Register %vreg40 [ORD=179] [ID=14]