| Chris Lattner | eff5f51 | 2004-02-28 05:28:42 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -instcombine | llvm-dis |
| 2 | |
| 3 | declare void %llvm.memmove(sbyte*, sbyte*, uint, uint) |
| 4 | declare void %llvm.memcpy(sbyte*, sbyte*, uint, uint) |
| 5 | declare void %llvm.memset(sbyte*, ubyte, uint, uint) |
| 6 | |
| 7 | %X = global sbyte 0 |
| 8 | %Y = global sbyte 12 |
| 9 | |
| 10 | void %zero_byte_test() { |
| 11 | ; These process zero bytes, so they are a noop. |
| 12 | call void %llvm.memmove(sbyte* %X, sbyte* %Y, uint 0, uint 100) |
| 13 | call void %llvm.memcpy(sbyte* %X, sbyte* %Y, uint 0, uint 100) |
| 14 | call void %llvm.memset(sbyte* %X, ubyte 123, uint 0, uint 100) |
| 15 | ret void |
| 16 | } |
| 17 | |