| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame] | 1 | ; Test that the LLVMMemSetOptimizer works correctly |
| 2 | ; RUN: llvm-upgrade < %s | llvm-as | opt -simplify-libcalls | llvm-dis | \ |
| 3 | ; RUN: not grep {call.*llvm.memset} |
| 4 | ; END. |
| 5 | |
| 6 | declare void %llvm.memset.i32(sbyte*,ubyte,uint,uint) |
| 7 | |
| 8 | implementation ; Functions: |
| 9 | |
| 10 | int %main () { |
| 11 | %target = alloca [1024 x sbyte] |
| 12 | %target_p = getelementptr [1024 x sbyte]* %target, int 0, int 0 |
| 13 | call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 0, uint 1) |
| 14 | call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 1, uint 1) |
| 15 | call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 2, uint 2) |
| 16 | call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 4, uint 4) |
| 17 | call void %llvm.memset.i32(sbyte* %target_p, ubyte 1, uint 8, uint 8) |
| 18 | ret int 0 |
| 19 | } |