Andreas Bolka | 5771ed9 | 2009-06-30 02:12:10 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | opt -disable-output -analyze -lda > %t |
| 2 | ; RUN: grep {instructions: 2} %t | count 1 |
| 3 | ; RUN: grep {0,1: dependent} %t | count 1 |
| 4 | |
| 5 | ; x[5] = x[6] // with x being a pointer passed as argument |
| 6 | |
| 7 | define void @foo(i32* nocapture %xptr) nounwind { |
| 8 | entry: |
| 9 | %x.ld.addr = getelementptr i32* %xptr, i64 6 |
| 10 | %x.st.addr = getelementptr i32* %xptr, i64 5 |
| 11 | br label %for.body |
| 12 | |
| 13 | for.body: |
| 14 | %i = phi i64 [ 0, %entry ], [ %i.next, %for.body ] |
| 15 | %x = load i32* %x.ld.addr |
| 16 | store i32 %x, i32* %x.st.addr |
| 17 | %i.next = add i64 %i, 1 |
| 18 | %exitcond = icmp eq i64 %i.next, 256 |
| 19 | br i1 %exitcond, label %for.end, label %for.body |
| 20 | |
| 21 | for.end: |
| 22 | ret void |
| 23 | } |