Evan Cheng | f255b81 | 2006-03-20 18:26:11 +0000 | [diff] [blame] | 1 | ; RUN: llvm-as < %s | llc -march=x86 | grep 'A(' | wc -l | grep 1 |
Evan Cheng | a3dc22f | 2006-03-17 19:45:54 +0000 | [diff] [blame] | 2 | ; |
| 3 | ; Make sure the common loop invariant _A(reg) is hoisted up to preheader. |
| 4 | |
| 5 | %A = internal global [16 x [16 x int]] zeroinitializer, align 32 |
| 6 | |
| 7 | void %test(int %row, int %N) { |
| 8 | entry: |
| 9 | %N = cast int %N to uint |
| 10 | %tmp5 = setgt int %N, 0 |
| 11 | br bool %tmp5, label %cond_true, label %return |
| 12 | |
| 13 | cond_true: |
| 14 | %indvar = phi uint [ 0, %entry ], [ %indvar.next, %cond_true ] |
| 15 | %i.0.0 = cast uint %indvar to int |
| 16 | %tmp2 = add int %i.0.0, 1 |
| 17 | %tmp = getelementptr [16 x [16 x int]]* %A, int 0, int %row, int %tmp2 |
| 18 | store int 4, int* %tmp |
| 19 | %tmp5 = add int %i.0.0, 2 |
| 20 | %tmp7 = getelementptr [16 x [16 x int]]* %A, int 0, int %row, int %tmp5 |
| 21 | store int 5, int* %tmp7 |
| 22 | %indvar.next = add uint %indvar, 1 |
| 23 | %exitcond = seteq uint %indvar.next, %N |
| 24 | br bool %exitcond, label %return, label %cond_true |
| 25 | |
| 26 | return: |
| 27 | ret void |
| 28 | } |