Dan Gohman | 0a06310 | 2009-09-08 23:54:48 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 -relocation-model=static | not grep lea |
| 2 | ; RUN: llc < %s -march=x86-64 | not grep lea |
Dan Gohman | 5766ac7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 3 | |
Dan Gohman | 01c2ee7 | 2009-04-16 03:18:22 +0000 | [diff] [blame] | 4 | ; P should be sunk into the loop and folded into the address mode. There |
Evan Cheng | f2704c0 | 2009-02-21 02:06:47 +0000 | [diff] [blame] | 5 | ; shouldn't be any lea instructions inside the loop. |
Dan Gohman | 5766ac7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 6 | |
| 7 | @B = external global [1000 x i8], align 32 |
| 8 | @A = external global [1000 x i8], align 32 |
| 9 | @P = external global [1000 x i8], align 32 |
Dan Gohman | c7e38a8 | 2010-01-12 04:52:47 +0000 | [diff] [blame] | 10 | @Q = external global [1000 x i8], align 32 |
Dan Gohman | 5766ac7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 11 | |
Evan Cheng | f2704c0 | 2009-02-21 02:06:47 +0000 | [diff] [blame] | 12 | define void @foo(i32 %m, i32 %p) nounwind { |
Dan Gohman | 5766ac7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 13 | entry: |
| 14 | %tmp1 = icmp sgt i32 %m, 0 |
| 15 | br i1 %tmp1, label %bb, label %return |
| 16 | |
| 17 | bb: |
| 18 | %i.019.0 = phi i32 [ %indvar.next, %bb ], [ 0, %entry ] |
| 19 | %tmp2 = getelementptr [1000 x i8]* @B, i32 0, i32 %i.019.0 |
| 20 | %tmp3 = load i8* %tmp2, align 4 |
| 21 | %tmp4 = mul i8 %tmp3, 2 |
| 22 | %tmp5 = getelementptr [1000 x i8]* @A, i32 0, i32 %i.019.0 |
| 23 | store i8 %tmp4, i8* %tmp5, align 4 |
| 24 | %tmp8 = mul i32 %i.019.0, 9 |
| 25 | %tmp0 = add i32 %tmp8, %p |
| 26 | %tmp10 = getelementptr [1000 x i8]* @P, i32 0, i32 %tmp0 |
| 27 | store i8 17, i8* %tmp10, align 4 |
Dan Gohman | c7e38a8 | 2010-01-12 04:52:47 +0000 | [diff] [blame] | 28 | %tmp11 = getelementptr [1000 x i8]* @Q, i32 0, i32 %tmp0 |
| 29 | store i8 19, i8* %tmp11, align 4 |
Dan Gohman | 5766ac7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 30 | %indvar.next = add i32 %i.019.0, 1 |
| 31 | %exitcond = icmp eq i32 %indvar.next, %m |
| 32 | br i1 %exitcond, label %return, label %bb |
| 33 | |
| 34 | return: |
| 35 | ret void |
| 36 | } |
| 37 | |