NAKAMURA Takumi | ddbfbcf | 2011-03-16 13:52:38 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86 -relocation-model=static | FileCheck %s |
| 2 | ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s |
| 3 | ; CHECK-NOT: lea |
Dan Gohman | 02e4fa7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 4 | |
Dan Gohman | 2d1be87 | 2009-04-16 03:18:22 +0000 | [diff] [blame] | 5 | ; P should be sunk into the loop and folded into the address mode. There |
Evan Cheng | d9fb712 | 2009-02-21 02:06:47 +0000 | [diff] [blame] | 6 | ; shouldn't be any lea instructions inside the loop. |
Dan Gohman | 02e4fa7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 7 | |
| 8 | @B = external global [1000 x i8], align 32 |
| 9 | @A = external global [1000 x i8], align 32 |
| 10 | @P = external global [1000 x i8], align 32 |
Dan Gohman | ad4f7a6 | 2010-01-12 04:52:47 +0000 | [diff] [blame] | 11 | @Q = external global [1000 x i8], align 32 |
Dan Gohman | 02e4fa7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 12 | |
Evan Cheng | d9fb712 | 2009-02-21 02:06:47 +0000 | [diff] [blame] | 13 | define void @foo(i32 %m, i32 %p) nounwind { |
Dan Gohman | 02e4fa7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 14 | entry: |
| 15 | %tmp1 = icmp sgt i32 %m, 0 |
| 16 | br i1 %tmp1, label %bb, label %return |
| 17 | |
| 18 | bb: |
| 19 | %i.019.0 = phi i32 [ %indvar.next, %bb ], [ 0, %entry ] |
| 20 | %tmp2 = getelementptr [1000 x i8]* @B, i32 0, i32 %i.019.0 |
| 21 | %tmp3 = load i8* %tmp2, align 4 |
| 22 | %tmp4 = mul i8 %tmp3, 2 |
| 23 | %tmp5 = getelementptr [1000 x i8]* @A, i32 0, i32 %i.019.0 |
| 24 | store i8 %tmp4, i8* %tmp5, align 4 |
| 25 | %tmp8 = mul i32 %i.019.0, 9 |
| 26 | %tmp0 = add i32 %tmp8, %p |
| 27 | %tmp10 = getelementptr [1000 x i8]* @P, i32 0, i32 %tmp0 |
| 28 | store i8 17, i8* %tmp10, align 4 |
Dan Gohman | ad4f7a6 | 2010-01-12 04:52:47 +0000 | [diff] [blame] | 29 | %tmp11 = getelementptr [1000 x i8]* @Q, i32 0, i32 %tmp0 |
| 30 | store i8 19, i8* %tmp11, align 4 |
Dan Gohman | 02e4fa7 | 2007-10-22 20:40:42 +0000 | [diff] [blame] | 31 | %indvar.next = add i32 %i.019.0, 1 |
| 32 | %exitcond = icmp eq i32 %indvar.next, %m |
| 33 | br i1 %exitcond, label %return, label %bb |
| 34 | |
| 35 | return: |
| 36 | ret void |
| 37 | } |
| 38 | |