Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=arm | FileCheck %s |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 2 | |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 3 | define i32 @f1(i32* %v) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 4 | ; CHECK: f1: |
| 5 | ; CHECK: ldr r0 |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 6 | entry: |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 7 | %tmp = load i32* %v |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 8 | ret i32 %tmp |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 9 | } |
| 10 | |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 11 | define i32 @f2(i32* %v) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 12 | ; CHECK: f2: |
| 13 | ; CHECK: ldr r0 |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 14 | entry: |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 15 | %tmp2 = getelementptr i32* %v, i32 1023 |
| 16 | %tmp = load i32* %tmp2 |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 17 | ret i32 %tmp |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 18 | } |
| 19 | |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 20 | define i32 @f3(i32* %v) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 21 | ; CHECK: f3: |
| 22 | ; CHECK: mov |
| 23 | ; CHECK: ldr r0 |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 24 | entry: |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 25 | %tmp2 = getelementptr i32* %v, i32 1024 |
| 26 | %tmp = load i32* %tmp2 |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 27 | ret i32 %tmp |
Rafael Espindola | 61369da | 2006-08-14 19:01:24 +0000 | [diff] [blame] | 28 | } |
Tanya Lattner | 6263f94 | 2008-02-17 20:02:20 +0000 | [diff] [blame] | 29 | |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 30 | define i32 @f4(i32 %base) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 31 | ; CHECK: f4: |
| 32 | ; CHECK-NOT: mvn |
| 33 | ; CHECK: ldr r0 |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 34 | entry: |
| 35 | %tmp1 = sub i32 %base, 128 |
| 36 | %tmp2 = inttoptr i32 %tmp1 to i32* |
| 37 | %tmp3 = load i32* %tmp2 |
| 38 | ret i32 %tmp3 |
| 39 | } |
| 40 | |
| 41 | define i32 @f5(i32 %base, i32 %offset) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 42 | ; CHECK: f5: |
| 43 | ; CHECK: ldr r0 |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 44 | entry: |
| 45 | %tmp1 = add i32 %base, %offset |
| 46 | %tmp2 = inttoptr i32 %tmp1 to i32* |
| 47 | %tmp3 = load i32* %tmp2 |
| 48 | ret i32 %tmp3 |
| 49 | } |
| 50 | |
| 51 | define i32 @f6(i32 %base, i32 %offset) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 52 | ; CHECK: f6: |
| 53 | ; CHECK: ldr r0{{.*}}lsl{{.*}} |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 54 | entry: |
| 55 | %tmp1 = shl i32 %offset, 2 |
| 56 | %tmp2 = add i32 %base, %tmp1 |
| 57 | %tmp3 = inttoptr i32 %tmp2 to i32* |
| 58 | %tmp4 = load i32* %tmp3 |
| 59 | ret i32 %tmp4 |
| 60 | } |
| 61 | |
| 62 | define i32 @f7(i32 %base, i32 %offset) { |
Bob Wilson | b935031 | 2009-10-27 06:16:45 +0000 | [diff] [blame] | 63 | ; CHECK: f7: |
| 64 | ; CHECK: ldr r0{{.*}}lsr{{.*}} |
Evan Cheng | 055b031 | 2009-06-29 07:51:04 +0000 | [diff] [blame] | 65 | entry: |
| 66 | %tmp1 = lshr i32 %offset, 2 |
| 67 | %tmp2 = add i32 %base, %tmp1 |
| 68 | %tmp3 = inttoptr i32 %tmp2 to i32* |
| 69 | %tmp4 = load i32* %tmp3 |
| 70 | ret i32 %tmp4 |
| 71 | } |