Evan Cheng | 532cdc5 | 2009-06-29 07:51:04 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldr r0} | count 7 |
| 2 | ; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov | grep 1 |
| 3 | ; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn |
| 4 | ; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldr | grep lsl |
| 5 | ; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr | not grep ldr |
| 6 | |
| 7 | define i32 @f1(i32* %v) { |
| 8 | entry: |
| 9 | %tmp = load i32* %v |
| 10 | ret i32 %tmp |
| 11 | } |
| 12 | |
| 13 | define i32 @f2(i32* %v) { |
| 14 | entry: |
| 15 | %tmp2 = getelementptr i32* %v, i32 1023 |
| 16 | %tmp = load i32* %tmp2 |
| 17 | ret i32 %tmp |
| 18 | } |
| 19 | |
| 20 | define i32 @f3(i32* %v) { |
| 21 | entry: |
| 22 | %tmp2 = getelementptr i32* %v, i32 1024 |
| 23 | %tmp = load i32* %tmp2 |
| 24 | ret i32 %tmp |
| 25 | } |
| 26 | |
| 27 | define i32 @f4(i32 %base) { |
| 28 | entry: |
| 29 | %tmp1 = sub i32 %base, 128 |
| 30 | %tmp2 = inttoptr i32 %tmp1 to i32* |
| 31 | %tmp3 = load i32* %tmp2 |
| 32 | ret i32 %tmp3 |
| 33 | } |
| 34 | |
| 35 | define i32 @f5(i32 %base, i32 %offset) { |
| 36 | entry: |
| 37 | %tmp1 = add i32 %base, %offset |
| 38 | %tmp2 = inttoptr i32 %tmp1 to i32* |
| 39 | %tmp3 = load i32* %tmp2 |
| 40 | ret i32 %tmp3 |
| 41 | } |
| 42 | |
| 43 | define i32 @f6(i32 %base, i32 %offset) { |
| 44 | entry: |
| 45 | %tmp1 = shl i32 %offset, 2 |
| 46 | %tmp2 = add i32 %base, %tmp1 |
| 47 | %tmp3 = inttoptr i32 %tmp2 to i32* |
| 48 | %tmp4 = load i32* %tmp3 |
| 49 | ret i32 %tmp4 |
| 50 | } |
| 51 | |
| 52 | define i32 @f7(i32 %base, i32 %offset) { |
| 53 | entry: |
| 54 | %tmp1 = lshr i32 %offset, 2 |
| 55 | %tmp2 = add i32 %base, %tmp1 |
| 56 | %tmp3 = inttoptr i32 %tmp2 to i32* |
| 57 | %tmp4 = load i32* %tmp3 |
| 58 | ret i32 %tmp4 |
| 59 | } |