1 ; RUN: llc < %s -march=arm | FileCheck %s 2 3 define i32 @f1(i32* %v) { 4 ; CHECK-LABEL: f1: 5 ; CHECK: ldr r0 6 entry: 7 %tmp = load i32* %v 8 ret i32 %tmp 9 } 10 11 define i32 @f2(i32* %v) { 12 ; CHECK-LABEL: f2: 13 ; CHECK: ldr r0 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 ; CHECK-LABEL: f3: 22 ; CHECK: mov 23 ; CHECK: ldr r0 24 entry: 25 %tmp2 = getelementptr i32* %v, i32 1024 26 %tmp = load i32* %tmp2 27 ret i32 %tmp 28 } 29 30 define i32 @f4(i32 %base) { 31 ; CHECK-LABEL: f4: 32 ; CHECK-NOT: mvn 33 ; CHECK: ldr r0 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) { 42 ; CHECK-LABEL: f5: 43 ; CHECK: ldr r0 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) { 52 ; CHECK-LABEL: f6: 53 ; CHECK: ldr r0{{.*}}lsl{{.*}} 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) { 63 ; CHECK-LABEL: f7: 64 ; CHECK: ldr r0{{.*}}lsr{{.*}} 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 } 72
