1 ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
3 define i8 @f1(ptr %v) {
11 define i8 @f2(ptr %v) {
14 ; CHECK: ldrb r0, [r0, #-1]
15 %tmp2 = getelementptr i8, ptr %v, i8 1023
16 %tmp = load i8, ptr %tmp2
20 define i8 @f3(i32 %base) {
23 ; CHECK: mov.w r1, #4096
24 ; CHECK: ldrb r0, [r0, r1]
25 %tmp1 = add i32 %base, 4096
26 %tmp2 = inttoptr i32 %tmp1 to ptr
27 %tmp3 = load i8, ptr %tmp2
31 define i8 @f4(i32 %base) {
34 ; CHECK: ldrb r0, [r0, #-128]
35 %tmp1 = sub i32 %base, 128
36 %tmp2 = inttoptr i32 %tmp1 to ptr
37 %tmp3 = load i8, ptr %tmp2
41 define i8 @f5(i32 %base, i32 %offset) {
44 ; CHECK: ldrb r0, [r0, r1]
45 %tmp1 = add i32 %base, %offset
46 %tmp2 = inttoptr i32 %tmp1 to ptr
47 %tmp3 = load i8, ptr %tmp2
51 define i8 @f6(i32 %base, i32 %offset) {
54 ; CHECK: ldrb.w r0, [r0, r1, lsl #2]
55 %tmp1 = shl i32 %offset, 2
56 %tmp2 = add i32 %base, %tmp1
57 %tmp3 = inttoptr i32 %tmp2 to ptr
58 %tmp4 = load i8, ptr %tmp3
62 define i8 @f7(i32 %base, i32 %offset) {
65 ; CHECK: lsrs r1, r1, #2
66 ; CHECK: ldrb r0, [r0, r1]
67 %tmp1 = lshr i32 %offset, 2
68 %tmp2 = add i32 %base, %tmp1
69 %tmp3 = inttoptr i32 %tmp2 to ptr
70 %tmp4 = load i8, ptr %tmp3