1 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
2 ; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -relocation-model=dynamic-no-pic -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=ARM
5 define zeroext i16 @t1(i16* nocapture %a) nounwind uwtable readonly ssp {
8 %add.ptr = getelementptr inbounds i16, i16* %a, i64 -8
9 %0 = load i16, i16* %add.ptr, align 2
10 ; ARM: ldrh r0, [r0, #-16]
14 define zeroext i16 @t2(i16* nocapture %a) nounwind uwtable readonly ssp {
17 %add.ptr = getelementptr inbounds i16, i16* %a, i64 -16
18 %0 = load i16, i16* %add.ptr, align 2
19 ; ARM: ldrh r0, [r0, #-32]
23 define zeroext i16 @t3(i16* nocapture %a) nounwind uwtable readonly ssp {
26 %add.ptr = getelementptr inbounds i16, i16* %a, i64 -127
27 %0 = load i16, i16* %add.ptr, align 2
28 ; ARM: ldrh r0, [r0, #-254]
32 define zeroext i16 @t4(i16* nocapture %a) nounwind uwtable readonly ssp {
35 %add.ptr = getelementptr inbounds i16, i16* %a, i64 -128
36 %0 = load i16, i16* %add.ptr, align 2
37 ; ARM: mvn r{{[1-9]}}, #255
38 ; ARM: add r0, r0, r{{[1-9]}}
43 define zeroext i16 @t5(i16* nocapture %a) nounwind uwtable readonly ssp {
46 %add.ptr = getelementptr inbounds i16, i16* %a, i64 8
47 %0 = load i16, i16* %add.ptr, align 2
48 ; ARM: ldrh r0, [r0, #16]
52 define zeroext i16 @t6(i16* nocapture %a) nounwind uwtable readonly ssp {
55 %add.ptr = getelementptr inbounds i16, i16* %a, i64 16
56 %0 = load i16, i16* %add.ptr, align 2
57 ; ARM: ldrh r0, [r0, #32]
61 define zeroext i16 @t7(i16* nocapture %a) nounwind uwtable readonly ssp {
64 %add.ptr = getelementptr inbounds i16, i16* %a, i64 127
65 %0 = load i16, i16* %add.ptr, align 2
66 ; ARM: ldrh r0, [r0, #254]
70 define zeroext i16 @t8(i16* nocapture %a) nounwind uwtable readonly ssp {
73 %add.ptr = getelementptr inbounds i16, i16* %a, i64 128
74 %0 = load i16, i16* %add.ptr, align 2
75 ; ARM: add r0, r0, #256
80 define void @t9(i16* nocapture %a) nounwind uwtable ssp {
83 %add.ptr = getelementptr inbounds i16, i16* %a, i64 -8
84 store i16 0, i16* %add.ptr, align 2
85 ; ARM: strh r1, [r0, #-16]
91 define void @t10(i16* nocapture %a) nounwind uwtable ssp {
94 %add.ptr = getelementptr inbounds i16, i16* %a, i64 -128
95 store i16 0, i16* %add.ptr, align 2
96 ; ARM: mvn r{{[1-9]}}, #255
97 ; ARM: add r0, r0, r{{[1-9]}}
98 ; ARM: strh r{{[1-9]}}, [r0]
102 define void @t11(i16* nocapture %a) nounwind uwtable ssp {
105 %add.ptr = getelementptr inbounds i16, i16* %a, i64 8
106 store i16 0, i16* %add.ptr, align 2
107 ; ARM: strh r{{[1-9]}}, [r0, #16]
113 define void @t12(i16* nocapture %a) nounwind uwtable ssp {
116 %add.ptr = getelementptr inbounds i16, i16* %a, i64 128
117 store i16 0, i16* %add.ptr, align 2
118 ; ARM: add r0, r0, #256
119 ; ARM: strh r{{[1-9]}}, [r0]
123 define signext i8 @t13(i8* nocapture %a) nounwind uwtable readonly ssp {
126 %add.ptr = getelementptr inbounds i8, i8* %a, i64 -8
127 %0 = load i8, i8* %add.ptr, align 2
128 ; ARM: ldrsb r0, [r0, #-8]
132 define signext i8 @t14(i8* nocapture %a) nounwind uwtable readonly ssp {
135 %add.ptr = getelementptr inbounds i8, i8* %a, i64 -255
136 %0 = load i8, i8* %add.ptr, align 2
137 ; ARM: ldrsb r0, [r0, #-255]
141 define signext i8 @t15(i8* nocapture %a) nounwind uwtable readonly ssp {
144 %add.ptr = getelementptr inbounds i8, i8* %a, i64 -256
145 %0 = load i8, i8* %add.ptr, align 2
146 ; ARM: mvn r{{[1-9]}}, #255
147 ; ARM: add r0, r0, r{{[1-9]}}
148 ; ARM: ldrsb r0, [r0]