source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/ldr.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 1.5 KB
Line 
1; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s
2
3define i32 @f1(i32* %v) {
4; CHECK-LABEL: f1:
5; CHECK: ldr r0
6entry:
7        %tmp = load i32, i32* %v
8        ret i32 %tmp
9}
10
11define i32 @f2(i32* %v) {
12; CHECK-LABEL: f2:
13; CHECK: ldr r0
14entry:
15        %tmp2 = getelementptr i32, i32* %v, i32 1023
16        %tmp = load i32, i32* %tmp2
17        ret i32 %tmp
18}
19
20define i32 @f3(i32* %v) {
21; CHECK-LABEL: f3:
22; CHECK: mov
23; CHECK: ldr r0
24entry:
25        %tmp2 = getelementptr i32, i32* %v, i32 1024
26        %tmp = load i32, i32* %tmp2
27        ret i32 %tmp
28}
29
30define i32 @f4(i32 %base) {
31; CHECK-LABEL: f4:
32; CHECK-NOT: mvn
33; CHECK: ldr r0
34entry:
35        %tmp1 = sub i32 %base, 128
36        %tmp2 = inttoptr i32 %tmp1 to i32*
37        %tmp3 = load i32, i32* %tmp2
38        ret i32 %tmp3
39}
40
41define i32 @f5(i32 %base, i32 %offset) {
42; CHECK-LABEL: f5:
43; CHECK: ldr r0
44entry:
45        %tmp1 = add i32 %base, %offset
46        %tmp2 = inttoptr i32 %tmp1 to i32*
47        %tmp3 = load i32, i32* %tmp2
48        ret i32 %tmp3
49}
50
51define i32 @f6(i32 %base, i32 %offset) {
52; CHECK-LABEL: f6:
53; CHECK: ldr r0{{.*}}lsl{{.*}}
54entry:
55        %tmp1 = shl i32 %offset, 2
56        %tmp2 = add i32 %base, %tmp1
57        %tmp3 = inttoptr i32 %tmp2 to i32*
58        %tmp4 = load i32, i32* %tmp3
59        ret i32 %tmp4
60}
61
62define i32 @f7(i32 %base, i32 %offset) {
63; CHECK-LABEL: f7:
64; CHECK: ldr r0{{.*}}lsr{{.*}}
65entry:
66        %tmp1 = lshr i32 %offset, 2
67        %tmp2 = add i32 %base, %tmp1
68        %tmp3 = inttoptr i32 %tmp2 to i32*
69        %tmp4 = load i32, i32* %tmp3
70        ret i32 %tmp4
71}
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