source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/sbfx.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: 1.1 KB
Line 
1; RUN: llc -mtriple=arm-eabi -mattr=+v6t2 %s -o - | FileCheck %s
2
3define i32 @f1(i32 %a) {
4entry:
5; CHECK-LABEL: f1:
6; CHECK: sbfx r0, r0, #0, #20
7    %tmp = shl i32 %a, 12
8    %tmp2 = ashr i32 %tmp, 12
9    ret i32 %tmp2
10}
11
12define i32 @f2(i32 %a) {
13entry:
14; CHECK-LABEL: f2:
15; CHECK: bfc    r0, #20, #12
16    %tmp = shl i32 %a, 12
17    %tmp2 = lshr i32 %tmp, 12
18    ret i32 %tmp2
19}
20
21define i32 @f3(i32 %a) {
22entry:
23; CHECK-LABEL: f3:
24; CHECK: sbfx r0, r0, #5, #3
25    %tmp = shl i32 %a, 24
26    %tmp2 = ashr i32 %tmp, 29
27    ret i32 %tmp2
28}
29
30define i32 @f4(i32 %a) {
31entry:
32; CHECK-LABEL: f4:
33; CHECK: ubfx r0, r0, #5, #3
34    %tmp = shl i32 %a, 24
35    %tmp2 = lshr i32 %tmp, 29
36    ret i32 %tmp2
37}
38
39define i32 @f5(i32 %a) {
40entry:
41; CHECK-LABEL: f5:
42; CHECK-NOT: sbfx
43; CHECK: bx
44    %tmp = shl i32 %a, 3
45    %tmp2 = ashr i32 %tmp, 1
46    ret i32 %tmp2
47}
48
49define signext i8 @f6(i32 %a) {
50; CHECK-LABEL: f6:
51; CHECK: sbfx r0, r0, #23, #8
52
53  %tmp = lshr i32 %a, 23
54  %res = trunc i32 %tmp to i8
55  ret i8 %res
56}
57
58define signext i8 @f7(i32 %a) {
59; CHECK-LABEL: f7:
60; CHECK-NOT: sbfx
61
62  %tmp = lshr i32 %a, 25
63  %res = trunc i32 %tmp to i8
64  ret i8 %res
65}
Note: See TracBrowser for help on using the repository browser.