xref: /llvm-project/llvm/test/CodeGen/ARM/long_shift.ll (revision 624fcb286ea7e3184fe34e414e5288465e33883c)
1; RUN: llc < %s -march=arm | FileCheck %s
2
3define i64 @f0(i64 %A, i64 %B) {
4; CHECK: f0
5; CHECK: rrx
6	%tmp = bitcast i64 %A to i64
7	%tmp2 = lshr i64 %B, 1
8	%tmp3 = sub i64 %tmp, %tmp2
9	ret i64 %tmp3
10}
11
12define i32 @f1(i64 %x, i64 %y) {
13; CHECK: f1
14; CHECK: mov r0, r0, lsl r2
15	%a = shl i64 %x, %y
16	%b = trunc i64 %a to i32
17	ret i32 %b
18}
19
20define i32 @f2(i64 %x, i64 %y) {
21; CHECK: f2
22; CHECK: movge r0, r1, asr r2
23	%a = ashr i64 %x, %y
24	%b = trunc i64 %a to i32
25	ret i32 %b
26}
27
28define i32 @f3(i64 %x, i64 %y) {
29; CHECK: f3
30; CHECK: __lshrdi3
31	%a = lshr i64 %x, %y
32	%b = trunc i64 %a to i32
33	ret i32 %b
34}
35