1; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=CHECK
2; RUN: llc -march=mips64el < %s | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK64
3
4; CHECK-LABEL: mul5_32:
5; CHECK: sll $[[R0:[0-9]+]], $4, 2
6; CHECK: addu ${{[0-9]+}}, $[[R0]], $4
7
8define i32 @mul5_32(i32 signext %a) {
9entry:
10  %mul = mul nsw i32 %a, 5
11  ret i32 %mul
12}
13
14; CHECK-LABEL:     mul27_32:
15; CHECK-DAG: sll $[[R0:[0-9]+]], $4, 2
16; CHECK-DAG: addu $[[R1:[0-9]+]], $[[R0]], $4
17; CHECK-DAG: sll $[[R2:[0-9]+]], $4, 5
18; CHECK:     subu ${{[0-9]+}}, $[[R2]], $[[R1]]
19
20define i32 @mul27_32(i32 signext %a) {
21entry:
22  %mul = mul nsw i32 %a, 27
23  ret i32 %mul
24}
25
26; CHECK-LABEL:     muln2147483643_32:
27; CHECK-DAG: sll $[[R0:[0-9]+]], $4, 2
28; CHECK-DAG: addu $[[R1:[0-9]+]], $[[R0]], $4
29; CHECK-DAG: sll $[[R2:[0-9]+]], $4, 31
30; CHECK:     addu ${{[0-9]+}}, $[[R2]], $[[R1]]
31
32define i32 @muln2147483643_32(i32 signext %a) {
33entry:
34  %mul = mul nsw i32 %a, -2147483643
35  ret i32 %mul
36}
37
38; CHECK64-LABEL:     muln9223372036854775805_64:
39; CHECK64-DAG: dsll $[[R0:[0-9]+]], $4, 1
40; CHECK64-DAG: daddu $[[R1:[0-9]+]], $[[R0]], $4
41; CHECK64-DAG: dsll $[[R2:[0-9]+]], $4, 63
42; CHECK64:     daddu ${{[0-9]+}}, $[[R2]], $[[R1]]
43
44define i64 @muln9223372036854775805_64(i64 signext %a) {
45entry:
46  %mul = mul nsw i64 %a, -9223372036854775805
47  ret i64 %mul
48}
49