1; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=CHECK
2; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=CHECK
3; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=CHECK64
4
5; CHECK-LABEL: mul5_32:
6; CHECK: sll $[[R0:[0-9]+]], $4, 2
7; CHECK: addu ${{[0-9]+}}, $[[R0]], $4
8
9define i32 @mul5_32(i32 %a) {
10entry:
11  %mul = mul nsw i32 %a, 5
12  ret i32 %mul
13}
14
15; CHECK-LABEL:     mul27_32:
16; CHECK-DAG: sll $[[R0:[0-9]+]], $4, 2
17; CHECK-DAG: addu $[[R1:[0-9]+]], $[[R0]], $4
18; CHECK-DAG: sll $[[R2:[0-9]+]], $4, 5
19; CHECK:     subu ${{[0-9]+}}, $[[R2]], $[[R1]]
20
21define i32 @mul27_32(i32 %a) {
22entry:
23  %mul = mul nsw i32 %a, 27
24  ret i32 %mul
25}
26
27; CHECK-LABEL:     muln2147483643_32:
28; CHECK-DAG: sll $[[R0:[0-9]+]], $4, 2
29; CHECK-DAG: addu $[[R1:[0-9]+]], $[[R0]], $4
30; CHECK-DAG: sll $[[R2:[0-9]+]], $4, 31
31; CHECK:     addu ${{[0-9]+}}, $[[R2]], $[[R1]]
32
33define i32 @muln2147483643_32(i32 %a) {
34entry:
35  %mul = mul nsw i32 %a, -2147483643
36  ret i32 %mul
37}
38
39; CHECK64-LABEL:     muln9223372036854775805_64:
40; CHECK64-DAG: dsll $[[R0:[0-9]+]], $4, 1
41; CHECK64-DAG: daddu $[[R1:[0-9]+]], $[[R0]], $4
42; CHECK64-DAG: dsll $[[R2:[0-9]+]], $4, 63
43; CHECK64:     daddu ${{[0-9]+}}, $[[R2]], $[[R1]]
44
45define i64 @muln9223372036854775805_64(i64 %a) {
46entry:
47  %mul = mul nsw i64 %a, -9223372036854775805
48  ret i64 %mul
49}
50