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
4 ; CHECK-LABEL: mul5_32:
5 ; CHECK: sll $[[R0:[0-9]+]], $4, 2
6 ; CHECK: addu ${{[0-9]+}}, $[[R0]], $4
8 define i32 @mul5_32(i32 %a) {
10 %mul = mul nsw i32 %a, 5
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]]
20 define i32 @mul27_32(i32 %a) {
22 %mul = mul nsw i32 %a, 27
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]]
32 define i32 @muln2147483643_32(i32 %a) {
34 %mul = mul nsw i32 %a, -2147483643
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]]
44 define i64 @muln9223372036854775805_64(i64 %a) {
46 %mul = mul nsw i64 %a, -9223372036854775805