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 8 define i32 @mul5_32(i32 %a) { 9 entry: 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 20 define i32 @mul27_32(i32 %a) { 21 entry: 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 32 define i32 @muln2147483643_32(i32 %a) { 33 entry: 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 44 define i64 @muln9223372036854775805_64(i64 %a) { 45 entry: 46 %mul = mul nsw i64 %a, -9223372036854775805 47 ret i64 %mul 48 } 49
