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 9 define i32 @mul5_32(i32 %a) { 10 entry: 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 21 define i32 @mul27_32(i32 %a) { 22 entry: 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 33 define i32 @muln2147483643_32(i32 %a) { 34 entry: 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 45 define i64 @muln9223372036854775805_64(i64 %a) { 46 entry: 47 %mul = mul nsw i64 %a, -9223372036854775805 48 ret i64 %mul 49 } 50
