| Akira Hatanaka | 9a308df | 2013-06-26 18:48:17 +0000 | [diff] [blame] | 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 | |
| Stephen Lin | 8b2b8a1 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 5 | ; CHECK-LABEL: mul5_32: |
| Akira Hatanaka | 9a308df | 2013-06-26 18:48:17 +0000 | [diff] [blame] | 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 | |
| Stephen Lin | 8b2b8a1 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 15 | ; CHECK-LABEL: mul27_32: |
| Akira Hatanaka | 9a308df | 2013-06-26 18:48:17 +0000 | [diff] [blame] | 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 | |
| Stephen Lin | 8b2b8a1 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 27 | ; CHECK-LABEL: muln2147483643_32: |
| Akira Hatanaka | 9a308df | 2013-06-26 18:48:17 +0000 | [diff] [blame] | 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 | |
| Stephen Lin | 8b2b8a1 | 2013-07-14 06:24:09 +0000 | [diff] [blame] | 39 | ; CHECK64-LABEL: muln9223372036854775805_64: |
| Akira Hatanaka | ae99e41 | 2013-07-01 20:18:58 +0000 | [diff] [blame] | 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]] |
| Akira Hatanaka | 9a308df | 2013-06-26 18:48:17 +0000 | [diff] [blame] | 44 | |
| 45 | define i64 @muln9223372036854775805_64(i64 %a) { |
| 46 | entry: |
| 47 | %mul = mul nsw i64 %a, -9223372036854775805 |
| 48 | ret i64 %mul |
| 49 | } |