| Dylan McKay | a789f40 | 2016-11-16 21:58:04 +0000 | [diff] [blame] | 1 | ; RUN: llc -mattr=addsubiw < %s -march=avr | FileCheck %s |
| 2 | |
| 3 | define i8 @add8_reg_reg(i8 %a, i8 %b) { |
| 4 | ; CHECK-LABEL: add8_reg_reg: |
| 5 | ; CHECK: add r24, r22 |
| 6 | %result = add i8 %a, %b |
| 7 | ret i8 %result |
| 8 | } |
| 9 | |
| 10 | define i8 @add8_reg_imm(i8 %a) { |
| 11 | ; CHECK-LABEL: add8_reg_imm: |
| 12 | ; CHECK: subi r24, -5 |
| 13 | %result = add i8 %a, 5 |
| 14 | ret i8 %result |
| 15 | } |
| 16 | |
| 17 | define i8 @add8_reg_increment(i8 %a) { |
| 18 | ; CHECK-LABEL: add8_reg_increment: |
| 19 | ; CHECK: inc r24 |
| 20 | %result = add i8 %a, 1 |
| 21 | ret i8 %result |
| 22 | } |
| 23 | |
| 24 | |
| 25 | define i16 @add16_reg_reg(i16 %a, i16 %b) { |
| 26 | ; CHECK-LABEL: add16_reg_reg: |
| 27 | ; CHECK: add r24, r22 |
| 28 | ; CHECK: adc r25, r23 |
| 29 | %result = add i16 %a, %b |
| 30 | ret i16 %result |
| 31 | } |
| 32 | |
| 33 | define i16 @add16_reg_imm(i16 %a) { |
| 34 | ; CHECK-LABEL: add16_reg_imm: |
| 35 | ; CHECK: adiw r24, 63 |
| 36 | %result = add i16 %a, 63 |
| 37 | ret i16 %result |
| 38 | } |
| 39 | |
| 40 | define i16 @add16_reg_imm_subi(i16 %a) { |
| 41 | ; CHECK-LABEL: add16_reg_imm_subi: |
| 42 | ; CHECK: subi r24, 133 |
| 43 | ; CHECK: sbci r25, 255 |
| 44 | %result = add i16 %a, 123 |
| 45 | ret i16 %result |
| 46 | } |
| 47 | |
| 48 | define i32 @add32_reg_reg(i32 %a, i32 %b) { |
| 49 | ; CHECK-LABEL: add32_reg_reg: |
| 50 | ; CHECK: add r22, r18 |
| 51 | ; CHECK: adc r23, r19 |
| 52 | ; CHECK: adc r24, r20 |
| 53 | ; CHECK: adc r25, r21 |
| 54 | %result = add i32 %a, %b |
| 55 | ret i32 %result |
| 56 | } |
| 57 | |
| 58 | define i32 @add32_reg_imm(i32 %a) { |
| 59 | ; CHECK-LABEL: add32_reg_imm: |
| 60 | ; CHECK: subi r22, 251 |
| 61 | ; CHECK: sbci r23, 255 |
| 62 | ; CHECK: sbci r24, 255 |
| 63 | ; CHECK: sbci r25, 255 |
| 64 | %result = add i32 %a, 5 |
| 65 | ret i32 %result |
| 66 | } |
| 67 | |
| 68 | define i64 @add64_reg_reg(i64 %a, i64 %b) { |
| 69 | ; CHECK-LABEL: add64_reg_reg: |
| 70 | ; CHECK: add r18, r10 |
| 71 | ; CHECK: adc r20, r12 |
| 72 | ; CHECK: adc r21, r13 |
| 73 | ; CHECK: adc r22, r14 |
| 74 | ; CHECK: adc r23, r15 |
| 75 | ; CHECK: adc r24, r16 |
| 76 | ; CHECK: adc r25, r17 |
| 77 | %result = add i64 %a, %b |
| 78 | ret i64 %result |
| 79 | } |
| 80 | |
| 81 | define i64 @add64_reg_imm(i64 %a) { |
| 82 | ; CHECK-LABEL: add64_reg_imm: |
| 83 | ; CHECK: subi r18, 251 |
| 84 | ; CHECK: sbci r19, 255 |
| 85 | ; CHECK: sbci r20, 255 |
| 86 | ; CHECK: sbci r21, 255 |
| 87 | ; CHECK: sbci r22, 255 |
| 88 | ; CHECK: sbci r23, 255 |
| 89 | ; CHECK: sbci r24, 255 |
| 90 | ; CHECK: sbci r25, 255 |
| 91 | %result = add i64 %a, 5 |
| 92 | ret i64 %result |
| 93 | } |