| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| ; RUN: llc < %s -mtriple=avr | FileCheck %s |
| ; RUN: llc < %s -mtriple=avr -mattr=+avrtiny | FileCheck --check-prefix=TINY %s |
| |
| define i8 @rol8(i8 %val, i8 %amt) { |
| ; CHECK-LABEL: rol8: |
| ; CHECK: ; %bb.0: |
| ; CHECK-NEXT: andi r22, 7 |
| ; CHECK-NEXT: dec r22 |
| ; CHECK-NEXT: brmi .LBB0_2 |
| ; CHECK-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: lsl r24 |
| ; CHECK-NEXT: adc r24, r1 |
| ; CHECK-NEXT: dec r22 |
| ; CHECK-NEXT: brpl .LBB0_1 |
| ; CHECK-NEXT: .LBB0_2: |
| ; CHECK-NEXT: ret |
| ; |
| ; TINY-LABEL: rol8: |
| ; TINY: ; %bb.0: |
| ; TINY-NEXT: andi r22, 7 |
| ; TINY-NEXT: dec r22 |
| ; TINY-NEXT: brmi .LBB0_2 |
| ; TINY-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1 |
| ; TINY-NEXT: lsl r24 |
| ; TINY-NEXT: adc r24, r17 |
| ; TINY-NEXT: dec r22 |
| ; TINY-NEXT: brpl .LBB0_1 |
| ; TINY-NEXT: .LBB0_2: |
| ; TINY-NEXT: ret |
| %mod = urem i8 %amt, 8 |
| %inv = sub i8 8, %mod |
| %parta = shl i8 %val, %mod |
| %partb = lshr i8 %val, %inv |
| %rotl = or i8 %parta, %partb |
| ret i8 %rotl |
| } |
| |
| |
| define i8 @ror8(i8 %val, i8 %amt) { |
| ; CHECK-LABEL: ror8: |
| ; CHECK: ; %bb.0: |
| ; CHECK-NEXT: andi r22, 7 |
| ; CHECK-NEXT: dec r22 |
| ; CHECK-NEXT: brmi .LBB1_2 |
| ; CHECK-NEXT: .LBB1_1: ; =>This Inner Loop Header: Depth=1 |
| ; CHECK-NEXT: bst r24, 0 |
| ; CHECK-NEXT: ror r24 |
| ; CHECK-NEXT: bld r24, 7 |
| ; CHECK-NEXT: dec r22 |
| ; CHECK-NEXT: brpl .LBB1_1 |
| ; CHECK-NEXT: .LBB1_2: |
| ; CHECK-NEXT: ret |
| ; |
| ; TINY-LABEL: ror8: |
| ; TINY: ; %bb.0: |
| ; TINY-NEXT: andi r22, 7 |
| ; TINY-NEXT: dec r22 |
| ; TINY-NEXT: brmi .LBB1_2 |
| ; TINY-NEXT: .LBB1_1: ; =>This Inner Loop Header: Depth=1 |
| ; TINY-NEXT: bst r24, 0 |
| ; TINY-NEXT: ror r24 |
| ; TINY-NEXT: bld r24, 7 |
| ; TINY-NEXT: dec r22 |
| ; TINY-NEXT: brpl .LBB1_1 |
| ; TINY-NEXT: .LBB1_2: |
| ; TINY-NEXT: ret |
| %mod = urem i8 %amt, 8 |
| %inv = sub i8 8, %mod |
| %parta = lshr i8 %val, %mod |
| %partb = shl i8 %val, %inv |
| %rotr = or i8 %parta, %partb |
| ret i8 %rotr |
| } |
| |