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; 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
}
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