f3837e726f
Since ROLBRd needs an implicit R1 (on AVR) or an implicit R17 (on AVRTiny), we split ROLBRd to ROLBRdR1 (on AVR) and ROLBRdR17 (on AVRTiny). Reviewed By: aykevl, Patryk27 Differential Revision: https://reviews.llvm.org/D152248
76 lines
2.0 KiB
LLVM
76 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc < %s -mtriple=avr | FileCheck %s
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; RUN: llc < %s -mtriple=avr -mattr=+avrtiny | FileCheck --check-prefix=TINY %s
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define i8 @rol8(i8 %val, i8 %amt) {
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; CHECK-LABEL: rol8:
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; CHECK: ; %bb.0:
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; CHECK-NEXT: andi r22, 7
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; CHECK-NEXT: dec r22
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; CHECK-NEXT: brmi .LBB0_2
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; CHECK-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: lsl r24
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; CHECK-NEXT: adc r24, r1
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; CHECK-NEXT: dec r22
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; CHECK-NEXT: brpl .LBB0_1
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; CHECK-NEXT: .LBB0_2:
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; CHECK-NEXT: ret
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;
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; TINY-LABEL: rol8:
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; TINY: ; %bb.0:
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; TINY-NEXT: andi r22, 7
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; TINY-NEXT: dec r22
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; TINY-NEXT: brmi .LBB0_2
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; TINY-NEXT: .LBB0_1: ; =>This Inner Loop Header: Depth=1
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; TINY-NEXT: lsl r24
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; TINY-NEXT: adc r24, r17
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; TINY-NEXT: dec r22
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; TINY-NEXT: brpl .LBB0_1
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; TINY-NEXT: .LBB0_2:
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; TINY-NEXT: ret
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%mod = urem i8 %amt, 8
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%inv = sub i8 8, %mod
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%parta = shl i8 %val, %mod
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%partb = lshr i8 %val, %inv
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%rotl = or i8 %parta, %partb
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ret i8 %rotl
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}
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define i8 @ror8(i8 %val, i8 %amt) {
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; CHECK-LABEL: ror8:
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; CHECK: ; %bb.0:
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; CHECK-NEXT: andi r22, 7
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; CHECK-NEXT: dec r22
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; CHECK-NEXT: brmi .LBB1_2
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; CHECK-NEXT: .LBB1_1: ; =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: bst r24, 0
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; CHECK-NEXT: ror r24
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; CHECK-NEXT: bld r24, 7
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; CHECK-NEXT: dec r22
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; CHECK-NEXT: brpl .LBB1_1
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; CHECK-NEXT: .LBB1_2:
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; CHECK-NEXT: ret
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;
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; TINY-LABEL: ror8:
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; TINY: ; %bb.0:
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; TINY-NEXT: andi r22, 7
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; TINY-NEXT: dec r22
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; TINY-NEXT: brmi .LBB1_2
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; TINY-NEXT: .LBB1_1: ; =>This Inner Loop Header: Depth=1
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; TINY-NEXT: bst r24, 0
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; TINY-NEXT: ror r24
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; TINY-NEXT: bld r24, 7
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; TINY-NEXT: dec r22
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; TINY-NEXT: brpl .LBB1_1
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; TINY-NEXT: .LBB1_2:
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; TINY-NEXT: ret
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%mod = urem i8 %amt, 8
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%inv = sub i8 8, %mod
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%parta = lshr i8 %val, %mod
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%partb = shl i8 %val, %inv
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%rotr = or i8 %parta, %partb
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ret i8 %rotr
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}
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