llvm/test/CodeGen/AVR/bug-56423.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=avr -mcpu=atmega328 | FileCheck %s --check-prefix=AVR51
; RUN: llc < %s -mtriple=avr -mcpu=at90s8515 | FileCheck %s --check-prefix=AVR2

; Test for bug https://github.com/llvm/llvm-project/issues/56423

define i32 @foo(i32 %x, i32 %in_min, i32 %in_max, i32 %out_min, i32 %out_max) {
; AVR51-LABEL: foo:
; AVR51:       ; %bb.0: ; %entry
; AVR51-NEXT:    push r6
; AVR51-NEXT:    push r7
; AVR51-NEXT:    push r8
; AVR51-NEXT:    push r9
; AVR51-NEXT:    push r14
; AVR51-NEXT:    push r15
; AVR51-NEXT:    push r16
; AVR51-NEXT:    push r17
; AVR51-NEXT:    push r28
; AVR51-NEXT:    push r29
; AVR51-NEXT:    in r28, 61
; AVR51-NEXT:    in r29, 62
; AVR51-NEXT:    movw r8, r20
; AVR51-NEXT:    movw r6, r18
; AVR51-NEXT:    movw r20, r24
; AVR51-NEXT:    movw r18, r22
; AVR51-NEXT:    ldd r22, Y+13
; AVR51-NEXT:    ldd r23, Y+14
; AVR51-NEXT:    ldd r24, Y+15
; AVR51-NEXT:    ldd r25, Y+16
; AVR51-NEXT:    sub r22, r10
; AVR51-NEXT:    sbc r23, r11
; AVR51-NEXT:    sbc r24, r12
; AVR51-NEXT:    sbc r25, r13
; AVR51-NEXT:    sub r18, r6
; AVR51-NEXT:    sbc r19, r7
; AVR51-NEXT:    sbc r20, r8
; AVR51-NEXT:    sbc r21, r9
; AVR51-NEXT:    call __mulsi3
; AVR51-NEXT:    sub r14, r6
; AVR51-NEXT:    sbc r15, r7
; AVR51-NEXT:    sbc r16, r8
; AVR51-NEXT:    sbc r17, r9
; AVR51-NEXT:    movw r18, r14
; AVR51-NEXT:    movw r20, r16
; AVR51-NEXT:    call __divmodsi4
; AVR51-NEXT:    add r18, r10
; AVR51-NEXT:    adc r19, r11
; AVR51-NEXT:    adc r20, r12
; AVR51-NEXT:    adc r21, r13
; AVR51-NEXT:    movw r22, r18
; AVR51-NEXT:    movw r24, r20
; AVR51-NEXT:    pop r29
; AVR51-NEXT:    pop r28
; AVR51-NEXT:    pop r17
; AVR51-NEXT:    pop r16
; AVR51-NEXT:    pop r15
; AVR51-NEXT:    pop r14
; AVR51-NEXT:    pop r9
; AVR51-NEXT:    pop r8
; AVR51-NEXT:    pop r7
; AVR51-NEXT:    pop r6
; AVR51-NEXT:    ret
;
; AVR2-LABEL: foo:
; AVR2:       ; %bb.0: ; %entry
; AVR2-NEXT:    push r6
; AVR2-NEXT:    push r7
; AVR2-NEXT:    push r8
; AVR2-NEXT:    push r9
; AVR2-NEXT:    push r14
; AVR2-NEXT:    push r15
; AVR2-NEXT:    push r16
; AVR2-NEXT:    push r17
; AVR2-NEXT:    push r28
; AVR2-NEXT:    push r29
; AVR2-NEXT:    in r28, 61
; AVR2-NEXT:    in r29, 62
; AVR2-NEXT:    mov r8, r20
; AVR2-NEXT:    mov r9, r21
; AVR2-NEXT:    mov r6, r18
; AVR2-NEXT:    mov r7, r19
; AVR2-NEXT:    mov r20, r24
; AVR2-NEXT:    mov r21, r25
; AVR2-NEXT:    mov r18, r22
; AVR2-NEXT:    mov r19, r23
; AVR2-NEXT:    ldd r22, Y+13
; AVR2-NEXT:    ldd r23, Y+14
; AVR2-NEXT:    ldd r24, Y+15
; AVR2-NEXT:    ldd r25, Y+16
; AVR2-NEXT:    sub r22, r10
; AVR2-NEXT:    sbc r23, r11
; AVR2-NEXT:    sbc r24, r12
; AVR2-NEXT:    sbc r25, r13
; AVR2-NEXT:    sub r18, r6
; AVR2-NEXT:    sbc r19, r7
; AVR2-NEXT:    sbc r20, r8
; AVR2-NEXT:    sbc r21, r9
; AVR2-NEXT:    rcall __mulsi3
; AVR2-NEXT:    sub r14, r6
; AVR2-NEXT:    sbc r15, r7
; AVR2-NEXT:    sbc r16, r8
; AVR2-NEXT:    sbc r17, r9
; AVR2-NEXT:    mov r18, r14
; AVR2-NEXT:    mov r19, r15
; AVR2-NEXT:    mov r20, r16
; AVR2-NEXT:    mov r21, r17
; AVR2-NEXT:    rcall __divmodsi4
; AVR2-NEXT:    add r18, r10
; AVR2-NEXT:    adc r19, r11
; AVR2-NEXT:    adc r20, r12
; AVR2-NEXT:    adc r21, r13
; AVR2-NEXT:    mov r22, r18
; AVR2-NEXT:    mov r23, r19
; AVR2-NEXT:    mov r24, r20
; AVR2-NEXT:    mov r25, r21
; AVR2-NEXT:    pop r29
; AVR2-NEXT:    pop r28
; AVR2-NEXT:    pop r17
; AVR2-NEXT:    pop r16
; AVR2-NEXT:    pop r15
; AVR2-NEXT:    pop r14
; AVR2-NEXT:    pop r9
; AVR2-NEXT:    pop r8
; AVR2-NEXT:    pop r7
; AVR2-NEXT:    pop r6
; AVR2-NEXT:    ret
entry:
  %sub = sub nsw i32 %x, %in_min
  %sub1 = sub nsw i32 %out_max, %out_min
  %mul = mul nsw i32 %sub1, %sub
  %sub2 = sub nsw i32 %in_max, %in_min
  %div = sdiv i32 %mul, %sub2
  %add = add nsw i32 %div, %out_min
  ret i32 %add
}