; 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
}
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