| ; 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 |
| } |
