1; RUN: llc -mattr=mul,movw < %s -march=avr | FileCheck %s 2 3; Unsigned 8-bit division 4define i8 @udiv8(i8 %a, i8 %b) { 5; CHECK-LABEL: div8: 6; CHECK: call __udivmodqi4 7; CHECK-NEXT: ret 8 9 %quotient = udiv i8 %a, %b 10 ret i8 %quotient 11} 12 13; Signed 8-bit division 14define i8 @sdiv8(i8 %a, i8 %b) { 15; CHECK-LABEL: sdiv8: 16; CHECK: call __divmodqi4 17; CHECK-NEXT: ret 18 19 %quotient = sdiv i8 %a, %b 20 ret i8 %quotient 21} 22 23; Unsigned 16-bit division 24define i16 @udiv16(i16 %a, i16 %b) { 25; CHECK-LABEL: udiv16: 26; CHECK: call __udivmodhi4 27; CHECK-NEXT: movw r24, r22 28; CHECK-NEXT: ret 29 %quot = udiv i16 %a, %b 30 ret i16 %quot 31} 32 33; Signed 16-bit division 34define i16 @sdiv16(i16 %a, i16 %b) { 35; CHECK-LABEL: sdiv16: 36; CHECK: call __divmodhi4 37; CHECK-NEXT: movw r24, r22 38; CHECK-NEXT: ret 39 %quot = sdiv i16 %a, %b 40 ret i16 %quot 41} 42 43; Unsigned 32-bit division 44define i32 @udiv32(i32 %a, i32 %b) { 45; CHECK-LABEL: udiv32: 46; CHECK: call __udivmodsi4 47; CHECK-NEXT: movw r22, r18 48; CHECK-NEXT: movw r24, r20 49; CHECK-NEXT: ret 50 %quot = udiv i32 %a, %b 51 ret i32 %quot 52} 53 54; Signed 32-bit division 55define i32 @sdiv32(i32 %a, i32 %b) { 56; CHECK-LABEL: sdiv32: 57; CHECK: call __divmodsi4 58; CHECK-NEXT: movw r22, r18 59; CHECK-NEXT: movw r24, r20 60; CHECK-NEXT: ret 61 %quot = sdiv i32 %a, %b 62 ret i32 %quot 63} 64 65; Unsigned 64-bit division 66define i64 @udiv64(i64 %a, i64 %b) { 67; CHECK-LABEL: udiv64: 68; CHECK: call __udivdi3 69; CHECK: ret 70 %quot = udiv i64 %a, %b 71 ret i64 %quot 72} 73 74; Signed 64-bit division 75define i64 @sdiv64(i64 %a, i64 %b) { 76; CHECK-LABEL: sdiv64: 77; CHECK: call __divdi3 78; CHECK: ret 79 %quot = sdiv i64 %a, %b 80 ret i64 %quot 81} 82 83; Unsigned 128-bit division 84define i128 @udiv128(i128 %a, i128 %b) { 85; CHECK-LABEL: udiv128: 86; CHECK: call __udivti3 87; CHECK: ret 88 %quot = udiv i128 %a, %b 89 ret i128 %quot 90} 91 92; Signed 128-bit division 93define i128 @sdiv128(i128 %a, i128 %b) { 94; CHECK-LABEL: sdiv128: 95; CHECK: call __divti3 96; CHECK: ret 97 %quot = sdiv i128 %a, %b 98 ret i128 %quot 99} 100 101