1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2;RUN: opt -instcombine -S %s | FileCheck %s 3 4define i8 @fast_div_201(i8 %p) { 5; CHECK-LABEL: @fast_div_201( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: [[V3:%.*]] = zext i8 [[P:%.*]] to i16 8; CHECK-NEXT: [[V4:%.*]] = mul nuw nsw i16 [[V3]], 71 9; CHECK-NEXT: [[V5:%.*]] = lshr i16 [[V4]], 8 10; CHECK-NEXT: [[V6:%.*]] = trunc i16 [[V5]] to i8 11; CHECK-NEXT: [[V7:%.*]] = sub i8 [[P]], [[V6]] 12; CHECK-NEXT: [[V8:%.*]] = lshr i8 [[V7]], 1 13; CHECK-NEXT: [[V13:%.*]] = add nuw i8 [[V8]], [[V6]] 14; CHECK-NEXT: [[V14:%.*]] = lshr i8 [[V13]], 7 15; CHECK-NEXT: ret i8 [[V14]] 16; 17entry: 18 %v3 = zext i8 %p to i16 19 %v4 = mul i16 %v3, 71 20 %v5 = lshr i16 %v4, 8 21 %v6 = trunc i16 %v5 to i8 22 %v7 = sub i8 %p, %v6 23 %v8 = lshr i8 %v7, 1 24 %v13 = add i8 %v6, %v8 25 %v14 = lshr i8 %v13, 7 26 ret i8 %v14 27} 28