1 ; RUN: llc -mtriple=thumb-eabi -mattr=+v7,+thumb2 %s -o - | FileCheck %s 2 3 define i8 @f1(i8* %call1, i8* %call3, i32 %h, i32 %w, i32 %Width) { 4 ; CHECK: f1: 5 entry: 6 %mul17 = mul nsw i32 %Width, %h 7 %add = add nsw i32 %mul17, %w 8 %sub19 = sub i32 %add, %Width 9 %sub20 = add i32 %sub19, -1 10 %arrayidx21 = getelementptr inbounds i8, i8* %call1, i32 %sub20 11 %0 = load i8, i8* %arrayidx21, align 1 12 %conv22 = zext i8 %0 to i32 13 %arrayidx25 = getelementptr inbounds i8, i8* %call1, i32 %sub19 14 %1 = load i8, i8* %arrayidx25, align 1 15 %conv26 = zext i8 %1 to i32 16 %mul23189 = add i32 %conv26, %conv22 17 %add30 = add i32 %sub19, 1 18 %arrayidx31 = getelementptr inbounds i8, i8* %call1, i32 %add30 19 %2 = load i8, i8* %arrayidx31, align 1 20 %conv32 = zext i8 %2 to i32 21 ; CHECK: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #-1] 22 ; CHECK-NEXT: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #1] 23 %add28190 = add i32 %mul23189, %conv32 24 %sub35 = add i32 %add, -1 25 %arrayidx36 = getelementptr inbounds i8, i8* %call1, i32 %sub35 26 %3 = load i8, i8* %arrayidx36, align 1 27 %conv37 = zext i8 %3 to i32 28 %add34191 = add i32 %add28190, %conv37 29 %arrayidx40 = getelementptr inbounds i8, i8* %call1, i32 %add 30 %4 = load i8, i8* %arrayidx40, align 1 31 %conv41 = zext i8 %4 to i32 32 %mul42 = mul nsw i32 %conv41, 255 33 %add44 = add i32 %add, 1 34 %arrayidx45 = getelementptr inbounds i8, i8* %call1, i32 %add44 35 %5 = load i8, i8* %arrayidx45, align 1 36 %conv46 = zext i8 %5 to i32 37 ; CHECK: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #-1] 38 ; CHECK-NEXT: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #1] 39 %add49 = add i32 %add, %Width 40 %sub50 = add i32 %add49, -1 41 %arrayidx51 = getelementptr inbounds i8, i8* %call1, i32 %sub50 42 %6 = load i8, i8* %arrayidx51, align 1 43 %conv52 = zext i8 %6 to i32 44 %arrayidx56 = getelementptr inbounds i8, i8* %call1, i32 %add49 45 %7 = load i8, i8* %arrayidx56, align 1 46 %conv57 = zext i8 %7 to i32 47 %add61 = add i32 %add49, 1 48 %arrayidx62 = getelementptr inbounds i8, i8* %call1, i32 %add61 49 %8 = load i8, i8* %arrayidx62, align 1 50 %conv63 = zext i8 %8 to i32 51 ; CHECK: ldrb r{{[0-9]*}}, [r{{[0-9]*}}, #-1] 52 ; CHECK-NEXT: ldrb{{[.w]*}} r{{[0-9]*}}, [r{{[0-9]*}}, #1] 53 %tmp = add i32 %add34191, %conv46 54 %tmp193 = add i32 %tmp, %conv52 55 %tmp194 = add i32 %tmp193, %conv57 56 %tmp195 = add i32 %tmp194, %conv63 57 %tmp196 = mul i32 %tmp195, -28 58 %add65 = add i32 %tmp196, %mul42 59 %9 = lshr i32 %add65, 8 60 %conv68 = trunc i32 %9 to i8 61 %arrayidx69 = getelementptr inbounds i8, i8* %call3, i32 %add 62 store i8 %conv68, i8* %arrayidx69, align 1 63 ret i8 %conv68 64 } 65
