1; RUN: llc < %s -mtriple thumbv7 | FileCheck %s 2 3; ModuleID = 'bugpoint-reduced-simplified.bc' 4define hidden void @bn_mul_comba8(i32* nocapture %r, i32* nocapture readonly %a, i32* nocapture readonly %b) local_unnamed_addr { 5entry: 6; This test is actually checking that no cycle is introduced but at least we 7; want to see a couple of umull and one umlal in the output 8; CHECK: umull 9; CHECK: umull 10; CHECK: umlal 11 %0 = load i32, i32* %a, align 4 12 %conv = zext i32 %0 to i64 13 %1 = load i32, i32* %b, align 4 14 %conv2 = zext i32 %1 to i64 15 %mul = mul nuw i64 %conv2, %conv 16 %shr = lshr i64 %mul, 32 17 %2 = load i32, i32* %a, align 4 18 %conv13 = zext i32 %2 to i64 19 %3 = load i32, i32* undef, align 4 20 %conv15 = zext i32 %3 to i64 21 %mul16 = mul nuw i64 %conv15, %conv13 22 %add18 = add i64 %mul16, %shr 23 %shr20 = lshr i64 %add18, 32 24 %conv21 = trunc i64 %shr20 to i32 25 %4 = load i32, i32* undef, align 4 26 %conv34 = zext i32 %4 to i64 27 %5 = load i32, i32* %b, align 4 28 %conv36 = zext i32 %5 to i64 29 %mul37 = mul nuw i64 %conv36, %conv34 30 %conv38 = and i64 %add18, 4294967295 31 %add39 = add i64 %mul37, %conv38 32 %shr41 = lshr i64 %add39, 32 33 %conv42 = trunc i64 %shr41 to i32 34 %add43 = add i32 %conv42, %conv21 35 %cmp44 = icmp ult i32 %add43, %conv42 36 %c1.1 = zext i1 %cmp44 to i32 37 %add65 = add i32 0, %c1.1 38 %add86 = add i32 %add65, 0 39 %add107 = add i32 %add86, 0 40 %conv124 = zext i32 %add107 to i64 41 %add125 = add i64 0, %conv124 42 %conv145 = and i64 %add125, 4294967295 43 %add146 = add i64 %conv145, 0 44 %conv166 = and i64 %add146, 4294967295 45 %add167 = add i64 %conv166, 0 46 %conv187 = and i64 %add167, 4294967295 47 %add188 = add i64 %conv187, 0 48 %conv189 = trunc i64 %add188 to i32 49 %arrayidx200 = getelementptr inbounds i32, i32* %r, i32 3 50 store i32 %conv189, i32* %arrayidx200, align 4 51 ret void 52} 53 54