<div dir="ltr">What is the meaning of a $ sign in tablgen? Here is an example<div><br></div><div><br></div><div><table class="" style="border-collapse:collapse;border-spacing:0px;color:rgb(51,51,51);font-family:Helvetica,arial,nimbussansl,liberationsans,freesans,clean,sans-serif,'Apple Color Emoji','Segoe UI Emoji','Segoe UI Symbol';font-size:13px;line-height:18.2px"><tbody><tr><td id="LC117" class="" style="padding:0px 10px;vertical-align:top;overflow:visible;word-wrap:normal">// Pattern fragments<br>def vextract_sext_i8 : PatFrag<(ops node:$vec, node:$idx),<br>                                              (MipsVExtractSExt node:$vec, node:$idx, i8)>;<br><br></td></tr></tbody></table><div>Taken from</div><div><br></div><div><a href="https://github.com/llvm-mirror/llvm/blob/fd031a51c35d1781c066a42e221a7ae28610be3f/lib/Target/Mips/MipsMSAInstrInfo.td#L118">https://github.com/llvm-mirror/llvm/blob/fd031a51c35d1781c066a42e221a7ae28610be3f/lib/Target/Mips/MipsMSAInstrInfo.td#L118</a><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div>Rail Shafigulin<br></div>Software Engineer <br>Esencia Technologies<br></div></div></div></div>
</div></div></div>