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Quick update: If I add an output register, the assertion goes away.</div>
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<span style="font-family: "Courier New", monospace, serif, EmojiFont">def ASTI: F<0b100001,<b>(outs CPURegs:$ra)</b>,(ins i32imm:$i10s),"<span>ASTI</span> $i10s",[(set
<b>CPURegs:$ra</b>, (i32 (add (i32 SP), (i32 sex</span><span><span style="font-family: "Courier New", monospace, serif, EmojiFont">t12To32Trunc2imm:$i10s))))] > {</span><span><br>
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Why can't this instruction be without output register?<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> m m<br>
<b>Sent:</b> Saturday, January 12, 2019 1:58 PM<br>
<b>To:</b> via llvm-dev<br>
<b>Subject:</b> "Didn't provide enough results" assertion</font>
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<span>Hi,</span></div>
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<span>I am getting this assertion when building my project: `Ops.size() >= NumSrcResults && "Didn't provide enough results"'<br>
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<span>this is the instruction that causes it:<br>
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<span style="font-family:"Courier New",monospace">def ASTI: F<0b100001,(outs),(ins i32imm:$i10s),"<span style="font-family:"Courier New",monospace">ASTI</span> $i10s",[(set SP, (i32 (add (i32 SP), (i32 sex</span><span><span style="font-family:"Courier New",monospace">t12To32Trunc2imm:$i10s))))]
> {</span><span><br>
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<div><span style="font-family:"Courier New",monospace"> let isReMaterializable = 1;</span><br>
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<div><span style="font-family:"Courier New",monospace"> let mayLoad = 0;</span><br>
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<div><span style="font-family:"Courier New",monospace"> let mayStore = 0;</span><br>
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<div><span style="font-family:"Courier New",monospace"> let Defs = [SP];</span><br>
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<div><span style="font-family:"Courier New",monospace"> let Uses = [SP];</span><br>
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<div><span style="font-family:"Courier New",monospace">}</span></div>
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<div>I've been staring at it for a while and can't identify what the problem is. It is supposed to add an immediate to the SP and store the result back in SP (i.e. SP = SP + i10s). When I print
<span>Ops.size() and NumSrcResults</span>, I get 0 and 2</div>
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<div>Thanks.<br>
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<span></span><br>
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