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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [AVX512] Cannot select: 0x7fd69c057070: v16i1 = X86ISD::PCMPEQ"
href="http://llvm.org/bugs/show_bug.cgi?id=20699">20699</a>
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<tr>
<th>Summary</th>
<td>[AVX512] Cannot select: 0x7fd69c057070: v16i1 = X86ISD::PCMPEQ
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>matt@pharr.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=12915" name="attach_12915" title="test case">attachment 12915</a> <a href="attachment.cgi?id=12915&action=edit" title="test case">[details]</a></span>
test case
With the attached test case (and LLVM top of tree), I get the following crash:
% llc -mcpu=knl bugpoint-reduced-simplified.ll -o /dev/null
LLVM ERROR: Cannot select: 0x7fd69c057070: v16i1 = X86ISD::PCMPEQ
0x7fd69c081738, 0x7fd69c056b48 [ORD=9] [ID=42]
0x7fd69c081738: v16i1 = and 0x7fd69c052928, 0x7fd69c056b48 [ORD=8] [ID=41]
0x7fd69c052928: v16i1 = X86ISD::CMPM 0x7fd69c081528, 0x7fd69c04b440,
0x7fd69c080108 [ORD=7] [ID=38]
0x7fd69c081528: v16f32 = X86ISD::VBROADCAST 0x7fd69c056200 [ORD=7]
[ID=35]
0x7fd69c056200: f32,ch = load 0x7fd69bc30d10, 0x7fd69c056c50,
0x7fd69c080630<LD4[ConstantPool]> [ORD=7] [ID=29]
0x7fd69c056c50: i64 = X86ISD::WrapperRIP 0x7fd69c055d58 [ID=24]
0x7fd69c055d58: i64 = TargetConstantPool<float 0x3EB0C6F7A0000000>
0 [ID=18]
0x7fd69c080630: i64 = undef [ID=16]
0x7fd69c04b440: v16f32 = bitcast 0x7fd69c080738 [ORD=6] [ID=37]
0x7fd69c080738: v16i32 = and 0x7fd69c056938, 0x7fd69c04ba70 [ORD=5]
[ID=36]
0x7fd69c056938: v16i32 = bitcast 0x7fd69c080a50 [ORD=4] [ID=31]
0x7fd69c080a50: v16f32 = fsub 0x7fd69c081000, 0x7fd69c04af18
[ORD=3] [ID=26]
0x7fd69c081000: v16f32,ch = CopyFromReg 0x7fd69bc30d10,
0x7fd69c081948 [ORD=1] [ID=20]
0x7fd69c081948: v16f32 = Register %vreg7 [ID=2]
0x7fd69c04af18: v16f32,ch = CopyFromReg 0x7fd69bc30d10,
0x7fd69c056728 [ORD=1] [ID=21]
0x7fd69c056728: v16f32 = Register %vreg8 [ID=3]
0x7fd69c04ba70: v16i32 = X86ISD::VBROADCAST 0x7fd69c052d48 [ORD=5]
[ID=34]
0x7fd69c052d48: i32,ch = load 0x7fd69bc30d10, 0x7fd69c055e60,
0x7fd69c080630<LD4[ConstantPool]> [ORD=5] [ID=28]
0x7fd69c055e60: i64 = X86ISD::WrapperRIP 0x7fd69c055938 [ID=23]
0x7fd69c055938: i64 = TargetConstantPool<i32 2147483647> 0
[ID=17]
0x7fd69c080630: i64 = undef [ID=16]
0x7fd69c080108: i8 = Constant<6> [ID=13]
0x7fd69c056b48: v16i1 = bitcast 0x7fd69c04b338 [ORD=2] [ID=33]
0x7fd69c04b338: i16 = truncate 0x7fd69c081c60 [ORD=1] [ID=27]
0x7fd69c081c60: i32,ch = CopyFromReg 0x7fd69bc30d10, 0x7fd69c04b650
[ORD=1] [ID=22]
0x7fd69c04b650: i32 = Register %vreg9 [ID=4]
0x7fd69c056b48: v16i1 = bitcast 0x7fd69c04b338 [ORD=2] [ID=33]
0x7fd69c04b338: i16 = truncate 0x7fd69c081c60 [ORD=1] [ID=27]
0x7fd69c081c60: i32,ch = CopyFromReg 0x7fd69bc30d10, 0x7fd69c04b650
[ORD=1] [ID=22]
0x7fd69c04b650: i32 = Register %vreg9 [ID=4]
In function: ok___vyfvyf</pre>
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