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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - llvm-stress causes type legalizer to crash"
href="https://bugs.llvm.org/show_bug.cgi?id=32275">32275</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>llvm-stress causes type legalizer to crash
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
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<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>Common Code Generator Code
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>paulsson@linux.vnet.ibm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=18094" name="attach_18094" title="test case">attachment 18094</a> <a href="attachment.cgi?id=18094&action=edit" title="test case">[details]</a></span>
test case
Optimized lowered selection DAG: BB#4 'autogen_SD29574:CF34'
electionDAG has 46 nodes:
t0: ch = EntryToken
t17: v16i8,ch = CopyFromReg t0, Register:v16i8 %vreg13
t18: v4i8 = extract_subvector t17, Constant:i32<0>
t36: v2i64,ch = CopyFromReg t0, Register:v2i64 %vreg5
t38: v2i64,ch = CopyFromReg t36:1, Register:v2i64 %vreg6
t40: v2i64,ch = CopyFromReg t38:1, Register:v2i64 %vreg7
t42: v2i64,ch = CopyFromReg t40:1, Register:v2i64 %vreg8
t44: v2i64,ch = CopyFromReg t42:1, Register:v2i64 %vreg9
t46: v2i64,ch = CopyFromReg t44:1, Register:v2i64 %vreg10
t48: v2i64,ch = CopyFromReg t46:1, Register:v2i64 %vreg11
t2: v8i16 = BUILD_VECTOR Constant:i16<0>, Constant:i16<0>,
Constant:i16<0>, Constant:i16<0>, Constant:i16<0>, Constant:i16<0>, Constant:i
16<0>, Constant:i16<0>
t5: ch = CopyToReg t0, Register:v8i16 %vreg16, t2
t59: v4i32 = any_extend t18
t22: ch = CopyToReg t0, Register:v4i32 %vreg17, t59
t50: v2i64,ch = CopyFromReg t48:1, Register:v2i64 %vreg12
t51: v16i64 = concat_vectors t36, t38, t40, t42, t44, t46, t48, t50
t31: i64,ch = CopyFromReg t0, Register:i64 %vreg4
t52: ch = store<ST128[%Sl9]> t0, t51, t31, undef:i64
t55: ch = TokenFactor t5, t22, t52
t19: v4i1 = truncate t18
t26: v4i32,ch = CopyFromReg t0, Register:v4i32 %vreg14
t27: v4i1 = truncate t26
t29: v4i1 = setcc t19, t27, setlt:ch
t53: i1 = extract_vector_elt t29, Constant:i32<3>
t56: ch = brcond t55, t53, BasicBlock:ch<CF34 0x55692e8>
t58: ch = br t56, BasicBlock:ch<CF36 0x5569398>
DAGTypeLegalizer::PromoteIntRes_TRUNCATE(t19) crashes, as it should be widened
on SystemZ, and this method won't do that.
Why does this end up here?
bin/llc -mtriple=s390x-linux-gnu -mcpu=z13</pre>
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