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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Binary built with `-flto` errors on ARM"
href="https://llvm.org/bugs/show_bug.cgi?id=27440">27440</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Binary built with `-flto` errors on ARM
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
<tr>
<th>Version</th>
<td>3.8
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</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>TableGen
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>tulipawn@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Even though I could probably point to the cause of the problem, namely building
with gcc 5.3.0 and -flto, it's still possible the newer gcc has exposed a bug
in tblgen:
llvm[4]: Building PPC.td instruction information with tblgen
/arm-unknown-linux-gnueabihf/llvm/Release/bin/llvm-tblgen -I
/src/llvm/lib/Target/PowerPC -I /src/llvm/include -I /src/llvm/include -I
/src/llvm/lib/Target -gen-instr-info -o
/arm-unknown-linux-gnueabihf/llvm/lib/Target/PowerPC/Release/PPCGenInstrInfo.inc.tmp
/src/llvm/lib/Target/PowerPC/PPC.td
Included from /src/llvm/lib/Target/PowerPC/PPC.td:253:
Included from /src/llvm/lib/Target/PowerPC/PPCInstrInfo.td:2817:
/src/llvm/lib/Target/PowerPC/PPCInstrHTM.td:96:1: error: pattern has side
effects, but hasSideEffects isn't set on the output instructions
def : Pat<(int_ppc_tbegin i32:$R),
^
Included from /src/llvm/lib/Target/PowerPC/PPC.td:253:
/src/llvm/lib/Target/PowerPC/PPCInstrInfo.td:1928:1: error: defined here
def XORI : DForm_4<26, (outs gprc:$dst), (ins gprc:$src1, u16imm:$src2),
^
Included from /src/llvm/lib/Target/PowerPC/PPC.td:16:
/src/llvm/include/llvm/Target/Target.td:798:1: error: defined here
def EXTRACT_SUBREG : Instruction {
^
Included from /src/llvm/lib/Target/PowerPC/PPC.td:253:
Included from /src/llvm/lib/Target/PowerPC/PPCInstrInfo.td:2814:
/src/llvm/lib/Target/PowerPC/PPCInstr64Bit.td:1157:1: error: inferred from
pattern
def : Pat<(i32 (trunc i64:$in)),
^
Included from /src/llvm/lib/Target/PowerPC/PPC.td:253:
Included from /src/llvm/lib/Target/PowerPC/PPCInstrInfo.td:2817:
/src/llvm/lib/Target/PowerPC/PPCInstrHTM.td:30:1: error: defined here
def TBEGIN : XForm_htm0 <31, 654,
^
error:Errors in DAG patterns</pre>
</div>
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