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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NewPM] Failure to build SPEC17 (compiler hang)"
href="https://bugs.llvm.org/show_bug.cgi?id=49214">49214</a>
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<th>Summary</th>
<td>[NewPM] Failure to build SPEC17 (compiler hang)
</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>
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<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>
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<th>Component</th>
<td>Scalar Optimizations
</td>
</tr>
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<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=24544" name="attach_24544" title=".bc file (compressed tar file)">attachment 24544</a> <a href="attachment.cgi?id=24544&action=edit" title=".bc file (compressed tar file)">[details]</a></span>
.bc file (compressed tar file)
This file takes 10s with legacy-pass-manager, but does not terminate with new
PM:
clang-13 -cc1 -triple s390x-ibm-linux -S -save-temps=cwd -disable-free
-main-file-name rna_nodetree_gen.c -mrelocation-model static
-mframe-pointer=none -fmath-errno -fno-rounding-math -mconstructor-aliases
-target-cpu z14 -fno-split-dwarf-inlining -debugger-tuning=gdb -v -O3 -std=c99
-ferror-limit 19 -fno-signed-char -fgnuc-version=4.2.1 -fcolor-diagnostics
-vectorize-loops -vectorize-slp -faddrsig -o rna_nodetree_gen.s -x ir
rna_nodetree_gen.bc -fdebug-pass-manager &> out
There seems to be a set of loop passes running over and over on the same loop:
43 Running pass: SimpleLoopUnswitchPass on Loop at depth 1 containing:
%for.body<header><latch><exiting>
48 Running pass: LICMPass on Loop at depth 1 containing:
%for.body<header><latch><exiting>
249 Running pass: IndVarSimplifyPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: LoopDeletionPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: LoopFullUnrollPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: LoopIdiomRecognizePass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: LoopInstSimplifyPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: LoopRotatePass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: LoopSimplifyCFGPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
249 Running pass: SimpleLoopUnswitchPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
498 Running pass: LICMPass on Loop at depth 1 containing:
%land.rhs.i<header><exiting>,%while.body.i<latch><exiting>
498 times of LICMPass on same loop - 249 times for the others...?</pre>
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