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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Failed to run matmul.c example by follow "How to manually use the Individual pieces of Polly" at https://polly.llvm.org/docs/HowToManuallyUseTheIndividualPiecesOfPolly.html#execute-the-individual-polly-passes-manually"
href="https://bugs.llvm.org/show_bug.cgi?id=50524">50524</a>
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<tr>
<th>Summary</th>
<td>Failed to run matmul.c example by follow "How to manually use the Individual pieces of Polly" at https://polly.llvm.org/docs/HowToManuallyUseTheIndividualPiecesOfPolly.html#execute-the-individual-polly-passes-manually
</td>
</tr>
<tr>
<th>Product</th>
<td>Polly
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>polly-dev@googlegroups.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>haijunz@sina.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Root cause : if remove pre-uploaded intermidated files "rm *.ll; rm init*; rm
main*" . by follow "How to manually use the Individual pieces of Polly" at
<a href="https://polly.llvm.org/docs/HowToManuallyUseTheIndividualPiecesOfPolly.html#execute-the-individual-polly-passes-manually">https://polly.llvm.org/docs/HowToManuallyUseTheIndividualPiecesOfPolly.html#execute-the-individual-polly-passes-manually</a>.
reporduce:
(1) check env:
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ ls
*main*
main___%for.cond1.preheader---%for.end30.jscop
scops.main.dot
main___%for.cond1.preheader---%for.end30.jscop.interchanged
scops.main.dot.png
main___%for.cond1.preheader---%for.end30.jscop.interchanged+tiled
scopsonly.main.dot
main___%for.cond1.preheader---%for.end30.jscop.interchanged+tiled+vector
scopsonly.main.dot.png
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ ls
*init*
init_array___%for.cond1.preheader---%for.end19.jscop
init_array___%for.cond1.preheader---%for.end19.jscop.interchanged
init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled
init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled+vector
scops.init_array.dot
scops.init_array.dot.png
scopsonly.init_array.dot
scopsonly.init_array.dot.png
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ ls
*.ll
matmul.ll matmul.polly.interchanged+tiled.ll
matmul.preopt.ll
matmul.normalopt.ll matmul.polly.interchanged+tiled+vector.ll
matmul.polly.interchanged.ll matmul.polly.interchanged+tiled+vector+openmp.ll
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ rm
*.ll
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ rm
*init*
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ rm
*main*
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ ls
*int*
matmul.polly.interchanged.s scopsonly.print_array.dot
matmul.polly.interchanged+tiled.s scopsonly.print_array.dot.png
matmul.polly.interchanged+tiled+vector+openmp.s scops.print_array.dot
matmul.polly.interchanged+tiled+vector.s scops.print_array.dot.png
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ ls
*main*
ls: cannot access '*main*': No such file or directory
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ ls
*.ll
ls: cannot access '*.ll': No such file or directory
(2) follow "How to manually use the Individual pieces of Polly" at
<a href="https://polly.llvm.org/docs/HowToManuallyUseTheIndividualPiecesOfPolly.html#execute-the-individual-polly-passes-manually">https://polly.llvm.org/docs/HowToManuallyUseTheIndividualPiecesOfPolly.html#execute-the-individual-polly-passes-manually</a>
A: failed at: 4. Highlight the detected SCoPs in the CFGs of the program
(requires graphviz/dotty)
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ opt
-polly-use-llvm-names -basic-aa -view-scops -disable-output matmul.preopt.ll
opt: unknown pass name 'view-scops'
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ opt
-polly-use-llvm-names -basic-aa -view-scops-only -disable-output
matmul.preopt.ll
opt: unknown pass name 'view-scops-only'
B: failed at 8. Import the changed jscop files and print the updated SCoP
structure (optional)
Loop Interchange (and Fission to allow the interchange
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ opt
-basic-aa -polly-use-llvm-names matmul.preopt.ll -polly-import-jscop
-polly-import-jscop-postfix=interchanged -polly-ast -analyze
-polly-process-unprofitable
Printing analysis 'Basic Alias Analysis (stateless AA impl)' for function
'init_array':
Pass::print not implemented for pass: 'Basic Alias Analysis (stateless AA
impl)'!
Printing analysis 'Polly - Import Scops from JSON (Reads a .jscop file for each
Scop)' for region: 'for.body3 => for.inc17' in function 'init_array':
Printing analysis 'Polly - Generate an AST from the SCoP (isl)' for region:
'for.body3 => for.inc17' in function 'init_array':
Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from
'./init_array___%for.cond1.preheader---%for.end19.jscop.interchanged'.
File could not be read: No such file or directory
LLVM ERROR: Tried to import a malformed jscop file.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
.....
Interchange + Tiling
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ opt
-basic-aa -polly-use-llvm-names matmul.preopt.ll -polly-import-jscop
-polly-import-jscop-postfix=interchanged+tiled -polly-ast -analyze
-polly-process-unprofitable
Printing analysis 'Basic Alias Analysis (stateless AA impl)' for function
'init_array':
Pass::print not implemented for pass: 'Basic Alias Analysis (stateless AA
impl)'!
Printing analysis 'Polly - Import Scops from JSON (Reads a .jscop file for each
Scop)' for region: 'for.body3 => for.inc17' in function 'init_array':
Printing analysis 'Polly - Generate an AST from the SCoP (isl)' for region:
'for.body3 => for.inc17' in function 'init_array':
Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from
'./init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled'.
File could not be read: No such file or directory
LLVM ERROR: Tried to import a malformed jscop file.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
.....
Interchange + Tiling + Strip-mining to prepare vectorization
(base) haijunz3@haijunz3:~/polly/llvm_git/polly/docs/experiments/matmul$ opt
-basic-aa -polly-use-llvm-names matmul.preopt.ll -polly-import-jscop
-polly-import-jscop-postfix=interchanged+tiled -polly-ast -analyze
-polly-process-unprofitable
Printing analysis 'Basic Alias Analysis (stateless AA impl)' for function
'init_array':
Pass::print not implemented for pass: 'Basic Alias Analysis (stateless AA
impl)'!
Printing analysis 'Polly - Import Scops from JSON (Reads a .jscop file for each
Scop)' for region: 'for.body3 => for.inc17' in function 'init_array':
Printing analysis 'Polly - Generate an AST from the SCoP (isl)' for region:
'for.body3 => for.inc17' in function 'init_array':
Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from
'./init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled'.
File could not be read: No such file or directory
LLVM ERROR: Tried to import a malformed jscop file.
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: opt -basic-aa -polly-use-llvm-names matmul.preopt.ll
-polly-import-jscop -polly-import-jscop-postfix=interchanged+tiled -polly-ast
-analyze -polly-process-unprofitable
1. Running pass 'Function Pass Manager' on module 'matmul.preopt.ll'.
2. Running pass 'Region Pass Manager' on function '@init_array'
3. Running pass 'Polly - Import Scops from JSON (Reads a .jscop file for
each Scop)' on basic block '%for.cond1.preheader'
.....
so cannot move to 9. Codegenerate the SCoPs</pre>
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