forked from OSchip/llvm-project
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
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#!/usr/bin/env python
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# Given a -print-before-all -print-module-scope log from an opt invocation,
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# chunk it into a series of individual IR files, one for each pass invocation.
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# If the log ends with an obvious stack trace, try to split off a separate
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# "crashinfo.txt" file leaving only the valid input IR in the last chunk.
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# Files are written to current working directory.
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import sys
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basename = "chunk-"
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chunk_id = 0
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def print_chunk(lines):
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global chunk_id
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global basename
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fname = basename + str(chunk_id) + ".ll"
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chunk_id = chunk_id + 1
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print "writing chunk " + fname + " (" + str(len(lines)) + " lines)"
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with open(fname, "w") as f:
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f.writelines(lines)
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is_dump = False
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cur = []
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for line in sys.stdin:
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if line.startswith("*** IR Dump Before ") and len(cur) != 0:
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print_chunk(cur);
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cur = []
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cur.append("; " + line)
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elif line.startswith("Stack dump:"):
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print_chunk(cur);
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cur = []
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cur.append(line)
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is_dump = True
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else:
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cur.append(line)
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if is_dump:
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print "writing crashinfo.txt (" + str(len(cur)) + " lines)"
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with open("crashinfo.txt", "w") as f:
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f.writelines(cur)
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else:
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print_chunk(cur);
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