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[llvm-mca][UpdateTestChecks] Don't try to align blocks that have already been subject to alignment in update_mca_test_checks.py

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This fixes PR39466.

llvm-svn: 345499
This commit is contained in:
Greg Bedwell 2018-10-29 13:24:20 +00:00
parent dc0e1e6c1b
commit 8616ffdf42
1 changed files with 8 additions and 4 deletions
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12
utils/update_mca_test_checks.py
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@ -267,10 +267,14 @@ def _align_matching_blocks(all_blocks, farthest_indexes):
continue
changed = False
while(index < farthest_indexes[block]):
blocks.insert(index, '')
index += 1
changed = True
# If the block has not already been subject to alignment (i.e. if the
# previous block is not empty) then insert empty blocks until the index
# matches the farthest index identified for that block.
if (index > 0) and blocks[index - 1]:
while(index < farthest_indexes[block]):
blocks.insert(index, '')
index += 1
changed = True
if changed:
# Bail out. We'll need to re-do the farthest block analysis now that