JDK-8260924 : ARM32: TestSplitIfPinnedLoadInStripMinedLoop fails with "missed a node"
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 17
  • Priority: P4
  • Status: Closed
  • Resolution: Duplicate
  • Submitted: 2021-02-02
  • Updated: 2021-02-03
  • Resolved: 2021-02-03
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JDK 17
17Resolved
Related Reports
Duplicate :  
JDK-8260420 - C2 compilation fails with assert(found_sfpt) failed: no node in loop that's not input to safepoint
Relates :  
JDK-8249607 - C2: assert(!had_error) failed: bad dominance
Description
CONF=linux-arm-server-fastdebug make run-test TEST=compiler/loopopts/TestSplitIfPinnedLoadInStripMinedLoop.java 

#  Internal Error (/home/pi/jdk/src/hotspot/share/opto/loopopts.cpp:1770), pid=25790, tid=25806
#  assert((mode == ControlAroundStripMined && use == sfpt) || !use->is_reachable_from_root()) failed: missed a node: AddP

Added the debug printing that says the missing node is AddP. I can provide more debug info if needed.
Comments
Seems to be fixed by JDK-8260420: the changeset before it still fails, the changeset from 8260420 makes the test pass.
03-02-2021