https://bugs.llvm.org/show_bug.cgi?id=46155
Bug ID: 46155
Summary: [LoopVectorizer] Assertion `Part < UF && "Queried
Vector Part is too large."' failed.
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Loop Optimizer
Assignee: unassignedb...@nondot.org
Reporter: pauls...@linux.vnet.ibm.com
CC: llvm-bugs@lists.llvm.org
Created attachment 23559
--> https://bugs.llvm.org/attachment.cgi?id=23559&action=edit
reduced testcase
opt -mtriple=s390x-linux-gnu -O3 tc_loopvec.ll
-tiny-trip-count-interleave-threshold=4 -vectorizer-min-trip-count=8
-unroll-full-max-count=1
Vectorize/VPlan.h:137: bool
llvm::VectorizerValueMap::hasVectorValue(llvm::Value*, unsigned int) const:
Assertion `Part < UF && "Queried Vector Part is too large."' failed.
...
#11 0x000002aa090fb0d2 llvm::InnerLoopVectorizer::fixCrossIterationPHIs()#11
0x000002aa090fb0d2 llvm::InnerLoopVectorizer::fixCrossIterationPHIs()
...
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