https://llvm.org/bugs/show_bug.cgi?id=30424
Bug ID: 30424
Summary: Formula is illegal assert in LoopStrengthReduced
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Support Libraries
Assignee: unassignedb...@nondot.org
Reporter: matthew.arsena...@amd.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Created attachment 17291
--> https://llvm.org/bugs/attachment.cgi?id=17291&action=edit
Bugpoint reduced testcase
This testcase hits:
llc: ../lib/Transforms/Scalar/LoopStrengthReduce.cpp:3068: bool (anonymous
namespace)::LSRInstance::InsertFormula((anonymous namespace)::LSRUse &,
unsigned int, const (anonymous namespace)::Formula &): Assertion
`isLegalUse(TTI, LU.MinOffset, LU.MaxOffset, LU.Kind, LU.AccessTy, F) &&
"Formula is illegal"' failed.
Reproduce with llc lsr-crash-reduced.ll
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