https://bugs.llvm.org/show_bug.cgi?id=40749
Bug ID: 40749
Summary: [MemSSA] Assertion "Should have dominated the new
access"' failed.
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Scalar Optimizations
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 21485
--> https://bugs.llvm.org/attachment.cgi?id=21485&action=edit
reduced testcase
opt -mtriple=systemz-unknown -mcpu=z13 tc_mssa_dom_access.ll -O3 -S -o
out.opt.ll -enable-mssa-loop-dependency
lib/Analysis/MemorySSAUpdater.cpp:369: void
llvm::MemorySSAUpdater::fixupDefs(const llvm::SmallVectorImpl<llvm::WeakVH>&):
Assertion `MSSA->dominates(NewDef, FirstDef) && "Should have dominated the new
access"' failed.
Stack dump:
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