https://bugs.llvm.org/show_bug.cgi?id=45792
Bug ID: 45792
Summary: Provide cross-basic block dead store elimination
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: florian_h...@apple.com
CC: llvm-bugs@lists.llvm.org
The current Dead Store Elimination pass in LLVM eliminates stores in a single
BB only.
A new implementation of DSE using MemorySSA is currently in progress, with the
first patches already landed (https://reviews.llvm.org/rG81dbb6aec626,
https://reviews.llvm.org/rG3a8372ed02ab)
This bug is an umbrella for tasks blocking making the MemorySSA backed DSE the
default
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