https://bugs.llvm.org/show_bug.cgi?id=47496
Bug ID: 47496
Summary: Regression in use of conditional unreachable's in LLVM
Product: libraries
Version: trunk
Hardware: All
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Global Analyses
Assignee: unassignedb...@nondot.org
Reporter: curde...@gmail.com
CC: llvm-bugs@lists.llvm.org
That's a regression of the issue fixed in #810, as commented there:
https://bugs.llvm.org/show_bug.cgi?id=810#c15.
It seems that the current trunk version of clang (as of 2020-09-02) does not
optimize away the call to f1 in test2 (nb. clang 9 and 10 did optimize it).
See: https://godbolt.org/z/YK13j1.
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