https://bugs.llvm.org/show_bug.cgi?id=35374
Bug ID: 35374
Summary: SubRange join failure with odd SubRange segments
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Register Allocator
Assignee: unassignedb...@nondot.org
Reporter: david.stutt...@amd.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19453
--> https://bugs.llvm.org/attachment.cgi?id=19453&action=edit
llvm-ir based reproducer for the bug
Another SubRange join failure. Distinct from others already reported (as far as
I can tell).
See bug 35373, bug 33524, bug 33152 and bug 32773 for details of the others.
Attached is a reproducer - transforming this to .mir doesn't work as it no
longer provokes the problem so it's a .ll instead
Initial investigation seems to suggest this is probably due to SubRanges having
Segments of the form [1234r, 1234d:0) as in other cases (just in a different
place).
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