https://bugs.llvm.org/show_bug.cgi?id=33393
Bug ID: 33393
Summary: loop-rotate doesn't handle catchret in the preheader
Product: new-bugs
Version: trunk
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: andrew.kay...@intel.com
CC: llvm-bugs@lists.llvm.org
If loop-rotate wants to rotate a loop whose pre-header ends with a catchret
instruction (Windows EH specific), it replaces the catchret with a branch.
This results in code generation errors.
The attached IR file can be used to reproduce the problem.
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