https://bugs.llvm.org/show_bug.cgi?id=43091
Bug ID: 43091
Summary: lldb very slow single stepping rep stosb
Product: lldb
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: All Bugs
Assignee: lldb-dev@lists.llvm.org
Reporter: nty...@qq.com
CC: jdevliegh...@apple.com, llvm-b...@lists.llvm.org
When single stepping the asm instructions, I find lldb very slow when
encountering a (large) rep stosb.
The debugger essentially hung.
While I can use Ctrl-C to break the program into debugger, I still can't
continue debugging, because even I put a breakpoint on the next instruction,
and use the "c" command, it is still very slow.
However, if I don't try to single step the rep instruction, and directly put a
breakpoint on the next instruction and use "c", it's way faster.
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