https://bugs.llvm.org/show_bug.cgi?id=35770
Bug ID: 35770
Summary: running clang -g on a text-format LLVM IR input should
add debug information
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: LLVM Codegen
Assignee: unassignedclangb...@nondot.org
Reporter: richard-l...@metafoo.co.uk
CC: llvm-bugs@lists.llvm.org
$ clang -g foo.ll
... should add debug information, pointing back to the .ll file, in the same
way that
$ clang -g foo.s
... already adds debug information pointing back to the relevant line in the .s
file. This would make it possible to perform "source"-level single-step
debugging through llvm IR in the user's debugger of choice. (And for
optimizations that properly preserve debug information, would allow a limited
amount of mapping from optimized IR back into the original IR.)
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