http://llvm.org/bugs/show_bug.cgi?id=9879
Summary: SelectionDAGBuilder does not preserve debug
information attached to phi nodes
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: release blocker
Priority: P
Component: Common Code Generator Code
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=6562)
--> (http://llvm.org/bugs/attachment.cgi?id=6562)
bitcode file that causes debug information to get dropped.
The attached bitcode file looses debug information when it is run through any
backend. The variables gid and tid do not show up in the dwarf information and
are dropped in the function visitIntrinsicCall when visiting a
Instrinsic::dbg_value node that is referencing a PHINode.
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