[llvm-bugs] [Bug 40462] New: Missing DW_OP_piece from DW_OP_LLVM_fragment

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Jan 25 06:17:54 PST 2019


            Bug ID: 40462
           Summary: Missing DW_OP_piece from DW_OP_LLVM_fragment
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: markus.lavin at ericsson.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Created attachment 21384
  --> https://bugs.llvm.org/attachment.cgi?id=21384&action=edit
The input

The input in dbg.opt.ll describes DW_OP_LLVM_fragment for a total of 32 bits
but after running through llc there are only DW_OP_piece corresponding to 16
bits in the assembly.

llc -O0 dbg.opt.ll -o dbg.s

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