https://llvm.org/bugs/show_bug.cgi?id=30231
Bug ID: 30231
Summary: __builtin_dwarf_cfa suspect on ARM
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: ARM
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Please see:
https://llvm.org/bugs/show_bug.cgi?id=26761#c3
and:
https://llvm.org/bugs/show_bug.cgi?id=26761#c4
But, in short, it looks like ARM probably needs to lower __builtin_dwarf_cfa
like Mips and PowerPC do (by lowering ISD::EH_DWARF_CFA directly), and not
using the default x86-inspired method. See r280350.
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