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DebugInfo: Hash DW_FORM_GNU_str_index as a string.

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Found while adding type safety to the various DWARF enumerations (form,
attribute, tag, etc) that caused Clang to warn on an incompletely
covered switch. Converting the comment to a default/unreachable
uncovered this case of an unsupported form encoding. Seems we were
skipping fission strings entirely.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193089 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2013-10-21 16:37:22 +00:00
parent 0cfca3d7ac
commit da39dd30ad
2 changed files with 5 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/AsmPrinter/DIEHash.cpp
+3 -1
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@@ -230,6 +230,7 @@ void DIEHash::hashAttribute(AttrEntry Attr) {
case dwarf::DW_FORM_string:
llvm_unreachable(
"Add support for DW_FORM_string if we ever start emitting them again");
case dwarf::DW_FORM_GNU_str_index:
case dwarf::DW_FORM_strp:
addULEB128(dwarf::DW_FORM_string);
addString(cast<DIEString>(Value)->getString());
@@ -242,7 +243,8 @@ void DIEHash::hashAttribute(AttrEntry Attr) {
addULEB128(dwarf::DW_FORM_sdata);
addSLEB128((int64_t)cast<DIEInteger>(Value)->getValue());
break;
// TODO: Add support for additional forms.
default:
llvm_unreachable("Add support for additional forms");
}
}