[TableGen] Use 'isa' to identify UnsetInits rather than comparing with the singleton object created by UnsetInit::get(). Makes it more consistent with the other types.
llvm-svn: 235465
diff --git a/llvm/lib/TableGen/Record.cpp b/llvm/lib/TableGen/Record.cpp
index 3374432..29217d7 100644
--- a/llvm/lib/TableGen/Record.cpp
+++ b/llvm/lib/TableGen/Record.cpp
@@ -517,7 +517,7 @@
// bits initializer will resolve into VarBitInit to keep the field name and bit
// number used in targets with fixed insn length.
static Init *fixBitInit(const RecordVal *RV, Init *Before, Init *After) {
- if (RV || After != UnsetInit::get())
+ if (RV || !isa<UnsetInit>(After))
return After;
return Before;
}
@@ -1961,7 +1961,7 @@
PrintFatalError(getLoc(), "Record `" + getName() +
"' does not have a field named `" + FieldName.str() + "'!\n");
- if (R->getValue() == UnsetInit::get()) {
+ if (isa<UnsetInit>(R->getValue())) {
Unset = true;
return false;
}