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-rw-r--r--lib/CodeGen/SelectionDAG/TargetLowering.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 7436c1747a..7433a79f9f 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1852,7 +1852,10 @@ TargetLowering::getConstraintType(const std::string &Constraint) const {
return C_Other;
}
}
- // TODO: Handle registers.
+
+ if (Constraint.size() > 1 && Constraint[0] == '{' &&
+ Constraint[Constraint.size()-1] == '}')
+ return C_Register;
return C_Unknown;
}