Keep track of *which* input constraint matches an output
constraint. Reject asms where an output has multiple
input constraints tied to it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57687 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 664e06d..479e138 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1962,9 +1962,9 @@
//===----------------------------------------------------------------------===//
// Constraint Selection.
-/// isMatchingConstraint - Return true of this is an input operand that is a
-/// matching constraint like "4".
-bool TargetLowering::AsmOperandInfo::isMatchingConstraint() const {
+/// isMatchingInputConstraint - Return true of this is an input operand that is
+/// a matching constraint like "4".
+bool TargetLowering::AsmOperandInfo::isMatchingInputConstraint() const {
assert(!ConstraintCode.empty() && "No known constraint!");
return isdigit(ConstraintCode[0]);
}