[cxx-interop] Add support for percent, ampersand, and pipe operators.

Adds support for three more basic infix operators: `%`, `&`, and `|`.

Author: zoecarver

lib/ClangImporter/ImportName.cpp

@@ -1423,6 +1423,9 @@ ImportedName NameImporter::importNameImpl(const clang::NamedDecl *D,
     case clang::OverloadedOperatorKind::OO_Minus:
     case clang::OverloadedOperatorKind::OO_Star:
     case clang::OverloadedOperatorKind::OO_Slash:
+    case clang::OverloadedOperatorKind::OO_Percent:
+    case clang::OverloadedOperatorKind::OO_Amp:
+    case clang::OverloadedOperatorKind::OO_Pipe:
       if (auto FD = dyn_cast<clang::FunctionDecl>(D)) {
         baseName = clang::getOperatorSpelling(op);
         isFunction = true;

test/Interop/Cxx/operators/Inputs/non-member-inline.h

@@ -21,6 +21,18 @@ inline IntBox operator/(IntBox lhs, IntBox rhs) {
   return IntBox{.value = lhs.value / rhs.value};
 }
 
+inline IntBox operator%(IntBox lhs, IntBox rhs) {
+  return IntBox{.value = lhs.value % rhs.value};
+}
+
+inline IntBox operator&(IntBox lhs, IntBox rhs) {
+  return IntBox{.value = lhs.value & rhs.value};
+}
+
+inline IntBox operator|(IntBox lhs, IntBox rhs) {
+  return IntBox{.value = lhs.value | rhs.value};
+}
+
 // Make sure that we don't crash on templated operators
 template<typename T> struct S {};
 template<typename T> S<T> operator+(S<T> lhs, S<T> rhs);

test/Interop/Cxx/operators/non-member-inline-module-interface.swift

@@ -4,3 +4,6 @@
 // CHECK-NEXT: func - (lhs: IntBox, rhs: IntBox) -> IntBox
 // CHECK-NEXT: func * (lhs: IntBox, rhs: IntBox) -> IntBox
 // CHECK-NEXT: func / (lhs: IntBox, rhs: IntBox) -> IntBox
+// CHECK-NEXT: func % (lhs: IntBox, rhs: IntBox) -> IntBox
+// CHECK-NEXT: func & (lhs: IntBox, rhs: IntBox) -> IntBox
+// CHECK-NEXT: func | (lhs: IntBox, rhs: IntBox) -> IntBox

test/Interop/Cxx/operators/non-member-inline-typechecker.swift

@@ -9,3 +9,6 @@ let resultPlus = lhs + rhs
 let resultMinus = lhs - rhs
 let resultStar = lhs * rhs
 let resultSlash = lhs / rhs
+let resultPercent = lhs % rhs
+let resultAmp = lhs & rhs
+let resultPipe = lhs | rhs

test/Interop/Cxx/operators/non-member-inline.swift

@@ -43,4 +43,31 @@ OperatorsTestSuite.test("slash") {
   expectEqual(1, result.value)
 }
 
+OperatorsTestSuite.test("percent") {
+  let lhs = IntBox(value: 11)
+  let rhs = IntBox(value: 2)
+
+  let result = lhs % rhs
+
+  expectEqual(1, result.value)
+}
+
+OperatorsTestSuite.test("amp") {
+  let lhs = IntBox(value: 6)
+  let rhs = IntBox(value: 5)
+
+  let result = lhs & rhs
+
+  expectEqual(4, result.value)
+}
+
+OperatorsTestSuite.test("pipe") {
+  let lhs = IntBox(value: 6)
+  let rhs = IntBox(value: 5)
+
+  let result = lhs | rhs
+
+  expectEqual(7, result.value)
+}
+
 runAllTests()