Provide manglings for bool and character literal expressions. These are

just integer-literal expressions with special case implementations in the AST.

Fixes rdar://problem/7825453.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100905 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 22 insertions, 0 deletions

diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index a29841d02b..649e848c99 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -1488,6 +1488,19 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
     break;
   }
 
+  case Expr::CharacterLiteralClass:
+    Out << "L";
+    mangleType(E->getType());
+    Out << cast<CharacterLiteral>(E)->getValue();
+    Out << 'E';
+    break;
+
+  case Expr::CXXBoolLiteralExprClass:
+    Out << "Lb";
+    Out << (cast<CXXBoolLiteralExpr>(E)->getValue() ? '1' : '0');
+    Out << 'E';
+    break;
+
   case Expr::IntegerLiteralClass:
     mangleIntegerLiteral(E->getType(),
                          llvm::APSInt(cast<IntegerLiteral>(E)->getValue()));
diff --git a/test/CodeGenCXX/mangle.cpp b/test/CodeGenCXX/mangle.cpp
index ad57c199c4..8f3d356848 100644
--- a/test/CodeGenCXX/mangle.cpp
+++ b/test/CodeGenCXX/mangle.cpp
@@ -468,3 +468,12 @@ namespace test9 {
     f<int, bar>( 0);
   }
 }
+
+// <rdar://problem/7825453>
+namespace test10 {
+  template <char P1> struct S {};
+  template <char P2> void f(struct S<false ? 'a' : P2> ) {}
+
+  // CHECK: define weak_odr void @_ZN6test101fILc3EEEvNS_1SIXquLb0ELc97ET_EEE(
+  template void f<(char) 3>(struct S<3>);
+}