[clang][dataflow] Add a transfer function for CXXBoolLiteralExpr

This is part of the implementation of the dataflow analysis framework.
See "[RFC] A dataflow analysis framework for Clang AST" on cfe-dev.

Reviewed-by: xazax.hun

Differential Revision: https://reviews.llvm.org/D118236

1 files changed, 5 insertions, 2 deletions

diff --git a/clang/lib/Analysis/FlowSensitive/Transfer.cpp b/clang/lib/Analysis/FlowSensitive/Transfer.cpp
index 7c5e063..51a86b7 100644
--- a/clang/lib/Analysis/FlowSensitive/Transfer.cpp
+++ b/clang/lib/Analysis/FlowSensitive/Transfer.cpp
@@ -443,8 +443,11 @@ public:
     // FIXME: Implement array initialization.
   }
 
-  // FIXME: Add support for:
-  // - CXXBoolLiteralExpr
+  void VisitCXXBoolLiteralExpr(const CXXBoolLiteralExpr *S) {
+    auto &Loc = Env.createStorageLocation(*S);
+    Env.setStorageLocation(*S, Loc);
+    Env.setValue(Loc, Env.getBoolLiteralValue(S->getValue()));
+  }
 
 private:
   Environment &Env;