Patch to ir-gen user-defined conversions used in expressions

[12.3.2-p3]



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80436 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 68ab6dfc58..e3511edd2b 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -324,6 +324,17 @@ void CodeGenFunction::EmitBranchOnBoolExpr(const Expr *Cond,
                                            llvm::BasicBlock *FalseBlock) {
   if (const ParenExpr *PE = dyn_cast<ParenExpr>(Cond))
     return EmitBranchOnBoolExpr(PE->getSubExpr(), TrueBlock, FalseBlock);
+  if (const CastExpr *E = dyn_cast<CastExpr>(Cond))
+    if (E->getCastKind() == CastExpr::CK_UserDefinedConversion) {
+      if (const CXXFunctionalCastExpr *CXXFExpr = 
+            dyn_cast<CXXFunctionalCastExpr>(E)) {
+          EmitCXXFunctionalCastExpr(CXXFExpr);
+        return;
+      }
+      else if (isa<CStyleCastExpr>(E))
+        return EmitBranchOnBoolExpr(E->getSubExpr(), TrueBlock, FalseBlock);
+      assert(false && "EmitBranchOnBoolExpr - Expected CStyleCastExpr");
+    }
   
   if (const BinaryOperator *CondBOp = dyn_cast<BinaryOperator>(Cond)) {
     // Handle X && Y in a condition.