blocks: Support capturing complex variable in block.
// rdar://10033896
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139041 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index 1a27d13..c7b9a30 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -119,6 +119,7 @@
// l-values.
ComplexPairTy VisitDeclRefExpr(const Expr *E) { return EmitLoadOfLValue(E); }
+ ComplexPairTy VisitBlockDeclRefExpr(const Expr *E) { return EmitLoadOfLValue(E); }
ComplexPairTy VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
return EmitLoadOfLValue(E);
}
diff --git a/test/CodeGen/capture-complex-expr-in-block.c b/test/CodeGen/capture-complex-expr-in-block.c
new file mode 100644
index 0000000..c388237
--- /dev/null
+++ b/test/CodeGen/capture-complex-expr-in-block.c
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - -fblocks -triple x86_64-apple-darwin10 | FileCheck %s
+// rdar://10033986
+
+typedef void (^BLOCK)(void);
+int main ()
+{
+ _Complex double c;
+ BLOCK b = ^() {
+ _Complex double z;
+ z = z + c;
+ };
+ b();
+}
+
+// CHECK: define internal void @__main_block_invoke_0
+// CHECK: [[C1:%.*]] = alloca { double, double }, align 8
+// CHECK: [[C1]].realp = getelementptr inbounds { double, double }* [[C1]], i32 0, i32 0
+// CHECK-NEXT: [[C1]].real = load double* [[C1]].realp
+// CHECK-NEXT: [[C1]].imagp = getelementptr inbounds { double, double }* [[C1]], i32 0, i32 1
+// CHECK-NEXT: [[C1]].imag = load double* [[C1]].imagp