From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGenCXX/virtual-base-cast.cpp | 33 +++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 clang/test/CodeGenCXX/virtual-base-cast.cpp (limited to 'clang/test/CodeGenCXX/virtual-base-cast.cpp') diff --git a/clang/test/CodeGenCXX/virtual-base-cast.cpp b/clang/test/CodeGenCXX/virtual-base-cast.cpp new file mode 100644 index 0000000..73b7c1c --- /dev/null +++ b/clang/test/CodeGenCXX/virtual-base-cast.cpp @@ -0,0 +1,33 @@ +// RUN: %clang_cc1 -emit-llvm %s -o - -triple i686-pc-linux-gnu | FileCheck %s + +struct A { int a; virtual int aa(); }; +struct B { int b; virtual int bb(); }; +struct C : virtual A, virtual B { int c; virtual int aa(); virtual int bb(); }; +struct AA { int a; virtual int aa(); }; +struct BB { int b; virtual int bb(); }; +struct CC : AA, BB { virtual int aa(); virtual int bb(); virtual int cc(); }; +struct D : virtual C, virtual CC { int e; }; + +D* x; + +A* a() { return x; } +// CHECK: @_Z1av() nounwind +// CHECK: [[VBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -16 +// CHECK: [[CASTVBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRA]] to i32* +// CHECK: load i32* [[CASTVBASEOFFSETPTRA]] +// CHECK: } + +B* b() { return x; } +// CHECK: @_Z1bv() nounwind +// CHECK: [[VBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -20 +// CHECK: [[CASTVBASEOFFSETPTRA:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRA]] to i32* +// CHECK: load i32* [[CASTVBASEOFFSETPTRA]] +// CHECK: } + +BB* c() { return x; } +// CHECK: @_Z1cv() nounwind +// CHECK: [[VBASEOFFSETPTRC:%[a-zA-Z0-9\.]+]] = getelementptr i8* {{.*}}, i64 -24 +// CHECK: [[CASTVBASEOFFSETPTRC:%[a-zA-Z0-9\.]+]] = bitcast i8* [[VBASEOFFSETPTRC]] to i32* +// CHECK: [[VBASEOFFSETC:%[a-zA-Z0-9\.]+]] = load i32* [[CASTVBASEOFFSETPTRC]] +// CHECK: add i32 [[VBASEOFFSETC]], 8 +// CHECK: } -- cgit v1.2.3