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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-12-27 05:43:15 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-12-27 05:43:15 +0000 |
| commit | 09a8a0e6ec1252cad52666e9dbb21002b9c80f38 (patch) | |
| tree | 91edb53662ef6960712b0bae5a23cab0388de2b0 /test/CodeGenCXX/const-base-cast.cpp | |
| parent | a6f98fb644c4e37a880c497ad999a36c7b62e934 (diff) | |
Fix PointerExprEvaluator::VisitCastExpr so it doesn't misfold C++ casts which
it doesn't know how to fold, like derived-to-base casts.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92173 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGenCXX/const-base-cast.cpp')
| -rw-r--r-- | test/CodeGenCXX/const-base-cast.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGenCXX/const-base-cast.cpp b/test/CodeGenCXX/const-base-cast.cpp new file mode 100644 index 0000000000..a71384dde6 --- /dev/null +++ b/test/CodeGenCXX/const-base-cast.cpp @@ -0,0 +1,11 @@ +// RUN: clang -cc1 -O1 -emit-llvm %s -o - | FileCheck %s + +// Check that the following construct, which is similar to one which occurs +// in Firefox, is not misfolded (folding it correctly would be a bonus, but +// that doesn't work at the moment, hence the -O1 in the runline). +struct A { char x; }; +struct B { char y; }; +struct C : A,B {}; +unsigned char x = ((char*)(B*)(C*)0x1000) - (char*)0x1000; + +// CHECK: @x = global i8 1 |