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hanchenye-llvm-project/clang/test/CodeGenCXX/const-base-cast.cpp

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Constant expression evaluation: add support for evaluation of member pointers and base-to-derived casts, and add proper handling of temporaries. llvm-svn: 144926
2011-11-18 06:56:20 +08:00
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
Fix PointerExprEvaluator::VisitCastExpr so it doesn't misfold C++ casts which it doesn't know how to fold, like derived-to-base casts. llvm-svn: 92173
2009-12-27 13:43:15 +08:00
// Check that the following construct, which is similar to one which occurs
Constant expression evaluation: add support for evaluation of member pointers and base-to-derived casts, and add proper handling of temporaries. llvm-svn: 144926
2011-11-18 06:56:20 +08:00
// in Firefox, is folded correctly.
Fix PointerExprEvaluator::VisitCastExpr so it doesn't misfold C++ casts which it doesn't know how to fold, like derived-to-base casts. llvm-svn: 92173
2009-12-27 13:43:15 +08:00
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