From f2884785f378f68231ef2b17d9d1ead59746b25b Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 11 Feb 2005 19:26:06 +0000 Subject: [PATCH] New testcase for PR501 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20117 91177308-0d34-0410-b5e6-96231b3b80d8 --- .../C++Frontend/2005-02-11-AnonymousUnion.cpp | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/C++Frontend/2005-02-11-AnonymousUnion.cpp diff --git a/test/C++Frontend/2005-02-11-AnonymousUnion.cpp b/test/C++Frontend/2005-02-11-AnonymousUnion.cpp new file mode 100644 index 00000000000..b0ff7e75075 --- /dev/null +++ b/test/C++Frontend/2005-02-11-AnonymousUnion.cpp @@ -0,0 +1,32 @@ +// RUN: %llvmgxx %s -S -o - + +// Test anonymous union with members of the same size. +int test1(float F) { + union { + float G; + int i; + }; + G = F; + return i; +} + +// test anonymous union with members of differing size. +int test2(short F) { + volatile union { + short G; + int i; + }; + G = F; + return i; +} + +// Make sure that normal unions work. duh :) +volatile union { + short S; + int i; +} U; + +int test3(short s) { + U.S = s; + return U.i; +}