From b463272fbbc4002db57fa8fb5b54c21ced465fbf Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Sat, 14 Feb 2009 00:19:28 +0000 Subject: [PATCH] Testcase for llvm-gcc 64510. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64511 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/FrontendC/2009-02-13-zerosize-union-field.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 test/FrontendC/2009-02-13-zerosize-union-field.c diff --git a/test/FrontendC/2009-02-13-zerosize-union-field.c b/test/FrontendC/2009-02-13-zerosize-union-field.c new file mode 100644 index 00000000000..044cbd5a556 --- /dev/null +++ b/test/FrontendC/2009-02-13-zerosize-union-field.c @@ -0,0 +1,13 @@ +// RUN: %llvmgcc %s -m32 -S -o - | grep {i32 1} | count 1 +// RUN: %llvmgcc %s -m32 -S -o - | grep {i32 4} | count 2 +// Every printf has 'i32 0' for the GEP of the string; no point counting those. +typedef unsigned int Foo __attribute__((aligned(32))); +typedef union{Foo:0;}a; +typedef union{int x; Foo:0;}b; +extern int printf(const char*, ...); +main() { + printf("%ld\n", sizeof(a)); + printf("%ld\n", __alignof__(a)); + printf("%ld\n", sizeof(b)); + printf("%ld\n", __alignof__(b)); +} -- 2.34.1