[llvm-commits] [llvm] r64511 - /llvm/trunk/test/FrontendC/2009-02-13-zerosize-union-field.c

[Dale Johannesen]

Author: johannes
Date: Fri Feb 13 18:19:28 2009
New Revision: 64511

URL: http://llvm.org/viewvc/llvm-project?rev=64511&view=rev
Log:
Testcase for llvm-gcc 64510.


Added:
    llvm/trunk/test/FrontendC/2009-02-13-zerosize-union-field.c

Added: llvm/trunk/test/FrontendC/2009-02-13-zerosize-union-field.c
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/FrontendC/2009-02-13-zerosize-union-field.c?rev=64511&view=auto

==============================================================================
--- llvm/trunk/test/FrontendC/2009-02-13-zerosize-union-field.c (added)
+++ llvm/trunk/test/FrontendC/2009-02-13-zerosize-union-field.c Fri Feb 13 18:19:28 2009
@@ -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));
+}