[llvm-commits] CVS: llvm/test/C++Frontend/2007-05-15-FieldAccess.cpp

[Reid Spencer]

Changes in directory llvm/test/C++Frontend:

2007-05-15-FieldAccess.cpp added (r1.1)
---
Log message:

Add a test case for PR1420: http://llvm.org/PR1420 


---
Diffs of the changes:  (+35 -0)

 2007-05-15-FieldAccess.cpp |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+)


Index: llvm/test/C++Frontend/2007-05-15-FieldAccess.cpp
diff -c /dev/null llvm/test/C++Frontend/2007-05-15-FieldAccess.cpp:1.1
*** /dev/null	Tue May 15 01:52:25 2007
--- llvm/test/C++Frontend/2007-05-15-FieldAccess.cpp	Tue May 15 01:52:15 2007
***************
*** 0 ****
--- 1,35 ----
+ // Test case for PR1420
+ // RUN: %llvmgxx %s -O0 -o %t.exe 
+ // RUN: %t.exe > %t.out
+ // RUN: grep {sizeof(bitFieldStruct) == 8} %t.out
+ // RUN: grep {Offset bitFieldStruct.i = 0} %t.out
+ // RUN: grep {Offset bitFieldStruct.c2 = 7} %t.out
+ // XFAIL: *
+ 
+ #include <stdio.h>
+ 
+ class bitFieldStruct {
+   public:
+     int i;
+     unsigned char c:7;
+     int s:17;
+     char c2;
+ };
+ 
+ int main()
+ {
+   printf("sizeof(bitFieldStruct) == %d\n", sizeof(bitFieldStruct));
+ 
+   if (sizeof(bitFieldStruct) != 2 * sizeof(int))
+     printf("bitFieldStruct should be %d but is %d \n", 
+             2 * sizeof(int), sizeof(bitFieldStruct));
+ 
+   bitFieldStruct x;
+   
+   char* xip = (char*) &x.i;
+   char* xc2p = (char*) &x.c2;
+   printf("Offset bitFieldStruct.i = %d\n", xip - xip);
+   printf("Offset bitFieldStruct.c2 = %d\n", xc2p - xip);
+ 
+   return 0;
+ }