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

[Reid Spencer]

On Mon, 2007-05-14 at 23:54 -0700, Chris Lattner wrote:
> > Add a test case for PR1420: http://llvm.org/PR1420
> 
> Further, execution tests should go in llvm-test, not in llvm/test.

I've done this to get it some attention. The corresponding test in
llvm-test has been failing for four months and no one has fixed it. I
don't understand this part of llvm-gcc at all so I thought I'd make a PR
and simplify the test case. 

> 
> -Chris
> 
> >
> > ---
> > 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;
> > + }
> >
> >
> >
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