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llvm-mirror/test/FrontendC/2007-09-20-GcrootAttribute.c
Duncan Sands 020f241883 Remove explicit uses of -emit-llvm, the test infrastructure adds it
automatically.  Use -S with llvm-gcc rather than -c, so tests can
work when llvm-gcc is really dragonegg (which can output IR with -S
but not -c).

llvm-svn: 120158
2010-11-25 21:24:35 +00:00

30 lines
410 B
C

// RUN: %llvmgcc -S %s -o - | grep llvm.gcroot
// RUN: %llvmgcc -S %s -o - | grep llvm.gcroot | count 6
// RUN: %llvmgcc -S %s -o - | llvm-as
typedef struct foo_s
{
int a;
} foo, __attribute__ ((gcroot)) *foo_p;
foo my_foo;
int alpha ()
{
foo my_foo2 = my_foo;
return my_foo2.a;
}
int bar (foo a)
{
foo_p b;
return b->a;
}
foo_p baz (foo_p a, foo_p b, foo_p *c)
{
a = b = *c;
return a;
}