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gcroot testcase, patch by Eric Christopher.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42198 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-09-21 17:48:39 +00:00
parent 0d76789337
commit 68471d5289
1 changed files with 28 additions and 0 deletions
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test/CFrontend/2007-09-20-GcrootAttribute.c Normal file
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// RUN: %llvmgxx -S -emit-llvm %s -o - | grep llvm.gcroot
// RUN: %llvmgxx -S -emit-llvm %s -o - | grep llvm.gcroot | count 6
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;
}