From 554fd8c5195424bdbcabf5de30fdc183aba391bd Mon Sep 17 00:00:00 2001 From: upstream source tree Date: Sun, 15 Mar 2015 20:14:05 -0400 Subject: obtained gcc-4.6.4.tar.bz2 from upstream website; verified gcc-4.6.4.tar.bz2.sig; imported gcc-4.6.4 source tree from verified upstream tarball. downloading a git-generated archive based on the 'upstream' tag should provide you with a source tree that is binary identical to the one extracted from the above tarball. if you have obtained the source via the command 'git clone', however, do note that line-endings of files in your working directory might differ from line-endings of the respective files in the upstream repository. --- gcc/testsuite/gcc.dg/tree-ssa/alias-19.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/alias-19.c (limited to 'gcc/testsuite/gcc.dg/tree-ssa/alias-19.c') diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-19.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-19.c new file mode 100644 index 000000000..7b3689049 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-19.c @@ -0,0 +1,30 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fdump-tree-alias-vops" } */ + +const static int a; + +int __attribute__((noinline)) +foo(int i) +{ + const int *q; + int b; + if (i) + q = &a; + else + q = &b; + b = 1; + /* We should not prune a from the points-to set of q. */ + return *q; +} + +extern void abort (void); +int main() +{ + if (foo(1) != 0) + abort (); + return 0; +} + +/* { dg-final { scan-tree-dump "q_. = { a b }" "alias" } } */ +/* { dg-final { scan-tree-dump "q_., points-to vars: { a b }" "alias" } } */ +/* { dg-final { cleanup-tree-dump "alias" } } */ -- cgit v1.2.3