summaryrefslogtreecommitdiff
path: root/gcc/testsuite/gcc.dg/bconstp-3.c
diff options
context:
space:
mode:
authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/bconstp-3.c
downloadcbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.bz2
cbb-gcc-4.6.4-554fd8c5195424bdbcabf5de30fdc183aba391bd.tar.xz
obtained gcc-4.6.4.tar.bz2 from upstream website;upstream
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.
Diffstat (limited to 'gcc/testsuite/gcc.dg/bconstp-3.c')
-rw-r--r--gcc/testsuite/gcc.dg/bconstp-3.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/bconstp-3.c b/gcc/testsuite/gcc.dg/bconstp-3.c
new file mode 100644
index 000000000..9e3d10f39
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/bconstp-3.c
@@ -0,0 +1,27 @@
+/* As bconstp-1.c, but with the __builtin_constant_p calls inside
+ __builtin_choose_expr. */
+/* { dg-do compile } */
+
+/* This test checks that builtin_constant_p can be used safely in
+ initializers for static data. The macro X() defined below should
+ be an acceptable initializer expression no matter how complex its
+ argument is. */
+
+extern int a;
+extern int b;
+
+extern int foo(void);
+extern int bar(void);
+
+#define X(exp) (__builtin_choose_expr(1, __builtin_constant_p(exp), 1) ? (exp) : -1)
+
+const short tests[] = {
+ X(0),
+ X(a),
+ X(0 && a),
+ X(a && b),
+ X(foo()),
+ X(0 && foo()),
+ X(a && foo()),
+ X(foo() && bar())
+};