gcc/testsuite/
* lib/target-supports.exp (check_effective_target___OPTIMIZE__):
New proc.
* gcc.c-torture/compile/ssa-unused-1.c: New file.
gcc/
* doc/sourcebuild.texi (Other attributes): Document '__OPTIMIZE__'
DejaGnu selector.
@item lgccjit
Target supports -lgccjit, i.e. libgccjit.so can be linked into jit tests.
+
+@item __OPTIMIZE__
+Optimizations are enabled (@code{__OPTIMIZE__}) per the current
+compiler flags.
@end table
@subsubsection Local to tests in @code{gcc.target/i386}
--- /dev/null
+/* This is just to exercise the '__OPTIMIZE__' DejaGnu selector. */
+
+/* { dg-do "assemble" } */
+/* { dg-additional-options "-fdump-tree-ssa" } */
+
+void f()
+{
+ int unused = 3;
+ (void) &unused;
+}
+
+/* { dg-final { scan-tree-dump-not {No longer having address taken: unused} ssa { target { ! __OPTIMIZE__ } } } }
+ { dg-final { scan-tree-dump-times {No longer having address taken: unused} 1 ssa { target __OPTIMIZE__ } } } */
+/* { dg-final { scan-tree-dump-not {Now a gimple register: unused} ssa { target { ! __OPTIMIZE__ } } } }
+ { dg-final { scan-tree-dump-times {Now a gimple register: unused} 1 ssa { target __OPTIMIZE__ } } } */
return 1
}
+# Test whether optimizations are enabled ('__OPTIMIZE__') per the
+# 'current_compiler_flags' (thus don't cache).
+
+proc check_effective_target___OPTIMIZE__ {} {
+ return [check_no_compiler_messages_nocache __OPTIMIZE__ assembly {
+ #ifndef __OPTIMIZE__
+ # error nein
+ #endif
+ } [current_compiler_flags]]
+}