From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c | 27 +++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c new file mode 100644 index 000000000..b34974130 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-7.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +extern void link_error (void); + +/* tests to check if cprop works when using non-return functions */ + +extern int not_returning (int) __attribute__ ((noreturn)); + +int b; +int test7 (int a) +{ + b = 7; + if (a) + { + not_returning (a); + } + if (b != 7) + link_error (); + return b; +} + + +/* There should be not link_error calls, if there is any the + optimization has failed */ +/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ -- cgit v1.2.3