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-fre-9.c | 28 +++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c new file mode 100644 index 000000000..d3986f5ba --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-9.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-stats" } */ + +union loc { + unsigned reg; + signed offset; +}; +void __frame_state_for2 (volatile char *state_in) +{ + union loc fs; + { + *state_in = fs.reg; + *state_in = fs.offset; + } +} +void __frame_state_for1 (volatile char *state_in) +{ + union loc fs; + for (;;) + { + *state_in = fs.offset; + *state_in = fs.reg; + } +} + +/* { dg-final { scan-tree-dump-times "Eliminated: 2" 2 "fre1" } } */ +/* { dg-final { scan-tree-dump-times "Insertions: 1" 2 "fre1" } } */ +/* { dg-final { cleanup-tree-dump "fre1" } } */ -- cgit v1.2.3