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/phi-opt-3.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c new file mode 100644 index 000000000..54970ad80 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-3.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +int f(int a, int b) +{ + if (a == 0) + return 0; + if (a != b) + return a; + return a; +} + +/* There should be no ifs as the PHI arguments, we did not + optimize this before because PHI-OPT did not look at + PHIs which have more than two arguments. */ +/* { dg-final { scan-tree-dump-times "if" 0 "optimized"} } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ -- cgit v1.2.3