aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb')
-rw-r--r--gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb37
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb b/gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb
new file mode 100644
index 000000000..93f31c2ca
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gnat.dg/opt32.adb
@@ -0,0 +1,37 @@
+-- { dg-do compile }
+-- { dg-options "-O2" }
+
+with Ada.Containers; use Ada.Containers;
+with Ada.Containers.Vectors;
+
+function Opt32 return Natural is
+
+ package My_Vectors
+ is new Vectors (Index_Type => Natural, Element_Type => Integer);
+ use My_Vectors;
+
+ V : Vector;
+
+ function Sign_Changes return Natural is
+ Cur : Cursor := To_Cursor (V, 0);
+ R : Natural := 0;
+ Negative : Boolean;
+ begin
+ Negative := Element (Cur) < 0;
+
+ loop
+ Cur := Next (Cur);
+ exit when R > 100;
+
+ if (Element (Cur) < 0) /= Negative then
+ Negative := not Negative;
+ R := R + 1;
+ end if;
+ end loop;
+
+ return R;
+ end;
+
+begin
+ return Sign_Changes;
+end;