aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25382.c
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/gcc.dg/tree-ssa/pr25382.c
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/gcc.dg/tree-ssa/pr25382.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25382.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25382.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25382.c
new file mode 100644
index 000000000..daff68ee9
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/pr25382.c
@@ -0,0 +1,19 @@
+/* PR tree-optimization/25382
+ VRP used to ignore BIT_AND_EXPRs for the purpose of distilling ranges.
+ Check that VRP now gets ranges from BIT_AND_EXPRs. */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -fno-tree-ccp -fdump-tree-vrp1" } */
+
+int
+foo (int a)
+{
+ int b = a & 0xff;
+ if (b > 300)
+ return 2;
+ else
+ return 1;
+}
+
+/* { dg-final { scan-tree-dump-times "Folding predicate b_.* > 300 to 0" 1 "vrp1" } } */
+/* { dg-final { cleanup-tree-dump "vrp1" } } */