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/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c new file mode 100644 index 000000000..f25a91064 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */ + +extern void bar(int); + +void +foo (int i, int n) +{ + int a[30]; + int b[30]; + for (; i < n; i++) + a[i] = b[i] = 0; + + while (1) + if (b[0]) + bar (a[i - 1]); +} + +/* We should apply loop distribution and generate 2 memset (0). */ + +/* { dg-final { scan-tree-dump "distributed: split to 0 loops and 2 library calls" "ldist" } } */ +/* { dg-final { scan-tree-dump-times "generated memset zero" 2 "ldist" } } */ +/* { dg-final { cleanup-tree-dump "ldist" } } */ -- cgit v1.2.3