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/ivopt_3.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c new file mode 100644 index 000000000..b548e8f0f --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/ivopt_3.c @@ -0,0 +1,20 @@ +/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ +/* { dg-options "-O2 -m64 -fdump-tree-ivopts" } */ + +#define TYPE char* + +/* Make sure only 1 iv candidate is selected after IVOPT. */ +void foo (int i_width, char* dst, char* src1, char* src2) +{ + int x; + for( x = 0; x < i_width; x++ ) + { + *((TYPE)dst) = ( *((TYPE)src1) + *((TYPE)src2) + 1 ) >> 1; + dst+=sizeof(TYPE); + src1+=sizeof(TYPE); + src2+=sizeof(TYPE); + } +} + +/* { dg-final { scan-tree-dump-times "ivtmp.\[0-9_\]* = PHI <" 1 "ivopts"} } */ +/* { dg-final { cleanup-tree-dump "ivopts" } } */ -- cgit v1.2.3