From f048ddccf080a436a5d0ebc04006db525cc115e7 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Sat, 24 Feb 2007 16:07:41 +0000 Subject: [PATCH] re PR tree-optimization/30904 (VRP does not track values of shifts and/or bitfields?) 2007-02-23 Paolo Bonzini PR tree-optimization/30904 * gcc.dg/pr30904.c: New test. From-SVN: r122290 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr30904.c | 18 ++++++++++++++++++ 2 files changed, 23 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/pr30904.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8b916455ae8..26ad4bf896d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-02-23 Paolo Bonzini + + PR tree-optimization/30904 + * gcc.dg/pr30904.c: New test. + 2007-02-23 Manuel Lopez-Ibanez * gcc.test-framework/README: Correct command. diff --git a/gcc/testsuite/gcc.dg/pr30904.c b/gcc/testsuite/gcc.dg/pr30904.c new file mode 100644 index 00000000000..bcd9048fe21 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr30904.c @@ -0,0 +1,18 @@ +/* { dg-do link } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +extern int t; +extern void link_error(void); +int main (void) +{ + struct { unsigned int a : 7; } s; + s.a = t; + if (s.a >> 8) + link_error (); + if (s.a >> 9) + link_error (); +} + + +/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized" { xfail *-*-* } } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ -- 2.30.2