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| author | Jeff Law <law@redhat.com> | 2006-03-20 22:07:37 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2006-03-20 22:07:37 -0700 |
| commit | e67c25c7381536222d154228d16467320ea1fcf8 (patch) | |
| tree | 199bbfcaab0678283b684b3453409019e876c0b4 /gcc/testsuite/gcc.dg/tree-ssa/pr21829.c | |
| parent | 4a282de4b36221c7168bf10ad0dc8836b374cfb8 (diff) | |
| download | gcc-e67c25c7381536222d154228d16467320ea1fcf8.zip gcc-e67c25c7381536222d154228d16467320ea1fcf8.tar.gz gcc-e67c25c7381536222d154228d16467320ea1fcf8.tar.bz2 | |
tree-pass.h (pass_phi_only_copy_prop): Delete.
* tree-pass.h (pass_phi_only_copy_prop): Delete.
(pass_phi_only_cprop): Declare.
* passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
with phi_only_cprop
* tree-ssa-dom.c (degenerate_phi_result): New function.
(remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
(get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
(eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
(eliminate_degenerate_phis): Likewise.
(pass_phi_only_cprop): New pass descriptor.
* tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
support code. Callers updated.
(execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
(store_copy_prop): Likewise.
(do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
* gcc.dg/tree-ssa/pr21829.c: New test.
From-SVN: r112242
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/pr21829.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr21829.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr21829.c b/gcc/testsuite/gcc.dg/tree-ssa/pr21829.c new file mode 100644 index 0000000..4c723f3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr21829.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-phicprop-details" } */ + +int test(int v) +{ + int x = 0; + int u; + for (u=0;u<2;u++) + { + if (u>v) + { + if (u%2==1) + x++; + } + } + return x; +} + +/* { dg-final { scan-tree-dump-times "Original statement:.*% 2\[ \t\n]*Updated statement.*=1" 0 "phicprop3" } } */ +/* { dg-final { cleanup-tree-dump "phicprop3" } } */ + |