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| author | Andrew Pinski <apinski@cavium.com> | 2012-03-12 17:53:57 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2012-03-12 10:53:57 -0700 |
| commit | b928d32b668a27f88fa29204411a98262d9dfa44 (patch) | |
| tree | 8ddbdd3046d09f0c4df8090dc9b2e60b4c9b77a8 /gcc/testsuite/gcc.dg/tree-ssa | |
| parent | 2f986dce2c1dd37ac86ae4da1c0e51c9b516858a (diff) | |
| download | gcc-b928d32b668a27f88fa29204411a98262d9dfa44.zip gcc-b928d32b668a27f88fa29204411a98262d9dfa44.tar.gz gcc-b928d32b668a27f88fa29204411a98262d9dfa44.tar.bz2 | |
tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
2012-03-12 Andrew Pinski <apinski@cavium.com>
* tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
(tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
(value_replacement): Likewise.
(empty_block_p): Check also if the PHIs for the block are empty.
2012-03-12 Andrew Pinski <apinski@cavium.com>
* gcc.dg/tree-ssa/phi-opt-7.c: New testcase.
From-SVN: r185254
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/phi-opt-7.c | 23 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c | 2 |
2 files changed, 24 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-7.c b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-7.c new file mode 100644 index 0000000..944acf9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-7.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdump-tree-optimized" } */ + +int g(int,int); +int f(int t, int c) +{ + int d = 0; + int e = 0; + if (t) + { + d = t; + if (c) e = 1; + } + else d = 0, e = 0; + return g(d,e); +} + +/* There should be one ifs as one of them should be changed into + a conditional and the other should be there still. */ +/* { dg-final { scan-tree-dump-times "if" 1 "optimized" } }*/ +/* { dg-final { scan-tree-dump-times "D.\[0-9\]*_\[0-9\]* = c_\[0-9\]*.D. != 0" 1 "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ + diff --git a/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c index 31dab46..775926d 100644 --- a/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c +++ b/gcc/testsuite/gcc.dg/tree-ssa/phi-opt-8.c @@ -19,7 +19,7 @@ int f(int t, int c) but currently is not as PHI-OPT does not reduce the t PHI as we have two phis. Note this is fixed with http://gcc.gnu.org/ml/gcc-patches/2012-01/msg01195.html . */ -/* { dg-final { scan-tree-dump-not "if" "phiopt1" { xfail *-*-* } } } */ +/* { dg-final { scan-tree-dump-not "if" "phiopt1" } } */ /* { dg-final { scan-tree-dump "g .t_\[0-9\]*.D.," "optimized" } } */ /* { dg-final { scan-tree-dump-not "PHI" "optimized" } } */ /* { dg-final { cleanup-tree-dump "phiopt1" } } */ |