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authorAlexandre Oliva <aoliva@redhat.com>2011-06-08 19:39:12 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2011-06-08 19:39:12 +0000
commit49931fcb6ebd4100b95f190fc7b780b7426a9e5a (patch)
treed9d6317d1ce0f5f397999b2a960a0dd9f00eb49f
parent2427150138deb7c8efff398b3d9b1915021efd44 (diff)
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tree-flow-inline.h (op_iter_init): Reject GIMPLE_PHI stmts.
* tree-flow-inline.h (op_iter_init): Reject GIMPLE_PHI stmts. (num_ssa_operands): Likewise. (op_iter_init_phiuse): Forward-declare. (delink_stmt_imm_use): Iterate with FOR_EACH_PHI_OR_STMT_USE. From-SVN: r174815
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/tree-flow-inline.h11
2 files changed, 15 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fe061ba..297fc79 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-06-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-flow-inline.h (op_iter_init): Reject GIMPLE_PHI stmts.
+ (num_ssa_operands): Likewise.
+ (op_iter_init_phiuse): Forward-declare.
+ (delink_stmt_imm_use): Iterate with FOR_EACH_PHI_OR_STMT_USE.
+
2011-06-08 Nick Clifton <nickc@redhat.com>
* doc/invoke.texi (ARM Options): Update description of
diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h
index dcbe355..b9c5e16 100644
--- a/gcc/tree-flow-inline.h
+++ b/gcc/tree-flow-inline.h
@@ -737,9 +737,11 @@ clear_and_done_ssa_iter (ssa_op_iter *ptr)
static inline void
op_iter_init (ssa_op_iter *ptr, gimple stmt, int flags)
{
- /* We do not support iterating over virtual defs or uses without
+ /* PHI nodes require a different iterator initialization path. We
+ do not support iterating over virtual defs or uses without
iterating over defs or uses at the same time. */
- gcc_checking_assert ((!(flags & SSA_OP_VDEF) || (flags & SSA_OP_DEF))
+ gcc_checking_assert (gimple_code (stmt) != GIMPLE_PHI
+ && (!(flags & SSA_OP_VDEF) || (flags & SSA_OP_DEF))
&& (!(flags & SSA_OP_VUSE) || (flags & SSA_OP_USE)));
ptr->defs = (flags & (SSA_OP_DEF|SSA_OP_VDEF)) ? gimple_def_ops (stmt) : NULL;
if (!(flags & SSA_OP_VDEF)
@@ -868,11 +870,14 @@ num_ssa_operands (gimple stmt, int flags)
tree t;
int num = 0;
+ gcc_checking_assert (gimple_code (stmt) != GIMPLE_PHI);
FOR_EACH_SSA_TREE_OPERAND (t, stmt, iter, flags)
num++;
return num;
}
+static inline use_operand_p
+op_iter_init_phiuse (ssa_op_iter *ptr, gimple phi, int flags);
/* Delink all immediate_use information for STMT. */
static inline void
@@ -882,7 +887,7 @@ delink_stmt_imm_use (gimple stmt)
use_operand_p use_p;
if (ssa_operands_active ())
- FOR_EACH_SSA_USE_OPERAND (use_p, stmt, iter, SSA_OP_ALL_USES)
+ FOR_EACH_PHI_OR_STMT_USE (use_p, stmt, iter, SSA_OP_ALL_USES)
delink_imm_use (use_p);
}