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tree-phinodes.c (add_phi_arg): Add an assertion that the edge already exists. 

* tree-phinodes.c (add_phi_arg): Add an assertion that the
	edge already exists.

From-SVN: r89985
This commit is contained in:
Kazu Hirata 2004-11-02 13:23:05 +00:00 committed by Kazu Hirata
parent 54699c021d
commit bc2dce329b
2 changed files with 8 additions and 8 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-11-02 Kazu Hirata <kazu@cs.umass.edu>
* tree-phinodes.c (add_phi_arg): Add an assertion that the
edge already exists.
2004-11-02 Kazu Hirata <kazu@cs.umass.edu>
* tree-phinodes.c (remove_phi_arg_num): Do not zero the

11
gcc/tree-phinodes.c
View File

@ -295,12 +295,14 @@ create_phi_node (tree var, basic_block bb)
void
add_phi_arg (tree *phi, tree def, edge e)
{
basic_block bb = e->dest;
int i = PHI_NUM_ARGS (*phi);
gcc_assert (bb == bb_for_stmt (*phi));
if (i >= PHI_ARG_CAPACITY (*phi))
{
tree old_phi = *phi;
basic_block bb;
/* Resize the phi. Unfortunately, this will relocate it. */
resize_phi_node (phi, ideal_phi_node_len (i + 4));
@ -311,13 +313,6 @@ add_phi_arg (tree *phi, tree def, edge e)
/* The result of the phi is defined by this phi node. */
SSA_NAME_DEF_STMT (PHI_RESULT (*phi)) = *phi;
/* Extract the basic block for the PHI from the PHI's annotation
rather than the edge. This works better as the edge's
destination may not currently be the block with the PHI node
if we are in the process of threading the edge to a new
destination. */
bb = bb_for_stmt (*phi);
release_phi_node (old_phi);
/* Update the list head if replacing the first listed phi. */