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-rw-r--r--gcc/tree-scalar-evolution.cc6
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/tree-scalar-evolution.cc b/gcc/tree-scalar-evolution.cc
index 9f30f78..8b92709 100644
--- a/gcc/tree-scalar-evolution.cc
+++ b/gcc/tree-scalar-evolution.cc
@@ -1214,6 +1214,8 @@ tail_recurse:
{
code = TREE_CODE (expr);
type = TREE_TYPE (expr);
+ /* Via follow_ssa_edge_inner_loop_phi we arrive here with the
+ GENERIC scalar evolution of the inner loop. */
switch (code)
{
CASE_CONVERT:
@@ -1224,6 +1226,8 @@ tail_recurse:
case MINUS_EXPR:
rhs0 = TREE_OPERAND (expr, 0);
rhs1 = TREE_OPERAND (expr, 1);
+ STRIP_USELESS_TYPE_CONVERSION (rhs0);
+ STRIP_USELESS_TYPE_CONVERSION (rhs1);
break;
default:
rhs0 = expr;
@@ -1260,8 +1264,6 @@ tail_recurse:
case PLUS_EXPR:
case MINUS_EXPR:
/* This case is under the form "rhs0 +- rhs1". */
- STRIP_USELESS_TYPE_CONVERSION (rhs0);
- STRIP_USELESS_TYPE_CONVERSION (rhs1);
if (TREE_CODE (rhs0) == SSA_NAME
&& (TREE_CODE (rhs1) != SSA_NAME || code == MINUS_EXPR))
{