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Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index 4b0ec02b4de..8e2900547e0 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -3508,6 +3508,18 @@ expression_expensive_p (tree expr) return false; } + if (code == COND_EXPR) + return (expression_expensive_p (TREE_OPERAND (expr, 0)) + || (EXPR_P (TREE_OPERAND (expr, 1)) + && EXPR_P (TREE_OPERAND (expr, 2))) + /* If either branch has side effects or could trap. */ + || TREE_SIDE_EFFECTS (TREE_OPERAND (expr, 1)) + || generic_expr_could_trap_p (TREE_OPERAND (expr, 1)) + || TREE_SIDE_EFFECTS (TREE_OPERAND (expr, 0)) + || generic_expr_could_trap_p (TREE_OPERAND (expr, 0)) + || expression_expensive_p (TREE_OPERAND (expr, 1)) + || expression_expensive_p (TREE_OPERAND (expr, 2))); + switch (TREE_CODE_CLASS (code)) { case tcc_binary: |