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-rw-r--r--gcc/tree-ssa-ccp.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c
index 439bb0a..569b057 100644
--- a/gcc/tree-ssa-ccp.c
+++ b/gcc/tree-ssa-ccp.c
@@ -1886,11 +1886,10 @@ evaluate_stmt (gimple *stmt)
/ BITS_PER_UNIT - 1);
break;
- case BUILT_IN_ALLOCA:
- case BUILT_IN_ALLOCA_WITH_ALIGN:
- align = (DECL_FUNCTION_CODE (fndecl) == BUILT_IN_ALLOCA_WITH_ALIGN
- ? TREE_INT_CST_LOW (gimple_call_arg (stmt, 1))
- : BIGGEST_ALIGNMENT);
+ CASE_BUILT_IN_ALLOCA:
+ align = (DECL_FUNCTION_CODE (fndecl) == BUILT_IN_ALLOCA
+ ? BIGGEST_ALIGNMENT
+ : TREE_INT_CST_LOW (gimple_call_arg (stmt, 1)));
val.lattice_val = CONSTANT;
val.value = build_int_cst (TREE_TYPE (gimple_get_lhs (stmt)), 0);
val.mask = ~((HOST_WIDE_INT) align / BITS_PER_UNIT - 1);
@@ -2243,7 +2242,8 @@ ccp_fold_stmt (gimple_stmt_iterator *gsi)
/* The heuristic of fold_builtin_alloca_with_align differs before and
after inlining, so we don't require the arg to be changed into a
constant for folding, but just to be constant. */
- if (gimple_call_builtin_p (stmt, BUILT_IN_ALLOCA_WITH_ALIGN))
+ if (gimple_call_builtin_p (stmt, BUILT_IN_ALLOCA_WITH_ALIGN)
+ || gimple_call_builtin_p (stmt, BUILT_IN_ALLOCA_WITH_ALIGN_AND_MAX))
{
tree new_rhs = fold_builtin_alloca_with_align (stmt);
if (new_rhs)
@@ -2535,8 +2535,7 @@ optimize_stack_restore (gimple_stmt_iterator i)
if (!callee
|| DECL_BUILT_IN_CLASS (callee) != BUILT_IN_NORMAL
/* All regular builtins are ok, just obviously not alloca. */
- || DECL_FUNCTION_CODE (callee) == BUILT_IN_ALLOCA
- || DECL_FUNCTION_CODE (callee) == BUILT_IN_ALLOCA_WITH_ALIGN)
+ || ALLOCA_FUNCTION_CODE_P (DECL_FUNCTION_CODE (callee)))
return NULL_TREE;
if (DECL_FUNCTION_CODE (callee) == BUILT_IN_STACK_RESTORE)