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Diffstat (limited to 'gcc/go/gofrontend/expressions.h')
| -rw-r--r-- | gcc/go/gofrontend/expressions.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/go/gofrontend/expressions.h b/gcc/go/gofrontend/expressions.h index f53cc6e..33ea9b2 100644 --- a/gcc/go/gofrontend/expressions.h +++ b/gcc/go/gofrontend/expressions.h @@ -939,6 +939,11 @@ class Expression copy() { return this->do_copy(); } + // Return the cost of this statement for inlining purposes. + int + inlining_cost() + { return this->do_inlining_cost(); } + // Return whether the expression is addressable--something which may // be used as the operand of the unary & operator. bool @@ -1084,6 +1089,13 @@ class Expression virtual Expression* do_copy() = 0; + // Child class implements determining the cost of this statement for + // inlining. The default cost is high, so we only need to define + // this method for expressions that can be inlined. + virtual int + do_inlining_cost() + { return 0x100000; } + // Child class implements whether the expression is addressable. virtual bool do_is_addressable() const |