Improved skslc optimizer, particularly around vectors.

BUG=skia:

Change-Id: Idb364d9198f2ff84aad1eb68e236fb45ec1c86b7
Reviewed-on: https://skia-review.googlesource.com/8000
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Ben Wagner <benjaminwagner@google.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/sksl/ir/SkSLIntLiteral.h b/src/sksl/ir/SkSLIntLiteral.h
index 2322a3d40a..3a95ed65ba 100644
--- a/src/sksl/ir/SkSLIntLiteral.h
+++ b/src/sksl/ir/SkSLIntLiteral.h
@@ -23,11 +23,15 @@ struct IntLiteral : public Expression {
     : INHERITED(position, kIntLiteral_Kind, type ? *type : *context.fInt_Type)
     , fValue(value) {}
 
-    virtual String description() const override {
+    String description() const override {
         return to_string(fValue);
     }
 
-   bool isConstant() const override {
+    bool hasSideEffects() const override {
+        return false;
+    }
+
+    bool isConstant() const override {
         return true;
     }