Add constant folding for long unary operations in opt. compiler.
Add tests to exercise the constant folding of these
instructions.
Also, prevent Java methods from run-tests exercising the
code generation of these instruction from being inlined,
so that they continue to check the generated code (and
not the code produced by the constant folding pass).
Change-Id: I28efca7cdb5142ac2b6d158ba296fb9136d62481
diff --git a/test/442-checker-constant-folding/src/Main.java b/test/442-checker-constant-folding/src/Main.java
index 20dac42..4805d77 100644
--- a/test/442-checker-constant-folding/src/Main.java
+++ b/test/442-checker-constant-folding/src/Main.java
@@ -70,6 +70,25 @@
return y;
}
+ /// CHECK-START: long Main.LongNegation() constant_folding (before)
+ /// CHECK-DAG: <<Const42:j\d+>> LongConstant 42
+ /// CHECK-DAG: <<Neg:j\d+>> Neg [<<Const42>>]
+ /// CHECK-DAG: Return [<<Neg>>]
+
+ /// CHECK-START: long Main.LongNegation() constant_folding (after)
+ /// CHECK-DAG: <<ConstN42:j\d+>> LongConstant -42
+ /// CHECK-DAG: Return [<<ConstN42>>]
+
+ /// CHECK-START: long Main.LongNegation() constant_folding (after)
+ /// CHECK-NOT: Neg
+
+ public static long LongNegation() {
+ long x, y;
+ x = 42L;
+ y = -x;
+ return y;
+ }
+
/**
* Exercise constant folding on addition.
@@ -866,6 +885,7 @@
public static void main(String[] args) {
assertIntEquals(-42, IntNegation());
+ assertLongEquals(-42L, LongNegation());
assertIntEquals(3, IntAddition1());
assertIntEquals(14, IntAddition2());