commit 067cae2c86627d2edcf01b918ee601774bc76aeb
author Nicolas Geoffray <ngeoffray@google.com> Sun Apr 26 16:43:00 2015 +0000
committer Nicolas Geoffray <ngeoffray@google.com> Sun Apr 26 16:43:00 2015 +0000
tree 170607d1194943f4eff92e70170da36e06b68a9c
parent b0bd8915cb257cdaf46ba663c450a6543bca75af

Revert "[optimizing] Replace FP divide by power of 2"

Fails compiling docs.

This reverts commit b0bd8915cb257cdaf46ba663c450a6543bca75af.

Change-Id: I47d32525c83a73118e2163eb58c68bbb7a28bb38

test/458-checker-instruction-simplification/src/Main.java

diff --git a/test/458-checker-instruction-simplification/src/Main.java b/test/458-checker-instruction-simplification/src/Main.java
index f26e0b1..65be6cb 100644
--- a/test/458-checker-instruction-simplification/src/Main.java
+++ b/test/458-checker-instruction-simplification/src/Main.java
@@ -34,18 +34,6 @@
     }
   }
 
-  public static void assertFloatEquals(float expected, float result) {
-    if (expected != result) {
-      throw new Error("Expected: " + expected + ", found: " + result);
-    }
-  }
-
-  public static void assertDoubleEquals(double expected, double result) {
-    if (expected != result) {
-      throw new Error("Expected: " + expected + ", found: " + result);
-    }
-  }
-
   /**
    * Tiny programs exercising optimizations of arithmetic identities.
    */
@@ -919,43 +907,6 @@
     return !(!arg);
   }
 
-  // CHECK-START: float Main.Div2(float) instruction_simplifier (before)
-  // CHECK-DAG:     [[Arg:f\d+]]      ParameterValue
-  // CHECK-DAG:     [[Const2:f\d+]]   FloatConstant 2
-  // CHECK-DAG:     [[Div:f\d+]]      Div [ [[Arg]] [[Const2]] ]
-  // CHECK-DAG:                       Return [ [[Div]] ]
-
-  // CHECK-START: float Main.Div2(float) instruction_simplifier (after)
-  // CHECK-DAG:     [[Arg:f\d+]]      ParameterValue
-  // CHECK-DAG:     [[ConstP5:f\d+]]  FloatConstant 0.5
-  // CHECK-DAG:     [[Mul:f\d+]]      Mul [ [[Arg]] [[ConstP5]] ]
-  // CHECK-DAG:                       Return [ [[Mul]] ]
-
-  // CHECK-START: float Main.Div2(float) instruction_simplifier (after)
-  // CHECK-NOT:                       Div
-
-  public static float Div2(float arg) {
-    return arg / 2.0f;
-  }
-
-  // CHECK-START: double Main.Div2(double) instruction_simplifier (before)
-  // CHECK-DAG:     [[Arg:d\d+]]      ParameterValue
-  // CHECK-DAG:     [[Const2:d\d+]]   DoubleConstant 2
-  // CHECK-DAG:     [[Div:d\d+]]      Div [ [[Arg]] [[Const2]] ]
-  // CHECK-DAG:                       Return [ [[Div]] ]
-
-  // CHECK-START: double Main.Div2(double) instruction_simplifier (after)
-  // CHECK-DAG:     [[Arg:d\d+]]      ParameterValue
-  // CHECK-DAG:     [[ConstP5:d\d+]]  DoubleConstant 0.5
-  // CHECK-DAG:     [[Mul:d\d+]]      Mul [ [[Arg]] [[ConstP5]] ]
-  // CHECK-DAG:                       Return [ [[Mul]] ]
-
-  // CHECK-START: double Main.Div2(double) instruction_simplifier (after)
-  // CHECK-NOT:                       Div
-  public static double Div2(double arg) {
-    return arg / 2.0;
-  }
-
   public static void main(String[] args) {
     int arg = 123456;
 
@@ -990,6 +941,7 @@
     assertIntEquals(SubNeg1(arg, arg + 1), -(arg + arg + 1));
     assertIntEquals(SubNeg2(arg, arg + 1), -(arg + arg + 1));
     assertLongEquals(SubNeg3(arg, arg + 1), -(2 * arg + 1));
+
     assertIntEquals(EqualTrueRhs(true), 5);
     assertIntEquals(EqualTrueLhs(true), 5);
     assertIntEquals(EqualFalseRhs(true), 3);
@@ -1000,7 +952,5 @@
     assertIntEquals(NotEqualFalseLhs(true), 5);
     assertBooleanEquals(NotNotBool(true), true);
     assertBooleanEquals(NotNotBool(false), false);
-    assertFloatEquals(Div2(100.0f), 50.0f);
-    assertDoubleEquals(Div2(150.0), 75.0);
   }
 }