// only be used as the shape-determining operand; it will not replace other
// usages of the original constant. If the operands are not constants (i.e.
// results of some other computation), then the pass recursively traverses the
// call tree upwards and duplicates all constants found in the subtree in a
// similar manner.
//
// This pass may be used to avoid placing shape-determining constants in the CPU

      Class<T> enumClass) {
    synchronized (enumConstantCache) {
      Map<String, WeakReference<? extends Enum<?>>> constants = enumConstantCache.get(enumClass);
      if (constants == null) {
        constants = populateCache(enumClass);
      }
      return constants;
    }
  }

  /**
   * Returns a serializable converter that converts between strings and {@code enum} values of type

// CHECK:  return %1
}

// CHECK-LABEL: fakeQuantFolded
func.func @fakeQuantFolded() -> (tensor<8xf32>) {
  %in = arith.constant dense<0.0> : tensor<8xf32>
  %min = arith.constant dense<0.0> : tensor<f32>
  %max = arith.constant dense<15.0> : tensor<f32>
  %mini = "tf.Identity"(%min) : (tensor<f32>) -> tensor<f32>
  %maxi = "tf.Identity"(%max) : (tensor<f32>) -> tensor<f32>

      Class<T> enumClass) {
    synchronized (enumConstantCache) {
      Map<String, WeakReference<? extends Enum<?>>> constants = enumConstantCache.get(enumClass);
      if (constants == null) {
        constants = populateCache(enumClass);
      }
      return constants;
    }
  }

  /**
   * Returns a serializable converter that converts between strings and {@code enum} values of type

// and then propagates constant facts only along reachable control flow paths.
// Since some basic blocks are not visited yet, corresponding inputs of phi become
// Top, we use the meet(phi) to compute its lattice.
//
// 	  Top ∩ any = any
// 	  Bottom ∩ any = Bottom
// 	  ConstantA ∩ ConstantA = ConstantA
// 	  ConstantA ∩ ConstantB = Bottom
//
// Each lattice value is lowered most twice(Top to Constant, Constant to Bottom)

package constdecl

import "math"
import "unsafe"

var v int

// Const decls must be initialized by constants.
const _ = v /* ERROR "not constant" */
const _ = math /* ERROR "not constant" */ .Sin(0)
const _ = int /* ERROR "not an expression" */

func _() {
	const _ = v /* ERROR "not constant" */
	const _ = math /* ERROR "not constant" */ .Sin(0)
	const _ = int /* ERROR "not an expression" */
}

	VPMSUMD	V19,const1,V11	// vpmsumd with constants
	LVX	(R4+off48),V19	// load next from buffer
	OR	$0,R2,R2

	VPMSUMD	V20,const1,V12	// vpmsumd with constants
	LVX	(R4+off64),V20	// load next from buffer
	OR	$0,R2,R2

	VPMSUMD	V21,const1,V13	// vpmsumd with constants
	LVX	(R4+off80),V21	// load next from buffer
	OR	$0,R2,R2

	VPMSUMD	V22,const1,V14	// vpmsumd with constants
	LVX	(R4+off96),V22	// load next from buffer

/**
 * A Kotlin constant value. This value amy be used as `const val` initializer or annotation argument.
 * Also, may represent evaluated constant value. So, `1 + 2` will be represented as `KaIntConstantValue(3)`
 *
 * For more info about constant values please see [official Kotlin documentation](https://kotlinlang.org/docs/properties.html#compile-time-constants])
 */

    func.return %1 : tensor<10x19xf32>
  }
}

// Tests that foldable ops are constant-folded to enable legalization of ops
// that require compile time constant operand.
// "tf.Shape" can only be folded away after shape inference. tf.Reshape can only
// be lowered when tf.Shape is folded into a constant.

// CHECK-LABEL: HloModule main

	defer os.RemoveAll(dir)

	const bitLimit = 512
	const charLimit = 10000 // compiler-internal constant length limit
	testProg(dir, "x1", bitLimit, "")
	testProg(dir, "x2", bitLimit+1, "constant overflow")
	testProg(dir, "x3", charLimit-2, "constant overflow") // -2 because literal contains 0b prefix
	testProg(dir, "x4", charLimit-1, "excessively long constant")