Source file src/cmd/compile/internal/inline/inlheur/testdata/dumpscores.go

Documentation: cmd/compile/internal/inline/inlheur/testdata

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package dumpscores
     6  
     7  var G int
     8  
     9  func inlinable(x int, f func(int) int) int {
    10  	if x != 0 {
    11  		return 1
    12  	}
    13  	G += noninl(x)
    14  	return f(x)
    15  }
    16  
    17  func inlinable2(x int) int {
    18  	return noninl(-x)
    19  }
    20  
    21  //go:noinline
    22  func noninl(x int) int {
    23  	return x + 1
    24  }
    25  
    26  func tooLargeToInline(x int) int {
    27  	if x > 101 {
    28  		// Drive up the cost of inlining this func over the
    29  		// regular threshold.
    30  		return big(big(big(big(big(G + x)))))
    31  	}
    32  	if x < 100 {
    33  		// make sure this callsite is scored properly
    34  		G += inlinable(101, inlinable2)
    35  		if G == 101 {
    36  			return 0
    37  		}
    38  		panic(inlinable2(3))
    39  	}
    40  	return G
    41  }
    42  
    43  func big(q int) int {
    44  	return noninl(q) + noninl(-q)
    45  }
    46  

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