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Source file src/cmd/compile/internal/ssa/checkbce.go

Documentation: cmd/compile/internal/ssa

     1  // Copyright 2016 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 ssa
     6  
     7  // checkbce prints all bounds checks that are present in the function.
     8  // Useful to find regressions. checkbce is only activated when with
     9  // corresponding debug options, so it's off by default.
    10  // See test/checkbce.go
    11  func checkbce(f *Func) {
    12  	if f.pass.debug <= 0 {
    13  		return
    14  	}
    15  
    16  	for _, b := range f.Blocks {
    17  		for _, v := range b.Values {
    18  			if v.Op == OpIsInBounds || v.Op == OpIsSliceInBounds {
    19  				f.Warnl(v.Pos, "Found %v", v.Op)
    20  			}
    21  		}
    22  	}
    23  }
    24  

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