github.com/ltltlt/go-source-code@v0.0.0-20190830023027-95be009773aa/cmd/compile/internal/gc/testdata/compound.go (about)

     1  // run
     2  
     3  // Copyright 2015 The Go Authors. All rights reserved.
     4  // Use of this source code is governed by a BSD-style
     5  // license that can be found in the LICENSE file.
     6  
     7  // Test compound objects
     8  
     9  package main
    10  
    11  import "fmt"
    12  
    13  func string_ssa(a, b string, x bool) string {
    14  	s := ""
    15  	if x {
    16  		s = a
    17  	} else {
    18  		s = b
    19  	}
    20  	return s
    21  }
    22  
    23  func testString() {
    24  	a := "foo"
    25  	b := "barz"
    26  	if want, got := a, string_ssa(a, b, true); got != want {
    27  		fmt.Printf("string_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
    28  		failed = true
    29  	}
    30  	if want, got := b, string_ssa(a, b, false); got != want {
    31  		fmt.Printf("string_ssa(%v, %v, false) = %v, want %v\n", a, b, got, want)
    32  		failed = true
    33  	}
    34  }
    35  
    36  //go:noinline
    37  func complex64_ssa(a, b complex64, x bool) complex64 {
    38  	var c complex64
    39  	if x {
    40  		c = a
    41  	} else {
    42  		c = b
    43  	}
    44  	return c
    45  }
    46  
    47  //go:noinline
    48  func complex128_ssa(a, b complex128, x bool) complex128 {
    49  	var c complex128
    50  	if x {
    51  		c = a
    52  	} else {
    53  		c = b
    54  	}
    55  	return c
    56  }
    57  
    58  func testComplex64() {
    59  	var a complex64 = 1 + 2i
    60  	var b complex64 = 3 + 4i
    61  
    62  	if want, got := a, complex64_ssa(a, b, true); got != want {
    63  		fmt.Printf("complex64_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
    64  		failed = true
    65  	}
    66  	if want, got := b, complex64_ssa(a, b, false); got != want {
    67  		fmt.Printf("complex64_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
    68  		failed = true
    69  	}
    70  }
    71  
    72  func testComplex128() {
    73  	var a complex128 = 1 + 2i
    74  	var b complex128 = 3 + 4i
    75  
    76  	if want, got := a, complex128_ssa(a, b, true); got != want {
    77  		fmt.Printf("complex128_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
    78  		failed = true
    79  	}
    80  	if want, got := b, complex128_ssa(a, b, false); got != want {
    81  		fmt.Printf("complex128_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
    82  		failed = true
    83  	}
    84  }
    85  
    86  func slice_ssa(a, b []byte, x bool) []byte {
    87  	var s []byte
    88  	if x {
    89  		s = a
    90  	} else {
    91  		s = b
    92  	}
    93  	return s
    94  }
    95  
    96  func testSlice() {
    97  	a := []byte{3, 4, 5}
    98  	b := []byte{7, 8, 9}
    99  	if want, got := byte(3), slice_ssa(a, b, true)[0]; got != want {
   100  		fmt.Printf("slice_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
   101  		failed = true
   102  	}
   103  	if want, got := byte(7), slice_ssa(a, b, false)[0]; got != want {
   104  		fmt.Printf("slice_ssa(%v, %v, false) = %v, want %v\n", a, b, got, want)
   105  		failed = true
   106  	}
   107  }
   108  
   109  func interface_ssa(a, b interface{}, x bool) interface{} {
   110  	var s interface{}
   111  	if x {
   112  		s = a
   113  	} else {
   114  		s = b
   115  	}
   116  	return s
   117  }
   118  
   119  func testInterface() {
   120  	a := interface{}(3)
   121  	b := interface{}(4)
   122  	if want, got := 3, interface_ssa(a, b, true).(int); got != want {
   123  		fmt.Printf("interface_ssa(%v, %v, true) = %v, want %v\n", a, b, got, want)
   124  		failed = true
   125  	}
   126  	if want, got := 4, interface_ssa(a, b, false).(int); got != want {
   127  		fmt.Printf("interface_ssa(%v, %v, false) = %v, want %v\n", a, b, got, want)
   128  		failed = true
   129  	}
   130  }
   131  
   132  var failed = false
   133  
   134  func main() {
   135  	testString()
   136  	testSlice()
   137  	testInterface()
   138  	testComplex64()
   139  	testComplex128()
   140  	if failed {
   141  		panic("failed")
   142  	}
   143  }