value_test.go

     1  // Copyright 2025 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 test
     6  
     7  import (
     8  	"cmd/compile/internal/ssa"
     9  	"cmd/compile/internal/types"
    10  	"internal/buildcfg"
    11  	"testing"
    12  )
    13  
    14  // This file contains tests for ssa values, types and their utility functions.
    15  
    16  func TestCanSSA(t *testing.T) {
    17  	i64 := types.Types[types.TINT64]
    18  	v128 := types.TypeVec128
    19  	s1 := mkstruct(i64, mkstruct(i64, i64, i64, i64))
    20  	if ssa.CanSSA(s1) {
    21  		// Test size check for struct.
    22  		t.Errorf("CanSSA(%v) returned true, expected false", s1)
    23  	}
    24  	a1 := types.NewArray(s1, 1)
    25  	if ssa.CanSSA(a1) {
    26  		// Test size check for array.
    27  		t.Errorf("CanSSA(%v) returned true, expected false", a1)
    28  	}
    29  	if buildcfg.Experiment.SIMD {
    30  		s2 := mkstruct(v128, v128, v128, v128)
    31  		if !ssa.CanSSA(s2) {
    32  			// Test size check for SIMD struct special case.
    33  			t.Errorf("CanSSA(%v) returned false, expected true", s2)
    34  		}
    35  		a2 := types.NewArray(s2, 1)
    36  		if !ssa.CanSSA(a2) {
    37  			// Test size check for SIMD array special case.
    38  			t.Errorf("CanSSA(%v) returned false, expected true", a2)
    39  		}
    40  	}
    41  }
    42
View as plain text