transform: move tests to transform_test package

This allows for adding more advanced tests, for example tests that use
the compiler package so that test sources can be written in Go instead
of LLVM IR.

transform/allocs_test.go

@@ -1,10 +1,12 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 )
 
 func TestAllocs(t *testing.T) {
 	t.Parallel()
-	testTransform(t, "testdata/allocs", OptimizeAllocs)
+	testTransform(t, "testdata/allocs", transform.OptimizeAllocs)
 }

transform/func-lowering_test.go

@@ -1,10 +1,12 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 )
 
 func TestFuncLowering(t *testing.T) {
 	t.Parallel()
-	testTransform(t, "testdata/func-lowering", LowerFuncValues)
+	testTransform(t, "testdata/func-lowering", transform.LowerFuncValues)
 }

transform/gc_test.go

@@ -1,21 +1,22 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestAddGlobalsBitmap(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/gc-globals", func(mod llvm.Module) {
-		AddGlobalsBitmap(mod)
+		transform.AddGlobalsBitmap(mod)
 	})
 }
 
 func TestMakeGCStackSlots(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/gc-stackslots", func(mod llvm.Module) {
-		MakeGCStackSlots(mod)
+		transform.MakeGCStackSlots(mod)
 	})
 }

transform/globals_test.go

@@ -1,14 +1,15 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestApplyFunctionSections(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/globals-function-sections", func(mod llvm.Module) {
-		ApplyFunctionSections(mod)
+		transform.ApplyFunctionSections(mod)
 	})
 }

transform/goroutine_test.go

@@ -1,14 +1,16 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestGoroutineLowering(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/coroutines", func(mod llvm.Module) {
-		err := LowerCoroutines(mod, false)
+		err := transform.LowerCoroutines(mod, false)
 		if err != nil {
 			panic(err)
 		}

transform/interface-lowering_test.go

@@ -1,15 +1,16 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
 func TestInterfaceLowering(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/interface", func(mod llvm.Module) {
-		err := LowerInterfaces(mod, 0)
+		err := transform.LowerInterfaces(mod, 0)
 		if err != nil {
 			t.Error(err)
 		}

transform/interrupt_test.go

@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -11,7 +12,7 @@ func TestInterruptLowering(t *testing.T) {
 	for _, subtest := range []string{"avr", "cortexm"} {
 		t.Run(subtest, func(t *testing.T) {
 			testTransform(t, "testdata/interrupt-"+subtest, func(mod llvm.Module) {
-				errs := LowerInterrupts(mod, 0)
+				errs := transform.LowerInterrupts(mod, 0)
 				if len(errs) != 0 {
 					t.Fail()
 					for _, err := range errs {

transform/maps_test.go

@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -10,7 +11,7 @@ func TestOptimizeMaps(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/maps", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeMaps(mod)
+		transform.OptimizeMaps(mod)
 
 		// Run an optimization pass, to clean up the result.
 		// This shows that all code related to the map is really eliminated.

transform/panic_test.go

@@ -1,10 +1,12 @@
-package transform
+package transform_test
 
 import (
 	"testing"
+
+	"github.com/tinygo-org/tinygo/transform"
 )
 
 func TestReplacePanicsWithTrap(t *testing.T) {
 	t.Parallel()
-	testTransform(t, "testdata/panic", ReplacePanicsWithTrap)
+	testTransform(t, "testdata/panic", transform.ReplacePanicsWithTrap)
 }

transform/rtcalls_test.go

@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -10,7 +11,7 @@ func TestOptimizeStringToBytes(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/stringtobytes", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeStringToBytes(mod)
+		transform.OptimizeStringToBytes(mod)
 	})
 }
 
@@ -18,7 +19,7 @@ func TestOptimizeStringEqual(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/stringequal", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeStringEqual(mod)
+		transform.OptimizeStringEqual(mod)
 	})
 }
 
@@ -26,6 +27,6 @@ func TestOptimizeReflectImplements(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/reflect-implements", func(mod llvm.Module) {
 		// Run optimization pass.
-		OptimizeReflectImplements(mod)
+		transform.OptimizeReflectImplements(mod)
 	})
 }

transform/stacksize_test.go

@@ -1,9 +1,10 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
 	"github.com/tinygo-org/tinygo/compileopts"
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -11,7 +12,7 @@ func TestCreateStackSizeLoads(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/stacksize", func(mod llvm.Module) {
 		// Run optimization pass.
-		CreateStackSizeLoads(mod, &compileopts.Config{
+		transform.CreateStackSizeLoads(mod, &compileopts.Config{
 			Target: &compileopts.TargetSpec{
 				DefaultStackSize: 1024,
 			},

transform/transform_test.go

@@ -1,4 +1,4 @@
-package transform
+package transform_test
 
 // This file defines some helper functions for testing transforms.
 

transform/wasm-abi_test.go

@@ -1,8 +1,9 @@
-package transform
+package transform_test
 
 import (
 	"testing"
 
+	"github.com/tinygo-org/tinygo/transform"
 	"tinygo.org/x/go-llvm"
 )
 
@@ -10,7 +11,7 @@ func TestWasmABI(t *testing.T) {
 	t.Parallel()
 	testTransform(t, "testdata/wasm-abi", func(mod llvm.Module) {
 		// Run ABI change pass.
-		err := ExternalInt64AsPtr(mod)
+		err := transform.ExternalInt64AsPtr(mod)
 		if err != nil {
 			t.Errorf("failed to change wasm ABI: %v", err)
 		}