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-rw-r--r--test/closure3.dir/main.go293
1 files changed, 293 insertions, 0 deletions
diff --git a/test/closure3.dir/main.go b/test/closure3.dir/main.go
new file mode 100644
index 0000000..07629bf
--- /dev/null
+++ b/test/closure3.dir/main.go
@@ -0,0 +1,293 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Check correctness of various closure corner cases
+// that are expected to be inlined
+
+package main
+
+var ok bool
+var sink int
+
+func main() {
+ {
+ if x := func() int { // ERROR "can inline main.func1"
+ return 1
+ }(); x != 1 { // ERROR "inlining call to main.func1"
+ ppanic("x != 1")
+ }
+ if x := func() int { // ERROR "can inline main.func2" "func literal does not escape"
+ return 1
+ }; x() != 1 { // ERROR "inlining call to main.func2"
+ ppanic("x() != 1")
+ }
+ }
+
+ {
+ if y := func(x int) int { // ERROR "can inline main.func3"
+ return x + 2
+ }(40); y != 42 { // ERROR "inlining call to main.func3"
+ ppanic("y != 42")
+ }
+ if y := func(x int) int { // ERROR "can inline main.func4" "func literal does not escape"
+ return x + 2
+ }; y(40) != 42 { // ERROR "inlining call to main.func4"
+ ppanic("y(40) != 42")
+ }
+ }
+
+ {
+ y := func(x int) int { // ERROR "can inline main.func5" "func literal does not escape"
+ return x + 2
+ }
+ y = func(x int) int { // ERROR "can inline main.func6" "func literal does not escape"
+ return x + 1
+ }
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }
+
+ {
+ func() { // ERROR "func literal does not escape"
+ y := func(x int) int { // ERROR "can inline main.func7.1" "func literal does not escape"
+ return x + 2
+ }
+ y = func(x int) int { // ERROR "can inline main.func7.2" "func literal does not escape"
+ return x + 1
+ }
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }()
+ }
+
+ {
+ y := func(x int) int { // ERROR "can inline main.func8" "func literal does not escape"
+ return x + 2
+ }
+ y, sink = func(x int) int { // ERROR "can inline main.func9" "func literal does not escape"
+ return x + 1
+ }, 42
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }
+
+ {
+ func() { // ERROR "func literal does not escape"
+ y := func(x int) int { // ERROR "can inline main.func10.1" "func literal does not escape"
+ return x + 2
+ }
+ y, sink = func(x int) int { // ERROR "can inline main.func10.2" "func literal does not escape"
+ return x + 1
+ }, 42
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }()
+ }
+
+ {
+ y := func(x int) int { // ERROR "can inline main.func11" "func literal does not escape"
+ return x + 2
+ }
+ y, sink = func() (func(int) int, int) { // ERROR "can inline main.func12"
+ return func(x int) int { // ERROR "can inline main.func12"
+ return x + 1
+ }, 42
+ }() // ERROR "func literal does not escape" "inlining call to main.func12"
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }
+
+ {
+ func() { // ERROR "func literal does not escape"
+ y := func(x int) int { // ERROR "func literal does not escape" "can inline main.func13.1"
+ return x + 2
+ }
+ y, sink = func() (func(int) int, int) { // ERROR "can inline main.func13.2"
+ return func(x int) int { // ERROR "can inline main.func13.2"
+ return x + 1
+ }, 42
+ }() // ERROR "func literal does not escape" "inlining call to main.func13.2"
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }()
+ }
+
+ {
+ y := func(x int) int { // ERROR "can inline main.func14" "func literal does not escape"
+ return x + 2
+ }
+ y, ok = map[int]func(int) int{ // ERROR "does not escape"
+ 0: func(x int) int { return x + 1 }, // ERROR "can inline main.func15" "func literal escapes"
+ }[0]
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }
+
+ {
+ func() { // ERROR "func literal does not escape"
+ y := func(x int) int { // ERROR "can inline main.func16.1" "func literal does not escape"
+ return x + 2
+ }
+ y, ok = map[int]func(int) int{ // ERROR "does not escape"
+ 0: func(x int) int { return x + 1 }, // ERROR "can inline main.func16.2" "func literal escapes"
+ }[0]
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }()
+ }
+
+ {
+ y := func(x int) int { // ERROR "can inline main.func17" "func literal does not escape"
+ return x + 2
+ }
+ y, ok = interface{}(func(x int) int { // ERROR "can inline main.func18" "does not escape"
+ return x + 1
+ }).(func(int) int)
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }
+
+ {
+ func() { // ERROR "func literal does not escape"
+ y := func(x int) int { // ERROR "can inline main.func19.1" "func literal does not escape"
+ return x + 2
+ }
+ y, ok = interface{}(func(x int) int { // ERROR "can inline main.func19.2" "does not escape"
+ return x + 1
+ }).(func(int) int)
+ if y(40) != 41 {
+ ppanic("y(40) != 41")
+ }
+ }()
+ }
+
+ {
+ x := 42
+ if y := func() int { // ERROR "can inline main.func20"
+ return x
+ }(); y != 42 { // ERROR "inlining call to main.func20"
+ ppanic("y != 42")
+ }
+ if y := func() int { // ERROR "can inline main.func21" "func literal does not escape"
+ return x
+ }; y() != 42 { // ERROR "inlining call to main.func21"
+ ppanic("y() != 42")
+ }
+ }
+
+ {
+ x := 42
+ if z := func(y int) int { // ERROR "can inline main.func22"
+ return func() int { // ERROR "can inline main.func22.1" "can inline main.main.func22.func30"
+ return x + y
+ }() // ERROR "inlining call to main.func22.1"
+ }(1); z != 43 { // ERROR "inlining call to main.func22" "inlining call to main.main.func22.func30"
+ ppanic("z != 43")
+ }
+ if z := func(y int) int { // ERROR "func literal does not escape" "can inline main.func23"
+ return func() int { // ERROR "can inline main.func23.1" "can inline main.main.func23.func31"
+ return x + y
+ }() // ERROR "inlining call to main.func23.1"
+ }; z(1) != 43 { // ERROR "inlining call to main.func23" "inlining call to main.main.func23.func31"
+ ppanic("z(1) != 43")
+ }
+ }
+
+ {
+ a := 1
+ func() { // ERROR "can inline main.func24"
+ func() { // ERROR "can inline main.func24" "can inline main.main.func24.func32"
+ a = 2
+ }() // ERROR "inlining call to main.func24"
+ }() // ERROR "inlining call to main.func24" "inlining call to main.main.func24.func32"
+ if a != 2 {
+ ppanic("a != 2")
+ }
+ }
+
+ {
+ b := 2
+ func(b int) { // ERROR "func literal does not escape"
+ func() { // ERROR "can inline main.func25.1"
+ b = 3
+ }() // ERROR "inlining call to main.func25.1"
+ if b != 3 {
+ ppanic("b != 3")
+ }
+ }(b)
+ if b != 2 {
+ ppanic("b != 2")
+ }
+ }
+
+ {
+ c := 3
+ func() { // ERROR "can inline main.func26"
+ c = 4
+ func() {
+ if c != 4 {
+ ppanic("c != 4")
+ }
+ recover() // prevent inlining
+ }()
+ }() // ERROR "inlining call to main.func26" "func literal does not escape"
+ if c != 4 {
+ ppanic("c != 4")
+ }
+ }
+
+ {
+ a := 2
+ // This has an unfortunate exponential growth, where as we visit each
+ // function, we inline the inner closure, and that constructs a new
+ // function for any closures inside the inner function, and then we
+ // revisit those. E.g., func34 and func36 are constructed by the inliner.
+ if r := func(x int) int { // ERROR "can inline main.func27"
+ b := 3
+ return func(y int) int { // ERROR "can inline main.func27.1" "can inline main.main.func27.func34"
+ c := 5
+ return func(z int) int { // ERROR "can inline main.func27.1.1" "can inline main.main.func27.func34.1" "can inline main.func27.main.func27.1.func2" "can inline main.main.func27.main.main.func27.func34.func36"
+ return a*x + b*y + c*z
+ }(10) // ERROR "inlining call to main.func27.1.1"
+ }(100) // ERROR "inlining call to main.func27.1" "inlining call to main.func27.main.func27.1.func2"
+ }(1000); r != 2350 { // ERROR "inlining call to main.func27" "inlining call to main.main.func27.func34" "inlining call to main.main.func27.main.main.func27.func34.func36"
+ ppanic("r != 2350")
+ }
+ }
+
+ {
+ a := 2
+ if r := func(x int) int { // ERROR "can inline main.func28"
+ b := 3
+ return func(y int) int { // ERROR "can inline main.func28.1" "can inline main.main.func28.func35"
+ c := 5
+ func(z int) { // ERROR "can inline main.func28.1.1" "can inline main.func28.main.func28.1.func2" "can inline main.main.func28.func35.1" "can inline main.main.func28.main.main.func28.func35.func37"
+ a = a * x
+ b = b * y
+ c = c * z
+ }(10) // ERROR "inlining call to main.func28.1.1"
+ return a + c
+ }(100) + b // ERROR "inlining call to main.func28.1" "inlining call to main.func28.main.func28.1.func2"
+ }(1000); r != 2350 { // ERROR "inlining call to main.func28" "inlining call to main.main.func28.func35" "inlining call to main.main.func28.main.main.func28.func35.func37"
+ ppanic("r != 2350")
+ }
+ if a != 2000 {
+ ppanic("a != 2000")
+ }
+ }
+}
+
+//go:noinline
+func ppanic(s string) { // ERROR "leaking param: s"
+ panic(s) // ERROR "s escapes to heap"
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 23:01:53 +0000