mirror of
https://github.com/golang/go
synced 2024-09-05 16:04:50 +00:00
![David Chase](/assets/img/avatar_default.png)
Reverses CL 308889. Fixes #45465. Updates #40724. Change-Id: I34b0d396dc34d0ec8c216e9b6a668de9dfce677c Reviewed-on: https://go-review.googlesource.com/c/go/+/310649 Trust: David Chase <drchase@google.com> Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com>
273 lines
5.7 KiB
Go
273 lines
5.7 KiB
Go
// build -goexperiment regabi,regabiargs
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"os"
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"reflect"
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)
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func main() {
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// Only print if there is a problem
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Caller2()
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if FailCount != 0 {
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fmt.Fprintf(os.Stderr, "FAILURES: %d\n", FailCount)
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os.Exit(2)
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}
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}
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var ParamFailCount int
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var ReturnFailCount int
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var FailCount int
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var Mode string
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type UtilsType int
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//go:noinline
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func NoteFailure(cm int, pidx int, fidx int, pkg string, pref string, parmNo int, isret bool, _ uint64) {
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if isret {
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if ParamFailCount != 0 {
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return
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}
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ReturnFailCount++
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} else {
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ParamFailCount++
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}
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fmt.Fprintf(os.Stderr, "Error: fail %s |%d|%d|%d| =%s.Test%d= %s %d\n", Mode, cm, pidx, fidx, pkg, fidx, pref, parmNo)
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if ParamFailCount+FailCount+ReturnFailCount > 9999 {
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os.Exit(1)
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}
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}
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//go:noinline
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func NoteFailureElem(cm int, pidx int, fidx int, pkg string, pref string, parmNo int, elem int, isret bool, _ uint64) {
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if isret {
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if ParamFailCount != 0 {
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return
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}
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ReturnFailCount++
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} else {
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ParamFailCount++
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}
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fmt.Fprintf(os.Stderr, "Error: fail %s |%d|%d|%d| =%s.Test%d= %s %d elem %d\n", Mode, cm, pidx, fidx, pkg, fidx, pref, parmNo, elem)
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if ParamFailCount+FailCount+ReturnFailCount > 9999 {
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os.Exit(1)
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}
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}
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func BeginFcn() {
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ParamFailCount = 0
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ReturnFailCount = 0
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}
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func EndFcn() {
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FailCount += ParamFailCount
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FailCount += ReturnFailCount
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}
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func Caller2() {
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BeginFcn()
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c0 := StructF2S0{F0: ArrayF2S1E1{New_3(float64(-0.4418990509835844))}}
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c1 := ArrayF2S2E1{StructF2S1{ /* _: "(z̽|" */ F1: ""}}
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c2 := int16(4162)
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c3 := float32(-7.667096e+37)
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c4 := int64(3202175648847048679)
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var p0 ArrayF2S0E0
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p0 = ArrayF2S0E0{}
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var p1 uint8
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p1 = uint8(57)
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var p2 uint16
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p2 = uint16(10920)
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var p3 float64
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p3 = float64(-1.597256501942112)
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Mode = ""
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// 5 returns 4 params
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r0, r1, r2, r3, r4 := Test2(p0, p1, p2, p3)
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if !EqualStructF2S0(r0, c0) {
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NoteFailure(9, 42, 2, "genChecker42", "return", 0, true, uint64(0))
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}
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if r1 != c1 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 1, true, uint64(0))
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}
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if r2 != c2 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 2, true, uint64(0))
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}
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if r3 != c3 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 3, true, uint64(0))
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}
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if r4 != c4 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 4, true, uint64(0))
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}
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// same call via reflection
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Mode = "reflect"
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rc := reflect.ValueOf(Test2)
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rvslice := rc.Call([]reflect.Value{reflect.ValueOf(p0), reflect.ValueOf(p1), reflect.ValueOf(p2), reflect.ValueOf(p3)})
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rr0i := rvslice[0].Interface()
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rr0v := rr0i.(StructF2S0)
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if !EqualStructF2S0(rr0v, c0) {
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NoteFailure(9, 42, 2, "genChecker42", "return", 0, true, uint64(0))
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}
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rr1i := rvslice[1].Interface()
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rr1v := rr1i.(ArrayF2S2E1)
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if rr1v != c1 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 1, true, uint64(0))
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}
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rr2i := rvslice[2].Interface()
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rr2v := rr2i.(int16)
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if rr2v != c2 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 2, true, uint64(0))
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}
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rr3i := rvslice[3].Interface()
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rr3v := rr3i.(float32)
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if rr3v != c3 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 3, true, uint64(0))
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}
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rr4i := rvslice[4].Interface()
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rr4v := rr4i.(int64)
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if rr4v != c4 {
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NoteFailure(9, 42, 2, "genChecker42", "return", 4, true, uint64(0))
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}
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EndFcn()
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}
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type StructF0S0 struct {
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}
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type ArrayF0S0E2 [2]int16
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type ArrayF0S1E1 [1]StructF0S0
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type StructF1S0 struct {
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F0 StructF1S1
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_ ArrayF1S0E4
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}
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type StructF1S1 struct {
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}
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type StructF1S2 struct {
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F0 uint32
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F1 uint8
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F2 string
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F3 string
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F4 ArrayF1S1E1
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}
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type StructF1S3 struct {
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F0 float64
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}
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type StructF1S4 struct {
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_ int32
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F1 float32
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}
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type StructF1S5 struct {
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F0 uint16
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}
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type StructF1S6 struct {
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F0 uint8
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F1 uint32
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}
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type ArrayF1S0E4 [4]float64
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type ArrayF1S1E1 [1]StructF1S3
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type ArrayF1S2E2 [2]StructF1S4
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type ArrayF1S3E2 [2]StructF1S5
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type ArrayF1S4E4 [4]ArrayF1S5E3
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type ArrayF1S5E3 [3]string
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type ArrayF1S6E1 [1]float64
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type StructF2S0 struct {
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F0 ArrayF2S1E1
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}
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// equal func for StructF2S0
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//go:noinline
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func EqualStructF2S0(left StructF2S0, right StructF2S0) bool {
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return EqualArrayF2S1E1(left.F0, right.F0)
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}
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type StructF2S1 struct {
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_ string
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F1 string
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}
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type ArrayF2S0E0 [0]int8
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type ArrayF2S1E1 [1]*float64
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// equal func for ArrayF2S1E1
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//go:noinline
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func EqualArrayF2S1E1(left ArrayF2S1E1, right ArrayF2S1E1) bool {
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return *left[0] == *right[0]
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}
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type ArrayF2S2E1 [1]StructF2S1
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// 5 returns 4 params
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//go:registerparams
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//go:noinline
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func Test2(p0 ArrayF2S0E0, p1 uint8, _ uint16, p3 float64) (r0 StructF2S0, r1 ArrayF2S2E1, r2 int16, r3 float32, r4 int64) {
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// consume some stack space, so as to trigger morestack
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var pad [16]uint64
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pad[FailCount&0x1]++
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rc0 := StructF2S0{F0: ArrayF2S1E1{New_3(float64(-0.4418990509835844))}}
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rc1 := ArrayF2S2E1{StructF2S1{ /* _: "(z̽|" */ F1: ""}}
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rc2 := int16(4162)
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rc3 := float32(-7.667096e+37)
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rc4 := int64(3202175648847048679)
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p1f0c := uint8(57)
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if p1 != p1f0c {
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NoteFailureElem(9, 42, 2, "genChecker42", "parm", 1, 0, false, pad[0])
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return
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}
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_ = uint16(10920)
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p3f0c := float64(-1.597256501942112)
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if p3 != p3f0c {
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NoteFailureElem(9, 42, 2, "genChecker42", "parm", 3, 0, false, pad[0])
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return
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}
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defer func(p0 ArrayF2S0E0, p1 uint8) {
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// check parm passed
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// check parm passed
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if p1 != p1f0c {
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NoteFailureElem(9, 42, 2, "genChecker42", "parm", 1, 0, false, pad[0])
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return
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}
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// check parm captured
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if p3 != p3f0c {
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NoteFailureElem(9, 42, 2, "genChecker42", "parm", 3, 0, false, pad[0])
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return
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}
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}(p0, p1)
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return rc0, rc1, rc2, rc3, rc4
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// 0 addr-taken params, 0 addr-taken returns
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}
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//go:noinline
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func New_3(i float64) *float64 {
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x := new(float64)
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*x = i
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return x
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}
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