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[dev.ssa] cmd/compile: fix build

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Some tests make multiple Funcs per Config at once.
With value & block caching, we can't do that any more.

Change-Id: Ibdb60aa2fcf478f1726b3be0fcaa06b04433eb67
Reviewed-on: https://go-review.googlesource.com/19081
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Keith Randall 2016-01-28 16:11:56 -08:00
parent 2f57d0fe02
commit 4c5459da2b
3 changed files with 22 additions and 17 deletions
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1
src/cmd/compile/internal/gc/ssa.go
View File

@ -224,6 +224,7 @@ func buildssa(fn *Node) *ssa.Func {
}
if nerrors > 0 {
s.f.Free()
return nil
}

32
src/cmd/compile/internal/ssa/func_test.go
View File

@ -139,8 +139,7 @@ type fun struct {
// supplied to one of the Bloc functions. Each of the bloc names and
// valu names should be unique across the Fun.
func Fun(c *Config, entry string, blocs ...bloc) fun {
f := new(Func)
f.Config = c
f := c.NewFunc()
blocks := make(map[string]*Block)
values := make(map[string]*Value)
// Create all the blocks and values.
@ -282,11 +281,10 @@ func TestArgs(t *testing.T) {
}
func TestEquiv(t *testing.T) {
c := testConfig(t)
equivalentCases := []struct{ f, g fun }{
// simple case
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("a", OpConst64, TypeInt64, 14, nil),
Valu("b", OpConst64, TypeInt64, 26, nil),
@ -295,7 +293,7 @@ func TestEquiv(t *testing.T) {
Goto("exit")),
Bloc("exit",
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("a", OpConst64, TypeInt64, 14, nil),
Valu("b", OpConst64, TypeInt64, 26, nil),
@ -307,7 +305,7 @@ func TestEquiv(t *testing.T) {
},
// block order changed
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("a", OpConst64, TypeInt64, 14, nil),
Valu("b", OpConst64, TypeInt64, 26, nil),
@ -316,7 +314,7 @@ func TestEquiv(t *testing.T) {
Goto("exit")),
Bloc("exit",
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("exit",
Exit("mem")),
Bloc("entry",
@ -338,26 +336,26 @@ func TestEquiv(t *testing.T) {
differentCases := []struct{ f, g fun }{
// different shape
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Goto("exit")),
Bloc("exit",
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Exit("mem"))),
},
// value order changed
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("b", OpConst64, TypeInt64, 26, nil),
Valu("a", OpConst64, TypeInt64, 14, nil),
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 14, nil),
@ -366,12 +364,12 @@ func TestEquiv(t *testing.T) {
},
// value auxint different
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 14, nil),
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 26, nil),
@ -379,12 +377,12 @@ func TestEquiv(t *testing.T) {
},
// value aux different
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 0, 14),
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 0, 26),
@ -392,14 +390,14 @@ func TestEquiv(t *testing.T) {
},
// value args different
{
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 14, nil),
Valu("b", OpConst64, TypeInt64, 26, nil),
Valu("sum", OpAdd64, TypeInt64, 0, nil, "a", "b"),
Exit("mem"))),
Fun(c, "entry",
Fun(testConfig(t), "entry",
Bloc("entry",
Valu("mem", OpInitMem, TypeMem, 0, ".mem"),
Valu("a", OpConst64, TypeInt64, 0, nil),

6
src/cmd/compile/internal/ssa/shift_test.go
View File

@ -12,16 +12,22 @@ func TestShiftConstAMD64(t *testing.T) {
c := testConfig(t)
fun := makeConstShiftFunc(c, 18, OpLsh64x64, TypeUInt64)
checkOpcodeCounts(t, fun.f, map[Op]int{OpAMD64SHLQconst: 1, OpAMD64CMPQconst: 0, OpAMD64ANDQconst: 0})
fun.f.Free()
fun = makeConstShiftFunc(c, 66, OpLsh64x64, TypeUInt64)
checkOpcodeCounts(t, fun.f, map[Op]int{OpAMD64SHLQconst: 0, OpAMD64CMPQconst: 0, OpAMD64ANDQconst: 0})
fun.f.Free()
fun = makeConstShiftFunc(c, 18, OpRsh64Ux64, TypeUInt64)
checkOpcodeCounts(t, fun.f, map[Op]int{OpAMD64SHRQconst: 1, OpAMD64CMPQconst: 0, OpAMD64ANDQconst: 0})
fun.f.Free()
fun = makeConstShiftFunc(c, 66, OpRsh64Ux64, TypeUInt64)
checkOpcodeCounts(t, fun.f, map[Op]int{OpAMD64SHRQconst: 0, OpAMD64CMPQconst: 0, OpAMD64ANDQconst: 0})
fun.f.Free()
fun = makeConstShiftFunc(c, 18, OpRsh64x64, TypeInt64)
checkOpcodeCounts(t, fun.f, map[Op]int{OpAMD64SARQconst: 1, OpAMD64CMPQconst: 0})
fun.f.Free()
fun = makeConstShiftFunc(c, 66, OpRsh64x64, TypeInt64)
checkOpcodeCounts(t, fun.f, map[Op]int{OpAMD64SARQconst: 1, OpAMD64CMPQconst: 0})
fun.f.Free()
}
func makeConstShiftFunc(c *Config, amount int64, op Op, typ Type) fun {