cmd/compile: delete unused code and fix typo in comment

Change-Id: Ia1f1c7d5563a74950c47cf3ebdcb600b34c83e85
GitHub-Last-Rev: bd58214
GitHub-Pull-Request: #65527
Reviewed-on: https://go-review.googlesource.com/c/go/+/561355
Auto-Submit: Matthew Dempsky <[email protected]>
Run-TryBot: Robert Griesemer <[email protected]>
Reviewed-by: Robert Griesemer <[email protected]>
Reviewed-by: Matthew Dempsky <[email protected]>
TryBot-Result: Gopher Robot <[email protected]>

Author: Jun10ng

src/cmd/compile/internal/inline/inl.go

@@ -78,7 +78,7 @@ var (
 )
 
 // PGOInlinePrologue records the hot callsites from ir-graph.
-func PGOInlinePrologue(p *pgo.Profile, funcs []*ir.Func) {
+func PGOInlinePrologue(p *pgo.Profile) {
 	if base.Debug.PGOInlineCDFThreshold != "" {
 		if s, err := strconv.ParseFloat(base.Debug.PGOInlineCDFThreshold, 64); err == nil && s >= 0 && s <= 100 {
 			inlineCDFHotCallSiteThresholdPercent = s
@@ -119,7 +119,7 @@ func PGOInlinePrologue(p *pgo.Profile, funcs []*ir.Func) {
 // a percent, is the lower bound of weight for nodes to be considered hot
 // (currently only used in debug prints) (in case of equal weights,
 // comparing with the threshold may not accurately reflect which nodes are
-// considiered hot).
+// considered hot).
 func hotNodesFromCDF(p *pgo.Profile) (float64, []pgo.NamedCallEdge) {
 	cum := int64(0)
 	for i, n := range p.NamedEdgeMap.ByWeight {
@@ -138,7 +138,7 @@ func hotNodesFromCDF(p *pgo.Profile) (float64, []pgo.NamedCallEdge) {
 // CanInlineFuncs computes whether a batch of functions are inlinable.
 func CanInlineFuncs(funcs []*ir.Func, profile *pgo.Profile) {
 	if profile != nil {
-		PGOInlinePrologue(profile, funcs)
+		PGOInlinePrologue(profile)
 	}
 
 	ir.VisitFuncsBottomUp(funcs, func(list []*ir.Func, recursive bool) {
@@ -227,7 +227,7 @@ func GarbageCollectUnreferencedHiddenClosures() {
 }
 
 // inlineBudget determines the max budget for function 'fn' prior to
-// analyzing the hairyness of the body of 'fn'. We pass in the pgo
+// analyzing the hairiness of the body of 'fn'. We pass in the pgo
 // profile if available (which can change the budget), also a
 // 'relaxed' flag, which expands the budget slightly to allow for the
 // possibility that a call to the function might have its score
@@ -239,7 +239,7 @@ func inlineBudget(fn *ir.Func, profile *pgo.Profile, relaxed bool, verbose bool)
 	if profile != nil {
 		if n, ok := profile.WeightedCG.IRNodes[ir.LinkFuncName(fn)]; ok {
 			if _, ok := candHotCalleeMap[n]; ok {
-				budget = int32(inlineHotMaxBudget)
+				budget = inlineHotMaxBudget
 				if verbose {
 					fmt.Printf("hot-node enabled increased budget=%v for func=%v\n", budget, ir.PkgFuncName(fn))
 				}
@@ -322,10 +322,9 @@ func CanInline(fn *ir.Func, profile *pgo.Profile) {
 	}
 
 	n.Func.Inl = &ir.Inline{
-		Cost:    budget - visitor.budget,
-		Dcl:     pruneUnusedAutos(n.Func.Dcl, &visitor),
-		HaveDcl: true,
-
+		Cost:            budget - visitor.budget,
+		Dcl:             pruneUnusedAutos(n.Func.Dcl, &visitor),
+		HaveDcl:         true,
 		CanDelayResults: canDelayResults(fn),
 	}
 	if base.Flag.LowerM != 0 || logopt.Enabled() {

src/cmd/compile/internal/inline/inlheur/analyze.go

@@ -95,7 +95,7 @@ func AnalyzeFunc(fn *ir.Func, canInline func(*ir.Func), budgetForFunc func(*ir.F
 	// only after the closures it contains have been processed, so
 	// iterate through the list in reverse order. Once a function has
 	// been analyzed, revisit the question of whether it should be
-	// inlinable; if it is over the default hairyness limit and it
+	// inlinable; if it is over the default hairiness limit and it
 	// doesn't have any interesting properties, then we don't want
 	// the overhead of writing out its inline body.
 	nameFinder := newNameFinder(fn)

src/cmd/compile/internal/inline/inlheur/scoring.go

@@ -590,7 +590,7 @@ func GetCallSiteScore(fn *ir.Func, call *ir.CallExpr) (int, bool) {
 
 // BudgetExpansion returns the amount to relax/expand the base
 // inlining budget when the new inliner is turned on; the inliner
-// will add the returned value to the hairyness budget.
+// will add the returned value to the hairiness budget.
 //
 // Background: with the new inliner, the score for a given callsite
 // can be adjusted down by some amount due to heuristics, however we
@@ -617,7 +617,7 @@ var allCallSites CallSiteTab
 // along with info on call site scoring and the adjustments made to a
 // given score. Here profile is the PGO profile in use (may be
 // nil), budgetCallback is a callback that can be invoked to find out
-// the original pre-adjustment hairyness limit for the function, and
+// the original pre-adjustment hairiness limit for the function, and
 // inlineHotMaxBudget is the constant of the same name used in the
 // inliner. Sample output lines:
 //
@@ -629,7 +629,7 @@ var allCallSites CallSiteTab
 //
 // In the dump above, "Score" is the final score calculated for the
 // callsite, "Adjustment" is the amount added to or subtracted from
-// the original hairyness estimate to form the score. "Status" shows
+// the original hairiness estimate to form the score. "Status" shows
 // whether anything changed with the site -- did the adjustment bump
 // it down just below the threshold ("PROMOTED") or instead bump it
 // above the threshold ("DEMOTED"); this will be blank ("---") if no

src/cmd/compile/internal/inline/interleaved/interleaved.go

@@ -39,7 +39,7 @@ func DevirtualizeAndInlinePackage(pkg *ir.Package, profile *pgo.Profile) {
 		inlProfile = profile
 	}
 	if inlProfile != nil {
-		inline.PGOInlinePrologue(inlProfile, pkg.Funcs)
+		inline.PGOInlinePrologue(inlProfile)
 	}
 
 	ir.VisitFuncsBottomUp(pkg.Funcs, func(funcs []*ir.Func, recursive bool) {

src/internal/profile/graph.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// Package graph represents a pprof profile as a directed graph.
+// Package profile represents a pprof profile as a directed graph.
 //
 // This package is a simplified fork of github.com/google/pprof/internal/graph.
 package profile