cmd/compile: fix format verbs in ssa package

%s is no longer valid.  Use %v instead.

Change-Id: I5ec4fa6a9280082c1a0c75fd1cf94b4bb8096f5c
Reviewed-on: https://go-review.googlesource.com/29365Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/cmd/compile/internal/ssa/location.go

@@ -33,9 +33,9 @@ type LocalSlot struct {
 
 func (s LocalSlot) Name() string {
 	if s.Off == 0 {
-		return fmt.Sprintf("%s[%s]", s.N, s.Type)
+		return fmt.Sprintf("%v[%v]", s.N, s.Type)
 	}
-	return fmt.Sprintf("%s+%d[%s]", s.N, s.Off, s.Type)
+	return fmt.Sprintf("%v+%d[%v]", s.N, s.Off, s.Type)
 }
 
 type LocPair [2]Location

src/cmd/compile/internal/ssa/value.go

@@ -97,7 +97,7 @@ func (v *Value) AuxValAndOff() ValAndOff {
 
 // long form print.  v# = opcode <type> [aux] args [: reg]
 func (v *Value) LongString() string {
-	s := fmt.Sprintf("v%d = %s", v.ID, v.Op.String())
+	s := fmt.Sprintf("v%d = %s", v.ID, v.Op)
 	s += " <" + v.Type.String() + ">"
 	s += v.auxString()
 	for _, a := range v.Args {
@@ -134,12 +134,12 @@ func (v *Value) auxString() string {
 		return fmt.Sprintf(" {%q}", v.Aux)
 	case auxSym:
 		if v.Aux != nil {
-			return fmt.Sprintf(" {%s}", v.Aux)
+			return fmt.Sprintf(" {%v}", v.Aux)
 		}
 	case auxSymOff, auxSymInt32:
 		s := ""
 		if v.Aux != nil {
-			s = fmt.Sprintf(" {%s}", v.Aux)
+			s = fmt.Sprintf(" {%v}", v.Aux)
 		}
 		if v.AuxInt != 0 {
 			s += fmt.Sprintf(" [%v]", v.AuxInt)
@@ -148,7 +148,7 @@ func (v *Value) auxString() string {
 	case auxSymValAndOff:
 		s := ""
 		if v.Aux != nil {
-			s = fmt.Sprintf(" {%s}", v.Aux)
+			s = fmt.Sprintf(" {%v}", v.Aux)
 		}
 		return s + fmt.Sprintf(" [%s]", v.AuxValAndOff())
 	}