builder/createInlineAsm:with independant logic to avoid goto operate

Author: luoliwoshang

compiler/inlineasm.go

@@ -29,6 +29,7 @@ func (b *builder) createInlineAsm(args []ssa.Value) (llvm.Value, error) {
 	return b.CreateCall(fnType, target, nil, ""), nil
 }
 
+
 // This is a compiler builtin, which allows assembly to be called in a flexible
 // way.
 //
@@ -46,7 +47,9 @@ func (b *builder) createInlineAsm(args []ssa.Value) (llvm.Value, error) {
 func (b *builder) createInlineAsmFull(instr *ssa.CallCommon) (llvm.Value, error) {
 	asmString := constant.StringVal(instr.Args[0].(*ssa.Const).Value)
 	registers := map[string]llvm.Value{}
+
 	if registerMap, ok := instr.Args[1].(*ssa.MakeMap); ok {
+	referrers:
 		for _, r := range *registerMap.Referrers() {
 			switch r := r.(type) {
 			case *ssa.DebugRef:
@@ -61,13 +64,12 @@ func (b *builder) createInlineAsmFull(instr *ssa.CallCommon) (llvm.Value, error)
 				if r.Common() == instr {
 					// Stop processing when we encounter the AsmFull call itself
 					// to avoid including MapUpdate operations that happen after the call
-					goto done
+					break referrers
 				}
 			default:
 				return llvm.Value{}, b.makeError(instr.Pos(), "don't know how to handle argument to inline assembly: "+r.String())
 			}
 		}
-	done:
 	}
 	// TODO: handle dollar signs in asm string
 	registerNumbers := map[string]int{}