Provide repointEdges for MIPS.

src/IceInstMIPS32.cpp

@@ -200,6 +200,19 @@ InstMIPS32Br::InstMIPS32Br(Cfg *Func, const CfgNode *TargetTrue,
   addSource(Src1);
 }
 
+bool InstMIPS32Br::repointEdges(CfgNode *OldNode, CfgNode *NewNode) {
+  bool Found = false;
+  if (TargetFalse == OldNode) {
+    TargetFalse = NewNode;
+    Found = true;
+  }
+  if (TargetTrue == OldNode) {
+    TargetTrue = NewNode;
+    Found = true;
+  }
+  return Found;
+}
+
 InstMIPS32Label::InstMIPS32Label(Cfg *Func, TargetMIPS32 *Target)
     : InstMIPS32(Func, InstMIPS32::Label, 0, nullptr),
       Number(Target->makeNextLabelNumber()) {

src/IceInstMIPS32.h

@@ -502,8 +502,7 @@ class InstMIPS32Load : public InstMIPS32 {
 
 public:
   static InstMIPS32Load *create(Cfg *Func, Variable *Value,
-                                  OperandMIPS32Mem *Mem,
-                                  RelocOp Reloc = RO_No) {
+                                OperandMIPS32Mem *Mem, RelocOp Reloc = RO_No) {
     return new (Func->allocate<InstMIPS32Load>())
         InstMIPS32Load(Func, Value, Mem, Reloc);
   }
@@ -559,8 +558,7 @@ class InstMIPS32Store : public InstMIPS32 {
 
 public:
   static InstMIPS32Store *create(Cfg *Func, Variable *Value,
-                                  OperandMIPS32Mem *Mem,
-                                  RelocOp Reloc = RO_No) {
+                                 OperandMIPS32Mem *Mem, RelocOp Reloc = RO_No) {
     return new (Func->allocate<InstMIPS32Store>())
         InstMIPS32Store(Func, Value, Mem, Reloc);
   }
@@ -675,11 +673,7 @@ public:
   bool isUnconditionalBranch() const override {
     return Predicate == CondMIPS32::AL;
   }
-  bool repointEdges(CfgNode *OldNode, CfgNode *NewNode) override {
-    (void)OldNode;
-    (void)NewNode;
-    return true;
-  };
+  bool repointEdges(CfgNode *OldNode, CfgNode *NewNode) override;
   void emit(const Cfg *Func) const override;
   void emitIAS(const Cfg *Func) const override { (void)Func; };
   void dump(const Cfg *Func) const override;