[SubZero] Implement lowerSwitch for MIPS

src/IceInstMIPS32.cpp

Index: src/IceInstMIPS32.cpp
diff --git a/src/IceInstMIPS32.cpp b/src/IceInstMIPS32.cpp
index c61fc9f4c13f1f7bba69c2cd902de9f9f6aad1dd..daa3c6b2990d9f10ce58e41e00934f4616aab343 100644
--- a/src/IceInstMIPS32.cpp
+++ b/src/IceInstMIPS32.cpp
@@ -430,8 +430,11 @@ void InstMIPS32Br::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   Str << "\t"
          "b" << InstMIPS32CondAttributes[Predicate].EmitString << "\t";
-  if (Label) {
-    Str << Label->getLabelName();
+  if (Label != nullptr) {
+    getSrc(0)->emit(Func);
+    Str << ", ";
+    getSrc(1)->emit(Func);
+    Str << ", " << Label->getLabelName();
   } else {
     if (isUnconditionalBranch()) {
       Str << getTargetFalse()->getAsmName();
@@ -475,8 +478,11 @@ void InstMIPS32Br::dump(const Cfg *Func) const {
   Str << "\t"
          "b" << InstMIPS32CondAttributes[Predicate].EmitString << "\t";
 
-  if (Label) {
-    Str << Label->getLabelName();
+  if (Label != nullptr) {
+    getSrc(0)->emit(Func);

[Jim Stichnoth, 2016/08/30 13:20:36]

These two emit() calls should be dump().

[jaydeep.patil, 2016/08/31 04:10:23]

Done.

+    Str << ", ";
+    getSrc(1)->emit(Func);
+    Str << ", " << Label->getLabelName();
   } else {
     if (isUnconditionalBranch()) {
       Str << getTargetFalse()->getAsmName();