Subzero: Simplify the constant pools.

src/IceOperand.cpp

Index: src/IceOperand.cpp
diff --git a/src/IceOperand.cpp b/src/IceOperand.cpp
index 583a6bcbbf5d0852a3336e1a3512fee5b806b358..84dd6dae2af0ef20e6358d47124a560df8ee92ff 100644
--- a/src/IceOperand.cpp
+++ b/src/IceOperand.cpp
@@ -20,12 +20,10 @@
 
 namespace Ice {
 
-bool operator<(const RelocatableTuple &A, const RelocatableTuple &B) {
-  if (A.Offset != B.Offset)
-    return A.Offset < B.Offset;
-  if (A.SuppressMangling != B.SuppressMangling)
-    return A.SuppressMangling < B.SuppressMangling;
-  return A.Name < B.Name;
+bool operator==(const RelocatableTuple &A, const RelocatableTuple &B) {
+  if (A.Offset != B.Offset || A.SuppressMangling != B.SuppressMangling)
+    return false;
+  return A.Name == B.Name;
 }
 
 bool operator<(const RegWeight &A, const RegWeight &B) {