Subzero: Simplify the constant pools.

src/IceGlobalContext.h

Index: src/IceGlobalContext.h
diff --git a/src/IceGlobalContext.h b/src/IceGlobalContext.h
index 43f65ad8fe8a747cfddb85b2a0dd7faac3f59e18..6b3a17c1ab8e69890a6b5a2ac75dd983bdaa6ca8 100644
--- a/src/IceGlobalContext.h
+++ b/src/IceGlobalContext.h
@@ -113,13 +113,15 @@ public:
   // Manage Constants.
   // getConstant*() functions are not const because they might add
   // something to the constant pool.
-  Constant *getConstantInt32(Type Ty, uint32_t ConstantInt32);
-  Constant *getConstantInt64(Type Ty, uint64_t ConstantInt64);
+  Constant *getConstantInt1(int8_t ConstantInt1);
+  Constant *getConstantInt8(int8_t ConstantInt8);
+  Constant *getConstantInt16(int16_t ConstantInt16);
+  Constant *getConstantInt32(int32_t ConstantInt32);
+  Constant *getConstantInt64(int64_t ConstantInt64);
   Constant *getConstantFloat(float Value);
   Constant *getConstantDouble(double Value);
   // Returns a symbolic constant.
-  Constant *getConstantSym(Type Ty, RelocOffsetT Offset,
-                           const IceString &Name = "",
+  Constant *getConstantSym(RelocOffsetT Offset, const IceString &Name = "",
                            bool SuppressMangling = false);
   // Returns an undef.
   Constant *getConstantUndef(Type Ty);