Subzero: Fix x86 floating-point constant emission

src/IceGlobalContext.h

Index: src/IceGlobalContext.h
diff --git a/src/IceGlobalContext.h b/src/IceGlobalContext.h
index 1ad5f07ea52201447b02d2d427c8893865e4046f..beb5bc077e1de921623e0fc0b0a1dcc359b02f21 100644
--- a/src/IceGlobalContext.h
+++ b/src/IceGlobalContext.h
@@ -77,6 +77,9 @@ public:
   // Returns a symbolic constant.
   Constant *getConstantSym(Type Ty, int64_t Offset, const IceString &Name = "",
                            bool SuppressMangling = false);
+  // getConstantPool() returns a copy of the constant pool for
+  // constants of a given type.
+  ConstantList getConstantPool(Type Ty) const;
 
   // Allocate data of type T using the global allocator.
   template <typename T> T *allocate() { return Allocator.Allocate<T>(); }