Prefer to use qualified type names in generated code.

Emit type names like ir::Foo instead of just Foo to avoid very long
manual use declarations in files including generated code.

lib/cretonne/src/ir/builder.rs

@@ -3,13 +3,11 @@
 //! A `Builder` provides a convenient interface for inserting instructions into a Cretonne
 //! function. Many of its methods are generated from the meta language instruction definitions.
 
+use ir;
 use ir::types;
 use ir::{InstructionData, DataFlowGraph};
-use ir::{Opcode, Type, Inst, Value, Ebb, JumpTable, SigRef, FuncRef, StackSlot, GlobalVar,
-         ValueList, MemFlags};
-use ir::immediates::{Imm64, Uimm8, Ieee32, Ieee64, Offset32, Uoffset32};
-use ir::condcodes::{IntCC, FloatCC};
-use isa::RegUnit;
+use ir::{Opcode, Type, Inst, Value};
+use isa;
 
 /// Base trait for instruction builders.
 ///

lib/cretonne/src/isa/riscv/enc_tables.rs

@@ -1,6 +1,5 @@
 //! Encoding tables for RISC-V.
 
-use ir::condcodes::IntCC;
 use ir;
 use isa;
 use isa::constraints::*;

lib/cretonne/src/legalizer/mod.rs

@@ -17,7 +17,6 @@ use cursor::{Cursor, FuncCursor};
 use dominator_tree::DominatorTree;
 use flowgraph::ControlFlowGraph;
 use ir;
-use ir::condcodes::IntCC;
 use isa::TargetIsa;
 use bitset::BitSet;