Remove test_utils.

These test utilities have been subsumed by ir::Builder.

src/libcretonne/lib.rs

@@ -23,6 +23,3 @@ mod write;
 mod constant_hash;
 mod predicates;
 mod legalizer;
-
-#[cfg(test)]
-pub mod test_utils;

src/libcretonne/test_utils/make_inst.rs

@@ -1,37 +0,0 @@
-//! Helper functions for generating dummy instructions.
-
-use ir::{Function, Ebb, Inst, Opcode};
-use ir::entities::NO_VALUE;
-use ir::instructions::{InstructionData, ReturnData, VariableArgs, JumpData, BranchData};
-use ir::types;
-
-pub fn jump(func: &mut Function, dest: Ebb) -> Inst {
-    func.dfg.make_inst(InstructionData::Jump {
-        opcode: Opcode::Jump,
-        ty: types::VOID,
-        data: Box::new(JumpData {
-            destination: dest,
-            varargs: VariableArgs::new(),
-        }),
-    })
-}
-
-pub fn branch(func: &mut Function, dest: Ebb) -> Inst {
-    func.dfg.make_inst(InstructionData::Branch {
-        opcode: Opcode::Brz,
-        ty: types::VOID,
-        data: Box::new(BranchData {
-            arg: NO_VALUE,
-            destination: dest,
-            varargs: VariableArgs::new(),
-        }),
-    })
-}
-
-pub fn ret(func: &mut Function) -> Inst {
-    func.dfg.make_inst(InstructionData::Return {
-        opcode: Opcode::Return,
-        ty: types::VOID,
-        data: Box::new(ReturnData { varargs: VariableArgs::new() }),
-    })
-}

src/libcretonne/test_utils/mod.rs

@@ -1,3 +0,0 @@
-//! Test utility functions.
-
-pub mod make_inst;