message: Simplify construction of floating point constants.
diff: @@ -849,22 +849,12 @@ impl FunctionCodeGenerator<CodegenError> for LLVMFunctionCodeGenerator {
  }
  Operator::F32Const { value } => {
  let bits = intrinsics.i32_ty.const_int(value.bits() as u64, false);
  - let space =
  - builder.build_alloca(intrinsics.f32_ty.as_basic_type_enum(), "const_space");
  - let i32_space =
  - builder.build_pointer_cast(space, intrinsics.i32_ptr_ty, "i32_space");
  - builder.build_store(i32_space, bits);
  - let f = builder.build_load(space, "f");
  + let f = builder.build_bitcast(bits, intrinsics.f32_ty, "f");
  state.push1(f);
  }
  Operator::F64Const { value } => {
  let bits = intrinsics.i64_ty.const_int(value.bits(), false);
  - let space =
  - builder.build_alloca(intrinsics.f64_ty.as_basic_type_enum(), "const_space");
  - let i64_space =
  - builder.build_pointer_cast(space, intrinsics.i64_ptr_ty, "i32_space");
  - builder.build_store(i64_space, bits);
  - let f = builder.build_load(space, "f");
  + let f = builder.build_bitcast(bits, intrinsics.f64_ty, "f");
  state.push1(f);
  }
  