core: Add BreakContinueHooks for gen_for_callback
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13beeaa2bf
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075536d7bd
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@ -725,7 +725,7 @@ pub fn call_numpy_min<'ctx, G: CodeGenerator + ?Sized>(
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ctx,
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llvm_usize.const_int(1, false),
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(n_sz, false),
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|generator, ctx, idx| {
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|generator, ctx, _, idx| {
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let elem = unsafe { n.data().get_unchecked(ctx, generator, &idx, None) };
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let accumulator = ctx.builder.build_load(accumulator_addr, "").unwrap();
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@ -941,7 +941,7 @@ pub fn call_numpy_max<'ctx, G: CodeGenerator + ?Sized>(
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ctx,
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llvm_usize.const_int(1, false),
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(n_sz, false),
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|generator, ctx, idx| {
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|generator, ctx, _, idx| {
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let elem = unsafe { n.data().get_unchecked(ctx, generator, &idx, None) };
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let accumulator = ctx.builder.build_load(accumulator_addr, "").unwrap();
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@ -1719,7 +1719,7 @@ impl<'ctx, Index: UntypedArrayLikeAccessor<'ctx>> ArrayLikeIndexer<'ctx, Index>
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ctx,
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llvm_usize.const_zero(),
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(len, false),
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|generator, ctx, i| {
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|generator, ctx, _, i| {
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let (dim_idx, dim_sz) = unsafe {
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(
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indices.get_unchecked(ctx, generator, &i, None).into_int_value(),
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@ -800,7 +800,7 @@ pub fn call_ndarray_calc_broadcast<'ctx, G: CodeGenerator + ?Sized>(
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ctx,
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llvm_usize.const_zero(),
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(min_ndims, false),
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|generator, ctx, idx| {
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|generator, ctx, _, idx| {
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let idx = ctx.builder.build_int_sub(min_ndims, idx, "").unwrap();
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let (lhs_dim_sz, rhs_dim_sz) = unsafe {
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(
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@ -86,7 +86,7 @@ where
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ctx,
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llvm_usize.const_zero(),
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(shape_len, false),
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|generator, ctx, i| {
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|generator, ctx, _, i| {
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let shape_dim = shape_data_fn(generator, ctx, shape, i)?;
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debug_assert!(shape_dim.get_type().get_bit_width() <= llvm_usize.get_bit_width());
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@ -131,7 +131,7 @@ where
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ctx,
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llvm_usize.const_zero(),
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(shape_len, false),
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|generator, ctx, i| {
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|generator, ctx, _, i| {
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let shape_dim = shape_data_fn(generator, ctx, shape, i)?;
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debug_assert!(shape_dim.get_type().get_bit_width() <= llvm_usize.get_bit_width());
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let shape_dim = ctx.builder.build_int_z_extend(shape_dim, llvm_usize, "").unwrap();
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@ -382,7 +382,7 @@ where
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ctx,
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llvm_usize.const_zero(),
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(ndarray_num_elems, false),
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|generator, ctx, i| {
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|generator, ctx, _, i| {
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let elem = unsafe { ndarray.data().ptr_offset_unchecked(ctx, generator, &i, None) };
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let value = value_fn(generator, ctx, i)?;
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@ -1243,7 +1243,7 @@ pub fn ndarray_sliced_copy<'ctx, G: CodeGenerator + ?Sized>(
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ctx,
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llvm_usize.const_int(slices.len() as u64, false),
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(this.load_ndims(ctx), false),
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|generator, ctx, idx| {
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|generator, ctx, _, idx| {
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unsafe {
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let dim_sz = this.dim_sizes().get_typed_unchecked(ctx, generator, &idx, None);
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ndarray.dim_sizes().set_typed_unchecked(ctx, generator, &idx, dim_sz);
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@ -1647,7 +1647,7 @@ pub fn ndarray_matmul_2d<'ctx, G: CodeGenerator>(
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ctx,
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llvm_i32.const_zero(),
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(common_dim, false),
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|generator, ctx, i| {
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|generator, ctx, _, i| {
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let i = ctx.builder.build_int_truncate(i, llvm_i32, "").unwrap();
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let ab_idx = generator.gen_array_var_alloc(
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@ -464,6 +464,16 @@ pub fn gen_for<G: CodeGenerator>(
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Ok(())
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}
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#[derive(PartialEq, Eq, Debug, Clone, Copy, Hash)]
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pub struct BreakContinueHooks<'ctx> {
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/// The [exit block][`BasicBlock`] to branch to when `break`-ing out of a loop.
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pub exit_bb: BasicBlock<'ctx>,
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/// The [latch basic block][`BasicBlock`] to branch to for `continue`-ing to the next iteration
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/// of the loop.
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pub latch_bb: BasicBlock<'ctx>,
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}
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/// Generates a C-style `for` construct using lambdas, similar to the following C code:
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///
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/// ```c
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@ -491,7 +501,8 @@ where
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I: Clone,
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InitFn: FnOnce(&mut G, &mut CodeGenContext<'ctx, 'a>) -> Result<I, String>,
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CondFn: FnOnce(&mut G, &mut CodeGenContext<'ctx, 'a>, I) -> Result<IntValue<'ctx>, String>,
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BodyFn: FnOnce(&mut G, &mut CodeGenContext<'ctx, 'a>, I) -> Result<(), String>,
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BodyFn:
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FnOnce(&mut G, &mut CodeGenContext<'ctx, 'a>, BreakContinueHooks, I) -> Result<(), String>,
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UpdateFn: FnOnce(&mut G, &mut CodeGenContext<'ctx, 'a>, I) -> Result<(), String>,
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{
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let current_bb = ctx.builder.get_insert_block().unwrap();
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@ -522,7 +533,8 @@ where
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}
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ctx.builder.position_at_end(body_bb);
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body(generator, ctx, loop_var.clone())?;
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let hooks = BreakContinueHooks { exit_bb: cont_bb, latch_bb: update_bb };
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body(generator, ctx, hooks, loop_var.clone())?;
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if !ctx.is_terminated() {
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ctx.builder.build_unconditional_branch(update_bb).unwrap();
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}
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@ -564,7 +576,12 @@ pub fn gen_for_callback_incrementing<'ctx, 'a, G, BodyFn>(
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) -> Result<(), String>
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where
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G: CodeGenerator + ?Sized,
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BodyFn: FnOnce(&mut G, &mut CodeGenContext<'ctx, 'a>, IntValue<'ctx>) -> Result<(), String>,
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BodyFn: FnOnce(
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&mut G,
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&mut CodeGenContext<'ctx, 'a>,
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BreakContinueHooks,
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IntValue<'ctx>,
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) -> Result<(), String>,
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{
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let init_val_t = init_val.get_type();
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@ -586,10 +603,10 @@ where
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Ok(ctx.builder.build_int_compare(cmp_op, i, max_val, "").unwrap())
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},
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|generator, ctx, i_addr| {
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|generator, ctx, hooks, i_addr| {
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let i = ctx.builder.build_load(i_addr, "").map(BasicValueEnum::into_int_value).unwrap();
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body(generator, ctx, i)
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body(generator, ctx, hooks, i)
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},
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|_, ctx, i_addr| {
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let i = ctx.builder.build_load(i_addr, "").map(BasicValueEnum::into_int_value).unwrap();
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@ -700,7 +717,7 @@ where
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Ok(cond)
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},
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|generator, ctx, (i_addr, _)| {
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|generator, ctx, _, (i_addr, _)| {
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let i = ctx.builder.build_load(i_addr, "").map(BasicValueEnum::into_int_value).unwrap();
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body_fn(generator, ctx, i)
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