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report multiple expect failures

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Folkert 2022-07-23 20:14:35 +02:00
parent 29a260a4b3
commit 93005cf2d0
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3 changed files with 148 additions and 73 deletions
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125
crates/compiler/gen_llvm/src/llvm/expect.rs
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@ -21,6 +21,68 @@ fn pointer_at_offset<'ctx>(
unsafe { bd.build_gep(ptr, &[offset], "offset_ptr") }
}
/// Writes the module and region into the buffer
fn write_header<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
ptr: PointerValue<'ctx>,
mut offset: IntValue<'ctx>,
condition: Symbol,
region: Region,
) -> IntValue<'ctx> {
let region_start = env
.context
.i32_type()
.const_int(region.start().offset as _, false);
let region_end = env
.context
.i32_type()
.const_int(region.end().offset as _, false);
let module_id: u32 = unsafe { std::mem::transmute(condition.module_id()) };
let module_id = env.context.i32_type().const_int(module_id as _, false);
offset = build_copy(env, ptr, offset, region_start.into());
offset = build_copy(env, ptr, offset, region_end.into());
offset = build_copy(env, ptr, offset, module_id.into());
offset
}
/// Read the first two 32-bit values from the shared memory,
/// representing the total number of expect frames and the next free position
fn read_state<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
ptr: PointerValue<'ctx>,
) -> (IntValue<'ctx>, IntValue<'ctx>) {
let ptr_type = env.ptr_int().ptr_type(AddressSpace::Generic);
let ptr = env.builder.build_pointer_cast(ptr, ptr_type, "");
let one = env.ptr_int().const_int(1, false);
let offset_ptr = pointer_at_offset(env.builder, ptr, one);
let count = env.builder.build_load(ptr, "load_count");
let offset = env.builder.build_load(offset_ptr, "load_offset");
(count.into_int_value(), offset.into_int_value())
}
fn write_state<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
ptr: PointerValue<'ctx>,
count: IntValue<'ctx>,
offset: IntValue<'ctx>,
) {
let ptr_type = env.ptr_int().ptr_type(AddressSpace::Generic);
let ptr = env.builder.build_pointer_cast(ptr, ptr_type, "");
let one = env.ptr_int().const_int(1, false);
let offset_ptr = pointer_at_offset(env.builder, ptr, one);
env.builder.build_store(ptr, count);
env.builder.build_store(offset_ptr, offset);
}
pub(crate) fn clone_to_shared_memory<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
scope: &Scope<'a, 'ctx>,
@ -44,64 +106,9 @@ pub(crate) fn clone_to_shared_memory<'a, 'ctx, 'env>(
.unwrap()
.into_pointer_value();
let mut ptr = original_ptr;
let (count, mut offset) = read_state(env, original_ptr);
{
let value = env
.context
.i32_type()
.const_int(region.start().offset as _, false);
let cast_ptr = env.builder.build_pointer_cast(
ptr,
value.get_type().ptr_type(AddressSpace::Generic),
"to_store_pointer",
);
env.builder.build_store(cast_ptr, value);
// let increment = layout.stack_size(env.target_info);
let increment = 4;
let increment = env.ptr_int().const_int(increment as _, false);
ptr = unsafe { env.builder.build_gep(ptr, &[increment], "increment_ptr") };
}
{
let value = env
.context
.i32_type()
.const_int(region.end().offset as _, false);
let cast_ptr = env.builder.build_pointer_cast(
ptr,
value.get_type().ptr_type(AddressSpace::Generic),
"to_store_pointer",
);
env.builder.build_store(cast_ptr, value);
// let increment = layout.stack_size(env.target_info);
let increment = 4;
let increment = env.ptr_int().const_int(increment as _, false);
ptr = unsafe { env.builder.build_gep(ptr, &[increment], "increment_ptr") };
}
{
let region_bytes: u32 = unsafe { std::mem::transmute(condition.module_id()) };
let value = env.context.i32_type().const_int(region_bytes as _, false);
let cast_ptr = env.builder.build_pointer_cast(
ptr,
value.get_type().ptr_type(AddressSpace::Generic),
"to_store_pointer",
);
env.builder.build_store(cast_ptr, value);
}
let mut offset = env.ptr_int().const_int(12, false);
offset = write_header(env, original_ptr, offset, condition, region);
for lookup in lookups.iter() {
let (value, layout) = load_symbol_and_layout(scope, lookup);
@ -116,6 +123,10 @@ pub(crate) fn clone_to_shared_memory<'a, 'ctx, 'env>(
WhenRecursive::Unreachable,
);
}
let one = env.ptr_int().const_int(1, false);
let new_count = env.builder.build_int_add(count, one, "inc");
write_state(env, original_ptr, new_count, offset)
}
#[derive(Clone, Debug, Copy)]