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Merge pull request #3621 from rtfeldman/expect-memcpy

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Clone more values into shared expect buffer
This commit is contained in:
Richard Feldman 2022-07-23 23:00:54 -04:00 • committed by GitHub
commit daec85a75e
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15 changed files with 552 additions and 148 deletions
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108
crates/compiler/gen_llvm/src/llvm/build.rs
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@ -13,6 +13,7 @@ use crate::llvm::compare::{generic_eq, generic_neq};
use crate::llvm::convert::{
self, argument_type_from_layout, basic_type_from_builtin, basic_type_from_layout, zig_str_type,
};
use crate::llvm::expect::clone_to_shared_memory;
use crate::llvm::refcounting::{
build_reset, decrement_refcount_layout, increment_refcount_layout, PointerToRefcount,
};
@ -2817,105 +2818,14 @@ pub fn build_exp_stmt<'a, 'ctx, 'env>(
match env.target_info.ptr_width() {
roc_target::PtrWidth::Bytes8 => {
let func = env
.module
.get_function(bitcode::UTILS_EXPECT_FAILED_START)
.unwrap();
let call_result = bd.build_call(func, &[], "call_expect_start_failed");
let mut ptr = call_result
.try_as_basic_value()
.left()
.unwrap()
.into_pointer_value();
{
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(cond_symbol.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 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")
};
}
for lookup in lookups.iter() {
let (value, layout) = load_symbol_and_layout(scope, lookup);
let cast_ptr = env.builder.build_pointer_cast(
ptr,
value.get_type().ptr_type(AddressSpace::Generic),
"to_store_pointer",
);
store_roc_value(env, *layout, cast_ptr, value);
let increment = layout.stack_size(env.target_info);
let increment = env.ptr_int().const_int(increment as _, false);
ptr = unsafe {
env.builder.build_gep(ptr, &[increment], "increment_ptr")
};
}
clone_to_shared_memory(
env,
scope,
layout_ids,
*cond_symbol,
*region,
lookups,
);
// NOTE: signals to the parent process that an expect failed
if env.mode.runs_expects_in_separate_process() {