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llvm-context: alloca at the function entry if possible (#283)

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Closes  #48

Change the code size test to no longer emit debug info as to get a more
accurate picture.

---------

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>
This commit is contained in:
xermicus
2025-04-15 15:22:24 +02:00
committed by GitHub
parent 431b5a2ce5
commit 5003f3e9ac
11 changed files with 102 additions and 89 deletions
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crates/llvm-context/src/polkavm/evm/context.rs
+16 -16
View File
@@ -2,6 +2,7 @@
use inkwell::values::BasicValue;
use crate::polkavm::context::pointer::Pointer;
use crate::polkavm::context::Context;
use crate::polkavm::Dependency;
@@ -49,7 +50,9 @@ where
D: Dependency + Clone,
{
let address_type = context.integer_type(revive_common::BIT_LENGTH_ETH_ADDRESS);
let address_pointer = context.build_alloca_at_entry(address_type, "origin_address");
let address_pointer: Pointer<'_> = context
.get_global(crate::polkavm::GLOBAL_ADDRESS_SPILL_BUFFER)?
.into();
context.build_store(address_pointer, address_type.const_zero())?;
context.build_runtime_call(
revive_runtime_api::polkavm_imports::ORIGIN,
@@ -97,13 +100,13 @@ where
D: Dependency + Clone,
{
let output_pointer = context.build_alloca_at_entry(context.word_type(), "blockhash_out_ptr");
let index_ptr = context.build_alloca_at_entry(context.word_type(), "blockhash_index_ptr");
context.build_store(index_ptr, index)?;
let index_pointer = context.build_alloca_at_entry(context.word_type(), "blockhash_index_ptr");
context.build_store(index_pointer, index)?;
context.build_runtime_call(
revive_runtime_api::polkavm_imports::BLOCK_HASH,
&[
index_ptr.to_int(context).into(),
index_pointer.to_int(context).into(),
output_pointer.to_int(context).into(),
],
);
@@ -127,10 +130,9 @@ pub fn coinbase<'ctx, D>(
where
D: Dependency + Clone,
{
let pointer = context.build_alloca_at_entry(
context.integer_type(revive_common::BIT_LENGTH_ETH_ADDRESS),
"coinbase_output",
);
let pointer: Pointer<'_> = context
.get_global(crate::polkavm::GLOBAL_ADDRESS_SPILL_BUFFER)?
.into();
context.build_runtime_call(
revive_runtime_api::polkavm_imports::BLOCK_AUTHOR,
&[pointer.to_int(context).into()],
@@ -155,10 +157,9 @@ pub fn address<'ctx, D>(
where
D: Dependency + Clone,
{
let pointer = context.build_alloca_at_entry(
context.integer_type(revive_common::BIT_LENGTH_ETH_ADDRESS),
"address_output",
);
let pointer: Pointer<'_> = context
.get_global(crate::polkavm::GLOBAL_ADDRESS_SPILL_BUFFER)?
.into();
context.build_runtime_call(
revive_runtime_api::polkavm_imports::ADDRESS,
&[pointer.to_int(context).into()],
@@ -173,10 +174,9 @@ pub fn caller<'ctx, D>(
where
D: Dependency + Clone,
{
let pointer = context.build_alloca_at_entry(
context.integer_type(revive_common::BIT_LENGTH_ETH_ADDRESS),
"address_output",
);
let pointer: Pointer<'_> = context
.get_global(crate::polkavm::GLOBAL_ADDRESS_SPILL_BUFFER)?
.into();
context.build_runtime_call(
revive_runtime_api::polkavm_imports::CALLER,
&[pointer.to_int(context).into()],