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Reconstruct locations of the original source variable

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This commit is contained in:
Yury Delendik
2019-03-06 11:20:26 -06:00
committed by Dan Gohman
parent d6059d4605
commit 8f95c51730
21 changed files with 556 additions and 31 deletions
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11
cranelift/wasm/src/code_translator.rs
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@@ -30,7 +30,7 @@ use crate::translation_utils::{FuncIndex, MemoryIndex, SignatureIndex, TableInde
use core::{i32, u32};
use cranelift_codegen::ir::condcodes::{FloatCC, IntCC};
use cranelift_codegen::ir::types::*;
use cranelift_codegen::ir::{self, InstBuilder, JumpTableData, MemFlags};
use cranelift_codegen::ir::{self, InstBuilder, JumpTableData, MemFlags, ValueLabel};
use cranelift_codegen::packed_option::ReservedValue;
use cranelift_frontend::{FunctionBuilder, Variable};
use wasmparser::{MemoryImmediate, Operator};
@@ -57,15 +57,22 @@ pub fn translate_operator<FE: FuncEnvironment + ?Sized>(
* disappear in the Cranelift Code
***********************************************************************************/
Operator::GetLocal { local_index } => {
state.push1(builder.use_var(Variable::with_u32(local_index)))
let val = builder.use_var(Variable::with_u32(local_index));
state.push1(val);
let label = ValueLabel::from_u32(local_index);
builder.set_val_label(val, label);
}
Operator::SetLocal { local_index } => {
let val = state.pop1();
builder.def_var(Variable::with_u32(local_index), val);
let label = ValueLabel::from_u32(local_index);
builder.set_val_label(val, label);
}
Operator::TeeLocal { local_index } => {
let val = state.peek1();
builder.def_var(Variable::with_u32(local_index), val);
let label = ValueLabel::from_u32(local_index);
builder.set_val_label(val, label);
}
/********************************** Globals ****************************************
* `get_global` and `set_global` are handled by the environment.