cairo-lang-lowering 2.17.0

Cairo lowering phase.
Documentation 
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//! > Test gas redeposit skip.

//! > test_runner_name
GetRedepositTestRunner

//! > function_code
fn foo(x: felt252) -> felt252 {
    if x == 0 {
        heavy_op1()
    } else {
        heavy_op2()
    }
}

//! > function_name
foo

//! > module_code
#[inline(never)]
fn heavy_op1() -> felt252 {
    0
}

#[inline(never)]
fn heavy_op2() -> felt252 {
    1
}

//! > semantic_diagnostics

//! > lowering_diagnostics

//! > before
Parameters: v0: core::felt252
blk0 (root):
Statements:
  (v1: core::felt252, v2: @core::felt252) <- snapshot(v0)
  (v3: core::felt252) <- 0
  (v4: core::felt252, v5: @core::felt252) <- snapshot(v3)
  (v6: core::bool) <- core::Felt252PartialEq::eq(v2, v5)
End:
  Match(match_enum(v6) {
    bool::False(v8) => blk2,
    bool::True(v7) => blk1,
  })

blk1:
Statements:
  (v10: core::felt252) <- test::heavy_op1()
End:
  Goto(blk3, {v10 -> v11})

blk2:
Statements:
  (v9: core::felt252) <- test::heavy_op2()
End:
  Goto(blk3, {v9 -> v11})

blk3:
Statements:
End:
  Return(v11)

//! > after
Parameters: v0: core::felt252
blk0 (root):
Statements:
  (v1: core::felt252, v2: @core::felt252) <- snapshot(v0)
  (v3: core::felt252) <- 0
  (v4: core::felt252, v5: @core::felt252) <- snapshot(v3)
  (v6: core::bool) <- core::Felt252PartialEq::eq(v2, v5)
End:
  Match(match_enum(v6) {
    bool::False(v8) => blk2,
    bool::True(v7) => blk1,
  })

blk1:
Statements:
  (v10: core::felt252) <- test::heavy_op1()
End:
  Goto(blk3, {v10 -> v11})

blk2:
Statements:
  (v9: core::felt252) <- test::heavy_op2()
End:
  Goto(blk3, {v9 -> v11})

blk3:
Statements:
End:
  Return(v11)

//! > ==========================================================================

//! > Test gas redeposit.

//! > test_runner_name
GetRedepositTestRunner

//! > function_code
fn foo(x: felt252) -> felt252 {
    if x == 0 {
        heavy_op1()
    } else {
        heavy_op2()
    }
}

//! > function_name
foo

//! > module_code
#[inline(never)]
fn heavy_op1() -> felt252 implicits(GasBuiltin) {
    0
}

#[inline(never)]
fn heavy_op2() -> felt252 {
    1
}

//! > semantic_diagnostics

//! > before
Parameters: v0: core::felt252
blk0 (root):
Statements:
  (v1: core::felt252, v2: @core::felt252) <- snapshot(v0)
  (v3: core::felt252) <- 0
  (v4: core::felt252, v5: @core::felt252) <- snapshot(v3)
  (v6: core::bool) <- core::Felt252PartialEq::eq(v2, v5)
End:
  Match(match_enum(v6) {
    bool::False(v8) => blk2,
    bool::True(v7) => blk1,
  })

blk1:
Statements:
  (v10: core::felt252) <- test::heavy_op1()
End:
  Goto(blk3, {v10 -> v11})

blk2:
Statements:
  (v9: core::felt252) <- test::heavy_op2()
End:
  Goto(blk3, {v9 -> v11})

blk3:
Statements:
End:
  Return(v11)

//! > after
Parameters: v0: core::felt252
blk0 (root):
Statements:
  (v1: core::felt252, v2: @core::felt252) <- snapshot(v0)
  (v3: core::felt252) <- 0
  (v4: core::felt252, v5: @core::felt252) <- snapshot(v3)
  (v6: core::bool) <- core::Felt252PartialEq::eq(v2, v5)
End:
  Match(match_enum(v6) {
    bool::False(v8) => blk2,
    bool::True(v7) => blk1,
  })

blk1:
Statements:
  () <- core::gas::redeposit_gas()
  (v10: core::felt252) <- test::heavy_op1()
End:
  Goto(blk3, {v10 -> v11})

blk2:
Statements:
  () <- core::gas::redeposit_gas()
  (v9: core::felt252) <- test::heavy_op2()
End:
  Goto(blk3, {v9 -> v11})

blk3:
Statements:
End:
  Return(v11)

//! > lowering_diagnostics