llir 0.2.2

LLVM IR Binding
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

use llvm_sys::core::*;
use llvm_sys::prelude::LLVMValueRef;
use std::marker::PhantomData;

use crate::values::*;
use crate::*;

/// [Indirect Branch instruction](https://llvm.org/docs/LangRef.html#indirectbr-instruction)
#[derive(Copy, Clone, PartialEq, Eq, Hash)]
pub struct IndirectBranchInstruction<'ctx>(LLVMValueRef, PhantomData<&'ctx ()>);

impl_instr_debug!(IndirectBranchInstruction);

impl_as_operand_for_instr!(IndirectBranchInstruction);

impl_send_sync!(IndirectBranchInstruction);

impl<'ctx> GetType<'ctx> for IndirectBranchInstruction<'ctx> {}

impl<'ctx> GetDebugMetadata<'ctx> for IndirectBranchInstruction<'ctx> {}

impl<'ctx> InstructionDebugLoc for IndirectBranchInstruction<'ctx> {}

impl<'ctx> InstructionTrait<'ctx> for IndirectBranchInstruction<'ctx> {}

impl<'ctx> IndirectBranchInstruction<'ctx> {
  /// Get the block address
  pub fn address(&self) -> BlockAddress<'ctx> {
    BlockAddress::from_llvm(unsafe { LLVMGetOperand(self.0, 0) })
  }

  /// Get the possible block destinations
  pub fn destinations(&self) -> Vec<Block<'ctx>> {
    let num_operands = unsafe { LLVMGetNumOperands(self.0) as u32 };
    let num_dests = num_operands - 1;
    (1..=num_dests)
      .map(|i| Block::from_llvm(unsafe { LLVMValueAsBasicBlock(LLVMGetOperand(self.0, i)) }))
      .collect()
  }
}

impl<'ctx> ValueOpcode for IndirectBranchInstruction<'ctx> {
  fn opcode(&self) -> Opcode {
    Opcode::IndirectBr
  }
}

impl<'ctx> AsInstruction<'ctx> for IndirectBranchInstruction<'ctx> {
  fn as_instruction(&self) -> Instruction<'ctx> {
    Instruction::IndirectBranch(*self)
  }
}

impl_positional_value_ref!(IndirectBranchInstruction, 0);

impl_positional_from_llvm_value!(IndirectBranchInstruction);