Macro llvm_mca_begin

macro_rules! llvm_mca_begin {
    () => { ... };
    ($name:literal) => { ... };
}

Emit an LLVM-MCA-BEGIN marker, with an optional name.

Examples

use llvm_mca::llvm_mca_begin;

// An unnamed region: "LLVM-MCA-BEGIN"
llvm_mca_begin!();
// A named region: "LLVM-MCA-BEGIN my-region-name"
llvm_mca_begin!("my-region-name");