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use super::metadata::UNKNOWN_COLUMN_NUMBER;
use super::utils::{debug_context, span_start};
use crate::common::CodegenCx;
use crate::llvm::debuginfo::DIScope;
use crate::llvm::{self, Value};
use rustc_codegen_ssa::traits::*;
use libc::c_uint;
use rustc_span::{Pos, Span};
impl CodegenCx<'ll, '_> {
pub fn create_debug_loc(&self, scope: &'ll DIScope, span: Span) -> &'ll Value {
let loc = span_start(self, span);
// For MSVC, set the column number to zero.
// Otherwise, emit it. This mimics clang behaviour.
// See discussion in https://github.com/rust-lang/rust/issues/42921
let col_used = if self.sess().target.target.options.is_like_msvc {
UNKNOWN_COLUMN_NUMBER
} else {
loc.col.to_usize() as c_uint
};
unsafe {
llvm::LLVMRustDIBuilderCreateDebugLocation(
debug_context(self).llcontext,
loc.line as c_uint,
col_used,
scope,
None,
)
}
}
}
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