}

}

// Note: must be kept in sync with get_caller_location from cg_ssa

pub(crate) fn get_caller_location(&mut self, mut source_info: mir::SourceInfo) -> CValue<'tcx> {

let span_to_caller_location = |fx: &mut FunctionCx<'_, '_, 'tcx>, span: Span| {

let const_loc = fx.tcx.span_as_caller_location(span);

crate::constant::codegen_const_value(fx, const_loc, fx.tcx.caller_location_ty())

};

// Walk up the `SourceScope`s, in case some of them are from MIR inlining.

// If so, the starting `source_info.span` is in the innermost inlined

// function, and will be replaced with outer callsite spans as long

// as the inlined functions were `#[track_caller]`.

loop {

let scope_data = &self.mir.source_scopes[source_info.scope];

if let Some((callee, callsite_span)) = scope_data.inlined {

// Stop inside the most nested non-`#[track_caller]` function,

// before ever reaching its caller (which is irrelevant).

if !callee.def.requires_caller_location(self.tcx) {

return span_to_caller_location(self, source_info.span);

}

source_info.span = callsite_span;

}

// Skip past all of the parents with `inlined: None`.

match scope_data.inlined_parent_scope {

Some(parent) => source_info.scope = parent,

None => break,

}

}

// No inlined `SourceScope`s, or all of them were `#[track_caller]`.

self.caller_location.unwrap_or_else(|| span_to_caller_location(self, source_info.span))

pub(crate) fn get_caller_location(&mut self, source_info: mir::SourceInfo) -> CValue<'tcx> {

self.mir.caller_location_span(source_info, self.caller_location, self.tcx, |span| {

let const_loc = self.tcx.span_as_caller_location(span);

crate::constant::codegen_const_value(self, const_loc, self.tcx.caller_location_ty())

})

}

pub(crate) fn anonymous_str(&mut self, msg: &str) -> Value {