bjoernager/rust
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Extract block to insert an intrinsic into its own function

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This commit is contained in:
gnzlbg 2019-02-08 16:41:37 +01:00
parent d173180116
commit 7d6bfc53c8
1 changed files with 17 additions and 12 deletions
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29
src/librustc_codegen_llvm/context.rs
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@ -465,6 +465,20 @@ impl CodegenCx<'b, 'tcx> {
self.declare_intrinsic(key).unwrap_or_else(|| bug!("unknown intrinsic '{}'", key))
}
fn insert_intrinsic(
&self, name: &'static str, args: Option<&[&'b llvm::Type]>, ret: &'b llvm::Type
) -> &'b llvm::Value {
let fn_ty = if let Some(args) = args {
self.type_func(args, ret)
} else {
self.type_variadic_func(&[], ret)
};
let f = self.declare_cfn(name, fn_ty);
llvm::SetUnnamedAddr(f, false);
self.intrinsics.borrow_mut().insert(name, f.clone());
f
}
fn declare_intrinsic(
&self,
key: &str
@ -472,26 +486,17 @@ impl CodegenCx<'b, 'tcx> {
macro_rules! ifn {
($name:expr, fn() -> $ret:expr) => (
if key == $name {
let f = self.declare_cfn($name, self.type_func(&[], $ret));
llvm::SetUnnamedAddr(f, false);
self.intrinsics.borrow_mut().insert($name, f.clone());
return Some(f);
return Some(self.insert_intrinsic($name, Some(&[]), $ret));
}
);
($name:expr, fn(...) -> $ret:expr) => (
if key == $name {
let f = self.declare_cfn($name, self.type_variadic_func(&[], $ret));
llvm::SetUnnamedAddr(f, false);
self.intrinsics.borrow_mut().insert($name, f.clone());
return Some(f);
return Some(self.insert_intrinsic($name, None, $ret));
}
);
($name:expr, fn($($arg:expr),*) -> $ret:expr) => (
if key == $name {
let f = self.declare_cfn($name, self.type_func(&[$($arg),*], $ret));
llvm::SetUnnamedAddr(f, false);
self.intrinsics.borrow_mut().insert($name, f.clone());
return Some(f);
return Some(self.insert_intrinsic($name, Some(&[$($arg),*]), $ret));
}
);
}