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use [N x i8] for alloca types

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This commit is contained in:
Erik Desjardins 2024-02-24 00:48:20 -05:00
parent a07f3eb43a
commit f4426c189f
33 changed files with 203 additions and 148 deletions
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20
compiler/rustc_codegen_gcc/src/builder.rs
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@ -898,26 +898,14 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
self.gcc_checked_binop(oop, typ, lhs, rhs)
}
fn alloca(&mut self, ty: Type<'gcc>, align: Align) -> RValue<'gcc> {
// FIXME(antoyo): this check that we don't call get_aligned() a second time on a type.
// Ideally, we shouldn't need to do this check.
let aligned_type = if ty == self.cx.u128_type || ty == self.cx.i128_type {
ty
} else {
ty.get_aligned(align.bytes())
};
fn alloca(&mut self, size: Size, align: Align) -> RValue<'gcc> {
let ty = self.cx.type_array(self.cx.type_i8(), size.bytes()).get_aligned(align.bytes());
// TODO(antoyo): It might be better to return a LValue, but fixing the rustc API is non-trivial.
self.stack_var_count.set(self.stack_var_count.get() + 1);
self.current_func()
.new_local(
self.location,
aligned_type,
&format!("stack_var_{}", self.stack_var_count.get()),
)
.get_address(self.location)
self.current_func().new_local(None, ty, &format!("stack_var_{}", self.stack_var_count.get())).get_address(None)
}
fn byte_array_alloca(&mut self, _len: RValue<'gcc>, _align: Align) -> RValue<'gcc> {
fn dynamic_alloca(&mut self, _len: RValue<'gcc>, _align: Align) -> RValue<'gcc> {
unimplemented!();
}