bjoernager/rust
bjoernager/rust
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Introduce Bx::switch_to_block

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This commit is contained in:
bjorn3 2022-02-18 15:37:31 +01:00
parent 0edcf1e249
commit 96cf7999ab
6 changed files with 95 additions and 94 deletions
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24
compiler/rustc_codegen_gcc/src/builder.rs
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@ -404,6 +404,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
func.new_block(name)
}
fn switch_to_block(&mut self, block: Self::BasicBlock) {
*self.cx.current_block.borrow_mut() = Some(block);
self.block = Some(block);
}
fn ret_void(&mut self) {
self.llbb().end_with_void_return(None)
}
@ -886,19 +891,20 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
self.br(header_bb);
let mut header_bx = Builder::build(self.cx, header_bb);
let keep_going = header_bx.icmp(IntPredicate::IntNE, current_val, end);
header_bx.cond_br(keep_going, body_bb, next_bb);
self.switch_to_block(header_bb);
let keep_going = self.icmp(IntPredicate::IntNE, current_val, end);
self.cond_br(keep_going, body_bb, next_bb);
let mut body_bx = Builder::build(self.cx, body_bb);
self.switch_to_block(body_bb);
let align = dest.align.restrict_for_offset(dest.layout.field(self.cx(), 0).size);
cg_elem.val.store(&mut body_bx, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align));
cg_elem.val.store(&mut self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align));
let next = body_bx.inbounds_gep(self.backend_type(cg_elem.layout), current.to_rvalue(), &[self.const_usize(1)]);
body_bx.llbb().add_assignment(None, current, next);
body_bx.br(header_bb);
let next = self.inbounds_gep(self.backend_type(cg_elem.layout), current.to_rvalue(), &[self.const_usize(1)]);
self.llbb().add_assignment(None, current, next);
self.br(header_bb);
Builder::build(self.cx, next_bb)
self.switch_to_block(next_bb);
self
}
fn range_metadata(&mut self, _load: RValue<'gcc>, _range: WrappingRange) {