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Auto merge of #103138 - nnethercote:merge-BBs, r=bjorn3

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Merge basic blocks where possible when generating LLVM IR.

r? `@ghost`
This commit is contained in:
bors 2022-11-17 01:56:24 +00:00
commit ee50714c91
1 changed files with 4 additions and 5 deletions
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9
src/builder.rs
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@ -755,11 +755,11 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
OperandRef { val, layout: place.layout }
}
fn write_operand_repeatedly(mut self, cg_elem: OperandRef<'tcx, RValue<'gcc>>, count: u64, dest: PlaceRef<'tcx, RValue<'gcc>>) -> Self {
fn write_operand_repeatedly(&mut self, cg_elem: OperandRef<'tcx, RValue<'gcc>>, count: u64, dest: PlaceRef<'tcx, RValue<'gcc>>) {
let zero = self.const_usize(0);
let count = self.const_usize(count);
let start = dest.project_index(&mut self, zero).llval;
let end = dest.project_index(&mut self, count).llval;
let start = dest.project_index(self, zero).llval;
let end = dest.project_index(self, count).llval;
let header_bb = self.append_sibling_block("repeat_loop_header");
let body_bb = self.append_sibling_block("repeat_loop_body");
@ -778,14 +778,13 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
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 self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align));
cg_elem.val.store(self, PlaceRef::new_sized_aligned(current_val, cg_elem.layout, align));
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);
self.switch_to_block(next_bb);
self
}
fn range_metadata(&mut self, _load: RValue<'gcc>, _range: WrappingRange) {