- StatementKind::CopyNonOverlapping(inner) => {
- let dst = codegen_operand(fx, &inner.dst);
- let pointee = dst
- .layout()
- .pointee_info_at(fx, rustc_target::abi::Size::ZERO)
- .expect("Expected pointer");
- let dst = dst.load_scalar(fx);
- let src = codegen_operand(fx, &inner.src).load_scalar(fx);
- let count = codegen_operand(fx, &inner.count).load_scalar(fx);
- let elem_size: u64 = pointee.size.bytes();
- let bytes =
- if elem_size != 1 { fx.bcx.ins().imul_imm(count, elem_size as i64) } else { count };
- fx.bcx.call_memcpy(fx.target_config, dst, src, bytes);
- }
+ StatementKind::Intrinsic(ref intrinsic) => match &**intrinsic {
+ // We ignore `assume` intrinsics, they are only useful for optimizations
+ NonDivergingIntrinsic::Assume(_) => {}
+ NonDivergingIntrinsic::CopyNonOverlapping(mir::CopyNonOverlapping {
+ src,
+ dst,
+ count,
+ }) => {
+ let dst = codegen_operand(fx, dst);
+ let pointee = dst
+ .layout()
+ .pointee_info_at(fx, rustc_target::abi::Size::ZERO)
+ .expect("Expected pointer");
+ let dst = dst.load_scalar(fx);
+ let src = codegen_operand(fx, src).load_scalar(fx);
+ let count = codegen_operand(fx, count).load_scalar(fx);
+ let elem_size: u64 = pointee.size.bytes();
+ let bytes = if elem_size != 1 {
+ fx.bcx.ins().imul_imm(count, elem_size as i64)
+ } else {
+ count
+ };
+ fx.bcx.call_memcpy(fx.target_config, dst, src, bytes);
+ }
+ },