| ; RUN: llc < %s -mtriple=avr | FileCheck %s | |
| ; The bug can be found here: | |
| ; https://github.com/rust-lang/rust/issues/98167 | |
| ; | |
| ; In this test, `extractvalue` + `call` generate a copy with overlapping | |
| ; registers (`$r25r24 = COPY $r24r23`) that used to be expanded incorrectly. | |
| define void @main() { | |
| ; CHECK-LABEL: main: | |
| ; CHECK: rcall foo | |
| ; CHECK-NEXT: mov r25, r24 | |
| ; CHECK-NEXT: mov r24, r23 | |
| ; CHECK-NEXT: rcall bar | |
| %1 = call { i8, i16 } @foo() | |
| %2 = extractvalue { i8, i16 } %1, 1 | |
| call void @bar(i16 %2) | |
| ret void | |
| } | |
| declare { i8, i16 } @foo() | |
| declare void @bar(i16 %0) |