| ; RUN: llc < %s -march=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) |
