; RUN: llc < %s -march=avr | FileCheck %s | |
; Test case for an assertion error. | |
; | |
; Error: | |
; ``` | |
; Impossible reg-to-reg copy | |
; UNREACHABLE executed at lib/Target/AVR/AVRInstrInfo.cpp | |
; ``` | |
; | |
; This no longer occurs. | |
declare { i16, i1 } @llvm.umul.with.overflow.i16(i16, i16) | |
; CHECK-LABEL: foo | |
define void @foo() { | |
entry-block: | |
%0 = call { i16, i1 } @llvm.umul.with.overflow.i16(i16 undef, i16 undef) | |
%1 = extractvalue { i16, i1 } %0, 1 | |
%2 = icmp eq i1 %1, true | |
br i1 %2, label %cond, label %next | |
next: ; preds = %entry-block | |
ret void | |
cond: ; preds = %entry-block | |
unreachable | |
} |