1; RUN: not --crash llc -O0 < %s -mtriple=avr 2>&1 | FileCheck %s 2 3define void @foo() { 4entry: 5; CHECK: Invalid register name "r28". 6 %val1 = call i8 @llvm.read_register.i8(metadata !0) 7 ret void 8} 9 10declare i8 @llvm.read_register.i8(metadata) 11 12!0 = !{!"r28"} 13