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1; RUN: not --crash llc -O0 < %s -mtriple=avr 2>&1 | FileCheck %s2 3define void @foo() {4entry:5; CHECK: Invalid register name "r28".6 %val1 = call i8 @llvm.read_register.i8(metadata !0)7 ret void8}9 10declare i8 @llvm.read_register.i8(metadata)11 12!0 = !{!"r28"}13