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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc -mtriple=x86_64-pc-linux-gnu -o - < %s | FileCheck %s3 4; Make sure the stack protect not infinitly check __stack_chk_fail.5define dso_local void @__stack_chk_fail() local_unnamed_addr #0 {6; CHECK-LABEL: __stack_chk_fail:7; CHECK: # %bb.0: # %entry8; CHECK-NEXT: pushq %rax9; CHECK-NEXT: movq %fs:40, %rax10; CHECK-NEXT: movq %rax, (%rsp)11; CHECK-NEXT: movq %fs:40, %rax12; CHECK-NEXT: cmpq (%rsp), %rax13; CHECK-NEXT: jne .LBB0_214; CHECK-NEXT: # %bb.1: # %SP_return15; CHECK-NEXT: callq foo@PLT16; CHECK-NEXT: .LBB0_2: # %CallStackCheckFailBlk17; CHECK-NEXT: callq __stack_chk_fail18entry:19 tail call void @foo() noreturn20 unreachable21}22 23declare void @foo() noreturn24 25attributes #0 = { noreturn nounwind sspreq }26