Test Failure: Transforms/HardwareLoops/loop-guards.ll

Test source: git

Log:

stderr:

+ : 'RUN: at line 1'
+ /home/nlopes/alive2/build/opt-alive.sh -hardware-loops -force-hardware-loops=true -hardware-loop-decrement=1 -hardware-loop-counter-bitwidth=32 -force-hardware-loop-guard=true -S /home/nlopes/llvm/llvm/test/Transforms/HardwareLoops/loop-guards.ll -o -
+ /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/HardwareLoops/loop-guards.ll --check-prefix=CHECK --check-prefix=CHECK-EXIT
timeout: fork system call failed: Invalid argument
FileCheck error: '<stdin>' is empty.
FileCheck command line:  /home/nlopes/llvm/build/bin/FileCheck /home/nlopes/llvm/llvm/test/Transforms/HardwareLoops/loop-guards.ll --check-prefix=CHECK --check-prefix=CHECK-EXIT

NOTE: This test would pass if undef didn't exist!

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