1; Test that update_llc_test_checks.py can run pre-processing commands. 2; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=CHECK-ADD 3; RUN: sed 's/add /sub /g' %s | llc -mtriple=x86_64-unknown-unknown \ 4; RUN: | FileCheck %s --check-prefix=CHECK-SUB 5; Check that multiple pre-processing commands are handled 6; RUN: sed 's/add /sub /g' %s | sed 's/i64 /i16 /g' | cat \ 7; RUN: | llc -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=CHECK-SUB-I16 8 9define i64 @test_add_constant(i64 %arg) nounwind { 10entry: 11 %a1 = add i64 %arg, 1 12 %a2 = add i64 %a1, 2 13 %a3 = add i64 %a2, 3 14 ret i64 %a3 15} 16