1; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=global-variables --test FileCheck --test-arg --check-prefixes=INTERESTING --test-arg %s --test-arg --input-file %s -o %t 2; RUN: FileCheck --check-prefixes=RESULT %s < %t 3 4; The global variable reduction was trying to delete use instructions 5; of globals for some reason, and breaking the basic blocks that had 6; global uses in the terminator 7 8; RESULT-NOT: @zed 9@zed = global i32 0 10 11; INTERESTING: @bar 12; RESULT: @bar 13@bar = global i32 1 14 15; RESULT: define ptr @zed_user() { 16; RESULT-NEXT: ret ptr null 17define ptr @zed_user() { 18 ret ptr @zed 19} 20