xref: /llvm-project/llvm/test/tools/llvm-reduce/remove-global-used.ll (revision aa9bdd50c25aa6a6dc58f2af397bdfcfad417244)
1; RUN: llvm-reduce -abort-on-invalid-reduction --delta-passes=global-variables --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t.0
2; RUN: FileCheck --implicit-check-not=define --check-prefix=CHECK-FINAL %s < %t.0
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4; Check a case where llvm.used is fully deleted
5; RUN: llvm-reduce -abort-on-invalid-reduction --delta-passes=global-variables --test FileCheck --test-arg --check-prefixes=CHECK-OTHER --test-arg %s --test-arg --input-file %s -o %t.1
6; RUN: FileCheck --implicit-check-not=define --check-prefix=CHECK-REMOVED %s < %t.1
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8; CHECK-INTERESTINGNESS: @kept_used = global
9; CHECK-FINAL: @kept_used = global
10@kept_used = global i32 0
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12@removed_used = global i32 1
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14; CHECK-INTERESTINGNESS: @kept_compiler_used = global
15; CHECK-FINAL: @kept_compiler_used = global
16@kept_compiler_used = global i32 2
17
18@removed_compiler_used = global i32 3
19
20; CHECK-OTHER: @foo = global
21; CHECK-REMOVED: @foo = global
22@foo = global i32 4
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24@llvm.used = appending global [2 x ptr] [ptr @kept_used, ptr @removed_used ]
25@llvm.compiler.used = appending global [2 x ptr] [ptr @kept_compiler_used, ptr @removed_compiler_used ]
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27
28; CHECK-REMOVED-NOT: @llvm.used
29; CHECK-REMOVED-NOT: @llvm.compiler.used
30
31; CHECK-FINAL: @llvm.used = appending global [1 x ptr] [ptr @kept_used]
32; CHECK-FINAL: @llvm.compiler.used = appending global [1 x ptr] [ptr @kept_compiler_used]
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