xref: /llvm-project/llvm/test/tools/llvm-reduce/remove-alias.ll (revision 1437a83491cbe4af1b452a3f862a6b609057c26d)
1; RUN: llvm-reduce --abort-on-invalid-reduction --test FileCheck --test-arg --check-prefixes=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t
2; RUN: FileCheck --check-prefixes=CHECK-FINAL --input-file=%t %s
3
4; Test handling of 'alias'.
5
6; CHECK-INTERESTINGNESS: define void @fn3
7
8; CHECK-FINAL-NOT: = {{.*}} global
9; CHECK-FINAL-NOT: = alias
10
11; CHECK-FINAL-NOT: @llvm.used
12; CHECK-FINAL-NOT: @llvm.compiler.used
13
14; CHECK-FINAL-NOT: define void @fn1
15; CHECK-FINAL-NOT: define void @fn2
16; CHECK-FINAL: define void @fn3
17; CHECK-FINAL-NOT: define void @fn4
18
19@g1 = global [ 4 x i32 ] zeroinitializer
20@g2 = global [ 4 x i32 ] zeroinitializer
21
22@"$a1" = alias void (), ptr @fn1
23@"$a2" = alias void (), ptr @fn2
24@"$a3" = alias void (), ptr @fn3
25@"$a4" = alias void (), ptr @fn4
26
27@"$a5" = alias i64, getelementptr ([ 4 x i32 ], ptr @g1, i32 0, i32 1)
28@"$a6" = alias i64, getelementptr ([ 4 x i32 ], ptr @g2, i32 0, i32 1)
29
30@llvm.used = appending global [1 x ptr] [
31   ptr @"$a5"
32], section "llvm.metadata"
33
34@llvm.compiler.used = appending global [1 x ptr] [
35   ptr @"$a6"
36], section "llvm.metadata"
37
38define void @fn1() {
39  ret void
40}
41
42define void @fn2() {
43  ret void
44}
45
46define void @fn3() {
47  ret void
48}
49
50define void @fn4() {
51  ret void
52}
53