xref: /llvm-project/llvm/test/Transforms/CanonicalizeAliases/canonicalize.ll (revision 1f14056aefe878f3678aff5dd7778017bca836a1)
1; RUN: opt -S -passes=canonicalize-aliases < %s | FileCheck %s
2; RUN: opt -passes='thinlto-pre-link<O0>,require<module-summary>' -o - < %s | llvm-dis -o - | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7; CHECK-DAG: @analias = alias void (), ptr @aliasee
8; CHECK-DAG: @anotheralias = alias void (), ptr @aliasee
9; CHECK-DAG: define void @aliasee()
10
11@analias = alias void (), ptr @anotheralias
12@anotheralias = alias void (), ptr @aliasee
13
14; Function Attrs: nounwind uwtable
15define void @aliasee() #0 {
16entry:
17    ret void
18}
19
20%struct.S1 = type { i32, i32, i32 }
21
22; CHECK-DAG: @S = global %struct.S1 { i32 31, i32 32, i32 33 }
23; CHECK-DAG: @Salias = alias i32, getelementptr inbounds (%struct.S1, ptr @S, i32 0, i32 1)
24; CHECK-DAG: @Salias2 = alias i32, getelementptr inbounds (%struct.S1, ptr @S, i32 0, i32 1)
25; CHECK-DAG: @Salias3 = alias i32, getelementptr inbounds (%struct.S1, ptr @S, i32 0, i32 1)
26
27@S = global %struct.S1 { i32 31, i32 32, i32 33 }, align 4
28@Salias = alias i32, getelementptr inbounds (%struct.S1, ptr @S, i32 0, i32 1)
29@Salias2 = alias i32, ptr @Salias
30@Salias3 = alias i32, ptr @Salias2
31
32; CHECK-DAG: @Salias4 = alias %struct.S1, ptr @S
33; CHECK-DAG: @Salias5 = alias i32, getelementptr inbounds (%struct.S1, ptr @S, i32 0, i32 1)
34
35@Salias4 = alias %struct.S1, ptr @S
36@Salias5 = alias i32, getelementptr inbounds (%struct.S1, ptr @Salias4, i32 0, i32 1)
37