xref: /llvm-project/llvm/test/tools/llvm-reduce/reduce-functions-blockaddress.ll (revision 1437a83491cbe4af1b452a3f862a6b609057c26d)
1; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=functions --test FileCheck --test-arg --check-prefixes=INTERESTING --test-arg %s --test-arg --input-file %s -o %t
2; RUN: FileCheck --check-prefixes=RESULT --input-file=%t %s
3
4; Make sure we don't crash on blockaddress
5; TODO: Should be able to replace the blockaddresses with null too
6
7; INTERESTING: @blockaddr.table
8; INTERESTING: @blockaddr.table.addrspacecast
9
10; RESULT: @blockaddr.table = private unnamed_addr constant [2 x ptr] [ptr blockaddress(@foo, %L1), ptr blockaddress(@foo, %L2)]
11; RESULT: @blockaddr.table.addrspacecast = private unnamed_addr constant [2 x ptr addrspace(1)] [ptr addrspace(1) addrspacecast (ptr blockaddress(@foo_addrspacecast, %L1) to ptr addrspace(1)), ptr addrspace(1) addrspacecast (ptr blockaddress(@foo_addrspacecast, %L2) to ptr addrspace(1))]
12
13@blockaddr.table = private unnamed_addr constant [2 x ptr] [ptr blockaddress(@foo, %L1), ptr blockaddress(@foo, %L2)]
14
15@blockaddr.table.addrspacecast = private unnamed_addr constant [2 x ptr addrspace(1)] [
16  ptr addrspace(1) addrspacecast (ptr blockaddress(@foo_addrspacecast, %L1) to ptr addrspace(1)),
17  ptr addrspace(1) addrspacecast (ptr blockaddress(@foo_addrspacecast, %L2) to ptr addrspace(1))
18]
19
20; RESULT: define i32 @foo(
21define i32 @foo(i64 %arg0) {
22entry:
23  %gep = getelementptr inbounds [2 x ptr], ptr @blockaddr.table, i64 0, i64 %arg0
24  %load = load ptr, ptr %gep, align 8
25  indirectbr ptr %load, [label %L2, label %L1]
26
27L1:
28  %phi = phi i32 [ 1, %L2 ], [ 2, %entry ]
29  ret i32 %phi
30
31L2:
32  br label %L1
33}
34
35; RESULT: define i32 @foo_addrspacecast(
36define i32 @foo_addrspacecast(i64 %arg0) {
37entry:
38  %gep = getelementptr inbounds [2 x ptr addrspace(1)], ptr @blockaddr.table.addrspacecast, i64 0, i64 %arg0
39  %load = load ptr addrspace(1), ptr %gep, align 8
40  indirectbr ptr addrspace(1) %load, [label %L2, label %L1]
41
42L1:
43  %phi = phi i32 [ 1, %L2 ], [ 2, %entry ]
44  ret i32 %phi
45
46L2:
47  br label %L1
48}
49