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1; RUN: opt < %s -constmerge -S | FileCheck %s
2
3; Don't merge constants with specified sections.
4
5@T1G1 = internal constant i32 1, section "foo"
6@T1G2 = internal constant i32 1, section "bar"
7@T1G3 = internal constant i32 1, section "bar"
8
9; CHECK: @T1G1
10; CHECK: @T1G2
11; CHECK: @T1G3
12
13define void @test1(i32** %P1, i32** %P2, i32** %P3) {
14        store i32* @T1G1, i32** %P1
15        store i32* @T1G2, i32** %P2
16        store i32* @T1G3, i32** %P3
17        ret void
18}
19
20@T2a = internal constant i32 224
21@T2b = internal addrspace(30) constant i32 224
22
23; CHECK: @T2a
24; CHECK: @T2b
25
26define void @test2(i32** %P1, i32 addrspace(30)** %P2) {
27        store i32* @T2a, i32** %P1
28        store i32 addrspace(30)*  @T2b, i32 addrspace(30)** %P2
29        ret void
30}
31
32; PR8144 - Don't merge globals marked attribute(used)
33; CHECK: @T3A =
34; CHECK: @T3B =
35
36@T3A = internal constant i32 0
37@T3B = internal constant i32 0
38@llvm.used = appending global [2 x i32*] [i32* @T3A, i32* @T3B], section
39"llvm.metadata"
40
41define void @test3() {
42  call void asm sideeffect "T3A, T3B",""() ; invisible use of T3A and T3B
43  ret void
44}
45