xref: /llvm-project/llvm/test/Transforms/GlobalMerge/basic.ll (revision 58d7a6e0e6361871442df956bb88798ce602b09d)
1; RUN: opt -global-merge -global-merge-max-offset=100 -S -o - %s | FileCheck %s
2; RUN: opt -passes='global-merge<max-offset=100>' -S -o - %s | FileCheck %s
3
4target datalayout = "e-p:64:64"
5target triple = "x86_64-unknown-linux-gnu"
6
7; CHECK: @_MergedGlobals = private global <{ i32, i32 }> <{ i32 1, i32 2 }>, align 4
8; CHECK: @_MergedGlobals.1 = private global <{ i32, i32 }> <{ i32 3, i32 4 }>, section "foo", align 4
9
10; CHECK-DAG: @a = internal alias i32, ptr @_MergedGlobals{{$}}
11@a = internal global i32 1
12
13; CHECK-DAG: @b = internal alias i32, getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1)
14@b = internal global i32 2
15
16; CHECK-DAG: @c = internal alias i32, ptr @_MergedGlobals.1{{$}}
17@c = internal global i32 3, section "foo"
18
19; CHECK-DAG: @d = internal alias i32, getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals.1, i32 0, i32 1)
20@d = internal global i32 4, section "foo"
21
22define void @use() {
23  ; CHECK: load i32, ptr @_MergedGlobals,
24  %x = load i32, ptr @a
25  ; CHECK: load i32, ptr getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals, i32 0, i32 1)
26  %y = load i32, ptr @b
27  ; CHECK: load i32, ptr @_MergedGlobals.1
28  %z1 = load i32, ptr @c
29  ; CHECK: load i32, ptr getelementptr inbounds (<{ i32, i32 }>, ptr @_MergedGlobals.1, i32 0, i32 1)
30  %z2 = load i32, ptr @d
31  ret void
32}
33