1 ; RUN: opt -constmerge %s -S -o - | FileCheck %s
2 ; Test that in one run var3 is merged into var2 and var1 into var4.
3 ; Test that we merge @var5 and @var6 into one with the higher alignment, and
4 ; don't merge var7/var8 into var5/var6.
6 declare void @zed(%struct.foobar*, %struct.foobar*)
8 %struct.foobar = type { i32 }
10 @var1 = internal constant %struct.foobar { i32 2 }
11 @var2 = unnamed_addr constant %struct.foobar { i32 2 }
12 @var3 = internal constant %struct.foobar { i32 2 }
13 @var4 = unnamed_addr constant %struct.foobar { i32 2 }
15 ; CHECK: %struct.foobar = type { i32 }
17 ; CHECK: @var2 = constant %struct.foobar { i32 2 }
18 ; CHECK-NEXT: @var4 = constant %struct.foobar { i32 2 }
20 declare void @helper([16 x i8]*)
21 @var5 = internal constant [16 x i8] c"foo1bar2foo3bar\00", align 16
22 @var6 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00", align 1
23 @var7 = internal constant [16 x i8] c"foo1bar2foo3bar\00"
24 @var8 = private unnamed_addr constant [16 x i8] c"foo1bar2foo3bar\00"
26 ; CHECK-NEXT: @var6 = private constant [16 x i8] c"foo1bar2foo3bar\00", align 16
27 ; CHECK-NEXT: @var8 = private constant [16 x i8] c"foo1bar2foo3bar\00"
31 call void @zed(%struct.foobar* @var1, %struct.foobar* @var2)
32 call void @zed(%struct.foobar* @var3, %struct.foobar* @var4)
33 call void @helper([16 x i8]* @var5)
34 call void @helper([16 x i8]* @var6)
35 call void @helper([16 x i8]* @var7)
36 call void @helper([16 x i8]* @var8)