1 ; RUN: llc %s -O0 -o - | FileCheck -check-prefix=NO-MERGE %s
2 ; RUN: llc %s -O0 -o - -global-merge=false | FileCheck -check-prefix=NO-MERGE %s
3 ; RUN: llc %s -O0 -o - -global-merge=true | FileCheck -check-prefix=NO-MERGE %s
4 ; RUN: llc %s -O1 -o - | FileCheck -check-prefix=MERGE %s
5 ; RUN: llc %s -O1 -o - -global-merge=false | FileCheck -check-prefix=NO-MERGE %s
6 ; RUN: llc %s -O1 -o - -global-merge=true | FileCheck -check-prefix=MERGE %s
8 ; MERGE-NOT: .zerofill __DATA,__bss,_bar,20,2
9 ; MERGE-NOT: .zerofill __DATA,__bss,_baz,20,2
10 ; MERGE-NOT: .zerofill __DATA,__bss,_foo,20,2
11 ; MERGE: .zerofill __DATA,__bss,__MergedGlobals,60,4
12 ; MERGE-NOT: .zerofill __DATA,__bss,_bar,20,2
13 ; MERGE-NOT: .zerofill __DATA,__bss,_baz,20,2
14 ; MERGE-NOT: .zerofill __DATA,__bss,_foo,20,2
16 ; NO-MERGE-NOT: .zerofill __DATA,__bss,__MergedGlobals,60,4
17 ; NO-MERGE: .zerofill __DATA,__bss,_bar,20,2
18 ; NO-MERGE: .zerofill __DATA,__bss,_baz,20,2
19 ; NO-MERGE: .zerofill __DATA,__bss,_foo,20,2
20 ; NO-MERGE-NOT: .zerofill __DATA,__bss,__MergedGlobals,60,4
22 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32:64-S128"
23 target triple = "arm64-apple-ios7.0.0"
25 @bar = internal global [5 x i32] zeroinitializer, align 4
26 @baz = internal global [5 x i32] zeroinitializer, align 4
27 @foo = internal global [5 x i32] zeroinitializer, align 4
29 ; Function Attrs: nounwind ssp
30 define internal void @initialize() #0 {
31 %1 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
32 store i32 %1, i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 0), align 4
33 %2 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
34 store i32 %2, i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 0), align 4
35 %3 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
36 store i32 %3, i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 1), align 4
37 %4 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
38 store i32 %4, i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 1), align 4
39 %5 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
40 store i32 %5, i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 2), align 4
41 %6 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
42 store i32 %6, i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 2), align 4
43 %7 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
44 store i32 %7, i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 3), align 4
45 %8 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
46 store i32 %8, i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 3), align 4
47 %9 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
48 store i32 %9, i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 4), align 4
49 %10 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #2
50 store i32 %10, i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 4), align 4
54 declare i32 @calc(...)
56 ; Function Attrs: nounwind ssp
57 define internal void @calculate() #0 {
58 %1 = load i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 0), align 4
59 %2 = load i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 0), align 4
60 %3 = mul nsw i32 %2, %1
61 store i32 %3, i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 0), align 4
62 %4 = load i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 1), align 4
63 %5 = load i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 1), align 4
64 %6 = mul nsw i32 %5, %4
65 store i32 %6, i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 1), align 4
66 %7 = load i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 2), align 4
67 %8 = load i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 2), align 4
68 %9 = mul nsw i32 %8, %7
69 store i32 %9, i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 2), align 4
70 %10 = load i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 3), align 4
71 %11 = load i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 3), align 4
72 %12 = mul nsw i32 %11, %10
73 store i32 %12, i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 3), align 4
74 %13 = load i32* getelementptr inbounds ([5 x i32]* @bar, i64 0, i64 4), align 4
75 %14 = load i32* getelementptr inbounds ([5 x i32]* @baz, i64 0, i64 4), align 4
76 %15 = mul nsw i32 %14, %13
77 store i32 %15, i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 4), align 4
81 ; Function Attrs: nounwind readnone ssp
82 define internal i32* @returnFoo() #1 {
83 ret i32* getelementptr inbounds ([5 x i32]* @foo, i64 0, i64 0)
86 attributes #0 = { nounwind ssp }
87 attributes #1 = { nounwind readnone ssp }
88 attributes #2 = { nounwind }