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      1 ; RUN: llc %s -O0 -o - | FileCheck -check-prefix=NO-MERGE %s
      2 ; RUN: llc %s -O0 -o - -arm-global-merge=false | FileCheck -check-prefix=NO-MERGE %s
      3 ; RUN: llc %s -O0 -o - -arm-global-merge=true | FileCheck -check-prefix=MERGE %s
      4 ; RUN: llc %s -O1 -o - | FileCheck -check-prefix=NO-MERGE %s
      5 ; RUN: llc %s -O1 -o - -arm-global-merge=false | FileCheck -check-prefix=NO-MERGE %s
      6 ; RUN: llc %s -O1 -o - -arm-global-merge=true | FileCheck -check-prefix=MERGE %s
      7 ; RUN: llc %s -O3 -o - | FileCheck -check-prefix=MERGE %s
      8 ; RUN: llc %s -O3 -o - -arm-global-merge=false | FileCheck -check-prefix=NO-MERGE %s
      9 ; RUN: llc %s -O3 -o - -arm-global-merge=true | FileCheck -check-prefix=MERGE %s
     10 
     11 ; MERGE-NOT: .zerofill __DATA,__bss,_bar,20,2
     12 ; MERGE-NOT: .zerofill __DATA,__bss,_baz,20,2
     13 ; MERGE-NOT: .zerofill __DATA,__bss,_foo,20,2
     14 ; MERGE: .zerofill __DATA,__bss,l__MergedGlobals,60,4
     15 ; MERGE-NOT: .zerofill __DATA,__bss,_bar,20,2
     16 ; MERGE-NOT: .zerofill __DATA,__bss,_baz,20,2
     17 ; MERGE-NOT: .zerofill __DATA,__bss,_foo,20,2
     18 
     19 ; NO-MERGE-NOT: .zerofill __DATA,__bss,l__MergedGlobals,60,4
     20 ; NO-MERGE: .zerofill __DATA,__bss,_bar,20,2
     21 ; NO-MERGE: .zerofill __DATA,__bss,_baz,20,2
     22 ; NO-MERGE: .zerofill __DATA,__bss,_foo,20,2
     23 ; NO-MERGE-NOT: .zerofill __DATA,__bss,l__MergedGlobals,60,4
     24 
     25 target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
     26 target triple = "thumbv7-apple-ios3.0.0"
     27 
     28 @bar = internal global [5 x i32] zeroinitializer, align 4
     29 @baz = internal global [5 x i32] zeroinitializer, align 4
     30 @foo = internal global [5 x i32] zeroinitializer, align 4
     31 
     32 ; Function Attrs: nounwind ssp
     33 define internal void @initialize() #0 {
     34   %1 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     35   store i32 %1, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 0), align 4, !tbaa !1
     36   %2 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     37   store i32 %2, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 0), align 4, !tbaa !1
     38   %3 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     39   store i32 %3, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 1), align 4, !tbaa !1
     40   %4 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     41   store i32 %4, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 1), align 4, !tbaa !1
     42   %5 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     43   store i32 %5, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 2), align 4, !tbaa !1
     44   %6 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     45   store i32 %6, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 2), align 4, !tbaa !1
     46   %7 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     47   store i32 %7, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 3), align 4, !tbaa !1
     48   %8 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     49   store i32 %8, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 3), align 4, !tbaa !1
     50   %9 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     51   store i32 %9, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 4), align 4, !tbaa !1
     52   %10 = tail call i32 bitcast (i32 (...)* @calc to i32 ()*)() #3
     53   store i32 %10, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 4), align 4, !tbaa !1
     54   ret void
     55 }
     56 
     57 declare i32 @calc(...) #1
     58 
     59 ; Function Attrs: nounwind ssp
     60 define internal void @calculate() #0 {
     61   %1 = load <4 x i32>, <4 x i32>* bitcast ([5 x i32]* @bar to <4 x i32>*), align 4
     62   %2 = load <4 x i32>, <4 x i32>* bitcast ([5 x i32]* @baz to <4 x i32>*), align 4
     63   %3 = mul <4 x i32> %2, %1
     64   store <4 x i32> %3, <4 x i32>* bitcast ([5 x i32]* @foo to <4 x i32>*), align 4
     65   %4 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @bar, i32 0, i32 4), align 4, !tbaa !1
     66   %5 = load i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @baz, i32 0, i32 4), align 4, !tbaa !1
     67   %6 = mul nsw i32 %5, %4
     68   store i32 %6, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i32 0, i32 4), align 4, !tbaa !1
     69   ret void
     70 }
     71 
     72 ; Function Attrs: nounwind readnone ssp
     73 define internal i32* @returnFoo() #2 {
     74   ret i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i32 0, i32 0)
     75 }
     76 
     77 attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     78 attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     79 attributes #2 = { nounwind readnone ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
     80 attributes #3 = { nounwind }
     81 
     82 !llvm.ident = !{!0}
     83 
     84 !0 = !{!"LLVM version 3.4 "}
     85 !1 = !{!2, !2, i64 0}
     86 !2 = !{!"int", !3, i64 0}
     87 !3 = !{!"omnipotent char", !4, i64 0}
     88 !4 = !{!"Simple C/C++ TBAA"}
     89