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 25target 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" 26target 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 33define 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 57declare i32 @calc(...) #1 58 59; Function Attrs: nounwind ssp 60define 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 73define internal i32* @returnFoo() #2 { 74 ret i32* getelementptr inbounds ([5 x i32], [5 x i32]* @foo, i32 0, i32 0) 75} 76 77attributes #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" } 78attributes #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" } 79attributes #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" } 80attributes #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