1 ; RUN: llc -mtriple=aarch64-apple-ios -asm-verbose=false \ 2 ; RUN: -aarch64-enable-collect-loh=false -aarch64-enable-global-merge \ 3 ; RUN: -global-merge-group-by-use -global-merge-ignore-single-use %s -o - \ 4 ; RUN: | FileCheck %s 5 6 ; We assume that globals of the same size aren't reordered inside a set. 7 8 @m1 = internal global i32 0, align 4 9 @n1 = internal global i32 0, align 4 10 @o1 = internal global i32 0, align 4 11 12 ; CHECK-LABEL: f1: 13 define void @f1(i32 %a1, i32 %a2) #0 { 14 ; CHECK-NEXT: adrp x8, [[SET:__MergedGlobals]]@PAGE 15 ; CHECK-NEXT: add x8, x8, [[SET]]@PAGEOFF 16 ; CHECK-NEXT: stp w0, w1, [x8] 17 ; CHECK-NEXT: ret 18 store i32 %a1, i32* @m1, align 4 19 store i32 %a2, i32* @n1, align 4 20 ret void 21 } 22 23 @m2 = internal global i32 0, align 4 24 @n2 = internal global i32 0, align 4 25 26 ; CHECK-LABEL: f2: 27 define void @f2(i32 %a1, i32 %a2, i32 %a3) #0 { 28 ; CHECK-NEXT: adrp x8, [[SET]]@PAGE 29 ; CHECK-NEXT: add x8, x8, [[SET]]@PAGEOFF 30 ; CHECK-NEXT: stp w0, w1, [x8] 31 ; CHECK-NEXT: str w2, [x8, #8] 32 ; CHECK-NEXT: ret 33 store i32 %a1, i32* @m1, align 4 34 store i32 %a2, i32* @n1, align 4 35 store i32 %a3, i32* @o1, align 4 36 ret void 37 } 38 39 ; CHECK-LABEL: f3: 40 define void @f3(i32 %a1, i32 %a2) #0 { 41 ; CHECK-NEXT: adrp x8, [[SET]]@PAGE+12 42 ; CHECK-NEXT: add x8, x8, [[SET]]@PAGEOFF+12 43 ; CHECK-NEXT: stp w0, w1, [x8] 44 ; CHECK-NEXT: ret 45 store i32 %a1, i32* @m2, align 4 46 store i32 %a2, i32* @n2, align 4 47 ret void 48 } 49 50 @o2 = internal global i32 0, align 4 51 52 ; CHECK-LABEL: f4: 53 define void @f4(i32 %a1) #0 { 54 ; CHECK-NEXT: adrp x8, _o2@PAGE 55 ; CHECK-NEXT: str w0, [x8, _o2@PAGEOFF] 56 ; CHECK-NEXT: ret 57 store i32 %a1, i32* @o2, align 4 58 ret void 59 } 60 61 ; CHECK-DAG: .zerofill __DATA,__bss,[[SET]],20,2 62 ; CHECK-DAG: .zerofill __DATA,__bss,_o2,4,2 63 64 attributes #0 = { nounwind } 65